./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product12.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_6d573be2-159a-497d-9abb-bb66431fc77c/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_6d573be2-159a-497d-9abb-bb66431fc77c/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6d573be2-159a-497d-9abb-bb66431fc77c/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6d573be2-159a-497d-9abb-bb66431fc77c/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product12.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6d573be2-159a-497d-9abb-bb66431fc77c/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6d573be2-159a-497d-9abb-bb66431fc77c/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 3277d87fee4d1f5b2f894e9c3d1b5ae65d241aee ............................................................................................................................................ 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_6d573be2-159a-497d-9abb-bb66431fc77c/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_6d573be2-159a-497d-9abb-bb66431fc77c/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6d573be2-159a-497d-9abb-bb66431fc77c/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6d573be2-159a-497d-9abb-bb66431fc77c/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product12.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6d573be2-159a-497d-9abb-bb66431fc77c/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6d573be2-159a-497d-9abb-bb66431fc77c/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 3277d87fee4d1f5b2f894e9c3d1b5ae65d241aee ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 12:59:11,076 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:59:11,080 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:59:11,117 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:59:11,118 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:59:11,119 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:59:11,121 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:59:11,123 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:59:11,125 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:59:11,126 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:59:11,128 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:59:11,129 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:59:11,130 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:59:11,131 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:59:11,132 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:59:11,134 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:59:11,135 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:59:11,136 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:59:11,138 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:59:11,140 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:59:11,142 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:59:11,144 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:59:11,145 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:59:11,146 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:59:11,150 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:59:11,151 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:59:11,151 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:59:11,152 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:59:11,153 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:59:11,154 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:59:11,154 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:59:11,155 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:59:11,156 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:59:11,157 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:59:11,158 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:59:11,159 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:59:11,160 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:59:11,160 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:59:11,160 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:59:11,161 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:59:11,162 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:59:11,163 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6d573be2-159a-497d-9abb-bb66431fc77c/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 12:59:11,204 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:59:11,204 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:59:11,205 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:59:11,205 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:59:11,205 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:59:11,206 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:59:11,206 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 12:59:11,206 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:59:11,206 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:59:11,206 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 12:59:11,206 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 12:59:11,207 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:59:11,207 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 12:59:11,207 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 12:59:11,207 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 12:59:11,208 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:59:11,208 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:59:11,208 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 12:59:11,209 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:59:11,209 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:59:11,209 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:59:11,227 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:59:11,227 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:59:11,227 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:59:11,228 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:59:11,228 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:59:11,228 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:59:11,228 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:59:11,228 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:59:11,229 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:59:11,229 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:59:11,229 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:59:11,229 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:59:11,229 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:59:11,230 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:59:11,230 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 12:59:11,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 12:59:11,230 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:59:11,230 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:59:11,230 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:59:11,231 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_6d573be2-159a-497d-9abb-bb66431fc77c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6d573be2-159a-497d-9abb-bb66431fc77c/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3277d87fee4d1f5b2f894e9c3d1b5ae65d241aee [2020-11-22 12:59:11,463 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:59:11,483 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:59:11,486 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:59:11,487 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:59:11,488 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:59:11,488 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6d573be2-159a-497d-9abb-bb66431fc77c/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product12.cil.c [2020-11-22 12:59:11,560 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6d573be2-159a-497d-9abb-bb66431fc77c/bin/utaipan/data/7c5a6b57c/56f34c5381494ca9815b5ab29142c080/FLAGd873c6903 [2020-11-22 12:59:12,174 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:59:12,177 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6d573be2-159a-497d-9abb-bb66431fc77c/sv-benchmarks/c/product-lines/minepump_spec1_product12.cil.c [2020-11-22 12:59:12,194 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6d573be2-159a-497d-9abb-bb66431fc77c/bin/utaipan/data/7c5a6b57c/56f34c5381494ca9815b5ab29142c080/FLAGd873c6903 [2020-11-22 12:59:12,466 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6d573be2-159a-497d-9abb-bb66431fc77c/bin/utaipan/data/7c5a6b57c/56f34c5381494ca9815b5ab29142c080 [2020-11-22 12:59:12,469 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:59:12,470 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:59:12,472 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:59:12,472 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:59:12,501 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:59:12,502 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:59:12" (1/1) ... [2020-11-22 12:59:12,509 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a1e9179 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:12, skipping insertion in model container [2020-11-22 12:59:12,509 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:59:12" (1/1) ... [2020-11-22 12:59:12,516 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:59:12,576 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:59:12,842 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:59:12,853 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 12:59:12,854 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4f7fbf7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:12, skipping insertion in model container [2020-11-22 12:59:12,854 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:59:12,855 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 12:59:12,857 INFO L168 Benchmark]: Toolchain (without parser) took 385.34 ms. Allocated memory is still 123.7 MB. Free memory was 102.7 MB in the beginning and 90.8 MB in the end (delta: 11.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:12,858 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 77.6 MB. Free memory is still 53.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:59:12,859 INFO L168 Benchmark]: CACSL2BoogieTranslator took 382.96 ms. Allocated memory is still 123.7 MB. Free memory was 102.2 MB in the beginning and 90.8 MB in the end (delta: 11.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:12,861 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 77.6 MB. Free memory is still 53.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 382.96 ms. Allocated memory is still 123.7 MB. Free memory was 102.2 MB in the beginning and 90.8 MB in the end (delta: 11.4 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: 455]: 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 12:59:15,067 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:59:15,069 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:59:15,107 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:59:15,108 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:59:15,109 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:59:15,111 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:59:15,114 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:59:15,116 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:59:15,118 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:59:15,119 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:59:15,120 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:59:15,121 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:59:15,122 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:59:15,124 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:59:15,125 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:59:15,126 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:59:15,128 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:59:15,131 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:59:15,137 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:59:15,139 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:59:15,145 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:59:15,147 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:59:15,148 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:59:15,151 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:59:15,156 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:59:15,156 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:59:15,157 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:59:15,159 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:59:15,161 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:59:15,161 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:59:15,164 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:59:15,166 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:59:15,167 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:59:15,169 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:59:15,169 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:59:15,170 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:59:15,170 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:59:15,171 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:59:15,172 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:59:15,174 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:59:15,175 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6d573be2-159a-497d-9abb-bb66431fc77c/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 12:59:15,223 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:59:15,224 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:59:15,226 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:59:15,226 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:59:15,226 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:59:15,227 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:59:15,227 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:59:15,227 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:59:15,227 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:59:15,229 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:59:15,230 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:59:15,230 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:59:15,230 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:59:15,230 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:59:15,231 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:59:15,231 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:59:15,231 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:59:15,231 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 12:59:15,231 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 12:59:15,232 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:59:15,232 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:59:15,232 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:59:15,232 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:59:15,233 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:59:15,233 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 12:59:15,233 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:59:15,233 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:59:15,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:59:15,247 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:59:15,247 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:59:15,248 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:59:15,248 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 12:59:15,248 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 12:59:15,248 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:59:15,249 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:59:15,249 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:59:15,249 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_6d573be2-159a-497d-9abb-bb66431fc77c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6d573be2-159a-497d-9abb-bb66431fc77c/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3277d87fee4d1f5b2f894e9c3d1b5ae65d241aee [2020-11-22 12:59:15,653 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:59:15,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:59:15,697 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:59:15,698 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:59:15,702 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:59:15,703 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6d573be2-159a-497d-9abb-bb66431fc77c/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product12.cil.c [2020-11-22 12:59:15,775 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6d573be2-159a-497d-9abb-bb66431fc77c/bin/utaipan/data/929e3e64b/0ca014d3b2434748b62b09d04fc28338/FLAG875f910d3 [2020-11-22 12:59:16,297 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:59:16,297 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6d573be2-159a-497d-9abb-bb66431fc77c/sv-benchmarks/c/product-lines/minepump_spec1_product12.cil.c [2020-11-22 12:59:16,320 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6d573be2-159a-497d-9abb-bb66431fc77c/bin/utaipan/data/929e3e64b/0ca014d3b2434748b62b09d04fc28338/FLAG875f910d3 [2020-11-22 12:59:16,597 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6d573be2-159a-497d-9abb-bb66431fc77c/bin/utaipan/data/929e3e64b/0ca014d3b2434748b62b09d04fc28338 [2020-11-22 12:59:16,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:59:16,601 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:59:16,602 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:59:16,603 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:59:16,606 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:59:16,607 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:59:16" (1/1) ... [2020-11-22 12:59:16,609 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10128a97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:16, skipping insertion in model container [2020-11-22 12:59:16,609 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:59:16" (1/1) ... [2020-11-22 12:59:16,616 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:59:16,653 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:59:16,953 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:59:17,012 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-22 12:59:17,037 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:59:17,121 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:59:17,142 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 12:59:17,207 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:59:17,259 INFO L208 MainTranslator]: Completed translation [2020-11-22 12:59:17,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:17 WrapperNode [2020-11-22 12:59:17,263 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:59:17,265 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 12:59:17,265 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 12:59:17,265 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 12:59:17,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:17" (1/1) ... [2020-11-22 12:59:17,291 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:17" (1/1) ... [2020-11-22 12:59:17,340 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 12:59:17,344 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 12:59:17,345 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 12:59:17,345 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 12:59:17,354 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:17" (1/1) ... [2020-11-22 12:59:17,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:17" (1/1) ... [2020-11-22 12:59:17,374 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:17" (1/1) ... [2020-11-22 12:59:17,386 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:17" (1/1) ... [2020-11-22 12:59:17,396 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:17" (1/1) ... [2020-11-22 12:59:17,401 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:17" (1/1) ... [2020-11-22 12:59:17,404 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:17" (1/1) ... [2020-11-22 12:59:17,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 12:59:17,419 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 12:59:17,419 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 12:59:17,420 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 12:59:17,420 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d573be2-159a-497d-9abb-bb66431fc77c/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 12:59:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 12:59:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 12:59:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 12:59:17,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 12:59:19,768 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 12:59:19,768 INFO L298 CfgBuilder]: Removed 78 assume(true) statements. [2020-11-22 12:59:19,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:59:19 BoogieIcfgContainer [2020-11-22 12:59:19,770 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 12:59:19,776 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 12:59:19,777 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 12:59:19,780 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 12:59:19,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:59:16" (1/3) ... [2020-11-22 12:59:19,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10dcc965 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:59:19, skipping insertion in model container [2020-11-22 12:59:19,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:17" (2/3) ... [2020-11-22 12:59:19,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10dcc965 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:59:19, skipping insertion in model container [2020-11-22 12:59:19,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:59:19" (3/3) ... [2020-11-22 12:59:19,784 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product12.cil.c [2020-11-22 12:59:19,799 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 12:59:19,804 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-22 12:59:19,816 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-22 12:59:19,853 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 12:59:19,853 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 12:59:19,853 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 12:59:19,854 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 12:59:19,854 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 12:59:19,854 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 12:59:19,854 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 12:59:19,854 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 12:59:19,869 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states. [2020-11-22 12:59:19,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-22 12:59:19,874 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:19,875 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:59:19,876 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:19,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:19,881 INFO L82 PathProgramCache]: Analyzing trace with hash -2113786432, now seen corresponding path program 1 times [2020-11-22 12:59:19,893 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:19,894 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [78195255] [2020-11-22 12:59:19,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d573be2-159a-497d-9abb-bb66431fc77c/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 12:59:20,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:20,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 12:59:20,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:20,197 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 12:59:20,198 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:20,203 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 12:59:20,204 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [78195255] [2020-11-22 12:59:20,205 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:20,205 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 12:59:20,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384271725] [2020-11-22 12:59:20,210 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 12:59:20,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:20,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 12:59:20,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 12:59:20,225 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 2 states. [2020-11-22 12:59:20,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:20,248 INFO L93 Difference]: Finished difference Result 115 states and 170 transitions. [2020-11-22 12:59:20,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 12:59:20,252 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-22 12:59:20,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:20,260 INFO L225 Difference]: With dead ends: 115 [2020-11-22 12:59:20,260 INFO L226 Difference]: Without dead ends: 55 [2020-11-22 12:59:20,263 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 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 12:59:20,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-11-22 12:59:20,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-11-22 12:59:20,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-11-22 12:59:20,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 75 transitions. [2020-11-22 12:59:20,300 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 75 transitions. Word has length 16 [2020-11-22 12:59:20,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:20,300 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 75 transitions. [2020-11-22 12:59:20,300 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 12:59:20,300 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2020-11-22 12:59:20,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-22 12:59:20,301 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:20,302 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:59:20,522 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 12:59:20,523 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:20,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:20,523 INFO L82 PathProgramCache]: Analyzing trace with hash 1134423967, now seen corresponding path program 1 times [2020-11-22 12:59:20,524 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:20,524 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [233432643] [2020-11-22 12:59:20,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d573be2-159a-497d-9abb-bb66431fc77c/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 12:59:20,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:20,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:59:20,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:20,715 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 12:59:20,715 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:20,733 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 12:59:20,733 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [233432643] [2020-11-22 12:59:20,734 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:20,734 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 12:59:20,734 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880096358] [2020-11-22 12:59:20,735 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:59:20,736 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:20,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:59:20,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:59:20,737 INFO L87 Difference]: Start difference. First operand 55 states and 75 transitions. Second operand 4 states. [2020-11-22 12:59:20,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:20,755 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2020-11-22 12:59:20,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:59:20,759 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-11-22 12:59:20,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:20,760 INFO L225 Difference]: With dead ends: 55 [2020-11-22 12:59:20,760 INFO L226 Difference]: Without dead ends: 29 [2020-11-22 12:59:20,761 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 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 12:59:20,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-11-22 12:59:20,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-11-22 12:59:20,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-11-22 12:59:20,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2020-11-22 12:59:20,766 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 17 [2020-11-22 12:59:20,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:20,766 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2020-11-22 12:59:20,766 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:59:20,767 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2020-11-22 12:59:20,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-22 12:59:20,770 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:20,770 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] [2020-11-22 12:59:20,983 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 12:59:20,984 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:20,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:20,985 INFO L82 PathProgramCache]: Analyzing trace with hash -1160602349, now seen corresponding path program 1 times [2020-11-22 12:59:20,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:20,986 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1519032141] [2020-11-22 12:59:20,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d573be2-159a-497d-9abb-bb66431fc77c/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 12:59:21,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:21,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:59:21,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:21,180 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 12:59:21,181 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:21,190 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 12:59:21,191 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1519032141] [2020-11-22 12:59:21,191 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:21,191 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 12:59:21,191 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211959714] [2020-11-22 12:59:21,191 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:59:21,192 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:21,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:59:21,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:59:21,193 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 4 states. [2020-11-22 12:59:21,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:21,256 INFO L93 Difference]: Finished difference Result 98 states and 142 transitions. [2020-11-22 12:59:21,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-22 12:59:21,257 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-11-22 12:59:21,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:21,259 INFO L225 Difference]: With dead ends: 98 [2020-11-22 12:59:21,260 INFO L226 Difference]: Without dead ends: 75 [2020-11-22 12:59:21,260 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 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 12:59:21,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-11-22 12:59:21,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 48. [2020-11-22 12:59:21,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-11-22 12:59:21,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2020-11-22 12:59:21,282 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 22 [2020-11-22 12:59:21,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:21,282 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2020-11-22 12:59:21,282 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:59:21,283 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2020-11-22 12:59:21,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-22 12:59:21,285 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:21,285 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] [2020-11-22 12:59:21,501 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 12:59:21,501 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:21,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:21,502 INFO L82 PathProgramCache]: Analyzing trace with hash 471853904, now seen corresponding path program 1 times [2020-11-22 12:59:21,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:21,502 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2063236288] [2020-11-22 12:59:21,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d573be2-159a-497d-9abb-bb66431fc77c/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 12:59:21,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:21,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 12:59:21,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:21,718 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 12:59:21,719 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:21,743 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 12:59:21,743 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2063236288] [2020-11-22 12:59:21,743 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:21,744 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-22 12:59:21,744 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943135623] [2020-11-22 12:59:21,745 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 12:59:21,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:21,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 12:59:21,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 12:59:21,748 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand 5 states. [2020-11-22 12:59:21,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:21,899 INFO L93 Difference]: Finished difference Result 214 states and 328 transitions. [2020-11-22 12:59:21,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-22 12:59:21,902 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-11-22 12:59:21,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:21,904 INFO L225 Difference]: With dead ends: 214 [2020-11-22 12:59:21,904 INFO L226 Difference]: Without dead ends: 172 [2020-11-22 12:59:21,905 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 39 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 12:59:21,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2020-11-22 12:59:21,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 84. [2020-11-22 12:59:21,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-11-22 12:59:21,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 121 transitions. [2020-11-22 12:59:21,936 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 121 transitions. Word has length 22 [2020-11-22 12:59:21,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:21,936 INFO L481 AbstractCegarLoop]: Abstraction has 84 states and 121 transitions. [2020-11-22 12:59:21,937 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 12:59:21,937 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 121 transitions. [2020-11-22 12:59:21,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-22 12:59:21,939 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:21,939 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] [2020-11-22 12:59:22,155 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 12:59:22,156 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:22,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:22,156 INFO L82 PathProgramCache]: Analyzing trace with hash -1127718650, now seen corresponding path program 1 times [2020-11-22 12:59:22,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:22,157 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [166867557] [2020-11-22 12:59:22,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d573be2-159a-497d-9abb-bb66431fc77c/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 12:59:22,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:22,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 12:59:22,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:22,436 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 12:59:22,436 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:22,441 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 12:59:22,441 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [166867557] [2020-11-22 12:59:22,441 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:22,441 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-22 12:59:22,442 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136238209] [2020-11-22 12:59:22,442 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 12:59:22,442 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:22,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 12:59:22,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 12:59:22,443 INFO L87 Difference]: Start difference. First operand 84 states and 121 transitions. Second operand 5 states. [2020-11-22 12:59:22,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:22,580 INFO L93 Difference]: Finished difference Result 268 states and 395 transitions. [2020-11-22 12:59:22,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 12:59:22,584 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-11-22 12:59:22,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:22,584 INFO L225 Difference]: With dead ends: 268 [2020-11-22 12:59:22,584 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 12:59:22,586 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-22 12:59:22,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 12:59:22,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 12:59:22,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 12:59:22,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 12:59:22,587 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2020-11-22 12:59:22,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:22,587 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 12:59:22,587 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 12:59:22,587 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 12:59:22,587 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 12:59:22,798 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-22 12:59:22,800 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 12:59:23,216 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:59:23,216 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-22 12:59:23,216 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-22 12:59:23,216 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-22 12:59:23,217 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 12:59:23,217 INFO L274 CegarLoopResult]: For program point L301(lines 301 305) no Hoare annotation was computed. [2020-11-22 12:59:23,217 INFO L274 CegarLoopResult]: For program point L253(lines 253 259) no Hoare annotation was computed. [2020-11-22 12:59:23,217 INFO L270 CegarLoopResult]: At program point L253-1(lines 253 259) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:59:23,217 INFO L274 CegarLoopResult]: For program point L88(lines 88 103) no Hoare annotation was computed. [2020-11-22 12:59:23,217 INFO L270 CegarLoopResult]: At program point L139(lines 139 145) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:59:23,217 INFO L270 CegarLoopResult]: At program point L139-1(lines 139 145) the Hoare annotation is: false [2020-11-22 12:59:23,218 INFO L270 CegarLoopResult]: At program point L139-2(lines 139 145) the Hoare annotation is: false [2020-11-22 12:59:23,218 INFO L270 CegarLoopResult]: At program point L388(lines 1 887) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:59:23,219 INFO L274 CegarLoopResult]: For program point L289(lines 289 293) no Hoare annotation was computed. [2020-11-22 12:59:23,222 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 12:59:23,222 INFO L274 CegarLoopResult]: For program point L289-3(lines 289 293) no Hoare annotation was computed. [2020-11-22 12:59:23,223 INFO L274 CegarLoopResult]: For program point L289-6(lines 289 293) no Hoare annotation was computed. [2020-11-22 12:59:23,223 INFO L277 CegarLoopResult]: At program point L884(lines 865 887) the Hoare annotation is: true [2020-11-22 12:59:23,223 INFO L270 CegarLoopResult]: At program point L108(lines 57 109) the Hoare annotation is: false [2020-11-22 12:59:23,223 INFO L274 CegarLoopResult]: For program point L59(lines 58 107) no Hoare annotation was computed. [2020-11-22 12:59:23,223 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:59:23,223 INFO L270 CegarLoopResult]: At program point L852(lines 848 854) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:59:23,223 INFO L274 CegarLoopResult]: For program point L60(lines 60 64) no Hoare annotation was computed. [2020-11-22 12:59:23,224 INFO L270 CegarLoopResult]: At program point L209(lines 204 212) 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 12:59:23,224 INFO L270 CegarLoopResult]: At program point L209-1(lines 204 212) the Hoare annotation is: false [2020-11-22 12:59:23,224 INFO L270 CegarLoopResult]: At program point L209-2(lines 204 212) the Hoare annotation is: false [2020-11-22 12:59:23,224 INFO L270 CegarLoopResult]: At program point L804-2(lines 804 818) the Hoare annotation is: false [2020-11-22 12:59:23,224 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-22 12:59:23,224 INFO L274 CegarLoopResult]: For program point L78(lines 78 84) no Hoare annotation was computed. [2020-11-22 12:59:23,224 INFO L270 CegarLoopResult]: At program point L78-1(lines 78 84) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:59:23,224 INFO L270 CegarLoopResult]: At program point L326(lines 321 329) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:59:23,225 INFO L270 CegarLoopResult]: At program point L326-1(lines 321 329) the Hoare annotation is: false [2020-11-22 12:59:23,225 INFO L274 CegarLoopResult]: For program point L805(line 805) no Hoare annotation was computed. [2020-11-22 12:59:23,225 INFO L270 CegarLoopResult]: At program point L326-2(lines 321 329) the Hoare annotation is: false [2020-11-22 12:59:23,225 INFO L274 CegarLoopResult]: For program point L409(lines 409 422) no Hoare annotation was computed. [2020-11-22 12:59:23,225 INFO L270 CegarLoopResult]: At program point L409-1(lines 1 887) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:59:23,225 INFO L274 CegarLoopResult]: For program point L409-2(lines 409 422) no Hoare annotation was computed. [2020-11-22 12:59:23,225 INFO L270 CegarLoopResult]: At program point L409-3(lines 1 887) the Hoare annotation is: false [2020-11-22 12:59:23,225 INFO L274 CegarLoopResult]: For program point L277(line 277) no Hoare annotation was computed. [2020-11-22 12:59:23,226 INFO L274 CegarLoopResult]: For program point L409-4(lines 409 422) no Hoare annotation was computed. [2020-11-22 12:59:23,226 INFO L274 CegarLoopResult]: For program point L277-1(line 277) no Hoare annotation was computed. [2020-11-22 12:59:23,226 INFO L270 CegarLoopResult]: At program point L409-5(lines 1 887) the Hoare annotation is: false [2020-11-22 12:59:23,226 INFO L274 CegarLoopResult]: For program point L277-2(line 277) no Hoare annotation was computed. [2020-11-22 12:59:23,226 INFO L274 CegarLoopResult]: For program point L96(lines 96 102) no Hoare annotation was computed. [2020-11-22 12:59:23,226 INFO L270 CegarLoopResult]: At program point L96-1(lines 132 138) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:59:23,226 INFO L274 CegarLoopResult]: For program point L808(lines 808 812) no Hoare annotation was computed. [2020-11-22 12:59:23,226 INFO L274 CegarLoopResult]: For program point L808-1(lines 132 138) no Hoare annotation was computed. [2020-11-22 12:59:23,226 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-22 12:59:23,227 INFO L274 CegarLoopResult]: For program point L313(lines 313 317) no Hoare annotation was computed. [2020-11-22 12:59:23,227 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:59:23,227 INFO L270 CegarLoopResult]: At program point L396(lines 391 399) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:59:23,227 INFO L274 CegarLoopResult]: For program point L875(lines 875 882) no Hoare annotation was computed. [2020-11-22 12:59:23,227 INFO L277 CegarLoopResult]: At program point L875-1(lines 875 882) the Hoare annotation is: true [2020-11-22 12:59:23,227 INFO L270 CegarLoopResult]: At program point L132(lines 131 150) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:59:23,227 INFO L274 CegarLoopResult]: For program point L132-1(lines 132 138) no Hoare annotation was computed. [2020-11-22 12:59:23,228 INFO L270 CegarLoopResult]: At program point L132-2(lines 131 150) the Hoare annotation is: false [2020-11-22 12:59:23,228 INFO L270 CegarLoopResult]: At program point L132-3(lines 131 150) the Hoare annotation is: false [2020-11-22 12:59:23,228 INFO L274 CegarLoopResult]: For program point L413(lines 413 419) no Hoare annotation was computed. [2020-11-22 12:59:23,228 INFO L274 CegarLoopResult]: For program point L413-2(lines 413 419) no Hoare annotation was computed. [2020-11-22 12:59:23,228 INFO L274 CegarLoopResult]: For program point L413-4(lines 413 419) no Hoare annotation was computed. [2020-11-22 12:59:23,228 INFO L274 CegarLoopResult]: For program point L68(lines 68 74) no Hoare annotation was computed. [2020-11-22 12:59:23,228 INFO L270 CegarLoopResult]: At program point L68-1(lines 68 74) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:59:23,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:59:23 BoogieIcfgContainer [2020-11-22 12:59:23,254 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 12:59:23,254 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 12:59:23,255 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 12:59:23,255 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 12:59:23,255 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:59:19" (3/4) ... [2020-11-22 12:59:23,258 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 12:59:23,274 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-22 12:59:23,275 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-22 12:59:23,276 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-22 12:59:23,276 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-22 12:59:23,277 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-22 12:59:23,277 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 12:59:23,277 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 12:59:23,299 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2020-11-22 12:59:23,351 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_6d573be2-159a-497d-9abb-bb66431fc77c/bin/utaipan/witness.graphml [2020-11-22 12:59:23,351 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 12:59:23,353 INFO L168 Benchmark]: Toolchain (without parser) took 6750.71 ms. Allocated memory was 62.9 MB in the beginning and 75.5 MB in the end (delta: 12.6 MB). Free memory was 42.7 MB in the beginning and 26.1 MB in the end (delta: 16.6 MB). Peak memory consumption was 28.2 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:23,353 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 62.9 MB. Free memory is still 45.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:59:23,353 INFO L168 Benchmark]: CACSL2BoogieTranslator took 661.38 ms. Allocated memory is still 62.9 MB. Free memory was 42.6 MB in the beginning and 31.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:23,354 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.47 ms. Allocated memory is still 62.9 MB. Free memory was 31.9 MB in the beginning and 29.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:23,354 INFO L168 Benchmark]: Boogie Preprocessor took 74.11 ms. Allocated memory is still 62.9 MB. Free memory was 29.2 MB in the beginning and 27.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:23,355 INFO L168 Benchmark]: RCFGBuilder took 2351.02 ms. Allocated memory was 62.9 MB in the beginning and 75.5 MB in the end (delta: 12.6 MB). Free memory was 27.1 MB in the beginning and 53.5 MB in the end (delta: -26.4 MB). Peak memory consumption was 12.8 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:23,355 INFO L168 Benchmark]: TraceAbstraction took 3477.55 ms. Allocated memory is still 75.5 MB. Free memory was 53.0 MB in the beginning and 31.2 MB in the end (delta: 21.8 MB). Peak memory consumption was 30.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:23,356 INFO L168 Benchmark]: Witness Printer took 96.53 ms. Allocated memory is still 75.5 MB. Free memory was 31.2 MB in the beginning and 26.1 MB in the end (delta: 5.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:23,358 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 62.9 MB. Free memory is still 45.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 661.38 ms. Allocated memory is still 62.9 MB. Free memory was 42.6 MB in the beginning and 31.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 78.47 ms. Allocated memory is still 62.9 MB. Free memory was 31.9 MB in the beginning and 29.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 74.11 ms. Allocated memory is still 62.9 MB. Free memory was 29.2 MB in the beginning and 27.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2351.02 ms. Allocated memory was 62.9 MB in the beginning and 75.5 MB in the end (delta: 12.6 MB). Free memory was 27.1 MB in the beginning and 53.5 MB in the end (delta: -26.4 MB). Peak memory consumption was 12.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3477.55 ms. Allocated memory is still 75.5 MB. Free memory was 53.0 MB in the beginning and 31.2 MB in the end (delta: 21.8 MB). Peak memory consumption was 30.5 MB. Max. memory is 16.1 GB. * Witness Printer took 96.53 ms. Allocated memory is still 75.5 MB. Free memory was 31.2 MB in the beginning and 26.1 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: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 391]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 875]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 848]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 62 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 270 SDtfs, 389 SDslu, 300 SDs, 0 SdLazy, 43 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 198 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred 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: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 115 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 112 NumberOfFragments, 116 HoareAnnotationTreeSize, 26 FomulaSimplifications, 3987 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 190 ConstructedInterpolants, 0 QuantifiedInterpolants, 6156 SizeOfPredicates, 8 NumberOfNonLiveVariables, 974 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...