./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c06700f2-0b3e-4a0e-ae45-2dcdf7bae433/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_c06700f2-0b3e-4a0e-ae45-2dcdf7bae433/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c06700f2-0b3e-4a0e-ae45-2dcdf7bae433/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c06700f2-0b3e-4a0e-ae45-2dcdf7bae433/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c06700f2-0b3e-4a0e-ae45-2dcdf7bae433/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c06700f2-0b3e-4a0e-ae45-2dcdf7bae433/bin/utaipan --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 0cc23406006a3a1e447c6e8a913f53a10dcbb620 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c06700f2-0b3e-4a0e-ae45-2dcdf7bae433/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_c06700f2-0b3e-4a0e-ae45-2dcdf7bae433/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c06700f2-0b3e-4a0e-ae45-2dcdf7bae433/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c06700f2-0b3e-4a0e-ae45-2dcdf7bae433/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c06700f2-0b3e-4a0e-ae45-2dcdf7bae433/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c06700f2-0b3e-4a0e-ae45-2dcdf7bae433/bin/utaipan --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 0cc23406006a3a1e447c6e8a913f53a10dcbb620 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 12:55:16,183 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:55:16,186 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:55:16,240 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:55:16,241 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:55:16,247 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:55:16,251 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:55:16,277 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:55:16,279 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:55:16,281 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:55:16,282 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:55:16,284 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:55:16,284 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:55:16,293 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:55:16,295 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:55:16,298 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:55:16,300 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:55:16,302 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:55:16,305 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:55:16,308 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:55:16,310 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:55:16,312 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:55:16,315 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:55:16,321 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:55:16,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:55:16,329 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:55:16,329 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:55:16,331 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:55:16,333 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:55:16,335 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:55:16,336 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:55:16,338 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:55:16,340 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:55:16,342 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:55:16,346 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:55:16,346 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:55:16,347 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:55:16,347 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:55:16,348 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:55:16,349 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:55:16,350 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:55:16,354 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c06700f2-0b3e-4a0e-ae45-2dcdf7bae433/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 12:55:16,407 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:55:16,408 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:55:16,409 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:55:16,410 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:55:16,410 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:55:16,410 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:55:16,410 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 12:55:16,411 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:55:16,411 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:55:16,411 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 12:55:16,413 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 12:55:16,413 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:55:16,413 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 12:55:16,413 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 12:55:16,414 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 12:55:16,415 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:55:16,415 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:55:16,415 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 12:55:16,415 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:55:16,416 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:55:16,416 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:55:16,416 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:55:16,416 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:55:16,417 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:55:16,417 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:55:16,417 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:55:16,417 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:55:16,418 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:55:16,418 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:55:16,420 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:55:16,421 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:55:16,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:55:16,421 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:55:16,422 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:55:16,422 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:55:16,422 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 12:55:16,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 12:55:16,423 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:55:16,423 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:55:16,423 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:55:16,423 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-vcloud-master/worker/run_dir_c06700f2-0b3e-4a0e-ae45-2dcdf7bae433/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c06700f2-0b3e-4a0e-ae45-2dcdf7bae433/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cc23406006a3a1e447c6e8a913f53a10dcbb620 [2020-11-22 12:55:16,739 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:55:16,775 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:55:16,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:55:16,782 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:55:16,783 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:55:16,784 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c06700f2-0b3e-4a0e-ae45-2dcdf7bae433/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c [2020-11-22 12:55:16,902 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c06700f2-0b3e-4a0e-ae45-2dcdf7bae433/bin/utaipan/data/0ca57b5b5/a660a09e039b4086b7ae644a7742389f/FLAGb90b45346 [2020-11-22 12:55:17,491 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:55:17,491 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c06700f2-0b3e-4a0e-ae45-2dcdf7bae433/sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c [2020-11-22 12:55:17,507 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c06700f2-0b3e-4a0e-ae45-2dcdf7bae433/bin/utaipan/data/0ca57b5b5/a660a09e039b4086b7ae644a7742389f/FLAGb90b45346 [2020-11-22 12:55:17,774 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c06700f2-0b3e-4a0e-ae45-2dcdf7bae433/bin/utaipan/data/0ca57b5b5/a660a09e039b4086b7ae644a7742389f [2020-11-22 12:55:17,776 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:55:17,778 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:55:17,782 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:55:17,782 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:55:17,799 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:55:17,800 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:55:17" (1/1) ... [2020-11-22 12:55:17,802 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28b435e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:17, skipping insertion in model container [2020-11-22 12:55:17,803 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:55:17" (1/1) ... [2020-11-22 12:55:17,816 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:55:17,873 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:55:18,217 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:55:18,237 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) [2020-11-22 12:55:18,238 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1a348929 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:18, skipping insertion in model container [2020-11-22 12:55:18,239 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:55:18,239 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 12:55:18,242 INFO L168 Benchmark]: Toolchain (without parser) took 462.33 ms. Allocated memory was 88.1 MB in the beginning and 123.7 MB in the end (delta: 35.7 MB). Free memory was 57.4 MB in the beginning and 98.2 MB in the end (delta: -40.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:55:18,243 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 88.1 MB. Free memory is still 44.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:55:18,244 INFO L168 Benchmark]: CACSL2BoogieTranslator took 457.25 ms. Allocated memory was 88.1 MB in the beginning and 123.7 MB in the end (delta: 35.7 MB). Free memory was 57.2 MB in the beginning and 98.2 MB in the end (delta: -41.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:55:18,247 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 88.1 MB. Free memory is still 44.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 457.25 ms. Allocated memory was 88.1 MB in the beginning and 123.7 MB in the end (delta: 35.7 MB). Free memory was 57.2 MB in the beginning and 98.2 MB in the end (delta: -41.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 108]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-22 12:55:20,789 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:55:20,792 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:55:20,839 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:55:20,839 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:55:20,841 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:55:20,843 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:55:20,846 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:55:20,848 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:55:20,849 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:55:20,851 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:55:20,863 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:55:20,865 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:55:20,869 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:55:20,871 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:55:20,873 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:55:20,875 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:55:20,883 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:55:20,886 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:55:20,889 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:55:20,891 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:55:20,893 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:55:20,895 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:55:20,896 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:55:20,900 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:55:20,901 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:55:20,901 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:55:20,902 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:55:20,903 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:55:20,904 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:55:20,905 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:55:20,906 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:55:20,907 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:55:20,908 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:55:20,910 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:55:20,910 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:55:20,911 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:55:20,912 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:55:20,912 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:55:20,914 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:55:20,915 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:55:20,916 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c06700f2-0b3e-4a0e-ae45-2dcdf7bae433/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 12:55:20,947 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:55:20,948 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:55:20,949 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:55:20,949 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:55:20,949 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:55:20,950 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:55:20,950 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:55:20,950 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:55:20,951 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:55:20,952 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:55:20,952 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:55:20,952 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:55:20,953 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:55:20,953 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:55:20,953 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:55:20,954 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:55:20,954 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:55:20,954 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 12:55:20,955 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 12:55:20,955 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:55:20,955 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:55:20,956 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:55:20,956 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:55:20,956 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:55:20,956 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 12:55:20,957 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:55:20,957 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:55:20,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:55:20,958 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:55:20,958 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:55:20,959 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:55:20,959 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 12:55:20,959 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 12:55:20,960 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:55:20,960 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:55:20,960 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:55:20,961 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-vcloud-master/worker/run_dir_c06700f2-0b3e-4a0e-ae45-2dcdf7bae433/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c06700f2-0b3e-4a0e-ae45-2dcdf7bae433/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cc23406006a3a1e447c6e8a913f53a10dcbb620 [2020-11-22 12:55:21,409 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:55:21,439 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:55:21,442 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:55:21,443 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:55:21,445 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:55:21,446 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c06700f2-0b3e-4a0e-ae45-2dcdf7bae433/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c [2020-11-22 12:55:21,525 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c06700f2-0b3e-4a0e-ae45-2dcdf7bae433/bin/utaipan/data/5bac185c6/41c9c07987eb4f3dbb24ef926b6acbb3/FLAG67fef872b [2020-11-22 12:55:22,117 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:55:22,118 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c06700f2-0b3e-4a0e-ae45-2dcdf7bae433/sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c [2020-11-22 12:55:22,133 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c06700f2-0b3e-4a0e-ae45-2dcdf7bae433/bin/utaipan/data/5bac185c6/41c9c07987eb4f3dbb24ef926b6acbb3/FLAG67fef872b [2020-11-22 12:55:22,427 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c06700f2-0b3e-4a0e-ae45-2dcdf7bae433/bin/utaipan/data/5bac185c6/41c9c07987eb4f3dbb24ef926b6acbb3 [2020-11-22 12:55:22,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:55:22,432 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:55:22,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:55:22,434 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:55:22,438 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:55:22,439 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:55:22" (1/1) ... [2020-11-22 12:55:22,441 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b7943d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:22, skipping insertion in model container [2020-11-22 12:55:22,442 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:55:22" (1/1) ... [2020-11-22 12:55:22,451 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:55:22,505 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:55:22,944 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:55:22,968 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-22 12:55:22,994 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:55:23,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:55:23,134 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 12:55:23,253 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:55:23,300 INFO L208 MainTranslator]: Completed translation [2020-11-22 12:55:23,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:23 WrapperNode [2020-11-22 12:55:23,301 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:55:23,302 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 12:55:23,302 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 12:55:23,303 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 12:55:23,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:23" (1/1) ... [2020-11-22 12:55:23,334 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:23" (1/1) ... [2020-11-22 12:55:23,369 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 12:55:23,370 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 12:55:23,370 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 12:55:23,370 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 12:55:23,381 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:23" (1/1) ... [2020-11-22 12:55:23,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:23" (1/1) ... [2020-11-22 12:55:23,386 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:23" (1/1) ... [2020-11-22 12:55:23,386 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:23" (1/1) ... [2020-11-22 12:55:23,423 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:23" (1/1) ... [2020-11-22 12:55:23,430 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:23" (1/1) ... [2020-11-22 12:55:23,447 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:23" (1/1) ... [2020-11-22 12:55:23,452 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 12:55:23,453 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 12:55:23,453 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 12:55:23,454 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 12:55:23,455 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c06700f2-0b3e-4a0e-ae45-2dcdf7bae433/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:55:23,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 12:55:23,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 12:55:23,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 12:55:23,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 12:55:26,266 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 12:55:26,266 INFO L298 CfgBuilder]: Removed 78 assume(true) statements. [2020-11-22 12:55:26,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:55:26 BoogieIcfgContainer [2020-11-22 12:55:26,268 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 12:55:26,275 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 12:55:26,275 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 12:55:26,278 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 12:55:26,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:55:22" (1/3) ... [2020-11-22 12:55:26,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21801315 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:55:26, skipping insertion in model container [2020-11-22 12:55:26,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:23" (2/3) ... [2020-11-22 12:55:26,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21801315 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:55:26, skipping insertion in model container [2020-11-22 12:55:26,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:55:26" (3/3) ... [2020-11-22 12:55:26,284 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product11.cil.c [2020-11-22 12:55:26,300 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 12:55:26,306 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-22 12:55:26,319 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-22 12:55:26,361 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 12:55:26,361 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 12:55:26,362 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 12:55:26,362 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 12:55:26,362 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 12:55:26,362 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 12:55:26,362 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 12:55:26,362 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 12:55:26,381 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states. [2020-11-22 12:55:26,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-22 12:55:26,398 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:55:26,399 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:55:26,400 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:55:26,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:55:26,406 INFO L82 PathProgramCache]: Analyzing trace with hash -434430378, now seen corresponding path program 1 times [2020-11-22 12:55:26,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:55:26,422 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [242028617] [2020-11-22 12:55:26,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c06700f2-0b3e-4a0e-ae45-2dcdf7bae433/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-22 12:55:26,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:55:26,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 12:55:26,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:55:26,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:55:26,834 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:55:26,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:55:26,844 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [242028617] [2020-11-22 12:55:26,845 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:55:26,846 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 12:55:26,847 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731062544] [2020-11-22 12:55:26,852 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 12:55:26,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:55:26,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 12:55:26,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 12:55:26,883 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 2 states. [2020-11-22 12:55:26,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:55:26,937 INFO L93 Difference]: Finished difference Result 122 states and 183 transitions. [2020-11-22 12:55:26,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 12:55:26,940 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-22 12:55:26,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:55:26,955 INFO L225 Difference]: With dead ends: 122 [2020-11-22 12:55:26,955 INFO L226 Difference]: Without dead ends: 59 [2020-11-22 12:55:26,960 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 12:55:26,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-11-22 12:55:27,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2020-11-22 12:55:27,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-11-22 12:55:27,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 82 transitions. [2020-11-22 12:55:27,017 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 82 transitions. Word has length 18 [2020-11-22 12:55:27,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:55:27,017 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 82 transitions. [2020-11-22 12:55:27,017 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 12:55:27,018 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2020-11-22 12:55:27,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-22 12:55:27,020 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:55:27,020 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:55:27,234 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 12:55:27,234 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:55:27,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:55:27,235 INFO L82 PathProgramCache]: Analyzing trace with hash 1239838886, now seen corresponding path program 1 times [2020-11-22 12:55:27,236 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:55:27,236 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1936547811] [2020-11-22 12:55:27,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c06700f2-0b3e-4a0e-ae45-2dcdf7bae433/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-22 12:55:27,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:55:27,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:55:27,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:55:27,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:55:27,501 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:55:27,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:55:27,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1936547811] [2020-11-22 12:55:27,528 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:55:27,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 12:55:27,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659176718] [2020-11-22 12:55:27,530 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:55:27,530 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:55:27,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:55:27,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:55:27,531 INFO L87 Difference]: Start difference. First operand 59 states and 82 transitions. Second operand 4 states. [2020-11-22 12:55:27,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:55:27,553 INFO L93 Difference]: Finished difference Result 59 states and 82 transitions. [2020-11-22 12:55:27,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:55:27,554 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2020-11-22 12:55:27,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:55:27,557 INFO L225 Difference]: With dead ends: 59 [2020-11-22 12:55:27,557 INFO L226 Difference]: Without dead ends: 31 [2020-11-22 12:55:27,559 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:55:27,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-11-22 12:55:27,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-11-22 12:55:27,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-11-22 12:55:27,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2020-11-22 12:55:27,574 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 19 [2020-11-22 12:55:27,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:55:27,576 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2020-11-22 12:55:27,577 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:55:27,577 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2020-11-22 12:55:27,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-22 12:55:27,578 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:55:27,578 INFO L422 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] [2020-11-22 12:55:27,784 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 12:55:27,784 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:55:27,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:55:27,785 INFO L82 PathProgramCache]: Analyzing trace with hash 1370675903, now seen corresponding path program 1 times [2020-11-22 12:55:27,786 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:55:27,786 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [775288147] [2020-11-22 12:55:27,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c06700f2-0b3e-4a0e-ae45-2dcdf7bae433/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-22 12:55:28,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:55:28,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:55:28,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:55:28,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:55:28,100 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:55:28,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:55:28,123 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [775288147] [2020-11-22 12:55:28,123 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:55:28,123 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2020-11-22 12:55:28,123 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219107266] [2020-11-22 12:55:28,124 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:55:28,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:55:28,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:55:28,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:55:28,127 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 4 states. [2020-11-22 12:55:28,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:55:28,170 INFO L93 Difference]: Finished difference Result 103 states and 151 transitions. [2020-11-22 12:55:28,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-22 12:55:28,171 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2020-11-22 12:55:28,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:55:28,173 INFO L225 Difference]: With dead ends: 103 [2020-11-22 12:55:28,173 INFO L226 Difference]: Without dead ends: 79 [2020-11-22 12:55:28,174 INFO L677 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 [2020-11-22 12:55:28,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2020-11-22 12:55:28,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 51. [2020-11-22 12:55:28,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-11-22 12:55:28,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 74 transitions. [2020-11-22 12:55:28,186 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 74 transitions. Word has length 24 [2020-11-22 12:55:28,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:55:28,186 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 74 transitions. [2020-11-22 12:55:28,187 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:55:28,187 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 74 transitions. [2020-11-22 12:55:28,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-22 12:55:28,188 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:55:28,188 INFO L422 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] [2020-11-22 12:55:28,388 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 12:55:28,389 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:55:28,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:55:28,390 INFO L82 PathProgramCache]: Analyzing trace with hash 437212194, now seen corresponding path program 1 times [2020-11-22 12:55:28,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:55:28,390 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1507813757] [2020-11-22 12:55:28,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c06700f2-0b3e-4a0e-ae45-2dcdf7bae433/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-22 12:55:28,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:55:28,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 12:55:28,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:55:28,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:55:28,647 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:55:28,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:55:28,660 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1507813757] [2020-11-22 12:55:28,660 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:55:28,661 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-22 12:55:28,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521036066] [2020-11-22 12:55:28,661 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 12:55:28,661 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:55:28,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 12:55:28,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 12:55:28,663 INFO L87 Difference]: Start difference. First operand 51 states and 74 transitions. Second operand 5 states. [2020-11-22 12:55:28,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:55:28,817 INFO L93 Difference]: Finished difference Result 219 states and 337 transitions. [2020-11-22 12:55:28,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-22 12:55:28,818 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-11-22 12:55:28,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:55:28,820 INFO L225 Difference]: With dead ends: 219 [2020-11-22 12:55:28,820 INFO L226 Difference]: Without dead ends: 175 [2020-11-22 12:55:28,821 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-22 12:55:28,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2020-11-22 12:55:28,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 87. [2020-11-22 12:55:28,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-11-22 12:55:28,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 126 transitions. [2020-11-22 12:55:28,863 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 126 transitions. Word has length 24 [2020-11-22 12:55:28,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:55:28,863 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 126 transitions. [2020-11-22 12:55:28,863 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 12:55:28,864 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 126 transitions. [2020-11-22 12:55:28,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-22 12:55:28,866 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:55:28,866 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:55:29,087 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 12:55:29,088 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:55:29,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:55:29,088 INFO L82 PathProgramCache]: Analyzing trace with hash 1687550122, now seen corresponding path program 1 times [2020-11-22 12:55:29,089 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:55:29,089 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1537790259] [2020-11-22 12:55:29,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c06700f2-0b3e-4a0e-ae45-2dcdf7bae433/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-11-22 12:55:29,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:55:29,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 12:55:29,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:55:29,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:55:29,330 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:55:29,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:55:29,349 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1537790259] [2020-11-22 12:55:29,349 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:55:29,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-22 12:55:29,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858988251] [2020-11-22 12:55:29,350 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 12:55:29,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:55:29,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 12:55:29,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 12:55:29,351 INFO L87 Difference]: Start difference. First operand 87 states and 126 transitions. Second operand 5 states. [2020-11-22 12:55:29,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:55:29,480 INFO L93 Difference]: Finished difference Result 271 states and 400 transitions. [2020-11-22 12:55:29,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 12:55:29,481 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-11-22 12:55:29,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:55:29,481 INFO L225 Difference]: With dead ends: 271 [2020-11-22 12:55:29,481 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 12:55:29,483 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-22 12:55:29,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 12:55:29,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 12:55:29,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 12:55:29,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 12:55:29,484 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2020-11-22 12:55:29,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:55:29,484 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 12:55:29,485 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 12:55:29,485 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 12:55:29,485 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 12:55:29,697 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-22 12:55:29,699 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 12:55:29,807 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 6 [2020-11-22 12:55:30,241 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:55:30,242 INFO L274 CegarLoopResult]: For program point L696(lines 696 706) no Hoare annotation was computed. [2020-11-22 12:55:30,242 INFO L274 CegarLoopResult]: For program point L696-2(lines 696 706) no Hoare annotation was computed. [2020-11-22 12:55:30,242 INFO L274 CegarLoopResult]: For program point L696-4(lines 696 706) no Hoare annotation was computed. [2020-11-22 12:55:30,242 INFO L274 CegarLoopResult]: For program point L878(lines 878 885) no Hoare annotation was computed. [2020-11-22 12:55:30,242 INFO L277 CegarLoopResult]: At program point L878-1(lines 878 885) the Hoare annotation is: true [2020-11-22 12:55:30,243 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-22 12:55:30,243 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-22 12:55:30,243 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-22 12:55:30,243 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 12:55:30,243 INFO L274 CegarLoopResult]: For program point L697(lines 697 703) no Hoare annotation was computed. [2020-11-22 12:55:30,243 INFO L274 CegarLoopResult]: For program point L697-2(lines 697 703) no Hoare annotation was computed. [2020-11-22 12:55:30,243 INFO L274 CegarLoopResult]: For program point L697-4(lines 697 703) no Hoare annotation was computed. [2020-11-22 12:55:30,244 INFO L270 CegarLoopResult]: At program point L681(lines 676 683) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:55:30,244 INFO L274 CegarLoopResult]: For program point L584(lines 584 590) no Hoare annotation was computed. [2020-11-22 12:55:30,244 INFO L270 CegarLoopResult]: At program point L584-1(lines 584 590) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:55:30,244 INFO L274 CegarLoopResult]: For program point L733(lines 733 737) no Hoare annotation was computed. [2020-11-22 12:55:30,244 INFO L270 CegarLoopResult]: At program point L470(lines 470 476) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:55:30,244 INFO L270 CegarLoopResult]: At program point L470-1(lines 470 476) the Hoare annotation is: false [2020-11-22 12:55:30,245 INFO L270 CegarLoopResult]: At program point L470-2(lines 470 476) the Hoare annotation is: false [2020-11-22 12:55:30,245 INFO L274 CegarLoopResult]: For program point L619(lines 619 625) no Hoare annotation was computed. [2020-11-22 12:55:30,245 INFO L270 CegarLoopResult]: At program point L619-1(lines 619 625) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:55:30,245 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 12:55:30,245 INFO L270 CegarLoopResult]: At program point L75(lines 70 78) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:55:30,250 INFO L274 CegarLoopResult]: For program point L670(line 670) no Hoare annotation was computed. [2020-11-22 12:55:30,251 INFO L274 CegarLoopResult]: For program point L670-1(line 670) no Hoare annotation was computed. [2020-11-22 12:55:30,251 INFO L274 CegarLoopResult]: For program point L670-2(line 670) no Hoare annotation was computed. [2020-11-22 12:55:30,251 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:55:30,251 INFO L274 CegarLoopResult]: For program point L721(lines 721 725) no Hoare annotation was computed. [2020-11-22 12:55:30,252 INFO L274 CegarLoopResult]: For program point L721-3(lines 721 725) no Hoare annotation was computed. [2020-11-22 12:55:30,252 INFO L274 CegarLoopResult]: For program point L721-6(lines 721 725) no Hoare annotation was computed. [2020-11-22 12:55:30,252 INFO L274 CegarLoopResult]: For program point L639(lines 639 652) no Hoare annotation was computed. [2020-11-22 12:55:30,252 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-22 12:55:30,253 INFO L270 CegarLoopResult]: At program point L540(lines 535 543) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:55:30,253 INFO L270 CegarLoopResult]: At program point L540-1(lines 535 543) the Hoare annotation is: false [2020-11-22 12:55:30,253 INFO L270 CegarLoopResult]: At program point L540-2(lines 535 543) the Hoare annotation is: false [2020-11-22 12:55:30,253 INFO L277 CegarLoopResult]: At program point L887(lines 868 890) the Hoare annotation is: true [2020-11-22 12:55:30,253 INFO L270 CegarLoopResult]: At program point L854(lines 850 856) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:55:30,254 INFO L270 CegarLoopResult]: At program point L657(lines 608 658) the Hoare annotation is: false [2020-11-22 12:55:30,254 INFO L270 CegarLoopResult]: At program point L806-2(lines 806 820) the Hoare annotation is: false [2020-11-22 12:55:30,254 INFO L274 CegarLoopResult]: For program point L807(line 807) no Hoare annotation was computed. [2020-11-22 12:55:30,254 INFO L270 CegarLoopResult]: At program point L758(lines 753 761) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:55:30,254 INFO L270 CegarLoopResult]: At program point L758-1(lines 753 761) the Hoare annotation is: false [2020-11-22 12:55:30,254 INFO L274 CegarLoopResult]: For program point L692(lines 692 709) no Hoare annotation was computed. [2020-11-22 12:55:30,254 INFO L270 CegarLoopResult]: At program point L758-2(lines 753 761) the Hoare annotation is: false [2020-11-22 12:55:30,255 INFO L270 CegarLoopResult]: At program point L692-1(lines 1 890) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:55:30,255 INFO L274 CegarLoopResult]: For program point L692-2(lines 692 709) no Hoare annotation was computed. [2020-11-22 12:55:30,255 INFO L270 CegarLoopResult]: At program point L692-3(lines 1 890) the Hoare annotation is: false [2020-11-22 12:55:30,255 INFO L274 CegarLoopResult]: For program point L692-4(lines 692 709) no Hoare annotation was computed. [2020-11-22 12:55:30,255 INFO L270 CegarLoopResult]: At program point L692-5(lines 1 890) the Hoare annotation is: false [2020-11-22 12:55:30,255 INFO L274 CegarLoopResult]: For program point L610(lines 609 656) no Hoare annotation was computed. [2020-11-22 12:55:30,255 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-22 12:55:30,256 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:55:30,256 INFO L274 CegarLoopResult]: For program point L611(lines 611 615) no Hoare annotation was computed. [2020-11-22 12:55:30,256 INFO L270 CegarLoopResult]: At program point L463(lines 462 481) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:55:30,256 INFO L274 CegarLoopResult]: For program point L463-1(lines 463 469) no Hoare annotation was computed. [2020-11-22 12:55:30,256 INFO L270 CegarLoopResult]: At program point L463-2(lines 462 481) the Hoare annotation is: false [2020-11-22 12:55:30,256 INFO L270 CegarLoopResult]: At program point L463-3(lines 462 481) the Hoare annotation is: false [2020-11-22 12:55:30,256 INFO L274 CegarLoopResult]: For program point L810(lines 810 814) no Hoare annotation was computed. [2020-11-22 12:55:30,257 INFO L274 CegarLoopResult]: For program point L810-1(lines 463 469) no Hoare annotation was computed. [2020-11-22 12:55:30,257 INFO L274 CegarLoopResult]: For program point L645(lines 645 651) no Hoare annotation was computed. [2020-11-22 12:55:30,257 INFO L270 CegarLoopResult]: At program point L645-1(lines 463 469) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:55:30,257 INFO L270 CegarLoopResult]: At program point L67(lines 1 890) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:55:30,257 INFO L274 CegarLoopResult]: For program point L629(lines 629 635) no Hoare annotation was computed. [2020-11-22 12:55:30,257 INFO L270 CegarLoopResult]: At program point L629-1(lines 629 635) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:55:30,257 INFO L274 CegarLoopResult]: For program point L745(lines 745 749) no Hoare annotation was computed. [2020-11-22 12:55:30,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:55:30 BoogieIcfgContainer [2020-11-22 12:55:30,292 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 12:55:30,292 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 12:55:30,292 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 12:55:30,293 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 12:55:30,293 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:55:26" (3/4) ... [2020-11-22 12:55:30,299 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 12:55:30,323 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-22 12:55:30,323 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-22 12:55:30,324 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-22 12:55:30,325 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-22 12:55:30,325 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-22 12:55:30,326 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 12:55:30,327 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 12:55:30,361 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2020-11-22 12:55:30,416 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c06700f2-0b3e-4a0e-ae45-2dcdf7bae433/bin/utaipan/witness.graphml [2020-11-22 12:55:30,416 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 12:55:30,417 INFO L168 Benchmark]: Toolchain (without parser) took 7985.00 ms. Allocated memory was 58.7 MB in the beginning and 94.4 MB in the end (delta: 35.7 MB). Free memory was 36.7 MB in the beginning and 64.4 MB in the end (delta: -27.8 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. [2020-11-22 12:55:30,418 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 58.7 MB. Free memory was 40.8 MB in the beginning and 40.8 MB in the end (delta: 25.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:55:30,418 INFO L168 Benchmark]: CACSL2BoogieTranslator took 867.70 ms. Allocated memory is still 58.7 MB. Free memory was 36.5 MB in the beginning and 27.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-22 12:55:30,419 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.04 ms. Allocated memory is still 58.7 MB. Free memory was 27.1 MB in the beginning and 24.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:55:30,419 INFO L168 Benchmark]: Boogie Preprocessor took 82.14 ms. Allocated memory was 58.7 MB in the beginning and 77.6 MB in the end (delta: 18.9 MB). Free memory was 24.4 MB in the beginning and 59.6 MB in the end (delta: -35.2 MB). Peak memory consumption was 4.7 MB. Max. memory is 16.1 GB. [2020-11-22 12:55:30,420 INFO L168 Benchmark]: RCFGBuilder took 2815.23 ms. Allocated memory is still 77.6 MB. Free memory was 59.6 MB in the beginning and 55.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 16.1 GB. [2020-11-22 12:55:30,420 INFO L168 Benchmark]: TraceAbstraction took 4017.30 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 55.4 MB in the beginning and 69.6 MB in the end (delta: -14.2 MB). Peak memory consumption was 47.3 MB. Max. memory is 16.1 GB. [2020-11-22 12:55:30,421 INFO L168 Benchmark]: Witness Printer took 123.70 ms. Allocated memory is still 94.4 MB. Free memory was 69.6 MB in the beginning and 64.4 MB in the end (delta: 5.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-22 12:55:30,423 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 58.7 MB. Free memory was 40.8 MB in the beginning and 40.8 MB in the end (delta: 25.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 867.70 ms. Allocated memory is still 58.7 MB. Free memory was 36.5 MB in the beginning and 27.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 67.04 ms. Allocated memory is still 58.7 MB. Free memory was 27.1 MB in the beginning and 24.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 82.14 ms. Allocated memory was 58.7 MB in the beginning and 77.6 MB in the end (delta: 18.9 MB). Free memory was 24.4 MB in the beginning and 59.6 MB in the end (delta: -35.2 MB). Peak memory consumption was 4.7 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2815.23 ms. Allocated memory is still 77.6 MB. Free memory was 59.6 MB in the beginning and 55.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4017.30 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 55.4 MB in the beginning and 69.6 MB in the end (delta: -14.2 MB). Peak memory consumption was 47.3 MB. Max. memory is 16.1 GB. * Witness Printer took 123.70 ms. Allocated memory is still 94.4 MB. Free memory was 69.6 MB in the beginning and 64.4 MB in the end (delta: 5.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 463]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 806]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 629]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 470]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 470]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 470]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 66 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 287 SDtfs, 295 SDslu, 370 SDs, 0 SdLazy, 47 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 218 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 116 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 27 LocationsWithAnnotation, 27 PreInvPairs, 113 NumberOfFragments, 128 HoareAnnotationTreeSize, 27 FomulaSimplifications, 3987 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 27 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 210 ConstructedInterpolants, 0 QuantifiedInterpolants, 9538 SizeOfPredicates, 8 NumberOfNonLiveVariables, 986 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...