./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product02.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_worker_vcloud-master_on_vcloud-master/run_dir_e1f8ab0f-aea8-4ed3-883a-2d32510f307e/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f8ab0f-aea8-4ed3-883a-2d32510f307e/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f8ab0f-aea8-4ed3-883a-2d32510f307e/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f8ab0f-aea8-4ed3-883a-2d32510f307e/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f8ab0f-aea8-4ed3-883a-2d32510f307e/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f8ab0f-aea8-4ed3-883a-2d32510f307e/bin/utaipan-WLngWcDbfI --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 6a18f617941e8cdfed5633e004145f254bf7fa9d ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f8ab0f-aea8-4ed3-883a-2d32510f307e/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f8ab0f-aea8-4ed3-883a-2d32510f307e/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f8ab0f-aea8-4ed3-883a-2d32510f307e/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f8ab0f-aea8-4ed3-883a-2d32510f307e/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f8ab0f-aea8-4ed3-883a-2d32510f307e/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f8ab0f-aea8-4ed3-883a-2d32510f307e/bin/utaipan-WLngWcDbfI --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 6a18f617941e8cdfed5633e004145f254bf7fa9d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:25:22,774 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:25:22,776 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:25:22,810 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:25:22,811 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:25:22,817 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:25:22,821 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:25:22,823 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:25:22,825 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:25:22,826 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:25:22,827 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:25:22,829 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:25:22,829 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:25:22,830 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:25:22,832 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:25:22,833 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:25:22,834 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:25:22,835 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:25:22,837 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:25:22,840 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:25:22,841 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:25:22,843 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:25:22,845 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:25:22,846 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:25:22,849 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:25:22,850 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:25:22,850 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:25:22,851 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:25:22,852 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:25:22,853 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:25:22,853 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:25:22,854 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:25:22,855 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:25:22,856 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:25:22,858 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:25:22,858 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:25:22,859 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:25:22,859 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:25:22,860 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:25:22,861 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:25:22,862 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:25:22,863 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f8ab0f-aea8-4ed3-883a-2d32510f307e/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:25:22,890 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:25:22,890 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:25:22,891 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:25:22,891 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:25:22,892 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:25:22,892 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:25:22,892 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:25:22,892 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:25:22,892 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:25:22,893 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:25:22,893 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:25:22,893 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:25:22,893 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:25:22,894 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:25:22,894 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:25:22,895 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:25:22,895 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:25:22,895 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:25:22,895 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:25:22,895 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:25:22,896 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:25:22,896 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:25:22,896 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:25:22,896 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:25:22,896 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:25:22,897 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:25:22,897 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:25:22,897 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:25:22,897 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:25:22,901 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:25:22,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:25:22,901 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:25:22,902 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:25:22,902 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:25:22,902 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:25:22,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:25:22,903 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:25:22,903 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:25:22,903 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:25:22,904 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_worker_vcloud-master_on_vcloud-master/run_dir_e1f8ab0f-aea8-4ed3-883a-2d32510f307e/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f8ab0f-aea8-4ed3-883a-2d32510f307e/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a18f617941e8cdfed5633e004145f254bf7fa9d [2021-10-11 02:25:23,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:25:23,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:25:23,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:25:23,204 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:25:23,205 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:25:23,206 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f8ab0f-aea8-4ed3-883a-2d32510f307e/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c [2021-10-11 02:25:23,281 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f8ab0f-aea8-4ed3-883a-2d32510f307e/bin/utaipan-WLngWcDbfI/data/273787874/3214fc719c664db799d8178674ef43bc/FLAG80ae9eb8a [2021-10-11 02:25:23,750 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:25:23,751 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f8ab0f-aea8-4ed3-883a-2d32510f307e/sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c [2021-10-11 02:25:23,767 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f8ab0f-aea8-4ed3-883a-2d32510f307e/bin/utaipan-WLngWcDbfI/data/273787874/3214fc719c664db799d8178674ef43bc/FLAG80ae9eb8a [2021-10-11 02:25:24,120 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f8ab0f-aea8-4ed3-883a-2d32510f307e/bin/utaipan-WLngWcDbfI/data/273787874/3214fc719c664db799d8178674ef43bc [2021-10-11 02:25:24,122 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:25:24,124 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:25:24,126 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:24,126 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:25:24,129 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:25:24,130 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:24" (1/1) ... [2021-10-11 02:25:24,132 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5180812a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:24, skipping insertion in model container [2021-10-11 02:25:24,132 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:24" (1/1) ... [2021-10-11 02:25:24,140 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:25:24,187 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:25:24,367 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f8ab0f-aea8-4ed3-883a-2d32510f307e/sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c[1281,1294] [2021-10-11 02:25:24,509 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:25:24,522 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) [2021-10-11 02:25:24,522 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@14c655ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:24, skipping insertion in model container [2021-10-11 02:25:24,523 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:24,523 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:25:24,533 INFO L168 Benchmark]: Toolchain (without parser) took 407.54 ms. Allocated memory is still 109.1 MB. Free memory was 78.6 MB in the beginning and 82.7 MB in the end (delta: -4.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:24,534 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 109.1 MB. Free memory is still 63.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:25:24,535 INFO L168 Benchmark]: CACSL2BoogieTranslator took 397.51 ms. Allocated memory is still 109.1 MB. Free memory was 78.6 MB in the beginning and 82.7 MB in the end (delta: -4.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:24,537 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 109.1 MB. Free memory is still 63.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 397.51 ms. Allocated memory is still 109.1 MB. Free memory was 78.6 MB in the beginning and 82.7 MB in the end (delta: -4.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 419]: 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 [2021-10-11 02:25:26,903 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:25:26,916 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:25:26,954 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:25:26,955 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:25:26,960 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:25:26,962 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:25:26,964 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:25:26,967 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:25:26,968 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:25:26,970 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:25:26,971 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:25:26,972 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:25:26,973 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:25:26,975 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:25:26,976 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:25:26,977 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:25:26,986 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:25:26,992 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:25:26,994 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:25:26,996 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:25:27,001 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:25:27,002 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:25:27,004 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:25:27,008 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:25:27,008 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:25:27,009 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:25:27,010 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:25:27,011 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:25:27,012 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:25:27,012 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:25:27,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:25:27,014 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:25:27,015 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:25:27,016 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:25:27,016 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:25:27,016 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:25:27,017 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:25:27,017 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:25:27,018 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:25:27,018 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:25:27,020 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f8ab0f-aea8-4ed3-883a-2d32510f307e/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:25:27,063 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:25:27,063 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:25:27,064 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:25:27,064 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:25:27,065 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:25:27,065 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:25:27,065 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:25:27,065 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:25:27,065 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:25:27,066 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:25:27,066 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:25:27,067 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:25:27,067 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:25:27,067 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:25:27,067 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:25:27,068 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:25:27,068 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:25:27,068 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:25:27,068 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:25:27,068 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:25:27,069 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:25:27,069 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:25:27,069 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:25:27,069 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:25:27,070 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:25:27,070 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:25:27,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:25:27,070 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:25:27,071 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:25:27,071 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:25:27,071 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:25:27,071 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:25:27,071 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:25:27,072 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:25:27,072 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:25:27,072 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_worker_vcloud-master_on_vcloud-master/run_dir_e1f8ab0f-aea8-4ed3-883a-2d32510f307e/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f8ab0f-aea8-4ed3-883a-2d32510f307e/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a18f617941e8cdfed5633e004145f254bf7fa9d [2021-10-11 02:25:27,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:25:27,559 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:25:27,563 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:25:27,564 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:25:27,565 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:25:27,566 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f8ab0f-aea8-4ed3-883a-2d32510f307e/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c [2021-10-11 02:25:27,648 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f8ab0f-aea8-4ed3-883a-2d32510f307e/bin/utaipan-WLngWcDbfI/data/c5d598158/dd53d69b930549b182e4bd8b2c30d35e/FLAGb0beae6c0 [2021-10-11 02:25:28,305 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:25:28,305 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f8ab0f-aea8-4ed3-883a-2d32510f307e/sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c [2021-10-11 02:25:28,343 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f8ab0f-aea8-4ed3-883a-2d32510f307e/bin/utaipan-WLngWcDbfI/data/c5d598158/dd53d69b930549b182e4bd8b2c30d35e/FLAGb0beae6c0 [2021-10-11 02:25:28,588 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f8ab0f-aea8-4ed3-883a-2d32510f307e/bin/utaipan-WLngWcDbfI/data/c5d598158/dd53d69b930549b182e4bd8b2c30d35e [2021-10-11 02:25:28,590 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:25:28,591 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:25:28,594 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:28,594 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:25:28,598 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:25:28,599 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:28" (1/1) ... [2021-10-11 02:25:28,602 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9dcb9d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:28, skipping insertion in model container [2021-10-11 02:25:28,603 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:28" (1/1) ... [2021-10-11 02:25:28,610 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:25:28,665 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:25:28,811 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f8ab0f-aea8-4ed3-883a-2d32510f307e/sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c[1281,1294] [2021-10-11 02:25:29,014 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:25:29,029 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:25:29,038 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:25:29,042 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f8ab0f-aea8-4ed3-883a-2d32510f307e/sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c[1281,1294] [2021-10-11 02:25:29,120 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:25:29,133 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:25:29,155 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f8ab0f-aea8-4ed3-883a-2d32510f307e/sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c[1281,1294] [2021-10-11 02:25:29,253 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:25:29,302 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:25:29,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:29 WrapperNode [2021-10-11 02:25:29,303 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:29,304 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:25:29,304 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:25:29,304 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:25:29,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:29" (1/1) ... [2021-10-11 02:25:29,344 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:29" (1/1) ... [2021-10-11 02:25:29,382 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:25:29,383 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:25:29,383 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:25:29,384 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:25:29,393 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:29" (1/1) ... [2021-10-11 02:25:29,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:29" (1/1) ... [2021-10-11 02:25:29,397 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:29" (1/1) ... [2021-10-11 02:25:29,397 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:29" (1/1) ... [2021-10-11 02:25:29,406 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:29" (1/1) ... [2021-10-11 02:25:29,412 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:29" (1/1) ... [2021-10-11 02:25:29,415 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:29" (1/1) ... [2021-10-11 02:25:29,418 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:25:29,419 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:25:29,419 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:25:29,419 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:25:29,420 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:29" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f8ab0f-aea8-4ed3-883a-2d32510f307e/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:25:29,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:25:29,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:25:29,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:25:29,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:25:31,857 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:25:31,857 INFO L299 CfgBuilder]: Removed 68 assume(true) statements. [2021-10-11 02:25:31,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:25:31 BoogieIcfgContainer [2021-10-11 02:25:31,860 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:25:31,863 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:25:31,864 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:25:31,867 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:25:31,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:25:28" (1/3) ... [2021-10-11 02:25:31,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@506c0622 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:25:31, skipping insertion in model container [2021-10-11 02:25:31,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:29" (2/3) ... [2021-10-11 02:25:31,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@506c0622 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:25:31, skipping insertion in model container [2021-10-11 02:25:31,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:25:31" (3/3) ... [2021-10-11 02:25:31,870 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product02.cil.c [2021-10-11 02:25:31,882 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:25:31,886 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:25:31,897 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:25:31,922 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:25:31,923 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:25:31,923 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:25:31,923 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:25:31,923 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:25:31,923 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:25:31,923 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:25:31,923 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:25:31,937 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states. [2021-10-11 02:25:31,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 02:25:31,942 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:31,943 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:31,943 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:31,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:31,949 INFO L82 PathProgramCache]: Analyzing trace with hash 1537784819, now seen corresponding path program 1 times [2021-10-11 02:25:31,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:31,965 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [283238851] [2021-10-11 02:25:31,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f8ab0f-aea8-4ed3-883a-2d32510f307e/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:25:32,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:32,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:25:32,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:32,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:25:32,405 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:32,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [283238851] [2021-10-11 02:25:32,407 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:32,407 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:25:32,408 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388904769] [2021-10-11 02:25:32,412 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:25:32,412 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:32,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:25:32,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:25:32,428 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 2 states. [2021-10-11 02:25:32,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:32,449 INFO L93 Difference]: Finished difference Result 108 states and 161 transitions. [2021-10-11 02:25:32,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:25:32,450 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 02:25:32,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:32,459 INFO L225 Difference]: With dead ends: 108 [2021-10-11 02:25:32,459 INFO L226 Difference]: Without dead ends: 53 [2021-10-11 02:25:32,462 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 [2021-10-11 02:25:32,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-10-11 02:25:32,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-10-11 02:25:32,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2021-10-11 02:25:32,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2021-10-11 02:25:32,496 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 16 [2021-10-11 02:25:32,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:32,497 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2021-10-11 02:25:32,497 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:25:32,497 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2021-10-11 02:25:32,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 02:25:32,498 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:32,498 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:32,719 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:25:32,719 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:32,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:32,720 INFO L82 PathProgramCache]: Analyzing trace with hash 1979941713, now seen corresponding path program 1 times [2021-10-11 02:25:32,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:32,721 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1545760585] [2021-10-11 02:25:32,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f8ab0f-aea8-4ed3-883a-2d32510f307e/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:25:32,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:32,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:25:32,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:33,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:25:33,016 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:33,017 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1545760585] [2021-10-11 02:25:33,017 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:33,017 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:25:33,017 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965431279] [2021-10-11 02:25:33,018 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:25:33,019 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:33,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:25:33,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:33,020 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand 3 states. [2021-10-11 02:25:33,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:33,030 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2021-10-11 02:25:33,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:25:33,031 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 02:25:33,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:33,032 INFO L225 Difference]: With dead ends: 53 [2021-10-11 02:25:33,032 INFO L226 Difference]: Without dead ends: 27 [2021-10-11 02:25:33,033 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 [2021-10-11 02:25:33,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-10-11 02:25:33,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-10-11 02:25:33,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-10-11 02:25:33,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2021-10-11 02:25:33,038 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 17 [2021-10-11 02:25:33,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:33,038 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2021-10-11 02:25:33,038 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:25:33,039 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2021-10-11 02:25:33,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 02:25:33,039 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:33,040 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] [2021-10-11 02:25:33,255 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:25:33,255 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:33,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:33,256 INFO L82 PathProgramCache]: Analyzing trace with hash -1992386864, now seen corresponding path program 1 times [2021-10-11 02:25:33,256 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:33,257 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2080106945] [2021-10-11 02:25:33,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f8ab0f-aea8-4ed3-883a-2d32510f307e/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:25:33,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:33,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:25:33,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:33,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:25:33,579 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:33,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2080106945] [2021-10-11 02:25:33,579 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:33,579 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:25:33,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726418691] [2021-10-11 02:25:33,580 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:25:33,580 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:33,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:25:33,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:25:33,582 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand 5 states. [2021-10-11 02:25:33,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:33,716 INFO L93 Difference]: Finished difference Result 90 states and 136 transitions. [2021-10-11 02:25:33,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:25:33,717 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2021-10-11 02:25:33,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:33,720 INFO L225 Difference]: With dead ends: 90 [2021-10-11 02:25:33,720 INFO L226 Difference]: Without dead ends: 69 [2021-10-11 02:25:33,721 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-11 02:25:33,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-10-11 02:25:33,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 44. [2021-10-11 02:25:33,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2021-10-11 02:25:33,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 61 transitions. [2021-10-11 02:25:33,731 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 61 transitions. Word has length 22 [2021-10-11 02:25:33,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:33,731 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 61 transitions. [2021-10-11 02:25:33,731 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:25:33,732 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 61 transitions. [2021-10-11 02:25:33,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-11 02:25:33,733 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:33,733 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] [2021-10-11 02:25:33,946 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:25:33,946 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:33,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:33,947 INFO L82 PathProgramCache]: Analyzing trace with hash 25205966, now seen corresponding path program 1 times [2021-10-11 02:25:33,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:33,948 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [680675641] [2021-10-11 02:25:33,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f8ab0f-aea8-4ed3-883a-2d32510f307e/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:25:34,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:34,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-11 02:25:34,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:34,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:25:34,273 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:34,273 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [680675641] [2021-10-11 02:25:34,273 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:34,273 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:25:34,274 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152273484] [2021-10-11 02:25:34,274 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:25:34,274 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:34,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:25:34,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:25:34,276 INFO L87 Difference]: Start difference. First operand 44 states and 61 transitions. Second operand 6 states. [2021-10-11 02:25:35,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:35,922 INFO L93 Difference]: Finished difference Result 115 states and 170 transitions. [2021-10-11 02:25:35,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 02:25:35,923 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2021-10-11 02:25:35,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:35,924 INFO L225 Difference]: With dead ends: 115 [2021-10-11 02:25:35,924 INFO L226 Difference]: Without dead ends: 94 [2021-10-11 02:25:35,925 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:25:35,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2021-10-11 02:25:35,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 78. [2021-10-11 02:25:35,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2021-10-11 02:25:35,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 111 transitions. [2021-10-11 02:25:35,940 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 111 transitions. Word has length 23 [2021-10-11 02:25:35,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:35,940 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 111 transitions. [2021-10-11 02:25:35,940 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:25:35,940 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 111 transitions. [2021-10-11 02:25:35,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-11 02:25:35,942 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:35,942 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] [2021-10-11 02:25:36,163 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:25:36,163 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:36,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:36,164 INFO L82 PathProgramCache]: Analyzing trace with hash 1296861074, now seen corresponding path program 1 times [2021-10-11 02:25:36,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:36,164 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1581042511] [2021-10-11 02:25:36,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f8ab0f-aea8-4ed3-883a-2d32510f307e/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:25:36,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:36,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:25:36,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:36,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:25:36,388 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:36,388 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1581042511] [2021-10-11 02:25:36,389 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:36,389 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:25:36,389 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110424376] [2021-10-11 02:25:36,390 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:25:36,390 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:36,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:25:36,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:36,391 INFO L87 Difference]: Start difference. First operand 78 states and 111 transitions. Second operand 3 states. [2021-10-11 02:25:36,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:36,403 INFO L93 Difference]: Finished difference Result 95 states and 135 transitions. [2021-10-11 02:25:36,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:25:36,404 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2021-10-11 02:25:36,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:36,404 INFO L225 Difference]: With dead ends: 95 [2021-10-11 02:25:36,404 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:25:36,406 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:36,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:25:36,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:25:36,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:25:36,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:25:36,410 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2021-10-11 02:25:36,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:36,411 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:25:36,411 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:25:36,411 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:25:36,411 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:25:36,627 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:25:36,629 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:25:37,167 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 02:25:37,168 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:25:37,168 INFO L265 CegarLoopResult]: At program point L848(lines 829 851) the Hoare annotation is: true [2021-10-11 02:25:37,168 INFO L262 CegarLoopResult]: For program point L303(lines 303 307) no Hoare annotation was computed. [2021-10-11 02:25:37,168 INFO L262 CegarLoopResult]: For program point L237(lines 237 243) no Hoare annotation was computed. [2021-10-11 02:25:37,169 INFO L258 CegarLoopResult]: At program point L237-1(lines 237 243) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1))) [2021-10-11 02:25:37,170 INFO L258 CegarLoopResult]: At program point L816(lines 812 818) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:25:37,170 INFO L258 CegarLoopResult]: At program point L106(lines 105 124) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1))) [2021-10-11 02:25:37,171 INFO L262 CegarLoopResult]: For program point L106-1(lines 106 112) no Hoare annotation was computed. [2021-10-11 02:25:37,172 INFO L258 CegarLoopResult]: At program point L106-2(lines 105 124) the Hoare annotation is: false [2021-10-11 02:25:37,172 INFO L258 CegarLoopResult]: At program point L106-3(lines 105 124) the Hoare annotation is: false [2021-10-11 02:25:37,172 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:25:37,172 INFO L258 CegarLoopResult]: At program point L768-2(lines 768 782) the Hoare annotation is: false [2021-10-11 02:25:37,172 INFO L262 CegarLoopResult]: For program point L257(lines 257 270) no Hoare annotation was computed. [2021-10-11 02:25:37,172 INFO L262 CegarLoopResult]: For program point L769(line 769) no Hoare annotation was computed. [2021-10-11 02:25:37,173 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 02:25:37,173 INFO L262 CegarLoopResult]: For program point L373(lines 373 386) no Hoare annotation was computed. [2021-10-11 02:25:37,178 INFO L258 CegarLoopResult]: At program point L373-1(lines 1 851) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 (_ bv4294967294 32)) (_ bv0 32))) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1))) [2021-10-11 02:25:37,179 INFO L262 CegarLoopResult]: For program point L373-2(lines 373 386) no Hoare annotation was computed. [2021-10-11 02:25:37,180 INFO L258 CegarLoopResult]: At program point L373-3(lines 1 851) the Hoare annotation is: false [2021-10-11 02:25:37,181 INFO L262 CegarLoopResult]: For program point L373-4(lines 373 386) no Hoare annotation was computed. [2021-10-11 02:25:37,181 INFO L258 CegarLoopResult]: At program point L373-5(lines 1 851) the Hoare annotation is: false [2021-10-11 02:25:37,181 INFO L258 CegarLoopResult]: At program point L76(lines 1 851) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:25:37,181 INFO L262 CegarLoopResult]: For program point L291(lines 291 295) no Hoare annotation was computed. [2021-10-11 02:25:37,181 INFO L262 CegarLoopResult]: For program point L291-3(lines 291 295) no Hoare annotation was computed. [2021-10-11 02:25:37,182 INFO L262 CegarLoopResult]: For program point L291-6(lines 291 295) no Hoare annotation was computed. [2021-10-11 02:25:37,182 INFO L258 CegarLoopResult]: At program point L275(lines 226 276) the Hoare annotation is: false [2021-10-11 02:25:37,183 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:25:37,183 INFO L262 CegarLoopResult]: For program point L772(lines 772 776) no Hoare annotation was computed. [2021-10-11 02:25:37,183 INFO L262 CegarLoopResult]: For program point L772-1(lines 106 112) no Hoare annotation was computed. [2021-10-11 02:25:37,183 INFO L262 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2021-10-11 02:25:37,183 INFO L262 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2021-10-11 02:25:37,183 INFO L262 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2021-10-11 02:25:37,184 INFO L258 CegarLoopResult]: At program point L360(lines 355 363) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv2 32) ~waterLevel~0) .cse1 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)))) [2021-10-11 02:25:37,184 INFO L262 CegarLoopResult]: For program point L839(lines 839 846) no Hoare annotation was computed. [2021-10-11 02:25:37,184 INFO L258 CegarLoopResult]: At program point L360-1(lines 355 363) the Hoare annotation is: false [2021-10-11 02:25:37,184 INFO L258 CegarLoopResult]: At program point L360-2(lines 355 363) the Hoare annotation is: false [2021-10-11 02:25:37,185 INFO L265 CegarLoopResult]: At program point L839-1(lines 839 846) the Hoare annotation is: true [2021-10-11 02:25:37,185 INFO L262 CegarLoopResult]: For program point L228(lines 227 274) no Hoare annotation was computed. [2021-10-11 02:25:37,185 INFO L262 CegarLoopResult]: For program point L377(lines 377 383) no Hoare annotation was computed. [2021-10-11 02:25:37,185 INFO L262 CegarLoopResult]: For program point L377-2(lines 377 383) no Hoare annotation was computed. [2021-10-11 02:25:37,185 INFO L262 CegarLoopResult]: For program point L377-4(lines 377 383) no Hoare annotation was computed. [2021-10-11 02:25:37,185 INFO L258 CegarLoopResult]: At program point L113(lines 113 119) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1))) [2021-10-11 02:25:37,186 INFO L258 CegarLoopResult]: At program point L113-1(lines 113 119) the Hoare annotation is: false [2021-10-11 02:25:37,186 INFO L258 CegarLoopResult]: At program point L113-2(lines 113 119) the Hoare annotation is: false [2021-10-11 02:25:37,186 INFO L262 CegarLoopResult]: For program point L229(lines 229 233) no Hoare annotation was computed. [2021-10-11 02:25:37,186 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:25:37,186 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 02:25:37,186 INFO L262 CegarLoopResult]: For program point L247(lines 247 253) no Hoare annotation was computed. [2021-10-11 02:25:37,187 INFO L258 CegarLoopResult]: At program point L247-1(lines 247 253) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1))) [2021-10-11 02:25:37,187 INFO L258 CegarLoopResult]: At program point L165(lines 160 168) the Hoare annotation is: false [2021-10-11 02:25:37,187 INFO L258 CegarLoopResult]: At program point L165-1(lines 160 168) the Hoare annotation is: false [2021-10-11 02:25:37,188 INFO L258 CegarLoopResult]: At program point L165-2(lines 160 168) the Hoare annotation is: false [2021-10-11 02:25:37,188 INFO L262 CegarLoopResult]: For program point L265(lines 265 269) no Hoare annotation was computed. [2021-10-11 02:25:37,188 INFO L258 CegarLoopResult]: At program point L265-2(lines 106 112) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1))) [2021-10-11 02:25:37,189 INFO L262 CegarLoopResult]: For program point L315(lines 315 319) no Hoare annotation was computed. [2021-10-11 02:25:37,189 INFO L258 CegarLoopResult]: At program point L84(lines 79 87) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:25:37,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:25:37 BoogieIcfgContainer [2021-10-11 02:25:37,226 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:25:37,227 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:25:37,227 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:25:37,227 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:25:37,228 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:25:31" (3/4) ... [2021-10-11 02:25:37,231 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:25:37,252 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:25:37,253 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:25:37,254 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:25:37,254 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:25:37,255 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:25:37,255 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:25:37,256 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:25:37,283 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && 2bv32 == \result) && ~bvadd64(tmp, 4294967294bv32) == 0bv32) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) [2021-10-11 02:25:37,287 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && 2bv32 == waterLevel) && 0bv32 == pumpRunning) && 2bv32 == \result) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) [2021-10-11 02:25:37,352 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f8ab0f-aea8-4ed3-883a-2d32510f307e/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:25:37,352 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:25:37,354 INFO L168 Benchmark]: Toolchain (without parser) took 8761.21 ms. Allocated memory was 58.7 MB in the beginning and 86.0 MB in the end (delta: 27.3 MB). Free memory was 36.2 MB in the beginning and 61.9 MB in the end (delta: -25.7 MB). Peak memory consumption was 39.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:37,354 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 58.7 MB. Free memory was 40.2 MB in the beginning and 40.2 MB in the end (delta: 42.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:25:37,355 INFO L168 Benchmark]: CACSL2BoogieTranslator took 709.20 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 36.0 MB in the beginning and 38.6 MB in the end (delta: -2.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:37,356 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.47 ms. Allocated memory is still 71.3 MB. Free memory was 38.4 MB in the beginning and 53.6 MB in the end (delta: -15.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:37,356 INFO L168 Benchmark]: Boogie Preprocessor took 35.00 ms. Allocated memory is still 71.3 MB. Free memory was 53.6 MB in the beginning and 51.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:37,357 INFO L168 Benchmark]: RCFGBuilder took 2441.69 ms. Allocated memory is still 71.3 MB. Free memory was 51.5 MB in the beginning and 36.1 MB in the end (delta: 15.3 MB). Peak memory consumption was 23.0 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:37,360 INFO L168 Benchmark]: TraceAbstraction took 5362.95 ms. Allocated memory was 71.3 MB in the beginning and 86.0 MB in the end (delta: 14.7 MB). Free memory was 35.7 MB in the beginning and 26.1 MB in the end (delta: 9.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:37,360 INFO L168 Benchmark]: Witness Printer took 125.33 ms. Allocated memory is still 86.0 MB. Free memory was 26.1 MB in the beginning and 61.9 MB in the end (delta: -35.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:37,366 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 58.7 MB. Free memory was 40.2 MB in the beginning and 40.2 MB in the end (delta: 42.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 709.20 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 36.0 MB in the beginning and 38.6 MB in the end (delta: -2.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 78.47 ms. Allocated memory is still 71.3 MB. Free memory was 38.4 MB in the beginning and 53.6 MB in the end (delta: -15.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 35.00 ms. Allocated memory is still 71.3 MB. Free memory was 53.6 MB in the beginning and 51.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2441.69 ms. Allocated memory is still 71.3 MB. Free memory was 51.5 MB in the beginning and 36.1 MB in the end (delta: 15.3 MB). Peak memory consumption was 23.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5362.95 ms. Allocated memory was 71.3 MB in the beginning and 86.0 MB in the end (delta: 14.7 MB). Free memory was 35.7 MB in the beginning and 26.1 MB in the end (delta: 9.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 16.1 GB. * Witness Printer took 125.33 ms. Allocated memory is still 86.0 MB. Free memory was 26.1 MB in the beginning and 61.9 MB in the end (delta: -35.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: 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: 113]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 105]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 105]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && 2bv32 == \result) && ~bvadd64(tmp, 4294967294bv32) == 0bv32) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 768]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 355]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 2bv32 == waterLevel) && 0bv32 == pumpRunning) && 2bv32 == \result) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 355]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 355]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 105]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 57 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 266 SDtfs, 217 SDslu, 286 SDs, 0 SdLazy, 76 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 102 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred 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, 41 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 25 PreInvPairs, 41 NumberOfFragments, 217 HoareAnnotationTreeSize, 25 FomulaSimplifications, 359 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 25 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 101 NumberOfCodeBlocks, 101 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 96 ConstructedInterpolants, 0 QuantifiedInterpolants, 5360 SizeOfPredicates, 7 NumberOfNonLiveVariables, 976 ConjunctsInSsa, 16 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...