./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/openssl/s3_clnt.blast.03.i.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062b8b6b-abc4-425a-8ad0-2d7d2e8e8cd1/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062b8b6b-abc4-425a-8ad0-2d7d2e8e8cd1/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062b8b6b-abc4-425a-8ad0-2d7d2e8e8cd1/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062b8b6b-abc4-425a-8ad0-2d7d2e8e8cd1/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl/s3_clnt.blast.03.i.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062b8b6b-abc4-425a-8ad0-2d7d2e8e8cd1/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062b8b6b-abc4-425a-8ad0-2d7d2e8e8cd1/bin/utaipan-UbGMyvGFUs --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 da5766c1ca12341f0994689f6bf08ae5600fa9a989c5b43eb2692fd9555b0295 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:54:02,074 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:54:02,075 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:54:02,110 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:54:02,110 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:54:02,112 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:54:02,114 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:54:02,117 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:54:02,120 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:54:02,121 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:54:02,123 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:54:02,124 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:54:02,125 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:54:02,127 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:54:02,134 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:54:02,136 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:54:02,138 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:54:02,143 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:54:02,146 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:54:02,150 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:54:02,161 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:54:02,163 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:54:02,164 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:54:02,173 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:54:02,177 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:54:02,178 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:54:02,178 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:54:02,179 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:54:02,183 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:54:02,184 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:54:02,186 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:54:02,187 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:54:02,192 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:54:02,193 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:54:02,194 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:54:02,196 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:54:02,198 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:54:02,199 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:54:02,199 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:54:02,201 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:54:02,201 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:54:02,202 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062b8b6b-abc4-425a-8ad0-2d7d2e8e8cd1/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-19 14:54:02,237 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:54:02,238 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:54:02,239 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:54:02,239 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:54:02,239 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:54:02,240 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:54:02,240 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:54:02,240 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 14:54:02,240 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:54:02,241 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:54:02,241 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 14:54:02,241 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 14:54:02,241 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:54:02,242 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 14:54:02,242 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 14:54:02,242 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 14:54:02,243 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:54:02,243 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 14:54:02,244 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:54:02,244 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 14:54:02,244 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:54:02,244 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:54:02,245 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:54:02,245 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:54:02,245 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:54:02,245 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 14:54:02,246 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:54:02,246 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:54:02,246 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:54:02,246 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:54:02,247 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:54:02,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:54:02,247 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:54:02,248 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:54:02,248 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:54:02,248 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 14:54:02,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 14:54:02,249 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:54:02,249 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:54:02,249 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:54:02,249 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_062b8b6b-abc4-425a-8ad0-2d7d2e8e8cd1/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062b8b6b-abc4-425a-8ad0-2d7d2e8e8cd1/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da5766c1ca12341f0994689f6bf08ae5600fa9a989c5b43eb2692fd9555b0295 [2021-11-19 14:54:02,534 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:54:02,557 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:54:02,560 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:54:02,562 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:54:02,563 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:54:02,564 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062b8b6b-abc4-425a-8ad0-2d7d2e8e8cd1/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/openssl/s3_clnt.blast.03.i.cil-2.c [2021-11-19 14:54:02,636 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062b8b6b-abc4-425a-8ad0-2d7d2e8e8cd1/bin/utaipan-UbGMyvGFUs/data/6d03959b5/8f0ba5205b194cab9fa98c52f36839fc/FLAGf206aa923 [2021-11-19 14:54:03,299 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:54:03,299 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062b8b6b-abc4-425a-8ad0-2d7d2e8e8cd1/sv-benchmarks/c/openssl/s3_clnt.blast.03.i.cil-2.c [2021-11-19 14:54:03,333 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062b8b6b-abc4-425a-8ad0-2d7d2e8e8cd1/bin/utaipan-UbGMyvGFUs/data/6d03959b5/8f0ba5205b194cab9fa98c52f36839fc/FLAGf206aa923 [2021-11-19 14:54:03,488 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062b8b6b-abc4-425a-8ad0-2d7d2e8e8cd1/bin/utaipan-UbGMyvGFUs/data/6d03959b5/8f0ba5205b194cab9fa98c52f36839fc [2021-11-19 14:54:03,491 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:54:03,493 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:54:03,496 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:54:03,497 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:54:03,500 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:54:03,502 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:54:03" (1/1) ... [2021-11-19 14:54:03,504 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57ec76cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:03, skipping insertion in model container [2021-11-19 14:54:03,505 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:54:03" (1/1) ... [2021-11-19 14:54:03,514 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:54:03,577 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:54:04,092 WARN L230 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_062b8b6b-abc4-425a-8ad0-2d7d2e8e8cd1/sv-benchmarks/c/openssl/s3_clnt.blast.03.i.cil-2.c[65397,65410] [2021-11-19 14:54:04,102 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:54:04,126 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) [2021-11-19 14:54:04,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4e3de39e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:04, skipping insertion in model container [2021-11-19 14:54:04,127 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:54:04,128 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 14:54:04,130 INFO L158 Benchmark]: Toolchain (without parser) took 635.84ms. Allocated memory was 90.2MB in the beginning and 117.4MB in the end (delta: 27.3MB). Free memory was 50.6MB in the beginning and 82.6MB in the end (delta: -32.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-19 14:54:04,131 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 90.2MB. Free memory is still 69.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:54:04,133 INFO L158 Benchmark]: CACSL2BoogieTranslator took 631.53ms. Allocated memory was 90.2MB in the beginning and 117.4MB in the end (delta: 27.3MB). Free memory was 50.4MB in the beginning and 82.6MB in the end (delta: -32.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-19 14:54:04,137 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 90.2MB. Free memory is still 69.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 631.53ms. Allocated memory was 90.2MB in the beginning and 117.4MB in the end (delta: 27.3MB). Free memory was 50.4MB in the beginning and 82.6MB in the end (delta: -32.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * 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_062b8b6b-abc4-425a-8ad0-2d7d2e8e8cd1/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062b8b6b-abc4-425a-8ad0-2d7d2e8e8cd1/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062b8b6b-abc4-425a-8ad0-2d7d2e8e8cd1/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062b8b6b-abc4-425a-8ad0-2d7d2e8e8cd1/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl/s3_clnt.blast.03.i.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062b8b6b-abc4-425a-8ad0-2d7d2e8e8cd1/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062b8b6b-abc4-425a-8ad0-2d7d2e8e8cd1/bin/utaipan-UbGMyvGFUs --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 da5766c1ca12341f0994689f6bf08ae5600fa9a989c5b43eb2692fd9555b0295 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:54:06,584 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:54:06,587 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:54:06,641 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:54:06,642 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:54:06,647 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:54:06,649 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:54:06,658 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:54:06,662 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:54:06,671 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:54:06,672 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:54:06,675 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:54:06,675 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:54:06,679 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:54:06,683 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:54:06,688 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:54:06,690 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:54:06,691 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:54:06,694 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:54:06,703 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:54:06,705 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:54:06,707 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:54:06,710 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:54:06,712 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:54:06,723 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:54:06,723 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:54:06,724 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:54:06,727 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:54:06,727 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:54:06,729 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:54:06,729 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:54:06,730 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:54:06,733 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:54:06,734 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:54:06,736 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:54:06,736 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:54:06,737 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:54:06,737 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:54:06,738 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:54:06,740 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:54:06,740 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:54:06,746 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062b8b6b-abc4-425a-8ad0-2d7d2e8e8cd1/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-19 14:54:06,789 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:54:06,790 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:54:06,791 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:54:06,791 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:54:06,792 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:54:06,792 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:54:06,792 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:54:06,792 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:54:06,793 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:54:06,793 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:54:06,795 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:54:06,796 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 14:54:06,796 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 14:54:06,796 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:54:06,796 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:54:06,797 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:54:06,797 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:54:06,797 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:54:06,797 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 14:54:06,798 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 14:54:06,798 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 14:54:06,798 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:54:06,798 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:54:06,798 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:54:06,799 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:54:06,799 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 14:54:06,799 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:54:06,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:54:06,800 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:54:06,800 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:54:06,800 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:54:06,800 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 14:54:06,801 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 14:54:06,801 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:54:06,802 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:54:06,802 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:54:06,802 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_062b8b6b-abc4-425a-8ad0-2d7d2e8e8cd1/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062b8b6b-abc4-425a-8ad0-2d7d2e8e8cd1/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da5766c1ca12341f0994689f6bf08ae5600fa9a989c5b43eb2692fd9555b0295 [2021-11-19 14:54:07,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:54:07,244 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:54:07,247 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:54:07,249 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:54:07,251 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:54:07,253 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062b8b6b-abc4-425a-8ad0-2d7d2e8e8cd1/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/openssl/s3_clnt.blast.03.i.cil-2.c [2021-11-19 14:54:07,323 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062b8b6b-abc4-425a-8ad0-2d7d2e8e8cd1/bin/utaipan-UbGMyvGFUs/data/c4f04ad9a/33dcbbb44f1f47c6b8dab502babf0095/FLAG1863b83d5 [2021-11-19 14:54:08,024 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:54:08,026 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062b8b6b-abc4-425a-8ad0-2d7d2e8e8cd1/sv-benchmarks/c/openssl/s3_clnt.blast.03.i.cil-2.c [2021-11-19 14:54:08,053 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062b8b6b-abc4-425a-8ad0-2d7d2e8e8cd1/bin/utaipan-UbGMyvGFUs/data/c4f04ad9a/33dcbbb44f1f47c6b8dab502babf0095/FLAG1863b83d5 [2021-11-19 14:54:08,208 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062b8b6b-abc4-425a-8ad0-2d7d2e8e8cd1/bin/utaipan-UbGMyvGFUs/data/c4f04ad9a/33dcbbb44f1f47c6b8dab502babf0095 [2021-11-19 14:54:08,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:54:08,212 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:54:08,214 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:54:08,214 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:54:08,218 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:54:08,219 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:54:08" (1/1) ... [2021-11-19 14:54:08,221 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66155c10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:08, skipping insertion in model container [2021-11-19 14:54:08,221 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:54:08" (1/1) ... [2021-11-19 14:54:08,229 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:54:08,296 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:54:08,781 WARN L230 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_062b8b6b-abc4-425a-8ad0-2d7d2e8e8cd1/sv-benchmarks/c/openssl/s3_clnt.blast.03.i.cil-2.c[65397,65410] [2021-11-19 14:54:08,806 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:54:08,824 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 14:54:08,837 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:54:08,951 WARN L230 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_062b8b6b-abc4-425a-8ad0-2d7d2e8e8cd1/sv-benchmarks/c/openssl/s3_clnt.blast.03.i.cil-2.c[65397,65410] [2021-11-19 14:54:08,955 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:54:08,982 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 14:54:09,068 WARN L230 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_062b8b6b-abc4-425a-8ad0-2d7d2e8e8cd1/sv-benchmarks/c/openssl/s3_clnt.blast.03.i.cil-2.c[65397,65410] [2021-11-19 14:54:09,070 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:54:09,104 INFO L208 MainTranslator]: Completed translation [2021-11-19 14:54:09,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:09 WrapperNode [2021-11-19 14:54:09,105 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:54:09,107 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 14:54:09,107 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 14:54:09,107 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 14:54:09,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:09" (1/1) ... [2021-11-19 14:54:09,163 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:09" (1/1) ... [2021-11-19 14:54:09,241 INFO L137 Inliner]: procedures = 36, calls = 217, calls flagged for inlining = 7, calls inlined = 3, statements flattened = 688 [2021-11-19 14:54:09,244 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 14:54:09,245 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 14:54:09,246 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 14:54:09,247 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 14:54:09,256 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:09" (1/1) ... [2021-11-19 14:54:09,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:09" (1/1) ... [2021-11-19 14:54:09,282 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:09" (1/1) ... [2021-11-19 14:54:09,292 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:09" (1/1) ... [2021-11-19 14:54:09,366 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:09" (1/1) ... [2021-11-19 14:54:09,378 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:09" (1/1) ... [2021-11-19 14:54:09,382 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:09" (1/1) ... [2021-11-19 14:54:09,388 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 14:54:09,389 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 14:54:09,389 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 14:54:09,389 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 14:54:09,390 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:09" (1/1) ... [2021-11-19 14:54:09,397 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:54:09,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062b8b6b-abc4-425a-8ad0-2d7d2e8e8cd1/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:54:09,426 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062b8b6b-abc4-425a-8ad0-2d7d2e8e8cd1/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 14:54:09,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062b8b6b-abc4-425a-8ad0-2d7d2e8e8cd1/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 14:54:09,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 14:54:09,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 14:54:09,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 14:54:09,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 14:54:09,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 14:54:09,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 14:54:09,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 14:54:09,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 14:54:09,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 14:54:09,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 14:54:09,734 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 14:54:09,737 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 14:54:09,771 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-19 14:54:19,024 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2021-11-19 14:54:19,025 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2021-11-19 14:54:19,025 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 14:54:19,035 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 14:54:19,035 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-19 14:54:19,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:54:19 BoogieIcfgContainer [2021-11-19 14:54:19,038 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 14:54:19,040 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 14:54:19,040 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 14:54:19,043 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 14:54:19,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:54:08" (1/3) ... [2021-11-19 14:54:19,044 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@307cc975 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:54:19, skipping insertion in model container [2021-11-19 14:54:19,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:09" (2/3) ... [2021-11-19 14:54:19,045 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@307cc975 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:54:19, skipping insertion in model container [2021-11-19 14:54:19,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:54:19" (3/3) ... [2021-11-19 14:54:19,047 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt.blast.03.i.cil-2.c [2021-11-19 14:54:19,053 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 14:54:19,053 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 14:54:19,106 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 14:54:19,114 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 [2021-11-19 14:54:19,114 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 14:54:19,135 INFO L276 IsEmpty]: Start isEmpty. Operand has 129 states, 127 states have (on average 1.7086614173228347) internal successors, (217), 128 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:54:19,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 14:54:19,143 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:54:19,144 INFO L514 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] [2021-11-19 14:54:19,145 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:54:19,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:54:19,152 INFO L85 PathProgramCache]: Analyzing trace with hash -1457695037, now seen corresponding path program 1 times [2021-11-19 14:54:19,168 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:54:19,169 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [81419623] [2021-11-19 14:54:19,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:54:19,171 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:54:19,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062b8b6b-abc4-425a-8ad0-2d7d2e8e8cd1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:54:19,175 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062b8b6b-abc4-425a-8ad0-2d7d2e8e8cd1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:54:19,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062b8b6b-abc4-425a-8ad0-2d7d2e8e8cd1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 14:54:19,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:54:19,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:54:19,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:54:19,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:54:19,753 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:54:19,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:54:19,955 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:54:19,955 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [81419623] [2021-11-19 14:54:19,956 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [81419623] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:54:19,957 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:54:19,957 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:54:19,959 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696914906] [2021-11-19 14:54:19,960 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:54:19,965 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:54:19,965 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:54:20,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:54:20,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:54:20,009 INFO L87 Difference]: Start difference. First operand has 129 states, 127 states have (on average 1.7086614173228347) internal successors, (217), 128 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:54:20,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:54:20,288 INFO L93 Difference]: Finished difference Result 488 states and 825 transitions. [2021-11-19 14:54:20,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:54:20,291 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 [2021-11-19 14:54:20,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:54:20,306 INFO L225 Difference]: With dead ends: 488 [2021-11-19 14:54:20,307 INFO L226 Difference]: Without dead ends: 315 [2021-11-19 14:54:20,311 INFO L932 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 [2021-11-19 14:54:20,315 INFO L933 BasicCegarLoop]: 203 mSDtfsCounter, 359 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 359 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:54:20,317 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [359 Valid, 585 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 14:54:20,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2021-11-19 14:54:20,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 315. [2021-11-19 14:54:20,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 314 states have (on average 1.5031847133757963) internal successors, (472), 314 states have internal predecessors, (472), 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) [2021-11-19 14:54:20,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 472 transitions. [2021-11-19 14:54:20,383 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 472 transitions. Word has length 24 [2021-11-19 14:54:20,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:54:20,383 INFO L470 AbstractCegarLoop]: Abstraction has 315 states and 472 transitions. [2021-11-19 14:54:20,383 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) [2021-11-19 14:54:20,384 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 472 transitions. [2021-11-19 14:54:20,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-19 14:54:20,388 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:54:20,388 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:54:20,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062b8b6b-abc4-425a-8ad0-2d7d2e8e8cd1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 14:54:20,591 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062b8b6b-abc4-425a-8ad0-2d7d2e8e8cd1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:54:20,591 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:54:20,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:54:20,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1013386387, now seen corresponding path program 1 times [2021-11-19 14:54:20,593 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:54:20,594 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1225415747] [2021-11-19 14:54:20,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:54:20,594 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:54:20,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062b8b6b-abc4-425a-8ad0-2d7d2e8e8cd1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:54:20,605 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062b8b6b-abc4-425a-8ad0-2d7d2e8e8cd1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:54:20,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062b8b6b-abc4-425a-8ad0-2d7d2e8e8cd1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 14:54:20,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:54:20,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:54:20,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:54:21,180 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:54:21,180 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:54:21,440 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:54:21,440 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:54:21,440 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1225415747] [2021-11-19 14:54:21,441 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1225415747] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:54:21,441 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:54:21,441 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 14:54:21,442 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624338561] [2021-11-19 14:54:21,442 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:54:21,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:54:21,444 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:54:21,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:54:21,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:54:21,445 INFO L87 Difference]: Start difference. First operand 315 states and 472 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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) [2021-11-19 14:54:23,474 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:54:23,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:54:23,610 INFO L93 Difference]: Finished difference Result 621 states and 935 transitions. [2021-11-19 14:54:23,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:54:23,611 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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 58 [2021-11-19 14:54:23,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:54:23,615 INFO L225 Difference]: With dead ends: 621 [2021-11-19 14:54:23,615 INFO L226 Difference]: Without dead ends: 414 [2021-11-19 14:54:23,617 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:54:23,619 INFO L933 BasicCegarLoop]: 305 mSDtfsCounter, 129 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:54:23,619 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [129 Valid, 461 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 16 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2021-11-19 14:54:23,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2021-11-19 14:54:23,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 414. [2021-11-19 14:54:23,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 413 states have (on average 1.4963680387409202) internal successors, (618), 413 states have internal predecessors, (618), 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) [2021-11-19 14:54:23,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 618 transitions. [2021-11-19 14:54:23,715 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 618 transitions. Word has length 58 [2021-11-19 14:54:23,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:54:23,715 INFO L470 AbstractCegarLoop]: Abstraction has 414 states and 618 transitions. [2021-11-19 14:54:23,716 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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) [2021-11-19 14:54:23,716 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 618 transitions. [2021-11-19 14:54:23,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-19 14:54:23,721 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:54:23,721 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:54:23,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062b8b6b-abc4-425a-8ad0-2d7d2e8e8cd1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 14:54:23,936 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062b8b6b-abc4-425a-8ad0-2d7d2e8e8cd1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:54:23,936 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:54:23,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:54:23,937 INFO L85 PathProgramCache]: Analyzing trace with hash 734843988, now seen corresponding path program 1 times [2021-11-19 14:54:23,938 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:54:23,939 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [597120245] [2021-11-19 14:54:23,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:54:23,939 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:54:23,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062b8b6b-abc4-425a-8ad0-2d7d2e8e8cd1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:54:23,940 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062b8b6b-abc4-425a-8ad0-2d7d2e8e8cd1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:54:23,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062b8b6b-abc4-425a-8ad0-2d7d2e8e8cd1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 14:54:24,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:54:24,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:54:24,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:54:24,596 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-19 14:54:24,596 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:54:24,940 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-19 14:54:24,940 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:54:24,941 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [597120245] [2021-11-19 14:54:24,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [597120245] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:54:24,941 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:54:24,941 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:54:24,941 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336649543] [2021-11-19 14:54:24,942 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:54:24,942 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:54:24,943 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:54:24,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:54:24,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:54:24,944 INFO L87 Difference]: Start difference. First operand 414 states and 618 transitions. Second operand has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 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) [2021-11-19 14:54:26,971 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:54:27,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:54:27,144 INFO L93 Difference]: Finished difference Result 1020 states and 1528 transitions. [2021-11-19 14:54:27,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:54:27,146 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 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 76 [2021-11-19 14:54:27,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:54:27,153 INFO L225 Difference]: With dead ends: 1020 [2021-11-19 14:54:27,153 INFO L226 Difference]: Without dead ends: 714 [2021-11-19 14:54:27,161 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:54:27,164 INFO L933 BasicCegarLoop]: 446 mSDtfsCounter, 265 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 891 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-19 14:54:27,168 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [265 Valid, 891 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 39 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-11-19 14:54:27,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 714 states. [2021-11-19 14:54:27,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 714 to 616. [2021-11-19 14:54:27,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 616 states, 615 states have (on average 1.4926829268292683) internal successors, (918), 615 states have internal predecessors, (918), 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) [2021-11-19 14:54:27,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 616 states and 918 transitions. [2021-11-19 14:54:27,240 INFO L78 Accepts]: Start accepts. Automaton has 616 states and 918 transitions. Word has length 76 [2021-11-19 14:54:27,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:54:27,241 INFO L470 AbstractCegarLoop]: Abstraction has 616 states and 918 transitions. [2021-11-19 14:54:27,241 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 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) [2021-11-19 14:54:27,242 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 918 transitions. [2021-11-19 14:54:27,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-19 14:54:27,249 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:54:27,249 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:54:27,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062b8b6b-abc4-425a-8ad0-2d7d2e8e8cd1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 14:54:27,471 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062b8b6b-abc4-425a-8ad0-2d7d2e8e8cd1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:54:27,471 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:54:27,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:54:27,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1308457232, now seen corresponding path program 1 times [2021-11-19 14:54:27,474 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:54:27,474 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1688131554] [2021-11-19 14:54:27,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:54:27,474 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:54:27,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062b8b6b-abc4-425a-8ad0-2d7d2e8e8cd1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:54:27,476 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062b8b6b-abc4-425a-8ad0-2d7d2e8e8cd1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:54:27,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062b8b6b-abc4-425a-8ad0-2d7d2e8e8cd1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 14:54:28,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:54:28,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:54:28,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:54:47,246 WARN L227 SmtUtils]: Spent 18.77s on a formula simplification that was a NOOP. DAG size: 19 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-19 14:54:47,246 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:54:47,248 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 [2021-11-19 14:55:27,569 WARN L227 SmtUtils]: Spent 40.26s on a formula simplification that was a NOOP. DAG size: 23 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-19 14:55:27,570 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:55:27,571 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