./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 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_41299e44-4379-4927-a673-15dcd1eeccd1/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_41299e44-4379-4927-a673-15dcd1eeccd1/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_41299e44-4379-4927-a673-15dcd1eeccd1/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_41299e44-4379-4927-a673-15dcd1eeccd1/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product12.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_41299e44-4379-4927-a673-15dcd1eeccd1/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_41299e44-4379-4927-a673-15dcd1eeccd1/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_41299e44-4379-4927-a673-15dcd1eeccd1/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_41299e44-4379-4927-a673-15dcd1eeccd1/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_41299e44-4379-4927-a673-15dcd1eeccd1/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_41299e44-4379-4927-a673-15dcd1eeccd1/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product12.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_41299e44-4379-4927-a673-15dcd1eeccd1/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_41299e44-4379-4927-a673-15dcd1eeccd1/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 0.2.0-7b2dab5 [2020-12-09 20:19:37,272 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 20:19:37,273 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 20:19:37,296 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 20:19:37,296 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 20:19:37,297 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 20:19:37,298 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 20:19:37,300 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 20:19:37,302 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 20:19:37,303 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 20:19:37,304 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 20:19:37,305 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 20:19:37,305 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 20:19:37,306 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 20:19:37,307 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 20:19:37,308 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 20:19:37,309 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 20:19:37,310 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 20:19:37,311 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 20:19:37,313 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 20:19:37,314 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 20:19:37,315 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 20:19:37,317 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 20:19:37,317 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 20:19:37,320 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 20:19:37,320 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 20:19:37,321 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 20:19:37,321 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 20:19:37,322 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 20:19:37,323 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 20:19:37,323 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 20:19:37,324 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 20:19:37,324 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 20:19:37,325 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 20:19:37,326 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 20:19:37,326 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 20:19:37,327 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 20:19:37,327 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 20:19:37,327 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 20:19:37,328 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 20:19:37,329 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 20:19:37,329 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_41299e44-4379-4927-a673-15dcd1eeccd1/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 20:19:37,346 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 20:19:37,346 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 20:19:37,347 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 20:19:37,347 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 20:19:37,347 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 20:19:37,347 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 20:19:37,347 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 20:19:37,347 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 20:19:37,347 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 20:19:37,348 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 20:19:37,348 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 20:19:37,348 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 20:19:37,348 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 20:19:37,348 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 20:19:37,355 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 20:19:37,355 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 20:19:37,356 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 20:19:37,356 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 20:19:37,356 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 20:19:37,356 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 20:19:37,356 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 20:19:37,356 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 20:19:37,356 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 20:19:37,356 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 20:19:37,357 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 20:19:37,357 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 20:19:37,357 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 20:19:37,357 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 20:19:37,357 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 20:19:37,357 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 20:19:37,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 20:19:37,358 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 20:19:37,358 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 20:19:37,358 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 20:19:37,358 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 20:19:37,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 20:19:37,358 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 20:19:37,358 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 20:19:37,358 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 20:19:37,358 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_41299e44-4379-4927-a673-15dcd1eeccd1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_41299e44-4379-4927-a673-15dcd1eeccd1/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3277d87fee4d1f5b2f894e9c3d1b5ae65d241aee [2020-12-09 20:19:37,524 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 20:19:37,541 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 20:19:37,543 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 20:19:37,544 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 20:19:37,544 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 20:19:37,545 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_41299e44-4379-4927-a673-15dcd1eeccd1/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product12.cil.c [2020-12-09 20:19:37,586 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_41299e44-4379-4927-a673-15dcd1eeccd1/bin/utaipan/data/cd32a9a76/e3e1e09b6b5f4b71ab266b6763ccf58e/FLAGd899715d4 [2020-12-09 20:19:38,064 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 20:19:38,064 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_41299e44-4379-4927-a673-15dcd1eeccd1/sv-benchmarks/c/product-lines/minepump_spec1_product12.cil.c [2020-12-09 20:19:38,078 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_41299e44-4379-4927-a673-15dcd1eeccd1/bin/utaipan/data/cd32a9a76/e3e1e09b6b5f4b71ab266b6763ccf58e/FLAGd899715d4 [2020-12-09 20:19:38,575 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_41299e44-4379-4927-a673-15dcd1eeccd1/bin/utaipan/data/cd32a9a76/e3e1e09b6b5f4b71ab266b6763ccf58e [2020-12-09 20:19:38,577 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 20:19:38,578 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 20:19:38,579 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 20:19:38,579 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 20:19:38,582 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 20:19:38,583 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:19:38" (1/1) ... [2020-12-09 20:19:38,584 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43c2fa1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:19:38, skipping insertion in model container [2020-12-09 20:19:38,584 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:19:38" (1/1) ... [2020-12-09 20:19:38,590 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 20:19:38,617 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 20:19:38,748 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_41299e44-4379-4927-a673-15dcd1eeccd1/sv-benchmarks/c/product-lines/minepump_spec1_product12.cil.c[4218,4231] [2020-12-09 20:19:38,800 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 20:19:38,809 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 20:19:38,809 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@53befc62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:19:38, skipping insertion in model container [2020-12-09 20:19:38,809 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 20:19:38,809 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-09 20:19:38,811 INFO L168 Benchmark]: Toolchain (without parser) took 231.90 ms. Allocated memory is still 121.6 MB. Free memory was 100.0 MB in the beginning and 86.8 MB in the end (delta: 13.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-09 20:19:38,812 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 83.9 MB. Free memory is still 60.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 20:19:38,812 INFO L168 Benchmark]: CACSL2BoogieTranslator took 230.09 ms. Allocated memory is still 121.6 MB. Free memory was 100.0 MB in the beginning and 86.8 MB in the end (delta: 13.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-09 20:19:38,813 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 83.9 MB. Free memory is still 60.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 230.09 ms. Allocated memory is still 121.6 MB. Free memory was 100.0 MB in the beginning and 86.8 MB in the end (delta: 13.2 MB). Peak memory consumption was 12.6 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 0.2.0-7b2dab5 [2020-12-09 20:19:40,119 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 20:19:40,121 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 20:19:40,152 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 20:19:40,153 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 20:19:40,154 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 20:19:40,155 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 20:19:40,157 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 20:19:40,159 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 20:19:40,159 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 20:19:40,160 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 20:19:40,161 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 20:19:40,162 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 20:19:40,163 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 20:19:40,164 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 20:19:40,165 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 20:19:40,165 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 20:19:40,166 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 20:19:40,168 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 20:19:40,169 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 20:19:40,171 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 20:19:40,172 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 20:19:40,173 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 20:19:40,174 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 20:19:40,176 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 20:19:40,177 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 20:19:40,177 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 20:19:40,178 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 20:19:40,178 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 20:19:40,179 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 20:19:40,179 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 20:19:40,180 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 20:19:40,180 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 20:19:40,181 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 20:19:40,182 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 20:19:40,183 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 20:19:40,183 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 20:19:40,184 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 20:19:40,184 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 20:19:40,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 20:19:40,185 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 20:19:40,186 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_41299e44-4379-4927-a673-15dcd1eeccd1/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-09 20:19:40,203 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 20:19:40,203 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 20:19:40,204 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 20:19:40,204 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 20:19:40,204 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 20:19:40,205 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 20:19:40,205 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 20:19:40,205 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 20:19:40,205 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 20:19:40,206 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 20:19:40,206 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 20:19:40,206 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 20:19:40,206 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 20:19:40,206 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 20:19:40,206 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 20:19:40,206 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 20:19:40,206 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 20:19:40,207 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 20:19:40,207 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 20:19:40,207 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 20:19:40,207 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 20:19:40,207 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 20:19:40,207 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 20:19:40,207 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 20:19:40,207 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 20:19:40,208 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 20:19:40,208 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 20:19:40,208 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 20:19:40,208 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 20:19:40,208 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 20:19:40,208 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 20:19:40,208 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 20:19:40,209 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 20:19:40,209 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 20:19:40,209 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 20:19:40,209 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_41299e44-4379-4927-a673-15dcd1eeccd1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_41299e44-4379-4927-a673-15dcd1eeccd1/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3277d87fee4d1f5b2f894e9c3d1b5ae65d241aee [2020-12-09 20:19:40,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 20:19:40,467 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 20:19:40,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 20:19:40,470 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 20:19:40,471 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 20:19:40,471 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_41299e44-4379-4927-a673-15dcd1eeccd1/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product12.cil.c [2020-12-09 20:19:40,512 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_41299e44-4379-4927-a673-15dcd1eeccd1/bin/utaipan/data/c1b1ee35c/dc7bfc497c4445e694fe746915f710b7/FLAG96c82c8bd [2020-12-09 20:19:40,973 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 20:19:40,973 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_41299e44-4379-4927-a673-15dcd1eeccd1/sv-benchmarks/c/product-lines/minepump_spec1_product12.cil.c [2020-12-09 20:19:40,982 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_41299e44-4379-4927-a673-15dcd1eeccd1/bin/utaipan/data/c1b1ee35c/dc7bfc497c4445e694fe746915f710b7/FLAG96c82c8bd [2020-12-09 20:19:40,992 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_41299e44-4379-4927-a673-15dcd1eeccd1/bin/utaipan/data/c1b1ee35c/dc7bfc497c4445e694fe746915f710b7 [2020-12-09 20:19:40,994 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 20:19:40,995 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 20:19:40,996 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 20:19:40,996 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 20:19:40,998 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 20:19:40,999 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:19:40" (1/1) ... [2020-12-09 20:19:41,000 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2077f8fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:19:40, skipping insertion in model container [2020-12-09 20:19:41,000 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:19:40" (1/1) ... [2020-12-09 20:19:41,005 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 20:19:41,033 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 20:19:41,174 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_41299e44-4379-4927-a673-15dcd1eeccd1/sv-benchmarks/c/product-lines/minepump_spec1_product12.cil.c[4218,4231] [2020-12-09 20:19:41,225 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 20:19:41,235 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-12-09 20:19:41,240 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 20:19:41,252 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_41299e44-4379-4927-a673-15dcd1eeccd1/sv-benchmarks/c/product-lines/minepump_spec1_product12.cil.c[4218,4231] [2020-12-09 20:19:41,280 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 20:19:41,284 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 20:19:41,301 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_41299e44-4379-4927-a673-15dcd1eeccd1/sv-benchmarks/c/product-lines/minepump_spec1_product12.cil.c[4218,4231] [2020-12-09 20:19:41,322 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 20:19:41,343 INFO L208 MainTranslator]: Completed translation [2020-12-09 20:19:41,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:19:41 WrapperNode [2020-12-09 20:19:41,343 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 20:19:41,344 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 20:19:41,344 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 20:19:41,344 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 20:19:41,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:19:41" (1/1) ... [2020-12-09 20:19:41,362 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:19:41" (1/1) ... [2020-12-09 20:19:41,381 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 20:19:41,382 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 20:19:41,382 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 20:19:41,382 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 20:19:41,388 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:19:41" (1/1) ... [2020-12-09 20:19:41,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:19:41" (1/1) ... [2020-12-09 20:19:41,391 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:19:41" (1/1) ... [2020-12-09 20:19:41,392 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:19:41" (1/1) ... [2020-12-09 20:19:41,403 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:19:41" (1/1) ... [2020-12-09 20:19:41,407 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:19:41" (1/1) ... [2020-12-09 20:19:41,409 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:19:41" (1/1) ... [2020-12-09 20:19:41,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 20:19:41,413 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 20:19:41,413 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 20:19:41,413 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 20:19:41,413 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:19:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_41299e44-4379-4927-a673-15dcd1eeccd1/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 20:19:41,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 20:19:41,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 20:19:41,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 20:19:41,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 20:19:42,880 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 20:19:42,880 INFO L299 CfgBuilder]: Removed 72 assume(true) statements. [2020-12-09 20:19:42,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:19:42 BoogieIcfgContainer [2020-12-09 20:19:42,882 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 20:19:42,883 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 20:19:42,884 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 20:19:42,886 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 20:19:42,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 08:19:40" (1/3) ... [2020-12-09 20:19:42,887 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33e84b30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:19:42, skipping insertion in model container [2020-12-09 20:19:42,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:19:41" (2/3) ... [2020-12-09 20:19:42,887 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33e84b30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:19:42, skipping insertion in model container [2020-12-09 20:19:42,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:19:42" (3/3) ... [2020-12-09 20:19:42,889 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product12.cil.c [2020-12-09 20:19:42,900 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 20:19:42,902 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-09 20:19:42,909 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-09 20:19:42,925 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 20:19:42,925 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 20:19:42,925 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 20:19:42,925 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 20:19:42,926 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 20:19:42,926 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 20:19:42,926 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 20:19:42,926 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 20:19:42,935 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2020-12-09 20:19:42,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-09 20:19:42,939 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:19:42,939 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 20:19:42,939 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:19:42,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:19:42,943 INFO L82 PathProgramCache]: Analyzing trace with hash 476294846, now seen corresponding path program 1 times [2020-12-09 20:19:42,952 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 20:19:42,952 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [691415369] [2020-12-09 20:19:42,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_41299e44-4379-4927-a673-15dcd1eeccd1/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 20:19:43,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:19:43,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-09 20:19:43,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 20:19:43,134 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 20:19:43,134 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 20:19:43,135 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [691415369] [2020-12-09 20:19:43,136 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 20:19:43,136 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 20:19:43,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655346185] [2020-12-09 20:19:43,140 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 20:19:43,141 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 20:19:43,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 20:19:43,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 20:19:43,155 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 2 states. [2020-12-09 20:19:43,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:19:43,176 INFO L93 Difference]: Finished difference Result 112 states and 167 transitions. [2020-12-09 20:19:43,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 20:19:43,177 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-12-09 20:19:43,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:19:43,184 INFO L225 Difference]: With dead ends: 112 [2020-12-09 20:19:43,184 INFO L226 Difference]: Without dead ends: 55 [2020-12-09 20:19:43,186 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 20:19:43,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-12-09 20:19:43,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-12-09 20:19:43,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-12-09 20:19:43,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 75 transitions. [2020-12-09 20:19:43,213 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 75 transitions. Word has length 16 [2020-12-09 20:19:43,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:19:43,213 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 75 transitions. [2020-12-09 20:19:43,213 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 20:19:43,213 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2020-12-09 20:19:43,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-09 20:19:43,214 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:19:43,214 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 20:19:43,415 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 20:19:43,415 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:19:43,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:19:43,416 INFO L82 PathProgramCache]: Analyzing trace with hash -570462051, now seen corresponding path program 1 times [2020-12-09 20:19:43,416 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 20:19:43,416 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1382948186] [2020-12-09 20:19:43,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_41299e44-4379-4927-a673-15dcd1eeccd1/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 20:19:43,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:19:43,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 20:19:43,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 20:19:43,564 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 20:19:43,564 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 20:19:43,565 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1382948186] [2020-12-09 20:19:43,565 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 20:19:43,565 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 20:19:43,565 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555225565] [2020-12-09 20:19:43,566 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 20:19:43,566 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 20:19:43,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 20:19:43,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 20:19:43,567 INFO L87 Difference]: Start difference. First operand 55 states and 75 transitions. Second operand 3 states. [2020-12-09 20:19:43,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:19:43,574 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2020-12-09 20:19:43,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 20:19:43,574 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-12-09 20:19:43,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:19:43,575 INFO L225 Difference]: With dead ends: 55 [2020-12-09 20:19:43,575 INFO L226 Difference]: Without dead ends: 29 [2020-12-09 20:19:43,575 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 20:19:43,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-12-09 20:19:43,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-12-09 20:19:43,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-12-09 20:19:43,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2020-12-09 20:19:43,579 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 17 [2020-12-09 20:19:43,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:19:43,579 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2020-12-09 20:19:43,580 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 20:19:43,580 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2020-12-09 20:19:43,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-09 20:19:43,580 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:19:43,580 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 20:19:43,781 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-09 20:19:43,782 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:19:43,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:19:43,785 INFO L82 PathProgramCache]: Analyzing trace with hash -1160602349, now seen corresponding path program 1 times [2020-12-09 20:19:43,786 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 20:19:43,787 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2105271866] [2020-12-09 20:19:43,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_41299e44-4379-4927-a673-15dcd1eeccd1/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 20:19:44,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:19:44,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 20:19:44,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 20:19:44,054 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 20:19:44,054 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 20:19:44,054 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2105271866] [2020-12-09 20:19:44,054 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 20:19:44,055 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 20:19:44,055 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173911436] [2020-12-09 20:19:44,055 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 20:19:44,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 20:19:44,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 20:19:44,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 20:19:44,056 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 3 states. [2020-12-09 20:19:44,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:19:44,096 INFO L93 Difference]: Finished difference Result 75 states and 108 transitions. [2020-12-09 20:19:44,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 20:19:44,097 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-12-09 20:19:44,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:19:44,098 INFO L225 Difference]: With dead ends: 75 [2020-12-09 20:19:44,098 INFO L226 Difference]: Without dead ends: 52 [2020-12-09 20:19:44,099 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 20:19:44,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-12-09 20:19:44,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 48. [2020-12-09 20:19:44,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-12-09 20:19:44,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2020-12-09 20:19:44,107 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 22 [2020-12-09 20:19:44,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:19:44,107 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2020-12-09 20:19:44,107 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 20:19:44,107 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2020-12-09 20:19:44,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-09 20:19:44,108 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:19:44,108 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 20:19:44,309 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-09 20:19:44,310 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:19:44,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:19:44,311 INFO L82 PathProgramCache]: Analyzing trace with hash 471853904, now seen corresponding path program 1 times [2020-12-09 20:19:44,311 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 20:19:44,312 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [400492899] [2020-12-09 20:19:44,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_41299e44-4379-4927-a673-15dcd1eeccd1/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 20:19:44,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:19:44,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-09 20:19:44,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 20:19:44,534 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 20:19:44,534 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 20:19:44,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [400492899] [2020-12-09 20:19:44,535 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 20:19:44,535 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-09 20:19:44,535 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991667974] [2020-12-09 20:19:44,535 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 20:19:44,536 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 20:19:44,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 20:19:44,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-09 20:19:44,537 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand 5 states. [2020-12-09 20:19:44,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:19:44,617 INFO L93 Difference]: Finished difference Result 214 states and 328 transitions. [2020-12-09 20:19:44,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-09 20:19:44,618 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-12-09 20:19:44,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:19:44,619 INFO L225 Difference]: With dead ends: 214 [2020-12-09 20:19:44,619 INFO L226 Difference]: Without dead ends: 172 [2020-12-09 20:19:44,620 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 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 20:19:44,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2020-12-09 20:19:44,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 84. [2020-12-09 20:19:44,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-12-09 20:19:44,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 121 transitions. [2020-12-09 20:19:44,631 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 121 transitions. Word has length 22 [2020-12-09 20:19:44,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:19:44,632 INFO L481 AbstractCegarLoop]: Abstraction has 84 states and 121 transitions. [2020-12-09 20:19:44,632 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 20:19:44,632 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 121 transitions. [2020-12-09 20:19:44,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-09 20:19:44,632 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:19:44,633 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 20:19:44,833 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-09 20:19:44,834 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:19:44,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:19:44,835 INFO L82 PathProgramCache]: Analyzing trace with hash -1127718650, now seen corresponding path program 1 times [2020-12-09 20:19:44,836 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 20:19:44,836 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1912968850] [2020-12-09 20:19:44,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_41299e44-4379-4927-a673-15dcd1eeccd1/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 20:19:45,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:19:45,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-09 20:19:45,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 20:19:45,045 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 20:19:45,045 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 20:19:45,046 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1912968850] [2020-12-09 20:19:45,046 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 20:19:45,046 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-09 20:19:45,046 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542274606] [2020-12-09 20:19:45,046 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 20:19:45,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 20:19:45,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 20:19:45,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-09 20:19:45,047 INFO L87 Difference]: Start difference. First operand 84 states and 121 transitions. Second operand 5 states. [2020-12-09 20:19:45,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:19:45,119 INFO L93 Difference]: Finished difference Result 268 states and 395 transitions. [2020-12-09 20:19:45,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 20:19:45,119 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-12-09 20:19:45,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:19:45,120 INFO L225 Difference]: With dead ends: 268 [2020-12-09 20:19:45,120 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 20:19:45,121 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 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 20:19:45,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 20:19:45,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 20:19:45,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 20:19:45,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 20:19:45,121 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2020-12-09 20:19:45,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:19:45,122 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 20:19:45,122 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 20:19:45,122 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 20:19:45,122 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 20:19:45,323 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-12-09 20:19:45,328 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 20:19:45,549 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 277) no Hoare annotation was computed. [2020-12-09 20:19:45,550 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 20:19:45,550 INFO L262 CegarLoopResult]: For program point L301(lines 301 305) no Hoare annotation was computed. [2020-12-09 20:19:45,550 INFO L262 CegarLoopResult]: For program point L253(lines 253 259) no Hoare annotation was computed. [2020-12-09 20:19:45,550 INFO L258 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)) [2020-12-09 20:19:45,550 INFO L262 CegarLoopResult]: For program point L88(lines 88 103) no Hoare annotation was computed. [2020-12-09 20:19:45,550 INFO L258 CegarLoopResult]: At program point L139(lines 139 145) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-12-09 20:19:45,551 INFO L258 CegarLoopResult]: At program point L139-1(lines 139 145) the Hoare annotation is: false [2020-12-09 20:19:45,551 INFO L258 CegarLoopResult]: At program point L139-2(lines 139 145) the Hoare annotation is: false [2020-12-09 20:19:45,551 INFO L258 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))) [2020-12-09 20:19:45,551 INFO L262 CegarLoopResult]: For program point L289(lines 289 293) no Hoare annotation was computed. [2020-12-09 20:19:45,551 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 20:19:45,551 INFO L262 CegarLoopResult]: For program point L289-3(lines 289 293) no Hoare annotation was computed. [2020-12-09 20:19:45,551 INFO L262 CegarLoopResult]: For program point L289-6(lines 289 293) no Hoare annotation was computed. [2020-12-09 20:19:45,551 INFO L265 CegarLoopResult]: At program point L884(lines 865 887) the Hoare annotation is: true [2020-12-09 20:19:45,552 INFO L258 CegarLoopResult]: At program point L108(lines 57 109) the Hoare annotation is: false [2020-12-09 20:19:45,552 INFO L262 CegarLoopResult]: For program point L59(lines 58 107) no Hoare annotation was computed. [2020-12-09 20:19:45,552 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 277) no Hoare annotation was computed. [2020-12-09 20:19:45,552 INFO L258 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))) [2020-12-09 20:19:45,552 INFO L262 CegarLoopResult]: For program point L60(lines 60 64) no Hoare annotation was computed. [2020-12-09 20:19:45,552 INFO L258 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)) [2020-12-09 20:19:45,552 INFO L258 CegarLoopResult]: At program point L209-1(lines 204 212) the Hoare annotation is: false [2020-12-09 20:19:45,553 INFO L258 CegarLoopResult]: At program point L209-2(lines 204 212) the Hoare annotation is: false [2020-12-09 20:19:45,553 INFO L258 CegarLoopResult]: At program point L804-2(lines 804 818) the Hoare annotation is: false [2020-12-09 20:19:45,553 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-09 20:19:45,553 INFO L262 CegarLoopResult]: For program point L78(lines 78 84) no Hoare annotation was computed. [2020-12-09 20:19:45,553 INFO L258 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)) [2020-12-09 20:19:45,553 INFO L258 CegarLoopResult]: At program point L326(lines 321 329) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-12-09 20:19:45,553 INFO L258 CegarLoopResult]: At program point L326-1(lines 321 329) the Hoare annotation is: false [2020-12-09 20:19:45,553 INFO L262 CegarLoopResult]: For program point L805(line 805) no Hoare annotation was computed. [2020-12-09 20:19:45,553 INFO L258 CegarLoopResult]: At program point L326-2(lines 321 329) the Hoare annotation is: false [2020-12-09 20:19:45,554 INFO L262 CegarLoopResult]: For program point L409(lines 409 422) no Hoare annotation was computed. [2020-12-09 20:19:45,554 INFO L258 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)) [2020-12-09 20:19:45,554 INFO L262 CegarLoopResult]: For program point L409-2(lines 409 422) no Hoare annotation was computed. [2020-12-09 20:19:45,554 INFO L258 CegarLoopResult]: At program point L409-3(lines 1 887) the Hoare annotation is: false [2020-12-09 20:19:45,554 INFO L262 CegarLoopResult]: For program point L277(line 277) no Hoare annotation was computed. [2020-12-09 20:19:45,554 INFO L262 CegarLoopResult]: For program point L409-4(lines 409 422) no Hoare annotation was computed. [2020-12-09 20:19:45,554 INFO L262 CegarLoopResult]: For program point L277-1(line 277) no Hoare annotation was computed. [2020-12-09 20:19:45,554 INFO L258 CegarLoopResult]: At program point L409-5(lines 1 887) the Hoare annotation is: false [2020-12-09 20:19:45,554 INFO L262 CegarLoopResult]: For program point L277-2(line 277) no Hoare annotation was computed. [2020-12-09 20:19:45,555 INFO L262 CegarLoopResult]: For program point L96(lines 96 102) no Hoare annotation was computed. [2020-12-09 20:19:45,555 INFO L258 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)) [2020-12-09 20:19:45,555 INFO L262 CegarLoopResult]: For program point L808(lines 808 812) no Hoare annotation was computed. [2020-12-09 20:19:45,555 INFO L262 CegarLoopResult]: For program point L808-1(lines 132 138) no Hoare annotation was computed. [2020-12-09 20:19:45,555 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-09 20:19:45,555 INFO L262 CegarLoopResult]: For program point L313(lines 313 317) no Hoare annotation was computed. [2020-12-09 20:19:45,555 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 277) no Hoare annotation was computed. [2020-12-09 20:19:45,555 INFO L258 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))) [2020-12-09 20:19:45,556 INFO L262 CegarLoopResult]: For program point L875(lines 875 882) no Hoare annotation was computed. [2020-12-09 20:19:45,556 INFO L265 CegarLoopResult]: At program point L875-1(lines 875 882) the Hoare annotation is: true [2020-12-09 20:19:45,556 INFO L258 CegarLoopResult]: At program point L132(lines 131 150) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-12-09 20:19:45,556 INFO L262 CegarLoopResult]: For program point L132-1(lines 132 138) no Hoare annotation was computed. [2020-12-09 20:19:45,556 INFO L258 CegarLoopResult]: At program point L132-2(lines 131 150) the Hoare annotation is: false [2020-12-09 20:19:45,556 INFO L258 CegarLoopResult]: At program point L132-3(lines 131 150) the Hoare annotation is: false [2020-12-09 20:19:45,556 INFO L262 CegarLoopResult]: For program point L413(lines 413 419) no Hoare annotation was computed. [2020-12-09 20:19:45,556 INFO L262 CegarLoopResult]: For program point L413-2(lines 413 419) no Hoare annotation was computed. [2020-12-09 20:19:45,557 INFO L262 CegarLoopResult]: For program point L413-4(lines 413 419) no Hoare annotation was computed. [2020-12-09 20:19:45,557 INFO L262 CegarLoopResult]: For program point L68(lines 68 74) no Hoare annotation was computed. [2020-12-09 20:19:45,557 INFO L258 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)) [2020-12-09 20:19:45,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 08:19:45 BoogieIcfgContainer [2020-12-09 20:19:45,571 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 20:19:45,571 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 20:19:45,571 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 20:19:45,572 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 20:19:45,572 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:19:42" (3/4) ... [2020-12-09 20:19:45,575 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 20:19:45,587 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-09 20:19:45,588 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-09 20:19:45,588 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-09 20:19:45,588 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-09 20:19:45,589 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-09 20:19:45,589 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 20:19:45,590 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 20:19:45,613 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2020-12-09 20:19:45,648 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_41299e44-4379-4927-a673-15dcd1eeccd1/bin/utaipan/witness.graphml [2020-12-09 20:19:45,648 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 20:19:45,649 INFO L168 Benchmark]: Toolchain (without parser) took 4653.41 ms. Allocated memory was 67.1 MB in the beginning and 119.5 MB in the end (delta: 52.4 MB). Free memory was 50.0 MB in the beginning and 98.8 MB in the end (delta: -48.8 MB). Peak memory consumption was 57.9 MB. Max. memory is 16.1 GB. [2020-12-09 20:19:45,650 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 67.1 MB. Free memory is still 50.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 20:19:45,650 INFO L168 Benchmark]: CACSL2BoogieTranslator took 347.62 ms. Allocated memory is still 67.1 MB. Free memory was 49.8 MB in the beginning and 34.6 MB in the end (delta: 15.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-09 20:19:45,650 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.65 ms. Allocated memory is still 67.1 MB. Free memory was 34.6 MB in the beginning and 31.9 MB in the end (delta: 2.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 20:19:45,650 INFO L168 Benchmark]: Boogie Preprocessor took 29.80 ms. Allocated memory was 67.1 MB in the beginning and 98.6 MB in the end (delta: 31.5 MB). Free memory was 31.9 MB in the beginning and 81.2 MB in the end (delta: -49.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.1 GB. [2020-12-09 20:19:45,651 INFO L168 Benchmark]: RCFGBuilder took 1469.29 ms. Allocated memory is still 98.6 MB. Free memory was 81.2 MB in the beginning and 59.4 MB in the end (delta: 21.8 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. [2020-12-09 20:19:45,651 INFO L168 Benchmark]: TraceAbstraction took 2687.45 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 58.8 MB in the beginning and 48.7 MB in the end (delta: 10.1 MB). Peak memory consumption was 31.2 MB. Max. memory is 16.1 GB. [2020-12-09 20:19:45,651 INFO L168 Benchmark]: Witness Printer took 76.73 ms. Allocated memory is still 119.5 MB. Free memory was 47.7 MB in the beginning and 98.8 MB in the end (delta: -51.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-09 20:19:45,653 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 67.1 MB. Free memory is still 50.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 347.62 ms. Allocated memory is still 67.1 MB. Free memory was 49.8 MB in the beginning and 34.6 MB in the end (delta: 15.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 37.65 ms. Allocated memory is still 67.1 MB. Free memory was 34.6 MB in the beginning and 31.9 MB in the end (delta: 2.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.80 ms. Allocated memory was 67.1 MB in the beginning and 98.6 MB in the end (delta: 31.5 MB). Free memory was 31.9 MB in the beginning and 81.2 MB in the end (delta: -49.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1469.29 ms. Allocated memory is still 98.6 MB. Free memory was 81.2 MB in the beginning and 59.4 MB in the end (delta: 21.8 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2687.45 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 58.8 MB in the beginning and 48.7 MB in the end (delta: 10.1 MB). Peak memory consumption was 31.2 MB. Max. memory is 16.1 GB. * Witness Printer took 76.73 ms. Allocated memory is still 119.5 MB. Free memory was 47.7 MB in the beginning and 98.8 MB in the end (delta: -51.1 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: 277]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 277]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 277]: 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: 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, 59 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 270 SDtfs, 292 SDslu, 270 SDs, 0 SdLazy, 42 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 103 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s 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, 92 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 112 NumberOfFragments, 116 HoareAnnotationTreeSize, 26 FomulaSimplifications, 2909 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 3099 SizeOfPredicates, 7 NumberOfNonLiveVariables, 974 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...