./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ssh/s3_clnt.blast.04.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_697d19dc-0a91-49d5-9419-a586148be2e6/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_697d19dc-0a91-49d5-9419-a586148be2e6/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_697d19dc-0a91-49d5-9419-a586148be2e6/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_697d19dc-0a91-49d5-9419-a586148be2e6/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ssh/s3_clnt.blast.04.i.cil-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_697d19dc-0a91-49d5-9419-a586148be2e6/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_697d19dc-0a91-49d5-9419-a586148be2e6/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 dbebd8f3a7ff59c46b95280959676a0cf0887b44 ...................................................................................................................................... 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_697d19dc-0a91-49d5-9419-a586148be2e6/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_697d19dc-0a91-49d5-9419-a586148be2e6/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_697d19dc-0a91-49d5-9419-a586148be2e6/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_697d19dc-0a91-49d5-9419-a586148be2e6/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ssh/s3_clnt.blast.04.i.cil-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_697d19dc-0a91-49d5-9419-a586148be2e6/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_697d19dc-0a91-49d5-9419-a586148be2e6/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 dbebd8f3a7ff59c46b95280959676a0cf0887b44 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 20:38:53,563 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:38:53,564 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:38:53,572 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:38:53,572 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:38:53,572 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:38:53,573 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:38:53,575 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:38:53,576 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:38:53,577 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:38:53,577 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:38:53,578 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:38:53,578 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:38:53,579 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:38:53,579 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:38:53,580 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:38:53,581 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:38:53,581 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:38:53,583 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:38:53,584 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:38:53,585 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:38:53,586 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:38:53,587 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:38:53,587 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:38:53,589 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:38:53,589 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:38:53,589 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:38:53,589 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:38:53,590 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:38:53,590 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:38:53,590 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:38:53,591 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:38:53,591 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:38:53,592 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:38:53,592 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:38:53,592 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:38:53,593 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:38:53,593 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:38:53,593 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:38:53,593 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:38:53,594 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:38:53,594 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_697d19dc-0a91-49d5-9419-a586148be2e6/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 20:38:53,604 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:38:53,604 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:38:53,604 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:38:53,605 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:38:53,605 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:38:53,605 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:38:53,605 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 20:38:53,605 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:38:53,605 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:38:53,605 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 20:38:53,605 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 20:38:53,605 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:38:53,605 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 20:38:53,606 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 20:38:53,606 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 20:38:53,606 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:38:53,606 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:38:53,606 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 20:38:53,606 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:38:53,606 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:38:53,607 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:38:53,607 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:38:53,607 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:38:53,607 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:38:53,607 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:38:53,607 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:38:53,607 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:38:53,607 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:38:53,607 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:38:53,608 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:38:53,608 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:38:53,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:38:53,608 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:38:53,608 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:38:53,608 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:38:53,608 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 20:38:53,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 20:38:53,609 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:38:53,609 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:38:53,609 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:38:53,609 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_697d19dc-0a91-49d5-9419-a586148be2e6/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 -> dbebd8f3a7ff59c46b95280959676a0cf0887b44 [2019-12-07 20:38:53,706 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:38:53,714 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:38:53,716 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:38:53,717 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:38:53,717 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:38:53,718 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_697d19dc-0a91-49d5-9419-a586148be2e6/bin/utaipan/../../sv-benchmarks/c/ssh/s3_clnt.blast.04.i.cil-1.c [2019-12-07 20:38:53,755 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_697d19dc-0a91-49d5-9419-a586148be2e6/bin/utaipan/data/6ca6a7afc/db6e55909b26415eacf5f01c85565544/FLAG8f60d727f [2019-12-07 20:38:54,241 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:38:54,242 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_697d19dc-0a91-49d5-9419-a586148be2e6/sv-benchmarks/c/ssh/s3_clnt.blast.04.i.cil-1.c [2019-12-07 20:38:54,254 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_697d19dc-0a91-49d5-9419-a586148be2e6/bin/utaipan/data/6ca6a7afc/db6e55909b26415eacf5f01c85565544/FLAG8f60d727f [2019-12-07 20:38:54,262 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_697d19dc-0a91-49d5-9419-a586148be2e6/bin/utaipan/data/6ca6a7afc/db6e55909b26415eacf5f01c85565544 [2019-12-07 20:38:54,264 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:38:54,265 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:38:54,266 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:38:54,266 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:38:54,268 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:38:54,269 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:38:54" (1/1) ... [2019-12-07 20:38:54,270 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c2b21b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:38:54, skipping insertion in model container [2019-12-07 20:38:54,271 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:38:54" (1/1) ... [2019-12-07 20:38:54,275 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:38:54,309 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:38:54,605 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:38:54,616 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 20:38:54,617 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7d9762d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:38:54, skipping insertion in model container [2019-12-07 20:38:54,617 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:38:54,617 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 20:38:54,619 INFO L168 Benchmark]: Toolchain (without parser) took 353.15 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 935.5 MB in the beginning and 1.1 GB in the end (delta: -153.6 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2019-12-07 20:38:54,620 INFO L168 Benchmark]: CDTParser took 0.13 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 20:38:54,621 INFO L168 Benchmark]: CACSL2BoogieTranslator took 351.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 935.5 MB in the beginning and 1.1 GB in the end (delta: -153.6 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2019-12-07 20:38:54,622 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 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 351.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 935.5 MB in the beginning and 1.1 GB in the end (delta: -153.6 MB). Peak memory consumption was 24.2 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 20:38:55,745 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:38:55,746 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:38:55,754 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:38:55,754 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:38:55,755 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:38:55,756 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:38:55,757 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:38:55,759 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:38:55,759 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:38:55,760 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:38:55,760 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:38:55,761 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:38:55,761 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:38:55,762 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:38:55,763 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:38:55,763 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:38:55,764 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:38:55,765 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:38:55,767 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:38:55,768 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:38:55,769 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:38:55,770 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:38:55,770 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:38:55,772 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:38:55,772 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:38:55,772 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:38:55,773 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:38:55,773 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:38:55,774 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:38:55,774 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:38:55,775 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:38:55,775 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:38:55,776 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:38:55,776 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:38:55,776 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:38:55,777 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:38:55,777 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:38:55,777 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:38:55,778 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:38:55,778 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:38:55,779 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_697d19dc-0a91-49d5-9419-a586148be2e6/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 20:38:55,789 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:38:55,789 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:38:55,789 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:38:55,789 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:38:55,790 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:38:55,790 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:38:55,790 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:38:55,790 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:38:55,790 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:38:55,791 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:38:55,791 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:38:55,791 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:38:55,791 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:38:55,791 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:38:55,791 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:38:55,791 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:38:55,791 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:38:55,792 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 20:38:55,792 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 20:38:55,792 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:38:55,792 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:38:55,792 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:38:55,792 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:38:55,792 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:38:55,792 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 20:38:55,793 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:38:55,793 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:38:55,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:38:55,793 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:38:55,793 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:38:55,793 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:38:55,793 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 20:38:55,793 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 20:38:55,794 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:38:55,794 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:38:55,794 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:38:55,794 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_697d19dc-0a91-49d5-9419-a586148be2e6/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 -> dbebd8f3a7ff59c46b95280959676a0cf0887b44 [2019-12-07 20:38:55,958 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:38:55,968 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:38:55,971 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:38:55,972 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:38:55,972 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:38:55,973 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_697d19dc-0a91-49d5-9419-a586148be2e6/bin/utaipan/../../sv-benchmarks/c/ssh/s3_clnt.blast.04.i.cil-1.c [2019-12-07 20:38:56,020 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_697d19dc-0a91-49d5-9419-a586148be2e6/bin/utaipan/data/339a286c8/2834b58ec2784f70a5c19a99153261d2/FLAGcc31eb1f7 [2019-12-07 20:38:56,464 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:38:56,464 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_697d19dc-0a91-49d5-9419-a586148be2e6/sv-benchmarks/c/ssh/s3_clnt.blast.04.i.cil-1.c [2019-12-07 20:38:56,476 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_697d19dc-0a91-49d5-9419-a586148be2e6/bin/utaipan/data/339a286c8/2834b58ec2784f70a5c19a99153261d2/FLAGcc31eb1f7 [2019-12-07 20:38:56,794 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_697d19dc-0a91-49d5-9419-a586148be2e6/bin/utaipan/data/339a286c8/2834b58ec2784f70a5c19a99153261d2 [2019-12-07 20:38:56,798 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:38:56,799 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:38:56,800 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:38:56,801 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:38:56,805 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:38:56,806 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:38:56" (1/1) ... [2019-12-07 20:38:56,809 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bb79fb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:38:56, skipping insertion in model container [2019-12-07 20:38:56,809 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:38:56" (1/1) ... [2019-12-07 20:38:56,817 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:38:56,852 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:38:57,134 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:38:57,146 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 20:38:57,154 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:38:57,205 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:38:57,211 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 20:38:57,260 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:38:57,276 INFO L208 MainTranslator]: Completed translation [2019-12-07 20:38:57,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:38:57 WrapperNode [2019-12-07 20:38:57,276 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:38:57,277 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 20:38:57,277 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 20:38:57,277 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 20:38:57,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:38:57" (1/1) ... [2019-12-07 20:38:57,301 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:38:57" (1/1) ... [2019-12-07 20:38:57,329 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 20:38:57,330 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 20:38:57,330 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 20:38:57,330 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 20:38:57,337 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:38:57" (1/1) ... [2019-12-07 20:38:57,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:38:57" (1/1) ... [2019-12-07 20:38:57,343 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:38:57" (1/1) ... [2019-12-07 20:38:57,343 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:38:57" (1/1) ... [2019-12-07 20:38:57,367 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:38:57" (1/1) ... [2019-12-07 20:38:57,372 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:38:57" (1/1) ... [2019-12-07 20:38:57,375 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:38:57" (1/1) ... [2019-12-07 20:38:57,379 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 20:38:57,379 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 20:38:57,379 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 20:38:57,379 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 20:38:57,380 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:38:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_697d19dc-0a91-49d5-9419-a586148be2e6/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 20:38:57,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-07 20:38:57,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 20:38:57,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 20:38:57,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-07 20:38:57,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 20:38:57,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 20:38:57,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 20:38:57,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 20:38:57,543 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 20:39:06,327 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2019-12-07 20:39:06,327 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2019-12-07 20:39:06,328 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 20:39:06,328 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 20:39:06,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:39:06 BoogieIcfgContainer [2019-12-07 20:39:06,329 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 20:39:06,330 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 20:39:06,330 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 20:39:06,332 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 20:39:06,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 08:38:56" (1/3) ... [2019-12-07 20:39:06,332 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67ba9010 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:39:06, skipping insertion in model container [2019-12-07 20:39:06,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:38:57" (2/3) ... [2019-12-07 20:39:06,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67ba9010 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:39:06, skipping insertion in model container [2019-12-07 20:39:06,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:39:06" (3/3) ... [2019-12-07 20:39:06,334 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_clnt.blast.04.i.cil-1.c [2019-12-07 20:39:06,341 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 20:39:06,345 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 20:39:06,353 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 20:39:06,369 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 20:39:06,369 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 20:39:06,369 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 20:39:06,369 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 20:39:06,369 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 20:39:06,370 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 20:39:06,370 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 20:39:06,370 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 20:39:06,381 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states. [2019-12-07 20:39:06,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 20:39:06,386 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:39:06,387 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 20:39:06,387 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:39:06,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:39:06,391 INFO L82 PathProgramCache]: Analyzing trace with hash -1457695037, now seen corresponding path program 1 times [2019-12-07 20:39:06,400 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:39:06,400 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1346011751] [2019-12-07 20:39:06,400 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_697d19dc-0a91-49d5-9419-a586148be2e6/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 20:39:06,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:39:06,524 INFO L264 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:39:06,528 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:39:06,554 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 20:39:06,554 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:39:06,566 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 20:39:06,567 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1346011751] [2019-12-07 20:39:06,567 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:39:06,567 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 20:39:06,568 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758682753] [2019-12-07 20:39:06,571 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 20:39:06,572 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:39:06,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 20:39:06,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:39:06,583 INFO L87 Difference]: Start difference. First operand 129 states. Second operand 4 states. [2019-12-07 20:39:06,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:39:06,681 INFO L93 Difference]: Finished difference Result 487 states and 823 transitions. [2019-12-07 20:39:06,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 20:39:06,683 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2019-12-07 20:39:06,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:39:06,697 INFO L225 Difference]: With dead ends: 487 [2019-12-07 20:39:06,697 INFO L226 Difference]: Without dead ends: 314 [2019-12-07 20:39:06,701 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 20:39:06,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2019-12-07 20:39:06,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 314. [2019-12-07 20:39:06,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 314 states. [2019-12-07 20:39:06,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 470 transitions. [2019-12-07 20:39:06,759 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 470 transitions. Word has length 24 [2019-12-07 20:39:06,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:39:06,760 INFO L462 AbstractCegarLoop]: Abstraction has 314 states and 470 transitions. [2019-12-07 20:39:06,760 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 20:39:06,760 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 470 transitions. [2019-12-07 20:39:06,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-12-07 20:39:06,764 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:39:06,764 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 20:39:06,965 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 20:39:06,965 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:39:06,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:39:06,966 INFO L82 PathProgramCache]: Analyzing trace with hash -1854239308, now seen corresponding path program 1 times [2019-12-07 20:39:06,968 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:39:06,968 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [567878394] [2019-12-07 20:39:06,969 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_697d19dc-0a91-49d5-9419-a586148be2e6/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 20:39:07,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:39:07,194 INFO L264 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:39:07,198 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:39:07,208 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 20:39:07,208 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:39:07,218 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 20:39:07,218 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [567878394] [2019-12-07 20:39:07,218 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:39:07,219 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 20:39:07,219 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98291636] [2019-12-07 20:39:07,220 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 20:39:07,220 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:39:07,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 20:39:07,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:39:07,220 INFO L87 Difference]: Start difference. First operand 314 states and 470 transitions. Second operand 4 states. [2019-12-07 20:39:09,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:39:09,289 INFO L93 Difference]: Finished difference Result 721 states and 1085 transitions. [2019-12-07 20:39:09,289 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 20:39:09,289 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2019-12-07 20:39:09,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:39:09,293 INFO L225 Difference]: With dead ends: 721 [2019-12-07 20:39:09,293 INFO L226 Difference]: Without dead ends: 515 [2019-12-07 20:39:09,296 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 20:39:09,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2019-12-07 20:39:09,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 515. [2019-12-07 20:39:09,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 515 states. [2019-12-07 20:39:09,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 768 transitions. [2019-12-07 20:39:09,326 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 768 transitions. Word has length 60 [2019-12-07 20:39:09,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:39:09,326 INFO L462 AbstractCegarLoop]: Abstraction has 515 states and 768 transitions. [2019-12-07 20:39:09,326 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 20:39:09,327 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 768 transitions. [2019-12-07 20:39:09,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-12-07 20:39:09,332 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:39:09,332 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 20:39:09,534 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 20:39:09,535 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:39:09,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:39:09,535 INFO L82 PathProgramCache]: Analyzing trace with hash 465583256, now seen corresponding path program 1 times [2019-12-07 20:39:09,537 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:39:09,538 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [50254089] [2019-12-07 20:39:09,538 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_697d19dc-0a91-49d5-9419-a586148be2e6/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 20:39:09,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:39:09,903 INFO L264 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 20:39:09,910 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:39:09,943 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 20:39:09,944 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 20:39:09,945 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 20:39:09,946 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 20:39:09,946 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 20:39:09,948 INFO L172 IndexEqualityManager]: detected equality via solver [2019-12-07 20:49:26,120 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2019-12-07 20:49:26,121 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [50254089] [2019-12-07 20:49:26,121 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 20:49:26,121 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [139843199] [2019-12-07 20:49:26,122 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_697d19dc-0a91-49d5-9419-a586148be2e6/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 20:49:26,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:49:26,892 INFO L264 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 20:49:26,893 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 20:49:26,893 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1809046256] [2019-12-07 20:49:26,893 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_697d19dc-0a91-49d5-9419-a586148be2e6/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 20:49:27,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:49:27,016 INFO L264 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 20:49:27,018 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:49:27,021 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: ManagedScript already locked by |v_#memory_int_167| [2019-12-07 20:49:27,021 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:49:27,021 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2019-12-07 20:49:27,021 ERROR L206 FreeRefinementEngine]: Strategy WALRUS failed to provide any proof altough trace is infeasible [2019-12-07 20:49:27,021 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 20:49:27,625 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 20:49:27,656 WARN L229 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2019-12-07 20:49:27,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 08:49:27 BoogieIcfgContainer [2019-12-07 20:49:27,656 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 20:49:27,656 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 20:49:27,656 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 20:49:27,656 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 20:49:27,657 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:39:06" (3/4) ... [2019-12-07 20:49:27,659 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 20:49:27,659 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 20:49:27,660 INFO L168 Benchmark]: Toolchain (without parser) took 630861.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 189.3 MB). Free memory was 947.0 MB in the beginning and 790.4 MB in the end (delta: 156.6 MB). Peak memory consumption was 345.8 MB. Max. memory is 11.5 GB. [2019-12-07 20:49:27,661 INFO L168 Benchmark]: CDTParser took 0.17 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 20:49:27,661 INFO L168 Benchmark]: CACSL2BoogieTranslator took 476.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -131.3 MB). Peak memory consumption was 28.4 MB. Max. memory is 11.5 GB. [2019-12-07 20:49:27,661 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.84 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 20:49:27,662 INFO L168 Benchmark]: Boogie Preprocessor took 48.95 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 20:49:27,662 INFO L168 Benchmark]: RCFGBuilder took 8950.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 932.4 MB in the end (delta: 132.5 MB). Peak memory consumption was 132.5 MB. Max. memory is 11.5 GB. [2019-12-07 20:49:27,662 INFO L168 Benchmark]: TraceAbstraction took 621326.27 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 71.8 MB). Free memory was 932.4 MB in the beginning and 790.4 MB in the end (delta: 142.0 MB). Peak memory consumption was 213.8 MB. Max. memory is 11.5 GB. [2019-12-07 20:49:27,663 INFO L168 Benchmark]: Witness Printer took 2.82 ms. Allocated memory is still 1.2 GB. Free memory is still 790.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:49:27,665 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 476.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -131.3 MB). Peak memory consumption was 28.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.84 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 48.95 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. * RCFGBuilder took 8950.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 932.4 MB in the end (delta: 132.5 MB). Peak memory consumption was 132.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 621326.27 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 71.8 MB). Free memory was 932.4 MB in the beginning and 790.4 MB in the end (delta: 142.0 MB). Peak memory consumption was 213.8 MB. Max. memory is 11.5 GB. * Witness Printer took 2.82 ms. Allocated memory is still 1.2 GB. Free memory is still 790.4 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 [L1318] COND FALSE !(ret <= 0) [L1323] s->hit [L1323] COND TRUE s->hit [L1324] s->state = 4560 [L1328] 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 [L1332] EXPR s->s3 [L1332] EXPR (s->s3)->tmp.new_cipher [L1332] EXPR ((s->s3)->tmp.new_cipher)->algorithms [L1332] COND FALSE !(((s->s3)->tmp.new_cipher)->algorithms & 256UL) [L1335] ret = __VERIFIER_nondet_int() [L1336] COND TRUE blastFlag == 2 [L1337] 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: 621.2s, OverallIterations: 3, TraceHistogramMax: 5, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 500 SDtfs, 807 SDslu, 678 SDs, 0 SdLazy, 58 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=515occurred 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...