./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b9c3eed2-f1ea-4b77-95b4-33c584037414/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b9c3eed2-f1ea-4b77-95b4-33c584037414/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b9c3eed2-f1ea-4b77-95b4-33c584037414/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b9c3eed2-f1ea-4b77-95b4-33c584037414/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b9c3eed2-f1ea-4b77-95b4-33c584037414/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b9c3eed2-f1ea-4b77-95b4-33c584037414/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 4f7d1f008fc605da9360b12daa11bcbc7acf8dd3 ........................................................................................................................................... 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_b9c3eed2-f1ea-4b77-95b4-33c584037414/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b9c3eed2-f1ea-4b77-95b4-33c584037414/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b9c3eed2-f1ea-4b77-95b4-33c584037414/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b9c3eed2-f1ea-4b77-95b4-33c584037414/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b9c3eed2-f1ea-4b77-95b4-33c584037414/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b9c3eed2-f1ea-4b77-95b4-33c584037414/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 4f7d1f008fc605da9360b12daa11bcbc7acf8dd3 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 10:46:36,211 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 10:46:36,213 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 10:46:36,234 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 10:46:36,234 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 10:46:36,235 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 10:46:36,237 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 10:46:36,238 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 10:46:36,240 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 10:46:36,241 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 10:46:36,242 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 10:46:36,243 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 10:46:36,243 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 10:46:36,244 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 10:46:36,245 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 10:46:36,246 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 10:46:36,247 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 10:46:36,248 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 10:46:36,249 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 10:46:36,251 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 10:46:36,252 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 10:46:36,254 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 10:46:36,255 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 10:46:36,256 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 10:46:36,258 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 10:46:36,259 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 10:46:36,259 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 10:46:36,260 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 10:46:36,261 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 10:46:36,261 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 10:46:36,262 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 10:46:36,262 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 10:46:36,263 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 10:46:36,264 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 10:46:36,265 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 10:46:36,265 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 10:46:36,265 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 10:46:36,265 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 10:46:36,266 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 10:46:36,266 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 10:46:36,267 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 10:46:36,267 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b9c3eed2-f1ea-4b77-95b4-33c584037414/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 10:46:36,284 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 10:46:36,285 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 10:46:36,285 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 10:46:36,285 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 10:46:36,285 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 10:46:36,286 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 10:46:36,286 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 10:46:36,286 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 10:46:36,286 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 10:46:36,286 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 10:46:36,286 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 10:46:36,286 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 10:46:36,286 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 10:46:36,287 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 10:46:36,287 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 10:46:36,287 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 10:46:36,287 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 10:46:36,287 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 10:46:36,288 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 10:46:36,288 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 10:46:36,288 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 10:46:36,288 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 10:46:36,288 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 10:46:36,288 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 10:46:36,288 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 10:46:36,288 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 10:46:36,289 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 10:46:36,289 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 10:46:36,289 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 10:46:36,289 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 10:46:36,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 10:46:36,289 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 10:46:36,289 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 10:46:36,289 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 10:46:36,290 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 10:46:36,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 10:46:36,290 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 10:46:36,290 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 10:46:36,290 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 10:46:36,290 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_b9c3eed2-f1ea-4b77-95b4-33c584037414/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b9c3eed2-f1ea-4b77-95b4-33c584037414/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f7d1f008fc605da9360b12daa11bcbc7acf8dd3 [2020-12-09 10:46:36,468 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 10:46:36,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 10:46:36,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 10:46:36,491 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 10:46:36,491 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 10:46:36,492 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b9c3eed2-f1ea-4b77-95b4-33c584037414/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c [2020-12-09 10:46:36,538 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b9c3eed2-f1ea-4b77-95b4-33c584037414/bin/utaipan/data/53f4b30e2/76f4301c94544842a28067aef269d604/FLAGfb3fb1290 [2020-12-09 10:46:36,937 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 10:46:36,937 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b9c3eed2-f1ea-4b77-95b4-33c584037414/sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c [2020-12-09 10:46:36,946 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b9c3eed2-f1ea-4b77-95b4-33c584037414/bin/utaipan/data/53f4b30e2/76f4301c94544842a28067aef269d604/FLAGfb3fb1290 [2020-12-09 10:46:36,955 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b9c3eed2-f1ea-4b77-95b4-33c584037414/bin/utaipan/data/53f4b30e2/76f4301c94544842a28067aef269d604 [2020-12-09 10:46:36,956 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 10:46:36,957 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 10:46:36,958 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 10:46:36,958 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 10:46:36,960 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 10:46:36,961 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:46:36" (1/1) ... [2020-12-09 10:46:36,962 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26255e09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:46:36, skipping insertion in model container [2020-12-09 10:46:36,962 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:46:36" (1/1) ... [2020-12-09 10:46:36,967 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 10:46:36,994 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 10:46:37,135 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_b9c3eed2-f1ea-4b77-95b4-33c584037414/sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c[4222,4235] [2020-12-09 10:46:37,200 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 10:46:37,208 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) [2020-12-09 10:46:37,208 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@172175a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:46:37, skipping insertion in model container [2020-12-09 10:46:37,209 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 10:46:37,209 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-09 10:46:37,210 INFO L168 Benchmark]: Toolchain (without parser) took 252.22 ms. Allocated memory is still 90.2 MB. Free memory was 66.8 MB in the beginning and 66.7 MB in the end (delta: 78.7 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-09 10:46:37,211 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 90.2 MB. Free memory is still 63.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 10:46:37,212 INFO L168 Benchmark]: CACSL2BoogieTranslator took 250.77 ms. Allocated memory is still 90.2 MB. Free memory was 66.6 MB in the beginning and 66.7 MB in the end (delta: -116.4 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-09 10:46:37,213 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 90.2 MB. Free memory is still 63.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 250.77 ms. Allocated memory is still 90.2 MB. Free memory was 66.6 MB in the beginning and 66.7 MB in the end (delta: -116.4 kB). 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: 370]: 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 0.2.0-7b2dab5 [2020-12-09 10:46:38,517 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 10:46:38,518 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 10:46:38,540 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 10:46:38,541 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 10:46:38,542 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 10:46:38,543 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 10:46:38,545 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 10:46:38,547 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 10:46:38,548 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 10:46:38,549 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 10:46:38,550 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 10:46:38,550 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 10:46:38,551 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 10:46:38,552 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 10:46:38,553 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 10:46:38,554 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 10:46:38,554 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 10:46:38,556 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 10:46:38,558 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 10:46:38,559 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 10:46:38,561 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 10:46:38,562 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 10:46:38,563 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 10:46:38,567 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 10:46:38,567 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 10:46:38,568 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 10:46:38,569 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 10:46:38,569 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 10:46:38,570 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 10:46:38,571 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 10:46:38,571 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 10:46:38,572 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 10:46:38,573 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 10:46:38,574 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 10:46:38,575 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 10:46:38,575 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 10:46:38,576 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 10:46:38,576 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 10:46:38,577 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 10:46:38,577 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 10:46:38,578 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b9c3eed2-f1ea-4b77-95b4-33c584037414/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-09 10:46:38,607 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 10:46:38,607 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 10:46:38,608 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 10:46:38,608 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 10:46:38,608 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 10:46:38,609 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 10:46:38,609 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 10:46:38,609 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 10:46:38,609 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 10:46:38,610 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 10:46:38,610 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 10:46:38,610 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 10:46:38,610 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 10:46:38,610 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 10:46:38,611 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 10:46:38,611 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 10:46:38,611 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 10:46:38,611 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 10:46:38,611 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 10:46:38,611 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 10:46:38,611 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 10:46:38,611 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 10:46:38,612 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 10:46:38,612 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 10:46:38,612 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 10:46:38,612 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 10:46:38,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 10:46:38,612 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 10:46:38,613 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 10:46:38,613 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 10:46:38,613 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 10:46:38,613 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 10:46:38,613 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 10:46:38,613 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 10:46:38,613 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 10:46:38,613 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_b9c3eed2-f1ea-4b77-95b4-33c584037414/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b9c3eed2-f1ea-4b77-95b4-33c584037414/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f7d1f008fc605da9360b12daa11bcbc7acf8dd3 [2020-12-09 10:46:38,854 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 10:46:38,874 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 10:46:38,876 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 10:46:38,877 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 10:46:38,878 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 10:46:38,879 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b9c3eed2-f1ea-4b77-95b4-33c584037414/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c [2020-12-09 10:46:38,922 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b9c3eed2-f1ea-4b77-95b4-33c584037414/bin/utaipan/data/02db0b397/11f8509f63914d47ac39a2ad0ea53574/FLAG3a0751e37 [2020-12-09 10:46:39,371 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 10:46:39,372 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b9c3eed2-f1ea-4b77-95b4-33c584037414/sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c [2020-12-09 10:46:39,381 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b9c3eed2-f1ea-4b77-95b4-33c584037414/bin/utaipan/data/02db0b397/11f8509f63914d47ac39a2ad0ea53574/FLAG3a0751e37 [2020-12-09 10:46:39,391 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b9c3eed2-f1ea-4b77-95b4-33c584037414/bin/utaipan/data/02db0b397/11f8509f63914d47ac39a2ad0ea53574 [2020-12-09 10:46:39,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 10:46:39,393 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 10:46:39,394 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 10:46:39,394 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 10:46:39,397 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 10:46:39,397 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:46:39" (1/1) ... [2020-12-09 10:46:39,399 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f5b8e2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:46:39, skipping insertion in model container [2020-12-09 10:46:39,399 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:46:39" (1/1) ... [2020-12-09 10:46:39,406 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 10:46:39,441 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 10:46:39,573 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_b9c3eed2-f1ea-4b77-95b4-33c584037414/sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c[4222,4235] [2020-12-09 10:46:39,630 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 10:46:39,647 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-12-09 10:46:39,653 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 10:46:39,677 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_b9c3eed2-f1ea-4b77-95b4-33c584037414/sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c[4222,4235] [2020-12-09 10:46:39,707 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 10:46:39,711 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 10:46:39,732 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_b9c3eed2-f1ea-4b77-95b4-33c584037414/sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c[4222,4235] [2020-12-09 10:46:39,757 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 10:46:39,779 INFO L208 MainTranslator]: Completed translation [2020-12-09 10:46:39,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:46:39 WrapperNode [2020-12-09 10:46:39,779 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 10:46:39,780 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 10:46:39,780 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 10:46:39,780 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 10:46:39,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:46:39" (1/1) ... [2020-12-09 10:46:39,799 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:46:39" (1/1) ... [2020-12-09 10:46:39,821 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 10:46:39,822 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 10:46:39,822 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 10:46:39,822 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 10:46:39,828 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:46:39" (1/1) ... [2020-12-09 10:46:39,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:46:39" (1/1) ... [2020-12-09 10:46:39,832 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:46:39" (1/1) ... [2020-12-09 10:46:39,832 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:46:39" (1/1) ... [2020-12-09 10:46:39,840 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:46:39" (1/1) ... [2020-12-09 10:46:39,844 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:46:39" (1/1) ... [2020-12-09 10:46:39,846 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:46:39" (1/1) ... [2020-12-09 10:46:39,849 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 10:46:39,850 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 10:46:39,850 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 10:46:39,850 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 10:46:39,851 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:46:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b9c3eed2-f1ea-4b77-95b4-33c584037414/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 [2020-12-09 10:46:39,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 10:46:39,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 10:46:39,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 10:46:39,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 10:46:41,605 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 10:46:41,605 INFO L299 CfgBuilder]: Removed 96 assume(true) statements. [2020-12-09 10:46:41,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:46:41 BoogieIcfgContainer [2020-12-09 10:46:41,606 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 10:46:41,607 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 10:46:41,608 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 10:46:41,610 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 10:46:41,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 10:46:39" (1/3) ... [2020-12-09 10:46:41,610 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7afa2a33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:46:41, skipping insertion in model container [2020-12-09 10:46:41,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:46:39" (2/3) ... [2020-12-09 10:46:41,611 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7afa2a33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:46:41, skipping insertion in model container [2020-12-09 10:46:41,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:46:41" (3/3) ... [2020-12-09 10:46:41,612 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product05.cil.c [2020-12-09 10:46:41,621 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 10:46:41,624 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-09 10:46:41,631 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-09 10:46:41,648 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 10:46:41,648 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 10:46:41,648 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 10:46:41,648 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 10:46:41,649 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 10:46:41,649 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 10:46:41,649 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 10:46:41,649 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 10:46:41,658 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states. [2020-12-09 10:46:41,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-09 10:46:41,662 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:46:41,662 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 10:46:41,663 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:46:41,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:46:41,667 INFO L82 PathProgramCache]: Analyzing trace with hash -196866246, now seen corresponding path program 1 times [2020-12-09 10:46:41,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 10:46:41,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1250183280] [2020-12-09 10:46:41,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b9c3eed2-f1ea-4b77-95b4-33c584037414/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 [2020-12-09 10:46:41,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:46:41,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-09 10:46:41,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 10:46:41,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:46:41,859 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 10:46:41,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1250183280] [2020-12-09 10:46:41,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:46:41,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 10:46:41,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069641826] [2020-12-09 10:46:41,863 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 10:46:41,863 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 10:46:41,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 10:46:41,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 10:46:41,873 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 2 states. [2020-12-09 10:46:41,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:46:41,889 INFO L93 Difference]: Finished difference Result 132 states and 197 transitions. [2020-12-09 10:46:41,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 10:46:41,890 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-12-09 10:46:41,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:46:41,897 INFO L225 Difference]: With dead ends: 132 [2020-12-09 10:46:41,897 INFO L226 Difference]: Without dead ends: 65 [2020-12-09 10:46:41,899 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 10:46:41,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-12-09 10:46:41,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2020-12-09 10:46:41,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-12-09 10:46:41,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2020-12-09 10:46:41,926 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 90 transitions. Word has length 16 [2020-12-09 10:46:41,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:46:41,926 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 90 transitions. [2020-12-09 10:46:41,927 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 10:46:41,927 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2020-12-09 10:46:41,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-09 10:46:41,927 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:46:41,928 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 10:46:42,128 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 10:46:42,129 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:46:42,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:46:42,130 INFO L82 PathProgramCache]: Analyzing trace with hash -1243623143, now seen corresponding path program 1 times [2020-12-09 10:46:42,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 10:46:42,130 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1604332115] [2020-12-09 10:46:42,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b9c3eed2-f1ea-4b77-95b4-33c584037414/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 [2020-12-09 10:46:42,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:46:42,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 10:46:42,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 10:46:42,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:46:42,298 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 10:46:42,299 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1604332115] [2020-12-09 10:46:42,299 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:46:42,299 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 10:46:42,299 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630621628] [2020-12-09 10:46:42,300 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 10:46:42,301 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 10:46:42,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 10:46:42,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:46:42,302 INFO L87 Difference]: Start difference. First operand 65 states and 90 transitions. Second operand 3 states. [2020-12-09 10:46:42,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:46:42,311 INFO L93 Difference]: Finished difference Result 65 states and 90 transitions. [2020-12-09 10:46:42,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 10:46:42,312 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-12-09 10:46:42,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:46:42,313 INFO L225 Difference]: With dead ends: 65 [2020-12-09 10:46:42,313 INFO L226 Difference]: Without dead ends: 31 [2020-12-09 10:46:42,314 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:46:42,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-12-09 10:46:42,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-12-09 10:46:42,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-12-09 10:46:42,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2020-12-09 10:46:42,319 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 17 [2020-12-09 10:46:42,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:46:42,319 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2020-12-09 10:46:42,319 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 10:46:42,319 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2020-12-09 10:46:42,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-09 10:46:42,320 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:46:42,320 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] [2020-12-09 10:46:42,521 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-09 10:46:42,521 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:46:42,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:46:42,522 INFO L82 PathProgramCache]: Analyzing trace with hash -1744986874, now seen corresponding path program 1 times [2020-12-09 10:46:42,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 10:46:42,524 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [935770769] [2020-12-09 10:46:42,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b9c3eed2-f1ea-4b77-95b4-33c584037414/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 [2020-12-09 10:46:42,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:46:42,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 10:46:42,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 10:46:42,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:46:42,786 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 10:46:42,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [935770769] [2020-12-09 10:46:42,786 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:46:42,786 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 10:46:42,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35433830] [2020-12-09 10:46:42,787 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 10:46:42,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 10:46:42,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 10:46:42,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:46:42,788 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 3 states. [2020-12-09 10:46:42,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:46:42,796 INFO L93 Difference]: Finished difference Result 56 states and 80 transitions. [2020-12-09 10:46:42,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 10:46:42,796 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-12-09 10:46:42,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:46:42,797 INFO L225 Difference]: With dead ends: 56 [2020-12-09 10:46:42,797 INFO L226 Difference]: Without dead ends: 31 [2020-12-09 10:46:42,798 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:46:42,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-12-09 10:46:42,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-12-09 10:46:42,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-12-09 10:46:42,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2020-12-09 10:46:42,803 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 42 transitions. Word has length 22 [2020-12-09 10:46:42,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:46:42,803 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 42 transitions. [2020-12-09 10:46:42,803 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 10:46:42,804 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2020-12-09 10:46:42,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-09 10:46:42,804 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:46:42,805 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] [2020-12-09 10:46:43,005 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-09 10:46:43,006 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:46:43,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:46:43,008 INFO L82 PathProgramCache]: Analyzing trace with hash 75210305, now seen corresponding path program 1 times [2020-12-09 10:46:43,010 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 10:46:43,011 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [80639308] [2020-12-09 10:46:43,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b9c3eed2-f1ea-4b77-95b4-33c584037414/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 [2020-12-09 10:46:43,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:46:43,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-09 10:46:43,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 10:46:43,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:46:43,241 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 10:46:43,242 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [80639308] [2020-12-09 10:46:43,242 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:46:43,242 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-09 10:46:43,242 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12584706] [2020-12-09 10:46:43,242 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 10:46:43,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 10:46:43,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 10:46:43,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-09 10:46:43,243 INFO L87 Difference]: Start difference. First operand 31 states and 42 transitions. Second operand 5 states. [2020-12-09 10:46:43,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:46:43,334 INFO L93 Difference]: Finished difference Result 132 states and 195 transitions. [2020-12-09 10:46:43,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-09 10:46:43,335 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-12-09 10:46:43,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:46:43,336 INFO L225 Difference]: With dead ends: 132 [2020-12-09 10:46:43,336 INFO L226 Difference]: Without dead ends: 107 [2020-12-09 10:46:43,336 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-09 10:46:43,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-12-09 10:46:43,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 52. [2020-12-09 10:46:43,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-12-09 10:46:43,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 72 transitions. [2020-12-09 10:46:43,344 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 72 transitions. Word has length 23 [2020-12-09 10:46:43,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:46:43,344 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 72 transitions. [2020-12-09 10:46:43,344 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 10:46:43,344 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 72 transitions. [2020-12-09 10:46:43,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-09 10:46:43,345 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:46:43,345 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] [2020-12-09 10:46:43,545 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-09 10:46:43,547 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:46:43,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:46:43,548 INFO L82 PathProgramCache]: Analyzing trace with hash 2028068683, now seen corresponding path program 1 times [2020-12-09 10:46:43,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 10:46:43,551 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [376981349] [2020-12-09 10:46:43,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b9c3eed2-f1ea-4b77-95b4-33c584037414/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 [2020-12-09 10:46:43,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:46:43,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-09 10:46:43,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 10:46:43,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:46:43,734 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 10:46:43,735 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [376981349] [2020-12-09 10:46:43,735 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:46:43,735 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-09 10:46:43,735 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963391209] [2020-12-09 10:46:43,735 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 10:46:43,735 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 10:46:43,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 10:46:43,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-09 10:46:43,736 INFO L87 Difference]: Start difference. First operand 52 states and 72 transitions. Second operand 5 states. [2020-12-09 10:46:43,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:46:43,793 INFO L93 Difference]: Finished difference Result 144 states and 209 transitions. [2020-12-09 10:46:43,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 10:46:43,793 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-12-09 10:46:43,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:46:43,794 INFO L225 Difference]: With dead ends: 144 [2020-12-09 10:46:43,794 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 10:46:43,795 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-09 10:46:43,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 10:46:43,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 10:46:43,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 10:46:43,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 10:46:43,795 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-12-09 10:46:43,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:46:43,795 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 10:46:43,795 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 10:46:43,795 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 10:46:43,795 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 10:46:43,996 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-12-09 10:46:44,001 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 10:46:44,325 INFO L265 CegarLoopResult]: At program point L828(lines 809 831) the Hoare annotation is: true [2020-12-09 10:46:44,326 INFO L258 CegarLoopResult]: At program point L217(lines 210 220) the Hoare annotation is: false [2020-12-09 10:46:44,326 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 271) no Hoare annotation was computed. [2020-12-09 10:46:44,326 INFO L258 CegarLoopResult]: At program point L217-1(lines 210 220) the Hoare annotation is: false [2020-12-09 10:46:44,326 INFO L258 CegarLoopResult]: At program point L217-2(lines 210 220) the Hoare annotation is: false [2020-12-09 10:46:44,326 INFO L258 CegarLoopResult]: At program point L333(lines 286 334) the Hoare annotation is: false [2020-12-09 10:46:44,326 INFO L262 CegarLoopResult]: For program point L746(line 746) no Hoare annotation was computed. [2020-12-09 10:46:44,326 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 10:46:44,326 INFO L262 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-12-09 10:46:44,326 INFO L258 CegarLoopResult]: At program point L863(lines 858 866) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 10:46:44,327 INFO L262 CegarLoopResult]: For program point L54(lines 54 58) no Hoare annotation was computed. [2020-12-09 10:46:44,327 INFO L262 CegarLoopResult]: For program point L54-3(lines 54 58) no Hoare annotation was computed. [2020-12-09 10:46:44,327 INFO L262 CegarLoopResult]: For program point L54-6(lines 54 58) no Hoare annotation was computed. [2020-12-09 10:46:44,327 INFO L262 CegarLoopResult]: For program point L749(lines 749 753) no Hoare annotation was computed. [2020-12-09 10:46:44,327 INFO L262 CegarLoopResult]: For program point L716(lines 716 729) no Hoare annotation was computed. [2020-12-09 10:46:44,327 INFO L262 CegarLoopResult]: For program point L749-1(lines 141 147) no Hoare annotation was computed. [2020-12-09 10:46:44,327 INFO L258 CegarLoopResult]: At program point L716-1(lines 1 866) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 10:46:44,327 INFO L262 CegarLoopResult]: For program point L716-2(lines 716 729) no Hoare annotation was computed. [2020-12-09 10:46:44,327 INFO L258 CegarLoopResult]: At program point L716-3(lines 1 866) the Hoare annotation is: false [2020-12-09 10:46:44,327 INFO L262 CegarLoopResult]: For program point L716-4(lines 716 729) no Hoare annotation was computed. [2020-12-09 10:46:44,328 INFO L258 CegarLoopResult]: At program point L716-5(lines 1 866) the Hoare annotation is: false [2020-12-09 10:46:44,328 INFO L262 CegarLoopResult]: For program point L271(line 271) no Hoare annotation was computed. [2020-12-09 10:46:44,328 INFO L262 CegarLoopResult]: For program point L271-1(line 271) no Hoare annotation was computed. [2020-12-09 10:46:44,328 INFO L262 CegarLoopResult]: For program point L271-2(line 271) no Hoare annotation was computed. [2020-12-09 10:46:44,328 INFO L262 CegarLoopResult]: For program point L288(lines 287 332) no Hoare annotation was computed. [2020-12-09 10:46:44,328 INFO L262 CegarLoopResult]: For program point L173(lines 173 190) no Hoare annotation was computed. [2020-12-09 10:46:44,328 INFO L262 CegarLoopResult]: For program point L173-1(lines 173 190) no Hoare annotation was computed. [2020-12-09 10:46:44,328 INFO L262 CegarLoopResult]: For program point L173-2(lines 173 190) no Hoare annotation was computed. [2020-12-09 10:46:44,328 INFO L262 CegarLoopResult]: For program point L289(lines 289 293) no Hoare annotation was computed. [2020-12-09 10:46:44,328 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 10:46:44,328 INFO L258 CegarLoopResult]: At program point L91(lines 86 94) the Hoare annotation is: false [2020-12-09 10:46:44,329 INFO L258 CegarLoopResult]: At program point L91-1(lines 86 94) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 10:46:44,329 INFO L258 CegarLoopResult]: At program point L91-2(lines 86 94) the Hoare annotation is: false [2020-12-09 10:46:44,329 INFO L258 CegarLoopResult]: At program point L91-3(lines 86 94) the Hoare annotation is: false [2020-12-09 10:46:44,329 INFO L258 CegarLoopResult]: At program point L91-4(lines 86 94) the Hoare annotation is: false [2020-12-09 10:46:44,329 INFO L258 CegarLoopResult]: At program point L91-5(lines 86 94) the Hoare annotation is: false [2020-12-09 10:46:44,329 INFO L258 CegarLoopResult]: At program point L141(lines 140 159) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 10:46:44,329 INFO L262 CegarLoopResult]: For program point L141-1(lines 141 147) no Hoare annotation was computed. [2020-12-09 10:46:44,329 INFO L258 CegarLoopResult]: At program point L141-2(lines 140 159) the Hoare annotation is: false [2020-12-09 10:46:44,329 INFO L258 CegarLoopResult]: At program point L141-3(lines 140 159) the Hoare annotation is: false [2020-12-09 10:46:44,329 INFO L262 CegarLoopResult]: For program point L323(lines 323 327) no Hoare annotation was computed. [2020-12-09 10:46:44,329 INFO L262 CegarLoopResult]: For program point L323-2(lines 141 147) no Hoare annotation was computed. [2020-12-09 10:46:44,329 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 271) no Hoare annotation was computed. [2020-12-09 10:46:44,330 INFO L262 CegarLoopResult]: For program point L819(lines 819 826) no Hoare annotation was computed. [2020-12-09 10:46:44,330 INFO L262 CegarLoopResult]: For program point L307(lines 307 313) no Hoare annotation was computed. [2020-12-09 10:46:44,330 INFO L258 CegarLoopResult]: At program point L307-1(lines 307 313) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 10:46:44,330 INFO L265 CegarLoopResult]: At program point L819-1(lines 819 826) the Hoare annotation is: true [2020-12-09 10:46:44,330 INFO L262 CegarLoopResult]: For program point L720(lines 720 726) no Hoare annotation was computed. [2020-12-09 10:46:44,330 INFO L262 CegarLoopResult]: For program point L720-2(lines 720 726) no Hoare annotation was computed. [2020-12-09 10:46:44,330 INFO L262 CegarLoopResult]: For program point L720-4(lines 720 726) no Hoare annotation was computed. [2020-12-09 10:46:44,330 INFO L258 CegarLoopResult]: At program point L226(lines 221 229) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 10:46:44,330 INFO L258 CegarLoopResult]: At program point L226-1(lines 221 229) the Hoare annotation is: false [2020-12-09 10:46:44,330 INFO L258 CegarLoopResult]: At program point L226-2(lines 221 229) the Hoare annotation is: false [2020-12-09 10:46:44,330 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-09 10:46:44,330 INFO L262 CegarLoopResult]: For program point L177(lines 177 185) no Hoare annotation was computed. [2020-12-09 10:46:44,331 INFO L262 CegarLoopResult]: For program point L177-1(lines 177 185) no Hoare annotation was computed. [2020-12-09 10:46:44,331 INFO L262 CegarLoopResult]: For program point L177-2(lines 177 185) no Hoare annotation was computed. [2020-12-09 10:46:44,331 INFO L262 CegarLoopResult]: For program point L78(lines 78 82) no Hoare annotation was computed. [2020-12-09 10:46:44,331 INFO L258 CegarLoopResult]: At program point L855(lines 1 866) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 10:46:44,331 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-09 10:46:44,331 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 271) no Hoare annotation was computed. [2020-12-09 10:46:44,331 INFO L258 CegarLoopResult]: At program point L148(lines 148 154) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 10:46:44,331 INFO L258 CegarLoopResult]: At program point L148-1(lines 148 154) the Hoare annotation is: false [2020-12-09 10:46:44,331 INFO L258 CegarLoopResult]: At program point L148-2(lines 148 154) the Hoare annotation is: false [2020-12-09 10:46:44,331 INFO L262 CegarLoopResult]: For program point L297(lines 297 303) no Hoare annotation was computed. [2020-12-09 10:46:44,331 INFO L258 CegarLoopResult]: At program point L297-1(lines 297 303) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 10:46:44,332 INFO L262 CegarLoopResult]: For program point L66(lines 66 70) no Hoare annotation was computed. [2020-12-09 10:46:44,332 INFO L258 CegarLoopResult]: At program point L793(lines 789 795) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 10:46:44,332 INFO L258 CegarLoopResult]: At program point L745-2(lines 745 759) the Hoare annotation is: false [2020-12-09 10:46:44,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 10:46:44 BoogieIcfgContainer [2020-12-09 10:46:44,344 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 10:46:44,344 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 10:46:44,344 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 10:46:44,344 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 10:46:44,345 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:46:41" (3/4) ... [2020-12-09 10:46:44,347 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 10:46:44,356 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-09 10:46:44,357 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-09 10:46:44,357 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-09 10:46:44,358 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-09 10:46:44,358 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-09 10:46:44,359 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 10:46:44,359 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 10:46:44,378 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2020-12-09 10:46:44,408 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b9c3eed2-f1ea-4b77-95b4-33c584037414/bin/utaipan/witness.graphml [2020-12-09 10:46:44,409 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 10:46:44,410 INFO L168 Benchmark]: Toolchain (without parser) took 5015.55 ms. Allocated memory was 58.7 MB in the beginning and 77.6 MB in the end (delta: 18.9 MB). Free memory was 39.4 MB in the beginning and 47.3 MB in the end (delta: -7.9 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. [2020-12-09 10:46:44,410 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 58.7 MB. Free memory was 41.5 MB in the beginning and 41.4 MB in the end (delta: 83.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 10:46:44,410 INFO L168 Benchmark]: CACSL2BoogieTranslator took 385.36 ms. Allocated memory was 58.7 MB in the beginning and 77.6 MB in the end (delta: 18.9 MB). Free memory was 39.2 MB in the beginning and 48.2 MB in the end (delta: -9.0 MB). Peak memory consumption was 14.5 MB. Max. memory is 16.1 GB. [2020-12-09 10:46:44,411 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.03 ms. Allocated memory is still 77.6 MB. Free memory was 48.2 MB in the beginning and 45.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 10:46:44,411 INFO L168 Benchmark]: Boogie Preprocessor took 27.78 ms. Allocated memory is still 77.6 MB. Free memory was 45.4 MB in the beginning and 43.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 10:46:44,411 INFO L168 Benchmark]: RCFGBuilder took 1756.35 ms. Allocated memory is still 77.6 MB. Free memory was 43.0 MB in the beginning and 54.2 MB in the end (delta: -11.2 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. [2020-12-09 10:46:44,411 INFO L168 Benchmark]: TraceAbstraction took 2736.29 ms. Allocated memory is still 77.6 MB. Free memory was 53.7 MB in the beginning and 53.0 MB in the end (delta: 711.0 kB). Peak memory consumption was 26.6 MB. Max. memory is 16.1 GB. [2020-12-09 10:46:44,412 INFO L168 Benchmark]: Witness Printer took 64.58 ms. Allocated memory is still 77.6 MB. Free memory was 53.0 MB in the beginning and 47.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-09 10:46:44,413 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 58.7 MB. Free memory was 41.5 MB in the beginning and 41.4 MB in the end (delta: 83.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 385.36 ms. Allocated memory was 58.7 MB in the beginning and 77.6 MB in the end (delta: 18.9 MB). Free memory was 39.2 MB in the beginning and 48.2 MB in the end (delta: -9.0 MB). Peak memory consumption was 14.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 41.03 ms. Allocated memory is still 77.6 MB. Free memory was 48.2 MB in the beginning and 45.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 27.78 ms. Allocated memory is still 77.6 MB. Free memory was 45.4 MB in the beginning and 43.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1756.35 ms. Allocated memory is still 77.6 MB. Free memory was 43.0 MB in the beginning and 54.2 MB in the end (delta: -11.2 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2736.29 ms. Allocated memory is still 77.6 MB. Free memory was 53.7 MB in the beginning and 53.0 MB in the end (delta: 711.0 kB). Peak memory consumption was 26.6 MB. Max. memory is 16.1 GB. * Witness Printer took 64.58 ms. Allocated memory is still 77.6 MB. Free memory was 53.0 MB in the beginning and 47.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 271]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 271]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 271]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 789]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 809]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 286]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 69 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 286 SDtfs, 278 SDslu, 233 SDs, 0 SdLazy, 53 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 105 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 55 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 30 PreInvPairs, 65 NumberOfFragments, 143 HoareAnnotationTreeSize, 30 FomulaSimplifications, 1026 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 30 FomulaSimplificationsInter, 212 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 4417 SizeOfPredicates, 7 NumberOfNonLiveVariables, 973 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...