./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/openssl/s3_clnt.blast.01.i.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cba2f66-13cd-4c0a-bd55-a3bd005e59aa/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cba2f66-13cd-4c0a-bd55-a3bd005e59aa/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cba2f66-13cd-4c0a-bd55-a3bd005e59aa/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cba2f66-13cd-4c0a-bd55-a3bd005e59aa/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl/s3_clnt.blast.01.i.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cba2f66-13cd-4c0a-bd55-a3bd005e59aa/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cba2f66-13cd-4c0a-bd55-a3bd005e59aa/bin/utaipan-aC7eJsxGYH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a94ea84ce989fbbbaf2c8eaba75d5160290d15621b4e8c8582440d0d85685d8d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 04:59:58,255 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:59:58,257 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:59:58,317 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:59:58,318 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:59:58,322 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:59:58,325 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:59:58,329 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:59:58,332 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:59:58,339 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:59:58,340 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:59:58,342 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:59:58,343 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:59:58,346 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:59:58,348 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:59:58,354 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:59:58,356 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:59:58,357 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:59:58,359 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:59:58,368 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:59:58,370 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:59:58,371 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:59:58,375 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:59:58,376 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:59:58,380 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:59:58,380 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:59:58,380 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:59:58,383 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:59:58,383 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:59:58,384 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:59:58,385 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:59:58,386 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:59:58,388 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:59:58,389 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:59:58,391 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:59:58,391 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:59:58,392 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:59:58,392 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:59:58,392 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:59:58,393 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:59:58,394 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:59:58,395 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cba2f66-13cd-4c0a-bd55-a3bd005e59aa/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-03 04:59:58,443 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:59:58,444 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:59:58,445 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:59:58,445 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:59:58,446 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:59:58,446 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:59:58,446 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 04:59:58,446 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:59:58,446 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:59:58,447 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 04:59:58,448 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 04:59:58,448 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:59:58,448 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 04:59:58,448 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 04:59:58,448 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 04:59:58,449 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:59:58,449 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 04:59:58,450 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 04:59:58,450 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 04:59:58,450 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:59:58,450 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 04:59:58,450 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:59:58,451 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 04:59:58,451 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:59:58,451 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 04:59:58,451 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 04:59:58,451 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:59:58,452 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 04:59:58,452 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:59:58,453 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:59:58,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:59:58,454 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:59:58,454 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:59:58,455 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 04:59:58,455 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 04:59:58,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 04:59:58,455 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 04:59:58,455 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:59:58,456 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:59:58,456 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cba2f66-13cd-4c0a-bd55-a3bd005e59aa/bin/utaipan-aC7eJsxGYH/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cba2f66-13cd-4c0a-bd55-a3bd005e59aa/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a94ea84ce989fbbbaf2c8eaba75d5160290d15621b4e8c8582440d0d85685d8d [2021-11-03 04:59:58,733 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:59:58,771 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:59:58,774 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:59:58,775 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:59:58,776 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:59:58,777 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cba2f66-13cd-4c0a-bd55-a3bd005e59aa/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/openssl/s3_clnt.blast.01.i.cil-1.c [2021-11-03 04:59:58,842 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cba2f66-13cd-4c0a-bd55-a3bd005e59aa/bin/utaipan-aC7eJsxGYH/data/f1ee7320f/321049e01e214dd6bd7f17cfcee9a98e/FLAG7c85a9dd2 [2021-11-03 04:59:59,446 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:59:59,451 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cba2f66-13cd-4c0a-bd55-a3bd005e59aa/sv-benchmarks/c/openssl/s3_clnt.blast.01.i.cil-1.c [2021-11-03 04:59:59,488 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cba2f66-13cd-4c0a-bd55-a3bd005e59aa/bin/utaipan-aC7eJsxGYH/data/f1ee7320f/321049e01e214dd6bd7f17cfcee9a98e/FLAG7c85a9dd2 [2021-11-03 04:59:59,804 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cba2f66-13cd-4c0a-bd55-a3bd005e59aa/bin/utaipan-aC7eJsxGYH/data/f1ee7320f/321049e01e214dd6bd7f17cfcee9a98e [2021-11-03 04:59:59,808 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:59:59,811 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:59:59,814 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:59:59,815 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:59:59,819 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:59:59,819 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:59:59" (1/1) ... [2021-11-03 04:59:59,821 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fc1abb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:59:59, skipping insertion in model container [2021-11-03 04:59:59,821 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:59:59" (1/1) ... [2021-11-03 04:59:59,828 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:59:59,918 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:00:00,316 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cba2f66-13cd-4c0a-bd55-a3bd005e59aa/sv-benchmarks/c/openssl/s3_clnt.blast.01.i.cil-1.c[65523,65536] [2021-11-03 05:00:00,331 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:00:00,356 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-03 05:00:00,356 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3ab56e90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:00:00, skipping insertion in model container [2021-11-03 05:00:00,356 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 05:00:00,357 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-03 05:00:00,359 INFO L168 Benchmark]: Toolchain (without parser) took 547.07 ms. Allocated memory was 90.2 MB in the beginning and 119.5 MB in the end (delta: 29.4 MB). Free memory was 51.0 MB in the beginning and 86.2 MB in the end (delta: -35.2 MB). Peak memory consumption was 6.7 MB. Max. memory is 16.1 GB. [2021-11-03 05:00:00,360 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 90.2 MB. Free memory was 69.8 MB in the beginning and 69.8 MB in the end (delta: 51.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-03 05:00:00,361 INFO L168 Benchmark]: CACSL2BoogieTranslator took 542.41 ms. Allocated memory was 90.2 MB in the beginning and 119.5 MB in the end (delta: 29.4 MB). Free memory was 50.8 MB in the beginning and 86.2 MB in the end (delta: -35.4 MB). Peak memory consumption was 4.6 MB. Max. memory is 16.1 GB. [2021-11-03 05:00:00,363 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 90.2 MB. Free memory was 69.8 MB in the beginning and 69.8 MB in the end (delta: 51.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 542.41 ms. Allocated memory was 90.2 MB in the beginning and 119.5 MB in the end (delta: 29.4 MB). Free memory was 50.8 MB in the beginning and 86.2 MB in the end (delta: -35.4 MB). Peak memory consumption was 4.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1050]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cba2f66-13cd-4c0a-bd55-a3bd005e59aa/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cba2f66-13cd-4c0a-bd55-a3bd005e59aa/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cba2f66-13cd-4c0a-bd55-a3bd005e59aa/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cba2f66-13cd-4c0a-bd55-a3bd005e59aa/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl/s3_clnt.blast.01.i.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cba2f66-13cd-4c0a-bd55-a3bd005e59aa/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cba2f66-13cd-4c0a-bd55-a3bd005e59aa/bin/utaipan-aC7eJsxGYH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a94ea84ce989fbbbaf2c8eaba75d5160290d15621b4e8c8582440d0d85685d8d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 05:00:02,652 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 05:00:02,655 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 05:00:02,703 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 05:00:02,704 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 05:00:02,705 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 05:00:02,707 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 05:00:02,710 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 05:00:02,712 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 05:00:02,713 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 05:00:02,714 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 05:00:02,715 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 05:00:02,716 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 05:00:02,717 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 05:00:02,719 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 05:00:02,720 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 05:00:02,721 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 05:00:02,722 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 05:00:02,724 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 05:00:02,727 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 05:00:02,729 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 05:00:02,736 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 05:00:02,737 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 05:00:02,738 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 05:00:02,742 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 05:00:02,748 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 05:00:02,748 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 05:00:02,750 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 05:00:02,753 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 05:00:02,755 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 05:00:02,755 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 05:00:02,756 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 05:00:02,757 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 05:00:02,759 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 05:00:02,760 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 05:00:02,761 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 05:00:02,762 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 05:00:02,762 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 05:00:02,762 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 05:00:02,763 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 05:00:02,765 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 05:00:02,768 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cba2f66-13cd-4c0a-bd55-a3bd005e59aa/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-03 05:00:02,813 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 05:00:02,814 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 05:00:02,815 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 05:00:02,816 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 05:00:02,816 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 05:00:02,816 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 05:00:02,816 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 05:00:02,816 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 05:00:02,817 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 05:00:02,818 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 05:00:02,819 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 05:00:02,819 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 05:00:02,820 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 05:00:02,820 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 05:00:02,820 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 05:00:02,820 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 05:00:02,821 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 05:00:02,821 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 05:00:02,821 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 05:00:02,821 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 05:00:02,822 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 05:00:02,822 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 05:00:02,822 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 05:00:02,822 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 05:00:02,822 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 05:00:02,823 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 05:00:02,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:00:02,823 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 05:00:02,823 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 05:00:02,824 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 05:00:02,824 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 05:00:02,824 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 05:00:02,824 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 05:00:02,825 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 05:00:02,825 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 05:00:02,825 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cba2f66-13cd-4c0a-bd55-a3bd005e59aa/bin/utaipan-aC7eJsxGYH/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cba2f66-13cd-4c0a-bd55-a3bd005e59aa/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a94ea84ce989fbbbaf2c8eaba75d5160290d15621b4e8c8582440d0d85685d8d [2021-11-03 05:00:03,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 05:00:03,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 05:00:03,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 05:00:03,209 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 05:00:03,210 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 05:00:03,211 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cba2f66-13cd-4c0a-bd55-a3bd005e59aa/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/openssl/s3_clnt.blast.01.i.cil-1.c [2021-11-03 05:00:03,290 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cba2f66-13cd-4c0a-bd55-a3bd005e59aa/bin/utaipan-aC7eJsxGYH/data/db953d755/e6dde6c83fc6459990f90cf67d4111db/FLAGb0fbf1e22 [2021-11-03 05:00:03,993 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 05:00:03,997 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cba2f66-13cd-4c0a-bd55-a3bd005e59aa/sv-benchmarks/c/openssl/s3_clnt.blast.01.i.cil-1.c [2021-11-03 05:00:04,024 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cba2f66-13cd-4c0a-bd55-a3bd005e59aa/bin/utaipan-aC7eJsxGYH/data/db953d755/e6dde6c83fc6459990f90cf67d4111db/FLAGb0fbf1e22 [2021-11-03 05:00:04,241 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cba2f66-13cd-4c0a-bd55-a3bd005e59aa/bin/utaipan-aC7eJsxGYH/data/db953d755/e6dde6c83fc6459990f90cf67d4111db [2021-11-03 05:00:04,244 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 05:00:04,246 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 05:00:04,247 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 05:00:04,247 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 05:00:04,251 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 05:00:04,252 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:00:04" (1/1) ... [2021-11-03 05:00:04,254 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45826f33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:00:04, skipping insertion in model container [2021-11-03 05:00:04,254 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:00:04" (1/1) ... [2021-11-03 05:00:04,266 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 05:00:04,347 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:00:04,845 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cba2f66-13cd-4c0a-bd55-a3bd005e59aa/sv-benchmarks/c/openssl/s3_clnt.blast.01.i.cil-1.c[65523,65536] [2021-11-03 05:00:04,855 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:00:04,887 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-03 05:00:04,906 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:00:05,043 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cba2f66-13cd-4c0a-bd55-a3bd005e59aa/sv-benchmarks/c/openssl/s3_clnt.blast.01.i.cil-1.c[65523,65536] [2021-11-03 05:00:05,046 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:00:05,061 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 05:00:05,212 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cba2f66-13cd-4c0a-bd55-a3bd005e59aa/sv-benchmarks/c/openssl/s3_clnt.blast.01.i.cil-1.c[65523,65536] [2021-11-03 05:00:05,214 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:00:05,254 INFO L208 MainTranslator]: Completed translation [2021-11-03 05:00:05,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:00:05 WrapperNode [2021-11-03 05:00:05,254 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 05:00:05,256 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 05:00:05,256 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 05:00:05,256 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 05:00:05,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:00:05" (1/1) ... [2021-11-03 05:00:05,314 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:00:05" (1/1) ... [2021-11-03 05:00:05,370 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 05:00:05,371 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 05:00:05,371 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 05:00:05,371 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 05:00:05,386 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:00:05" (1/1) ... [2021-11-03 05:00:05,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:00:05" (1/1) ... [2021-11-03 05:00:05,407 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:00:05" (1/1) ... [2021-11-03 05:00:05,408 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:00:05" (1/1) ... [2021-11-03 05:00:05,471 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:00:05" (1/1) ... [2021-11-03 05:00:05,483 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:00:05" (1/1) ... [2021-11-03 05:00:05,491 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:00:05" (1/1) ... [2021-11-03 05:00:05,501 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 05:00:05,522 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 05:00:05,522 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 05:00:05,522 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 05:00:05,523 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:00:05" (1/1) ... [2021-11-03 05:00:05,529 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:00:05,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cba2f66-13cd-4c0a-bd55-a3bd005e59aa/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:00:05,563 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cba2f66-13cd-4c0a-bd55-a3bd005e59aa/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 05:00:05,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cba2f66-13cd-4c0a-bd55-a3bd005e59aa/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 05:00:05,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-03 05:00:05,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-03 05:00:05,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 05:00:05,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-03 05:00:05,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-03 05:00:05,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-03 05:00:05,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 05:00:05,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 05:00:05,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-03 05:00:05,902 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-03 05:00:14,355 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2021-11-03 05:00:14,355 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2021-11-03 05:00:14,363 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 05:00:14,363 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-11-03 05:00:14,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:00:14 BoogieIcfgContainer [2021-11-03 05:00:14,366 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 05:00:14,368 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 05:00:14,368 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 05:00:14,371 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 05:00:14,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 05:00:04" (1/3) ... [2021-11-03 05:00:14,372 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bd4cc1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:00:14, skipping insertion in model container [2021-11-03 05:00:14,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:00:05" (2/3) ... [2021-11-03 05:00:14,372 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bd4cc1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:00:14, skipping insertion in model container [2021-11-03 05:00:14,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:00:14" (3/3) ... [2021-11-03 05:00:14,374 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt.blast.01.i.cil-1.c [2021-11-03 05:00:14,379 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 05:00:14,380 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-03 05:00:14,428 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 05:00:14,434 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-03 05:00:14,434 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-03 05:00:14,453 INFO L276 IsEmpty]: Start isEmpty. Operand has 131 states, 129 states have (on average 1.689922480620155) internal successors, (218), 130 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:00:14,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-03 05:00:14,460 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:00:14,460 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:00:14,461 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:00:14,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:00:14,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1457703966, now seen corresponding path program 1 times [2021-11-03 05:00:14,481 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:00:14,481 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [499247018] [2021-11-03 05:00:14,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:00:14,482 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:00:14,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cba2f66-13cd-4c0a-bd55-a3bd005e59aa/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:00:14,485 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cba2f66-13cd-4c0a-bd55-a3bd005e59aa/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:00:14,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cba2f66-13cd-4c0a-bd55-a3bd005e59aa/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-03 05:00:14,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:00:14,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 05:00:14,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:00:15,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:00:15,043 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:00:15,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:00:15,235 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:00:15,235 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [499247018] [2021-11-03 05:00:15,236 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [499247018] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:00:15,236 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:00:15,236 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 05:00:15,238 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416533472] [2021-11-03 05:00:15,242 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:00:15,243 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:00:15,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:00:15,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:00:15,259 INFO L87 Difference]: Start difference. First operand has 131 states, 129 states have (on average 1.689922480620155) internal successors, (218), 130 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:00:15,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:00:15,462 INFO L93 Difference]: Finished difference Result 496 states and 829 transitions. [2021-11-03 05:00:15,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:00:15,464 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-03 05:00:15,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:00:15,489 INFO L225 Difference]: With dead ends: 496 [2021-11-03 05:00:15,490 INFO L226 Difference]: Without dead ends: 321 [2021-11-03 05:00:15,494 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:00:15,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2021-11-03 05:00:15,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 321. [2021-11-03 05:00:15,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 320 states have (on average 1.49375) internal successors, (478), 320 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:00:15,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 478 transitions. [2021-11-03 05:00:15,590 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 478 transitions. Word has length 24 [2021-11-03 05:00:15,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:00:15,590 INFO L470 AbstractCegarLoop]: Abstraction has 321 states and 478 transitions. [2021-11-03 05:00:15,591 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:00:15,591 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 478 transitions. [2021-11-03 05:00:15,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-03 05:00:15,595 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:00:15,597 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2021-11-03 05:00:15,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cba2f66-13cd-4c0a-bd55-a3bd005e59aa/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-03 05:00:15,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cba2f66-13cd-4c0a-bd55-a3bd005e59aa/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:00:15,810 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:00:15,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:00:15,811 INFO L85 PathProgramCache]: Analyzing trace with hash 908084980, now seen corresponding path program 1 times [2021-11-03 05:00:15,813 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:00:15,813 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1437411768] [2021-11-03 05:00:15,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:00:15,814 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:00:15,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cba2f66-13cd-4c0a-bd55-a3bd005e59aa/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:00:15,815 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cba2f66-13cd-4c0a-bd55-a3bd005e59aa/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:00:15,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cba2f66-13cd-4c0a-bd55-a3bd005e59aa/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-03 05:00:16,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:00:16,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 05:00:16,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:00:16,473 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:00:16,474 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:00:16,807 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:00:16,807 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:00:16,808 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1437411768] [2021-11-03 05:00:16,808 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1437411768] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:00:16,808 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:00:16,808 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 05:00:16,808 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797578977] [2021-11-03 05:00:16,810 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:00:16,810 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:00:16,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:00:16,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:00:16,811 INFO L87 Difference]: Start difference. First operand 321 states and 478 transitions. Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:00:18,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:00:18,999 INFO L93 Difference]: Finished difference Result 836 states and 1249 transitions. [2021-11-03 05:00:19,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:00:19,000 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2021-11-03 05:00:19,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:00:19,004 INFO L225 Difference]: With dead ends: 836 [2021-11-03 05:00:19,005 INFO L226 Difference]: Without dead ends: 625 [2021-11-03 05:00:19,007 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:00:19,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 625 states. [2021-11-03 05:00:19,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 525. [2021-11-03 05:00:19,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 524 states have (on average 1.4866412213740459) internal successors, (779), 524 states have internal predecessors, (779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:00:19,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 779 transitions. [2021-11-03 05:00:19,033 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 779 transitions. Word has length 65 [2021-11-03 05:00:19,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:00:19,033 INFO L470 AbstractCegarLoop]: Abstraction has 525 states and 779 transitions. [2021-11-03 05:00:19,034 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:00:19,034 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 779 transitions. [2021-11-03 05:00:19,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-03 05:00:19,041 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:00:19,041 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 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] [2021-11-03 05:00:19,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cba2f66-13cd-4c0a-bd55-a3bd005e59aa/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-03 05:00:19,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cba2f66-13cd-4c0a-bd55-a3bd005e59aa/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:00:19,256 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:00:19,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:00:19,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1159650437, now seen corresponding path program 1 times [2021-11-03 05:00:19,258 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:00:19,258 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1734460015] [2021-11-03 05:00:19,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:00:19,259 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:00:19,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cba2f66-13cd-4c0a-bd55-a3bd005e59aa/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:00:19,260 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cba2f66-13cd-4c0a-bd55-a3bd005e59aa/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:00:19,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cba2f66-13cd-4c0a-bd55-a3bd005e59aa/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-03 05:00:19,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:00:19,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 05:00:19,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:00:20,101 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-03 05:00:20,101 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:00:20,522 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-03 05:00:20,523 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:00:20,523 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1734460015] [2021-11-03 05:00:20,523 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1734460015] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:00:20,523 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:00:20,523 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 05:00:20,524 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369990718] [2021-11-03 05:00:20,524 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:00:20,525 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:00:20,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:00:20,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:00:20,526 INFO L87 Difference]: Start difference. First operand 525 states and 779 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:00:22,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:00:22,715 INFO L93 Difference]: Finished difference Result 1248 states and 1856 transitions. [2021-11-03 05:00:22,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:00:22,716 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2021-11-03 05:00:22,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:00:22,721 INFO L225 Difference]: With dead ends: 1248 [2021-11-03 05:00:22,721 INFO L226 Difference]: Without dead ends: 833 [2021-11-03 05:00:22,722 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:00:22,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2021-11-03 05:00:22,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 732. [2021-11-03 05:00:22,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 732 states, 731 states have (on average 1.481532147742818) internal successors, (1083), 731 states have internal predecessors, (1083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:00:22,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 1083 transitions. [2021-11-03 05:00:22,752 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 1083 transitions. Word has length 104 [2021-11-03 05:00:22,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:00:22,753 INFO L470 AbstractCegarLoop]: Abstraction has 732 states and 1083 transitions. [2021-11-03 05:00:22,753 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:00:22,754 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 1083 transitions. [2021-11-03 05:00:22,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-03 05:00:22,759 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:00:22,759 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1] [2021-11-03 05:00:22,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cba2f66-13cd-4c0a-bd55-a3bd005e59aa/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-03 05:00:22,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cba2f66-13cd-4c0a-bd55-a3bd005e59aa/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:00:22,974 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:00:22,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:00:22,975 INFO L85 PathProgramCache]: Analyzing trace with hash 876212838, now seen corresponding path program 1 times [2021-11-03 05:00:22,976 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:00:22,976 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1439491033] [2021-11-03 05:00:22,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:00:22,977 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:00:22,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cba2f66-13cd-4c0a-bd55-a3bd005e59aa/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:00:22,980 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cba2f66-13cd-4c0a-bd55-a3bd005e59aa/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:00:22,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cba2f66-13cd-4c0a-bd55-a3bd005e59aa/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-03 05:00:23,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:00:23,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:00:23,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:00:45,141 WARN L207 SmtUtils]: Spent 21.10 s on a formula simplification that was a NOOP. DAG size: 19 [2021-11-03 05:00:45,142 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:00:45,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 4938 treesize of output 4458 [2021-11-03 05:01:25,442 WARN L207 SmtUtils]: Spent 40.25 s on a formula simplification that was a NOOP. DAG size: 23 [2021-11-03 05:01:25,443 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:01:25,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 4439 treesize of output 4067 [2021-11-03 05:12:51,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cba2f66-13cd-4c0a-bd55-a3bd005e59aa/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101 [2021-11-03 05:12:51,380 WARN L228 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cba2f66-13cd-4c0a-bd55-a3bd005e59aa/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2021-11-03 05:12:51,381 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:12:51,381 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1439491033] [2021-11-03 05:12:51,382 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cba2f66-13cd-4c0a-bd55-a3bd005e59aa/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") [2021-11-03 05:12:51,382 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1329700144] [2021-11-03 05:12:51,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:12:51,382 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-03 05:12:51,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cba2f66-13cd-4c0a-bd55-a3bd005e59aa/bin/utaipan-aC7eJsxGYH/cvc4 [2021-11-03 05:12:51,389 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cba2f66-13cd-4c0a-bd55-a3bd005e59aa/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-03 05:12:51,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cba2f66-13cd-4c0a-bd55-a3bd005e59aa/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process