./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3f4fc90b-7ce2-43db-a41f-18dd7afaf838/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3f4fc90b-7ce2-43db-a41f-18dd7afaf838/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3f4fc90b-7ce2-43db-a41f-18dd7afaf838/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3f4fc90b-7ce2-43db-a41f-18dd7afaf838/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3f4fc90b-7ce2-43db-a41f-18dd7afaf838/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3f4fc90b-7ce2-43db-a41f-18dd7afaf838/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 06e1bbb05b064353049072459310c7da1eede934 ...................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3f4fc90b-7ce2-43db-a41f-18dd7afaf838/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3f4fc90b-7ce2-43db-a41f-18dd7afaf838/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3f4fc90b-7ce2-43db-a41f-18dd7afaf838/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3f4fc90b-7ce2-43db-a41f-18dd7afaf838/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3f4fc90b-7ce2-43db-a41f-18dd7afaf838/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3f4fc90b-7ce2-43db-a41f-18dd7afaf838/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 06e1bbb05b064353049072459310c7da1eede934 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 21:01:17,961 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 21:01:17,962 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 21:01:17,970 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 21:01:17,970 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 21:01:17,971 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 21:01:17,972 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 21:01:17,973 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 21:01:17,975 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 21:01:17,975 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 21:01:17,976 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 21:01:17,977 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 21:01:17,977 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 21:01:17,978 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 21:01:17,978 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 21:01:17,979 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 21:01:17,979 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 21:01:17,980 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 21:01:17,981 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 21:01:17,983 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 21:01:17,984 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 21:01:17,985 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 21:01:17,985 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 21:01:17,986 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 21:01:17,987 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 21:01:17,987 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 21:01:17,988 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 21:01:17,988 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 21:01:17,988 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 21:01:17,989 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 21:01:17,989 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 21:01:17,989 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 21:01:17,990 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 21:01:17,990 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 21:01:17,991 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 21:01:17,991 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 21:01:17,991 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 21:01:17,991 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 21:01:17,992 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 21:01:17,992 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 21:01:17,992 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 21:01:17,993 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3f4fc90b-7ce2-43db-a41f-18dd7afaf838/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 21:01:18,002 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 21:01:18,002 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 21:01:18,003 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 21:01:18,003 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 21:01:18,003 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 21:01:18,003 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 21:01:18,003 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 21:01:18,003 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 21:01:18,004 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 21:01:18,004 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 21:01:18,004 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 21:01:18,004 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 21:01:18,004 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 21:01:18,004 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 21:01:18,004 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 21:01:18,005 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 21:01:18,005 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 21:01:18,005 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 21:01:18,005 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 21:01:18,005 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 21:01:18,005 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 21:01:18,005 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 21:01:18,005 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 21:01:18,006 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 21:01:18,006 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 21:01:18,006 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 21:01:18,006 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 21:01:18,006 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 21:01:18,006 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 21:01:18,006 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 21:01:18,006 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 21:01:18,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 21:01:18,007 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 21:01:18,007 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 21:01:18,007 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 21:01:18,007 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 21:01:18,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 21:01:18,007 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 21:01:18,007 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 21:01:18,007 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 21:01:18,007 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_3f4fc90b-7ce2-43db-a41f-18dd7afaf838/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(__VERIFIER_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 -> 06e1bbb05b064353049072459310c7da1eede934 [2019-12-07 21:01:18,108 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 21:01:18,118 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 21:01:18,120 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 21:01:18,122 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 21:01:18,122 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 21:01:18,123 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3f4fc90b-7ce2-43db-a41f-18dd7afaf838/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c [2019-12-07 21:01:18,167 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3f4fc90b-7ce2-43db-a41f-18dd7afaf838/bin/utaipan/data/da3623a63/f3b73ac8ea9b4f9d8add4f74e24502ba/FLAG9c485707e [2019-12-07 21:01:18,609 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 21:01:18,610 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3f4fc90b-7ce2-43db-a41f-18dd7afaf838/sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c [2019-12-07 21:01:18,619 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3f4fc90b-7ce2-43db-a41f-18dd7afaf838/bin/utaipan/data/da3623a63/f3b73ac8ea9b4f9d8add4f74e24502ba/FLAG9c485707e [2019-12-07 21:01:18,951 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3f4fc90b-7ce2-43db-a41f-18dd7afaf838/bin/utaipan/data/da3623a63/f3b73ac8ea9b4f9d8add4f74e24502ba [2019-12-07 21:01:18,955 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 21:01:18,957 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 21:01:18,958 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 21:01:18,958 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 21:01:18,963 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 21:01:18,964 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:01:18" (1/1) ... [2019-12-07 21:01:18,967 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@739ea90f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:01:18, skipping insertion in model container [2019-12-07 21:01:18,968 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:01:18" (1/1) ... [2019-12-07 21:01:18,975 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 21:01:19,009 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 21:01:19,225 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:01:19,235 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) [2019-12-07 21:01:19,236 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@626f2199 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:01:19, skipping insertion in model container [2019-12-07 21:01:19,236 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 21:01:19,236 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 21:01:19,238 INFO L168 Benchmark]: Toolchain (without parser) took 281.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 938.7 MB in the beginning and 1.1 GB in the end (delta: -177.5 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 21:01:19,238 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 955.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:01:19,239 INFO L168 Benchmark]: CACSL2BoogieTranslator took 278.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 933.4 MB in the beginning and 1.1 GB in the end (delta: -188.3 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-12-07 21:01:19,240 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 955.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 278.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 933.4 MB in the beginning and 1.1 GB in the end (delta: -188.3 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 68]: 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 0.1.25-f470102 [2019-12-07 21:01:20,370 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 21:01:20,371 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 21:01:20,379 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 21:01:20,379 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 21:01:20,380 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 21:01:20,381 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 21:01:20,382 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 21:01:20,383 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 21:01:20,384 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 21:01:20,384 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 21:01:20,385 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 21:01:20,385 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 21:01:20,386 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 21:01:20,387 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 21:01:20,388 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 21:01:20,388 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 21:01:20,389 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 21:01:20,390 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 21:01:20,391 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 21:01:20,393 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 21:01:20,393 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 21:01:20,394 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 21:01:20,395 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 21:01:20,397 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 21:01:20,397 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 21:01:20,397 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 21:01:20,397 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 21:01:20,398 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 21:01:20,398 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 21:01:20,399 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 21:01:20,399 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 21:01:20,400 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 21:01:20,400 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 21:01:20,401 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 21:01:20,401 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 21:01:20,401 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 21:01:20,401 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 21:01:20,402 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 21:01:20,402 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 21:01:20,403 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 21:01:20,403 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3f4fc90b-7ce2-43db-a41f-18dd7afaf838/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 21:01:20,413 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 21:01:20,413 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 21:01:20,414 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 21:01:20,414 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 21:01:20,414 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 21:01:20,414 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 21:01:20,414 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 21:01:20,414 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 21:01:20,414 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 21:01:20,415 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 21:01:20,415 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 21:01:20,415 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 21:01:20,415 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 21:01:20,415 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 21:01:20,416 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 21:01:20,416 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 21:01:20,416 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 21:01:20,416 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 21:01:20,416 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 21:01:20,416 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 21:01:20,416 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 21:01:20,416 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 21:01:20,417 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 21:01:20,417 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 21:01:20,417 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 21:01:20,417 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 21:01:20,417 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 21:01:20,417 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 21:01:20,417 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 21:01:20,417 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 21:01:20,418 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 21:01:20,418 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 21:01:20,418 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 21:01:20,418 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 21:01:20,418 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 21:01:20,418 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 21:01:20,418 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_3f4fc90b-7ce2-43db-a41f-18dd7afaf838/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(__VERIFIER_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 -> 06e1bbb05b064353049072459310c7da1eede934 [2019-12-07 21:01:20,578 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 21:01:20,588 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 21:01:20,591 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 21:01:20,593 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 21:01:20,593 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 21:01:20,593 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3f4fc90b-7ce2-43db-a41f-18dd7afaf838/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c [2019-12-07 21:01:20,636 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3f4fc90b-7ce2-43db-a41f-18dd7afaf838/bin/utaipan/data/eaaf82114/05089bce29a34b74a317bb0d70b4aaff/FLAG770eb63eb [2019-12-07 21:01:21,116 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 21:01:21,116 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3f4fc90b-7ce2-43db-a41f-18dd7afaf838/sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c [2019-12-07 21:01:21,125 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3f4fc90b-7ce2-43db-a41f-18dd7afaf838/bin/utaipan/data/eaaf82114/05089bce29a34b74a317bb0d70b4aaff/FLAG770eb63eb [2019-12-07 21:01:21,134 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3f4fc90b-7ce2-43db-a41f-18dd7afaf838/bin/utaipan/data/eaaf82114/05089bce29a34b74a317bb0d70b4aaff [2019-12-07 21:01:21,136 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 21:01:21,136 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 21:01:21,137 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 21:01:21,137 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 21:01:21,139 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 21:01:21,140 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:01:21" (1/1) ... [2019-12-07 21:01:21,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b70e7d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:01:21, skipping insertion in model container [2019-12-07 21:01:21,142 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:01:21" (1/1) ... [2019-12-07 21:01:21,146 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 21:01:21,172 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 21:01:21,410 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:01:21,421 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 21:01:21,427 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 21:01:21,466 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:01:21,470 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 21:01:21,507 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:01:21,528 INFO L208 MainTranslator]: Completed translation [2019-12-07 21:01:21,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:01:21 WrapperNode [2019-12-07 21:01:21,528 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 21:01:21,529 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 21:01:21,529 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 21:01:21,529 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 21:01:21,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:01:21" (1/1) ... [2019-12-07 21:01:21,547 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:01:21" (1/1) ... [2019-12-07 21:01:21,570 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 21:01:21,570 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 21:01:21,570 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 21:01:21,570 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 21:01:21,577 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:01:21" (1/1) ... [2019-12-07 21:01:21,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:01:21" (1/1) ... [2019-12-07 21:01:21,580 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:01:21" (1/1) ... [2019-12-07 21:01:21,580 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:01:21" (1/1) ... [2019-12-07 21:01:21,588 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:01:21" (1/1) ... [2019-12-07 21:01:21,593 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:01:21" (1/1) ... [2019-12-07 21:01:21,595 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:01:21" (1/1) ... [2019-12-07 21:01:21,597 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 21:01:21,598 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 21:01:21,598 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 21:01:21,598 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 21:01:21,599 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:01:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f4fc90b-7ce2-43db-a41f-18dd7afaf838/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 [2019-12-07 21:01:21,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 21:01:21,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 21:01:21,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 21:01:21,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 21:01:22,084 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 21:01:22,084 INFO L287 CfgBuilder]: Removed 96 assume(true) statements. [2019-12-07 21:01:22,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:01:22 BoogieIcfgContainer [2019-12-07 21:01:22,085 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 21:01:22,086 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 21:01:22,086 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 21:01:22,088 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 21:01:22,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 09:01:21" (1/3) ... [2019-12-07 21:01:22,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e59694c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:01:22, skipping insertion in model container [2019-12-07 21:01:22,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:01:21" (2/3) ... [2019-12-07 21:01:22,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e59694c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:01:22, skipping insertion in model container [2019-12-07 21:01:22,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:01:22" (3/3) ... [2019-12-07 21:01:22,091 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product13.cil.c [2019-12-07 21:01:22,097 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 21:01:22,102 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 21:01:22,110 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 21:01:22,127 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 21:01:22,127 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 21:01:22,128 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 21:01:22,128 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 21:01:22,128 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 21:01:22,128 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 21:01:22,128 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 21:01:22,128 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 21:01:22,140 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states. [2019-12-07 21:01:22,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 21:01:22,144 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:01:22,144 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:01:22,145 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:01:22,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:01:22,148 INFO L82 PathProgramCache]: Analyzing trace with hash -196866246, now seen corresponding path program 1 times [2019-12-07 21:01:22,157 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:01:22,157 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [456351905] [2019-12-07 21:01:22,157 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f4fc90b-7ce2-43db-a41f-18dd7afaf838/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 [2019-12-07 21:01:22,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:01:22,294 INFO L264 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 21:01:22,297 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:01:22,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 21:01:22,308 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:01:22,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 21:01:22,312 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [456351905] [2019-12-07 21:01:22,312 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:01:22,313 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 21:01:22,313 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794721233] [2019-12-07 21:01:22,316 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 21:01:22,316 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:01:22,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 21:01:22,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 21:01:22,327 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 2 states. [2019-12-07 21:01:22,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:01:22,344 INFO L93 Difference]: Finished difference Result 132 states and 197 transitions. [2019-12-07 21:01:22,344 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 21:01:22,345 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 21:01:22,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:01:22,353 INFO L225 Difference]: With dead ends: 132 [2019-12-07 21:01:22,353 INFO L226 Difference]: Without dead ends: 65 [2019-12-07 21:01:22,355 INFO L630 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 [2019-12-07 21:01:22,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2019-12-07 21:01:22,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2019-12-07 21:01:22,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-12-07 21:01:22,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2019-12-07 21:01:22,382 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 90 transitions. Word has length 16 [2019-12-07 21:01:22,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:01:22,382 INFO L462 AbstractCegarLoop]: Abstraction has 65 states and 90 transitions. [2019-12-07 21:01:22,382 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 21:01:22,382 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2019-12-07 21:01:22,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 21:01:22,383 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:01:22,383 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:01:22,584 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 21:01:22,585 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:01:22,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:01:22,585 INFO L82 PathProgramCache]: Analyzing trace with hash -1243623143, now seen corresponding path program 1 times [2019-12-07 21:01:22,587 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:01:22,587 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2087951911] [2019-12-07 21:01:22,587 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f4fc90b-7ce2-43db-a41f-18dd7afaf838/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 [2019-12-07 21:01:22,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:01:22,781 INFO L264 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 21:01:22,782 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:01:22,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 21:01:22,796 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:01:22,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 21:01:22,804 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2087951911] [2019-12-07 21:01:22,804 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:01:22,804 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 21:01:22,805 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834815581] [2019-12-07 21:01:22,806 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 21:01:22,806 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:01:22,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 21:01:22,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 21:01:22,806 INFO L87 Difference]: Start difference. First operand 65 states and 90 transitions. Second operand 4 states. [2019-12-07 21:01:22,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:01:22,815 INFO L93 Difference]: Finished difference Result 65 states and 90 transitions. [2019-12-07 21:01:22,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 21:01:22,816 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-07 21:01:22,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:01:22,817 INFO L225 Difference]: With dead ends: 65 [2019-12-07 21:01:22,817 INFO L226 Difference]: Without dead ends: 31 [2019-12-07 21:01:22,818 INFO L630 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 [2019-12-07 21:01:22,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-12-07 21:01:22,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-12-07 21:01:22,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-12-07 21:01:22,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2019-12-07 21:01:22,823 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 17 [2019-12-07 21:01:22,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:01:22,823 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2019-12-07 21:01:22,823 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 21:01:22,823 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2019-12-07 21:01:22,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 21:01:22,824 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:01:22,824 INFO L410 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] [2019-12-07 21:01:23,024 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 21:01:23,025 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:01:23,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:01:23,026 INFO L82 PathProgramCache]: Analyzing trace with hash -1744986874, now seen corresponding path program 1 times [2019-12-07 21:01:23,027 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:01:23,028 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [171068537] [2019-12-07 21:01:23,028 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f4fc90b-7ce2-43db-a41f-18dd7afaf838/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 [2019-12-07 21:01:23,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:01:23,217 INFO L264 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 21:01:23,218 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:01:23,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 21:01:23,227 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:01:23,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 21:01:23,235 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [171068537] [2019-12-07 21:01:23,235 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:01:23,236 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 21:01:23,236 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093195497] [2019-12-07 21:01:23,236 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 21:01:23,237 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:01:23,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 21:01:23,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 21:01:23,237 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 4 states. [2019-12-07 21:01:23,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:01:23,245 INFO L93 Difference]: Finished difference Result 56 states and 80 transitions. [2019-12-07 21:01:23,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 21:01:23,246 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2019-12-07 21:01:23,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:01:23,246 INFO L225 Difference]: With dead ends: 56 [2019-12-07 21:01:23,247 INFO L226 Difference]: Without dead ends: 31 [2019-12-07 21:01:23,247 INFO L630 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 [2019-12-07 21:01:23,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-12-07 21:01:23,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-12-07 21:01:23,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-12-07 21:01:23,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2019-12-07 21:01:23,251 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 42 transitions. Word has length 22 [2019-12-07 21:01:23,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:01:23,251 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 42 transitions. [2019-12-07 21:01:23,251 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 21:01:23,251 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2019-12-07 21:01:23,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-07 21:01:23,252 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:01:23,252 INFO L410 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] [2019-12-07 21:01:23,452 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 21:01:23,453 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:01:23,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:01:23,454 INFO L82 PathProgramCache]: Analyzing trace with hash 75210305, now seen corresponding path program 1 times [2019-12-07 21:01:23,455 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:01:23,455 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1353332521] [2019-12-07 21:01:23,456 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f4fc90b-7ce2-43db-a41f-18dd7afaf838/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 [2019-12-07 21:01:23,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:01:23,599 INFO L264 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 21:01:23,600 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:01:23,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 21:01:23,614 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:01:23,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 21:01:23,622 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1353332521] [2019-12-07 21:01:23,622 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:01:23,622 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 21:01:23,622 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896921317] [2019-12-07 21:01:23,623 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 21:01:23,623 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:01:23,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 21:01:23,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 21:01:23,624 INFO L87 Difference]: Start difference. First operand 31 states and 42 transitions. Second operand 5 states. [2019-12-07 21:01:23,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:01:23,705 INFO L93 Difference]: Finished difference Result 132 states and 195 transitions. [2019-12-07 21:01:23,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 21:01:23,706 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-12-07 21:01:23,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:01:23,707 INFO L225 Difference]: With dead ends: 132 [2019-12-07 21:01:23,707 INFO L226 Difference]: Without dead ends: 107 [2019-12-07 21:01:23,708 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 21:01:23,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-12-07 21:01:23,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 52. [2019-12-07 21:01:23,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-12-07 21:01:23,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 72 transitions. [2019-12-07 21:01:23,719 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 72 transitions. Word has length 23 [2019-12-07 21:01:23,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:01:23,720 INFO L462 AbstractCegarLoop]: Abstraction has 52 states and 72 transitions. [2019-12-07 21:01:23,720 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 21:01:23,720 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 72 transitions. [2019-12-07 21:01:23,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 21:01:23,721 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:01:23,721 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:01:23,922 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 21:01:23,922 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:01:23,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:01:23,923 INFO L82 PathProgramCache]: Analyzing trace with hash 2028068683, now seen corresponding path program 1 times [2019-12-07 21:01:23,924 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:01:23,924 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1482991783] [2019-12-07 21:01:23,925 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f4fc90b-7ce2-43db-a41f-18dd7afaf838/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 [2019-12-07 21:01:24,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:01:24,094 INFO L264 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 21:01:24,095 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:01:24,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 21:01:24,106 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:01:24,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 21:01:24,108 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1482991783] [2019-12-07 21:01:24,108 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:01:24,108 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 21:01:24,109 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552110538] [2019-12-07 21:01:24,109 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 21:01:24,109 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:01:24,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 21:01:24,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 21:01:24,109 INFO L87 Difference]: Start difference. First operand 52 states and 72 transitions. Second operand 5 states. [2019-12-07 21:01:24,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:01:24,169 INFO L93 Difference]: Finished difference Result 144 states and 209 transitions. [2019-12-07 21:01:24,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 21:01:24,169 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-12-07 21:01:24,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:01:24,169 INFO L225 Difference]: With dead ends: 144 [2019-12-07 21:01:24,170 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 21:01:24,170 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 21:01:24,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 21:01:24,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 21:01:24,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 21:01:24,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 21:01:24,171 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2019-12-07 21:01:24,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:01:24,171 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 21:01:24,171 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 21:01:24,171 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 21:01:24,171 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 21:01:24,372 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 21:01:24,376 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 21:01:24,684 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 496) no Hoare annotation was computed. [2019-12-07 21:01:24,684 INFO L242 CegarLoopResult]: At program point L746(lines 746 752) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 21:01:24,684 INFO L242 CegarLoopResult]: At program point L746-1(lines 746 752) the Hoare annotation is: false [2019-12-07 21:01:24,684 INFO L242 CegarLoopResult]: At program point L746-2(lines 746 752) the Hoare annotation is: false [2019-12-07 21:01:24,685 INFO L246 CegarLoopResult]: For program point L647(lines 647 660) no Hoare annotation was computed. [2019-12-07 21:01:24,685 INFO L242 CegarLoopResult]: At program point L647-1(lines 1 880) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 21:01:24,685 INFO L246 CegarLoopResult]: For program point L647-2(lines 647 660) no Hoare annotation was computed. [2019-12-07 21:01:24,685 INFO L242 CegarLoopResult]: At program point L647-3(lines 1 880) the Hoare annotation is: false [2019-12-07 21:01:24,685 INFO L246 CegarLoopResult]: For program point L647-4(lines 647 660) no Hoare annotation was computed. [2019-12-07 21:01:24,685 INFO L242 CegarLoopResult]: At program point L647-5(lines 1 880) the Hoare annotation is: false [2019-12-07 21:01:24,685 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 21:01:24,685 INFO L246 CegarLoopResult]: For program point L418(lines 418 422) no Hoare annotation was computed. [2019-12-07 21:01:24,685 INFO L246 CegarLoopResult]: For program point L418-3(lines 418 422) no Hoare annotation was computed. [2019-12-07 21:01:24,685 INFO L246 CegarLoopResult]: For program point L418-6(lines 418 422) no Hoare annotation was computed. [2019-12-07 21:01:24,685 INFO L249 CegarLoopResult]: At program point L633(lines 614 636) the Hoare annotation is: true [2019-12-07 21:01:24,686 INFO L242 CegarLoopResult]: At program point L600(lines 596 602) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 21:01:24,686 INFO L242 CegarLoopResult]: At program point L534(lines 529 537) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 21:01:24,686 INFO L242 CegarLoopResult]: At program point L551-2(lines 551 565) the Hoare annotation is: false [2019-12-07 21:01:24,686 INFO L242 CegarLoopResult]: At program point L832(lines 825 835) the Hoare annotation is: false [2019-12-07 21:01:24,686 INFO L242 CegarLoopResult]: At program point L832-1(lines 825 835) the Hoare annotation is: false [2019-12-07 21:01:24,686 INFO L242 CegarLoopResult]: At program point L832-2(lines 825 835) the Hoare annotation is: false [2019-12-07 21:01:24,686 INFO L246 CegarLoopResult]: For program point L651(lines 651 657) no Hoare annotation was computed. [2019-12-07 21:01:24,686 INFO L246 CegarLoopResult]: For program point L651-2(lines 651 657) no Hoare annotation was computed. [2019-12-07 21:01:24,686 INFO L246 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2019-12-07 21:01:24,686 INFO L246 CegarLoopResult]: For program point L651-4(lines 651 657) no Hoare annotation was computed. [2019-12-07 21:01:24,687 INFO L246 CegarLoopResult]: For program point L685(lines 685 691) no Hoare annotation was computed. [2019-12-07 21:01:24,687 INFO L242 CegarLoopResult]: At program point L685-1(lines 685 691) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 21:01:24,687 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 21:01:24,687 INFO L242 CegarLoopResult]: At program point L455(lines 450 458) the Hoare annotation is: false [2019-12-07 21:01:24,687 INFO L242 CegarLoopResult]: At program point L455-1(lines 450 458) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 21:01:24,687 INFO L242 CegarLoopResult]: At program point L455-2(lines 450 458) the Hoare annotation is: false [2019-12-07 21:01:24,687 INFO L242 CegarLoopResult]: At program point L455-3(lines 450 458) the Hoare annotation is: false [2019-12-07 21:01:24,687 INFO L242 CegarLoopResult]: At program point L455-4(lines 450 458) the Hoare annotation is: false [2019-12-07 21:01:24,687 INFO L242 CegarLoopResult]: At program point L455-5(lines 450 458) the Hoare annotation is: false [2019-12-07 21:01:24,687 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 496) no Hoare annotation was computed. [2019-12-07 21:01:24,688 INFO L246 CegarLoopResult]: For program point L555(lines 555 559) no Hoare annotation was computed. [2019-12-07 21:01:24,688 INFO L246 CegarLoopResult]: For program point L555-1(lines 739 745) no Hoare annotation was computed. [2019-12-07 21:01:24,688 INFO L242 CegarLoopResult]: At program point L721(lines 674 722) the Hoare annotation is: false [2019-12-07 21:01:24,688 INFO L246 CegarLoopResult]: For program point L771(lines 771 788) no Hoare annotation was computed. [2019-12-07 21:01:24,688 INFO L246 CegarLoopResult]: For program point L771-1(lines 771 788) no Hoare annotation was computed. [2019-12-07 21:01:24,688 INFO L246 CegarLoopResult]: For program point L705(lines 705 716) no Hoare annotation was computed. [2019-12-07 21:01:24,688 INFO L246 CegarLoopResult]: For program point L771-2(lines 771 788) no Hoare annotation was computed. [2019-12-07 21:01:24,688 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 21:01:24,688 INFO L242 CegarLoopResult]: At program point L739(lines 738 757) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 21:01:24,688 INFO L246 CegarLoopResult]: For program point L739-1(lines 739 745) no Hoare annotation was computed. [2019-12-07 21:01:24,688 INFO L242 CegarLoopResult]: At program point L739-2(lines 738 757) the Hoare annotation is: false [2019-12-07 21:01:24,689 INFO L242 CegarLoopResult]: At program point L739-3(lines 738 757) the Hoare annotation is: false [2019-12-07 21:01:24,689 INFO L246 CegarLoopResult]: For program point L442(lines 442 446) no Hoare annotation was computed. [2019-12-07 21:01:24,689 INFO L246 CegarLoopResult]: For program point L624(lines 624 631) no Hoare annotation was computed. [2019-12-07 21:01:24,689 INFO L249 CegarLoopResult]: At program point L624-1(lines 624 631) the Hoare annotation is: true [2019-12-07 21:01:24,689 INFO L242 CegarLoopResult]: At program point L526(lines 1 880) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 21:01:24,689 INFO L242 CegarLoopResult]: At program point L841(lines 836 844) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 21:01:24,689 INFO L242 CegarLoopResult]: At program point L841-1(lines 836 844) the Hoare annotation is: false [2019-12-07 21:01:24,689 INFO L246 CegarLoopResult]: For program point L775(lines 775 783) no Hoare annotation was computed. [2019-12-07 21:01:24,689 INFO L242 CegarLoopResult]: At program point L841-2(lines 836 844) the Hoare annotation is: false [2019-12-07 21:01:24,689 INFO L246 CegarLoopResult]: For program point L775-1(lines 775 783) no Hoare annotation was computed. [2019-12-07 21:01:24,689 INFO L246 CegarLoopResult]: For program point L775-2(lines 775 783) no Hoare annotation was computed. [2019-12-07 21:01:24,690 INFO L246 CegarLoopResult]: For program point L676(lines 675 720) no Hoare annotation was computed. [2019-12-07 21:01:24,690 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 21:01:24,690 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 496) no Hoare annotation was computed. [2019-12-07 21:01:24,690 INFO L246 CegarLoopResult]: For program point L677(lines 677 681) no Hoare annotation was computed. [2019-12-07 21:01:24,690 INFO L246 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2019-12-07 21:01:24,690 INFO L246 CegarLoopResult]: For program point L496-1(line 496) no Hoare annotation was computed. [2019-12-07 21:01:24,690 INFO L246 CegarLoopResult]: For program point L430(lines 430 434) no Hoare annotation was computed. [2019-12-07 21:01:24,690 INFO L246 CegarLoopResult]: For program point L496-2(line 496) no Hoare annotation was computed. [2019-12-07 21:01:24,690 INFO L246 CegarLoopResult]: For program point L711(lines 711 715) no Hoare annotation was computed. [2019-12-07 21:01:24,690 INFO L246 CegarLoopResult]: For program point L711-2(lines 739 745) no Hoare annotation was computed. [2019-12-07 21:01:24,690 INFO L246 CegarLoopResult]: For program point L695(lines 695 701) no Hoare annotation was computed. [2019-12-07 21:01:24,691 INFO L242 CegarLoopResult]: At program point L695-1(lines 695 701) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 21:01:24,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 09:01:24 BoogieIcfgContainer [2019-12-07 21:01:24,702 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 21:01:24,703 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 21:01:24,703 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 21:01:24,703 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 21:01:24,703 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:01:22" (3/4) ... [2019-12-07 21:01:24,706 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 21:01:24,716 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 21:01:24,716 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 21:01:24,717 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 21:01:24,717 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 21:01:24,718 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 21:01:24,718 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 21:01:24,718 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 21:01:24,739 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == pumpRunning && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32 [2019-12-07 21:01:24,770 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3f4fc90b-7ce2-43db-a41f-18dd7afaf838/bin/utaipan/witness.graphml [2019-12-07 21:01:24,770 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 21:01:24,771 INFO L168 Benchmark]: Toolchain (without parser) took 3634.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 952.4 MB in the beginning and 799.6 MB in the end (delta: 152.8 MB). Peak memory consumption was 280.2 MB. Max. memory is 11.5 GB. [2019-12-07 21:01:24,771 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:01:24,772 INFO L168 Benchmark]: CACSL2BoogieTranslator took 391.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -155.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-12-07 21:01:24,772 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 21:01:24,772 INFO L168 Benchmark]: Boogie Preprocessor took 27.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:01:24,772 INFO L168 Benchmark]: RCFGBuilder took 487.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 73.2 MB). Peak memory consumption was 73.2 MB. Max. memory is 11.5 GB. [2019-12-07 21:01:24,773 INFO L168 Benchmark]: TraceAbstraction took 2616.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 806.5 MB in the end (delta: 216.2 MB). Peak memory consumption was 216.2 MB. Max. memory is 11.5 GB. [2019-12-07 21:01:24,773 INFO L168 Benchmark]: Witness Printer took 67.27 ms. Allocated memory is still 1.2 GB. Free memory was 806.5 MB in the beginning and 799.6 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 21:01:24,774 INFO L335 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 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 391.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -155.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 487.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 73.2 MB). Peak memory consumption was 73.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2616.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 806.5 MB in the end (delta: 216.2 MB). Peak memory consumption was 216.2 MB. Max. memory is 11.5 GB. * Witness Printer took 67.27 ms. Allocated memory is still 1.2 GB. Free memory was 806.5 MB in the beginning and 799.6 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 496]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 496]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 496]: 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: 450]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32 - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 614]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 596]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 69 locations, 3 error locations. Result: SAFE, OverallTime: 2.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 286 SDtfs, 305 SDslu, 238 SDs, 0 SdLazy, 53 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 202 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 55 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 30 PreInvPairs, 65 NumberOfFragments, 143 HoareAnnotationTreeSize, 30 FomulaSimplifications, 945 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 30 FomulaSimplificationsInter, 293 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 194 ConstructedInterpolants, 0 QuantifiedInterpolants, 8519 SizeOfPredicates, 8 NumberOfNonLiveVariables, 903 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...