./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product25.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_b8457f4a-acb0-47d4-a32e-09400cc82c2b/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8457f4a-acb0-47d4-a32e-09400cc82c2b/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_b8457f4a-acb0-47d4-a32e-09400cc82c2b/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8457f4a-acb0-47d4-a32e-09400cc82c2b/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8457f4a-acb0-47d4-a32e-09400cc82c2b/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_b8457f4a-acb0-47d4-a32e-09400cc82c2b/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 24356a2f1c32c3171f965552405bf63c18ffd4b2 ............................................................................................................................................ 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_b8457f4a-acb0-47d4-a32e-09400cc82c2b/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8457f4a-acb0-47d4-a32e-09400cc82c2b/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_b8457f4a-acb0-47d4-a32e-09400cc82c2b/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8457f4a-acb0-47d4-a32e-09400cc82c2b/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8457f4a-acb0-47d4-a32e-09400cc82c2b/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_b8457f4a-acb0-47d4-a32e-09400cc82c2b/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 24356a2f1c32c3171f965552405bf63c18ffd4b2 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 02:28:10,849 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:28:10,851 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:28:10,880 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:28:10,881 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:28:10,883 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:28:10,884 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:28:10,887 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:28:10,889 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:28:10,890 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:28:10,891 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:28:10,892 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:28:10,893 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:28:10,894 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:28:10,895 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:28:10,897 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:28:10,898 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:28:10,899 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:28:10,900 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:28:10,903 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:28:10,905 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:28:10,906 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:28:10,907 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:28:10,908 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:28:10,912 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:28:10,912 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:28:10,913 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:28:10,914 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:28:10,914 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:28:10,916 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:28:10,916 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:28:10,917 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:28:10,918 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:28:10,919 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:28:10,920 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:28:10,921 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:28:10,922 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:28:10,922 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:28:10,922 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:28:10,923 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:28:10,924 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:28:10,925 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8457f4a-acb0-47d4-a32e-09400cc82c2b/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:28:10,950 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:28:10,950 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:28:10,951 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:28:10,951 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:28:10,951 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:28:10,952 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:28:10,952 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:28:10,952 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:28:10,952 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:28:10,953 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:28:10,953 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:28:10,953 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:28:10,953 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:28:10,953 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:28:10,954 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:28:10,954 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:28:10,955 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:28:10,955 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:28:10,955 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:28:10,955 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:28:10,955 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:28:10,956 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:28:10,956 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:28:10,956 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:28:10,956 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:28:10,957 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:28:10,957 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:28:10,957 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:28:10,957 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:28:10,957 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:28:10,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:28:10,958 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:28:10,958 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:28:10,958 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:28:10,959 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:28:10,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:28:10,959 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:28:10,959 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:28:10,959 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:28:10,960 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_b8457f4a-acb0-47d4-a32e-09400cc82c2b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8457f4a-acb0-47d4-a32e-09400cc82c2b/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24356a2f1c32c3171f965552405bf63c18ffd4b2 [2021-10-11 02:28:11,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:28:11,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:28:11,273 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:28:11,275 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:28:11,276 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:28:11,276 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8457f4a-acb0-47d4-a32e-09400cc82c2b/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c [2021-10-11 02:28:11,352 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8457f4a-acb0-47d4-a32e-09400cc82c2b/bin/utaipan-WLngWcDbfI/data/0efea9b90/1ece5f7f7ed041aba14b3ff5cf64495d/FLAGc55519837 [2021-10-11 02:28:11,840 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:28:11,840 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8457f4a-acb0-47d4-a32e-09400cc82c2b/sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c [2021-10-11 02:28:11,872 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8457f4a-acb0-47d4-a32e-09400cc82c2b/bin/utaipan-WLngWcDbfI/data/0efea9b90/1ece5f7f7ed041aba14b3ff5cf64495d/FLAGc55519837 [2021-10-11 02:28:12,146 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8457f4a-acb0-47d4-a32e-09400cc82c2b/bin/utaipan-WLngWcDbfI/data/0efea9b90/1ece5f7f7ed041aba14b3ff5cf64495d [2021-10-11 02:28:12,149 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:28:12,150 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:28:12,152 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:28:12,153 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:28:12,156 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:28:12,157 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:12" (1/1) ... [2021-10-11 02:28:12,158 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@325faf8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:12, skipping insertion in model container [2021-10-11 02:28:12,159 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:12" (1/1) ... [2021-10-11 02:28:12,166 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:28:12,209 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:28:12,466 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_b8457f4a-acb0-47d4-a32e-09400cc82c2b/sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c[7481,7494] [2021-10-11 02:28:12,520 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:28:12,531 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 02:28:12,531 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4a99a06b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:12, skipping insertion in model container [2021-10-11 02:28:12,532 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:28:12,532 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:28:12,534 INFO L168 Benchmark]: Toolchain (without parser) took 382.63 ms. Allocated memory is still 104.9 MB. Free memory was 68.4 MB in the beginning and 78.5 MB in the end (delta: -10.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:12,535 INFO L168 Benchmark]: CDTParser took 0.82 ms. Allocated memory is still 104.9 MB. Free memory was 85.6 MB in the beginning and 85.5 MB in the end (delta: 65.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:28:12,536 INFO L168 Benchmark]: CACSL2BoogieTranslator took 379.80 ms. Allocated memory is still 104.9 MB. Free memory was 68.2 MB in the beginning and 78.5 MB in the end (delta: -10.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:12,538 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.82 ms. Allocated memory is still 104.9 MB. Free memory was 85.6 MB in the beginning and 85.5 MB in the end (delta: 65.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 379.80 ms. Allocated memory is still 104.9 MB. Free memory was 68.2 MB in the beginning and 78.5 MB in the end (delta: -10.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 592]: 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 02:28:14,717 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:28:14,719 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:28:14,755 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:28:14,756 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:28:14,758 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:28:14,759 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:28:14,762 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:28:14,764 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:28:14,765 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:28:14,766 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:28:14,768 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:28:14,768 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:28:14,770 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:28:14,771 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:28:14,772 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:28:14,774 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:28:14,775 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:28:14,777 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:28:14,780 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:28:14,782 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:28:14,783 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:28:14,785 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:28:14,786 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:28:14,789 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:28:14,790 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:28:14,790 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:28:14,791 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:28:14,792 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:28:14,793 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:28:14,794 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:28:14,795 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:28:14,795 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:28:14,796 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:28:14,800 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:28:14,801 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:28:14,802 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:28:14,802 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:28:14,803 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:28:14,804 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:28:14,805 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:28:14,806 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8457f4a-acb0-47d4-a32e-09400cc82c2b/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:28:14,831 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:28:14,831 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:28:14,832 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:28:14,832 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:28:14,833 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:28:14,834 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:28:14,836 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:28:14,837 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:28:14,837 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:28:14,838 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:28:14,839 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:28:14,839 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:28:14,840 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:28:14,840 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:28:14,840 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:28:14,840 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:28:14,841 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:28:14,841 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:28:14,841 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:28:14,841 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:28:14,841 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:28:14,842 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:28:14,842 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:28:14,842 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:28:14,842 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:28:14,843 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:28:14,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:28:14,843 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:28:14,844 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:28:14,844 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:28:14,844 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:28:14,845 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:28:14,845 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:28:14,845 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:28:14,845 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:28:14,846 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_b8457f4a-acb0-47d4-a32e-09400cc82c2b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8457f4a-acb0-47d4-a32e-09400cc82c2b/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24356a2f1c32c3171f965552405bf63c18ffd4b2 [2021-10-11 02:28:15,227 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:28:15,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:28:15,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:28:15,257 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:28:15,258 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:28:15,259 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8457f4a-acb0-47d4-a32e-09400cc82c2b/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c [2021-10-11 02:28:15,338 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8457f4a-acb0-47d4-a32e-09400cc82c2b/bin/utaipan-WLngWcDbfI/data/8f7aacc8b/8dec0578f13b468fb06efe9396f59b42/FLAG1a8c426f8 [2021-10-11 02:28:15,924 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:28:15,935 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8457f4a-acb0-47d4-a32e-09400cc82c2b/sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c [2021-10-11 02:28:15,954 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8457f4a-acb0-47d4-a32e-09400cc82c2b/bin/utaipan-WLngWcDbfI/data/8f7aacc8b/8dec0578f13b468fb06efe9396f59b42/FLAG1a8c426f8 [2021-10-11 02:28:16,188 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8457f4a-acb0-47d4-a32e-09400cc82c2b/bin/utaipan-WLngWcDbfI/data/8f7aacc8b/8dec0578f13b468fb06efe9396f59b42 [2021-10-11 02:28:16,191 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:28:16,192 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:28:16,193 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:28:16,194 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:28:16,197 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:28:16,198 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:16" (1/1) ... [2021-10-11 02:28:16,201 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@411d985d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:16, skipping insertion in model container [2021-10-11 02:28:16,206 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:16" (1/1) ... [2021-10-11 02:28:16,213 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:28:16,263 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:28:16,474 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_b8457f4a-acb0-47d4-a32e-09400cc82c2b/sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c[7481,7494] [2021-10-11 02:28:16,573 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:28:16,588 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:28:16,595 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:28:16,629 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_b8457f4a-acb0-47d4-a32e-09400cc82c2b/sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c[7481,7494] [2021-10-11 02:28:16,686 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:28:16,704 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:28:16,741 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_b8457f4a-acb0-47d4-a32e-09400cc82c2b/sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c[7481,7494] [2021-10-11 02:28:16,766 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:28:16,802 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:28:16,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:16 WrapperNode [2021-10-11 02:28:16,804 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:28:16,805 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:28:16,805 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:28:16,805 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:28:16,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:16" (1/1) ... [2021-10-11 02:28:16,839 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:16" (1/1) ... [2021-10-11 02:28:16,883 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:28:16,884 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:28:16,885 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:28:16,885 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:28:16,893 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:16" (1/1) ... [2021-10-11 02:28:16,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:16" (1/1) ... [2021-10-11 02:28:16,898 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:16" (1/1) ... [2021-10-11 02:28:16,899 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:16" (1/1) ... [2021-10-11 02:28:16,910 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:16" (1/1) ... [2021-10-11 02:28:16,917 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:16" (1/1) ... [2021-10-11 02:28:16,920 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:16" (1/1) ... [2021-10-11 02:28:16,925 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:28:16,926 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:28:16,926 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:28:16,926 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:28:16,927 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:16" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8457f4a-acb0-47d4-a32e-09400cc82c2b/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 02:28:17,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:28:17,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:28:17,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:28:17,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:28:19,178 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:28:19,178 INFO L299 CfgBuilder]: Removed 98 assume(true) statements. [2021-10-11 02:28:19,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:28:19 BoogieIcfgContainer [2021-10-11 02:28:19,180 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:28:19,182 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:28:19,182 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:28:19,184 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:28:19,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:28:16" (1/3) ... [2021-10-11 02:28:19,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5736e13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:28:19, skipping insertion in model container [2021-10-11 02:28:19,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:16" (2/3) ... [2021-10-11 02:28:19,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5736e13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:28:19, skipping insertion in model container [2021-10-11 02:28:19,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:28:19" (3/3) ... [2021-10-11 02:28:19,188 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product25.cil.c [2021-10-11 02:28:19,200 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:28:19,207 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:28:19,218 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:28:19,242 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:28:19,242 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:28:19,242 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:28:19,243 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:28:19,243 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:28:19,243 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:28:19,243 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:28:19,243 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:28:19,257 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states. [2021-10-11 02:28:19,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 02:28:19,263 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:19,263 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:28:19,264 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:19,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:19,269 INFO L82 PathProgramCache]: Analyzing trace with hash 1001432226, now seen corresponding path program 1 times [2021-10-11 02:28:19,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:19,286 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [572194434] [2021-10-11 02:28:19,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8457f4a-acb0-47d4-a32e-09400cc82c2b/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 02:28:19,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:19,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:28:19,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:19,536 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 02:28:19,537 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:19,537 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [572194434] [2021-10-11 02:28:19,538 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:19,538 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:28:19,539 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937122384] [2021-10-11 02:28:19,543 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:28:19,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:19,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:28:19,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:28:19,557 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 2 states. [2021-10-11 02:28:19,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:19,582 INFO L93 Difference]: Finished difference Result 151 states and 228 transitions. [2021-10-11 02:28:19,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:28:19,583 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 02:28:19,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:19,592 INFO L225 Difference]: With dead ends: 151 [2021-10-11 02:28:19,593 INFO L226 Difference]: Without dead ends: 75 [2021-10-11 02:28:19,595 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 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 02:28:19,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-10-11 02:28:19,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2021-10-11 02:28:19,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2021-10-11 02:28:19,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 106 transitions. [2021-10-11 02:28:19,640 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 106 transitions. Word has length 18 [2021-10-11 02:28:19,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:19,641 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 106 transitions. [2021-10-11 02:28:19,641 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:28:19,642 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2021-10-11 02:28:19,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 02:28:19,643 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:19,644 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:28:19,848 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:28:19,848 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:19,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:19,849 INFO L82 PathProgramCache]: Analyzing trace with hash -434799197, now seen corresponding path program 1 times [2021-10-11 02:28:19,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:19,850 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1123922074] [2021-10-11 02:28:19,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8457f4a-acb0-47d4-a32e-09400cc82c2b/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 02:28:20,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:20,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:28:20,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:20,137 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 02:28:20,137 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:20,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1123922074] [2021-10-11 02:28:20,138 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:20,138 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:28:20,138 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624904471] [2021-10-11 02:28:20,139 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:28:20,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:20,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:28:20,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:28:20,141 INFO L87 Difference]: Start difference. First operand 75 states and 106 transitions. Second operand 3 states. [2021-10-11 02:28:20,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:20,159 INFO L93 Difference]: Finished difference Result 75 states and 106 transitions. [2021-10-11 02:28:20,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:28:20,160 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 02:28:20,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:20,163 INFO L225 Difference]: With dead ends: 75 [2021-10-11 02:28:20,163 INFO L226 Difference]: Without dead ends: 35 [2021-10-11 02:28:20,164 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 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 02:28:20,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-10-11 02:28:20,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-10-11 02:28:20,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2021-10-11 02:28:20,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2021-10-11 02:28:20,180 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2021-10-11 02:28:20,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:20,182 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2021-10-11 02:28:20,183 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:28:20,183 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2021-10-11 02:28:20,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:28:20,185 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:20,185 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:28:20,397 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:28:20,397 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:20,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:20,398 INFO L82 PathProgramCache]: Analyzing trace with hash -1568486346, now seen corresponding path program 1 times [2021-10-11 02:28:20,398 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:20,399 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [78036828] [2021-10-11 02:28:20,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8457f4a-acb0-47d4-a32e-09400cc82c2b/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 02:28:20,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:20,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:28:20,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:20,681 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 02:28:20,681 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:20,682 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [78036828] [2021-10-11 02:28:20,682 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:20,682 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:28:20,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949145040] [2021-10-11 02:28:20,683 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:28:20,683 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:20,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:28:20,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:28:20,684 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 3 states. [2021-10-11 02:28:20,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:20,701 INFO L93 Difference]: Finished difference Result 63 states and 91 transitions. [2021-10-11 02:28:20,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:28:20,705 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:28:20,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:20,706 INFO L225 Difference]: With dead ends: 63 [2021-10-11 02:28:20,706 INFO L226 Difference]: Without dead ends: 35 [2021-10-11 02:28:20,707 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 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 02:28:20,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-10-11 02:28:20,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-10-11 02:28:20,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2021-10-11 02:28:20,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 48 transitions. [2021-10-11 02:28:20,712 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 48 transitions. Word has length 24 [2021-10-11 02:28:20,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:20,712 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 48 transitions. [2021-10-11 02:28:20,712 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:28:20,712 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2021-10-11 02:28:20,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 02:28:20,713 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:20,713 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:28:20,933 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:28:20,933 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:20,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:20,934 INFO L82 PathProgramCache]: Analyzing trace with hash -1679469095, now seen corresponding path program 1 times [2021-10-11 02:28:20,935 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:20,936 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1667741289] [2021-10-11 02:28:20,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8457f4a-acb0-47d4-a32e-09400cc82c2b/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 02:28:21,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:21,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:28:21,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:21,186 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 02:28:21,186 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:21,186 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1667741289] [2021-10-11 02:28:21,186 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:21,187 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:28:21,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708523848] [2021-10-11 02:28:21,187 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:28:21,188 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:21,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:28:21,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:28:21,189 INFO L87 Difference]: Start difference. First operand 35 states and 48 transitions. Second operand 5 states. [2021-10-11 02:28:21,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:21,288 INFO L93 Difference]: Finished difference Result 154 states and 228 transitions. [2021-10-11 02:28:21,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 02:28:21,289 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2021-10-11 02:28:21,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:21,290 INFO L225 Difference]: With dead ends: 154 [2021-10-11 02:28:21,291 INFO L226 Difference]: Without dead ends: 126 [2021-10-11 02:28:21,291 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:28:21,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2021-10-11 02:28:21,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 58. [2021-10-11 02:28:21,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2021-10-11 02:28:21,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 81 transitions. [2021-10-11 02:28:21,303 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 81 transitions. Word has length 25 [2021-10-11 02:28:21,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:21,303 INFO L481 AbstractCegarLoop]: Abstraction has 58 states and 81 transitions. [2021-10-11 02:28:21,303 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:28:21,304 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 81 transitions. [2021-10-11 02:28:21,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 02:28:21,305 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:21,305 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:28:21,520 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:28:21,521 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:21,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:21,521 INFO L82 PathProgramCache]: Analyzing trace with hash -1573698991, now seen corresponding path program 1 times [2021-10-11 02:28:21,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:21,522 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [122338794] [2021-10-11 02:28:21,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8457f4a-acb0-47d4-a32e-09400cc82c2b/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 02:28:21,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:21,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:28:21,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:21,799 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 02:28:21,800 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:21,800 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [122338794] [2021-10-11 02:28:21,801 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:21,801 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:28:21,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280915541] [2021-10-11 02:28:21,802 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:28:21,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:21,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:28:21,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:28:21,803 INFO L87 Difference]: Start difference. First operand 58 states and 81 transitions. Second operand 5 states. [2021-10-11 02:28:21,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:21,905 INFO L93 Difference]: Finished difference Result 150 states and 218 transitions. [2021-10-11 02:28:21,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:28:21,906 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2021-10-11 02:28:21,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:21,907 INFO L225 Difference]: With dead ends: 150 [2021-10-11 02:28:21,907 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:28:21,917 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:28:21,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:28:21,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:28:21,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:28:21,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:28:21,923 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2021-10-11 02:28:21,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:21,923 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:28:21,923 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:28:21,924 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:28:21,924 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:28:22,135 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:28:22,136 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:28:22,615 INFO L262 CegarLoopResult]: For program point L547-2(lines 547 553) no Hoare annotation was computed. [2021-10-11 02:28:22,615 INFO L262 CegarLoopResult]: For program point L415(lines 415 419) no Hoare annotation was computed. [2021-10-11 02:28:22,615 INFO L262 CegarLoopResult]: For program point L547-4(lines 547 553) no Hoare annotation was computed. [2021-10-11 02:28:22,615 INFO L262 CegarLoopResult]: For program point L415-2(lines 415 419) no Hoare annotation was computed. [2021-10-11 02:28:22,615 INFO L262 CegarLoopResult]: For program point L415-3(lines 415 419) no Hoare annotation was computed. [2021-10-11 02:28:22,615 INFO L262 CegarLoopResult]: For program point L415-5(lines 415 419) no Hoare annotation was computed. [2021-10-11 02:28:22,615 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 520) no Hoare annotation was computed. [2021-10-11 02:28:22,615 INFO L262 CegarLoopResult]: For program point L415-6(lines 415 419) no Hoare annotation was computed. [2021-10-11 02:28:22,616 INFO L262 CegarLoopResult]: For program point L415-8(lines 415 419) no Hoare annotation was computed. [2021-10-11 02:28:22,616 INFO L258 CegarLoopResult]: At program point L531(lines 526 533) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:28:22,616 INFO L258 CegarLoopResult]: At program point L366(lines 361 369) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:28:22,616 INFO L258 CegarLoopResult]: At program point L366-1(lines 361 369) the Hoare annotation is: false [2021-10-11 02:28:22,616 INFO L258 CegarLoopResult]: At program point L366-2(lines 361 369) the Hoare annotation is: false [2021-10-11 02:28:22,616 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:28:22,616 INFO L262 CegarLoopResult]: For program point L433(lines 433 437) no Hoare annotation was computed. [2021-10-11 02:28:22,617 INFO L262 CegarLoopResult]: For program point L433-3(lines 433 437) no Hoare annotation was computed. [2021-10-11 02:28:22,617 INFO L262 CegarLoopResult]: For program point L433-6(lines 433 437) no Hoare annotation was computed. [2021-10-11 02:28:22,617 INFO L258 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2021-10-11 02:28:22,617 INFO L262 CegarLoopResult]: For program point L203(lines 203 209) no Hoare annotation was computed. [2021-10-11 02:28:22,617 INFO L258 CegarLoopResult]: At program point L170(lines 1 928) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:28:22,617 INFO L258 CegarLoopResult]: At program point L203-1(lines 203 209) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:28:22,617 INFO L262 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2021-10-11 02:28:22,617 INFO L258 CegarLoopResult]: At program point L270(lines 270 276) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:28:22,618 INFO L258 CegarLoopResult]: At program point L270-1(lines 270 276) the Hoare annotation is: false [2021-10-11 02:28:22,618 INFO L258 CegarLoopResult]: At program point L270-2(lines 270 276) the Hoare annotation is: false [2021-10-11 02:28:22,618 INFO L258 CegarLoopResult]: At program point L105(lines 101 107) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:28:22,618 INFO L258 CegarLoopResult]: At program point L470(lines 465 473) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:28:22,618 INFO L258 CegarLoopResult]: At program point L470-1(lines 465 473) the Hoare annotation is: false [2021-10-11 02:28:22,618 INFO L258 CegarLoopResult]: At program point L470-2(lines 465 473) the Hoare annotation is: false [2021-10-11 02:28:22,618 INFO L258 CegarLoopResult]: At program point L239(lines 192 240) the Hoare annotation is: false [2021-10-11 02:28:22,619 INFO L262 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2021-10-11 02:28:22,619 INFO L262 CegarLoopResult]: For program point L520-1(line 520) no Hoare annotation was computed. [2021-10-11 02:28:22,619 INFO L262 CegarLoopResult]: For program point L520-2(line 520) no Hoare annotation was computed. [2021-10-11 02:28:22,619 INFO L258 CegarLoopResult]: At program point L421(lines 406 424) the Hoare annotation is: false [2021-10-11 02:28:22,619 INFO L258 CegarLoopResult]: At program point L421-1(lines 406 424) the Hoare annotation is: false [2021-10-11 02:28:22,619 INFO L258 CegarLoopResult]: At program point L421-2(lines 406 424) the Hoare annotation is: false [2021-10-11 02:28:22,619 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:28:22,619 INFO L262 CegarLoopResult]: For program point L223(lines 223 234) no Hoare annotation was computed. [2021-10-11 02:28:22,619 INFO L262 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2021-10-11 02:28:22,620 INFO L262 CegarLoopResult]: For program point L58-1(lines 263 269) no Hoare annotation was computed. [2021-10-11 02:28:22,620 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 520) no Hoare annotation was computed. [2021-10-11 02:28:22,620 INFO L265 CegarLoopResult]: At program point L143(lines 124 146) the Hoare annotation is: true [2021-10-11 02:28:22,620 INFO L262 CegarLoopResult]: For program point L457(lines 457 461) no Hoare annotation was computed. [2021-10-11 02:28:22,620 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:28:22,620 INFO L262 CegarLoopResult]: For program point L194(lines 193 238) no Hoare annotation was computed. [2021-10-11 02:28:22,620 INFO L258 CegarLoopResult]: At program point L178(lines 173 181) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:28:22,620 INFO L262 CegarLoopResult]: For program point L195(lines 195 199) no Hoare annotation was computed. [2021-10-11 02:28:22,621 INFO L262 CegarLoopResult]: For program point L542(lines 542 559) no Hoare annotation was computed. [2021-10-11 02:28:22,621 INFO L258 CegarLoopResult]: At program point L542-1(lines 1 928) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:28:22,621 INFO L262 CegarLoopResult]: For program point L542-2(lines 542 559) no Hoare annotation was computed. [2021-10-11 02:28:22,621 INFO L258 CegarLoopResult]: At program point L542-3(lines 1 928) the Hoare annotation is: false [2021-10-11 02:28:22,621 INFO L262 CegarLoopResult]: For program point L542-4(lines 542 559) no Hoare annotation was computed. [2021-10-11 02:28:22,621 INFO L258 CegarLoopResult]: At program point L542-5(lines 1 928) the Hoare annotation is: false [2021-10-11 02:28:22,621 INFO L262 CegarLoopResult]: For program point L295(lines 295 312) no Hoare annotation was computed. [2021-10-11 02:28:22,621 INFO L262 CegarLoopResult]: For program point L295-1(lines 295 312) no Hoare annotation was computed. [2021-10-11 02:28:22,621 INFO L262 CegarLoopResult]: For program point L229(lines 229 233) no Hoare annotation was computed. [2021-10-11 02:28:22,622 INFO L262 CegarLoopResult]: For program point L295-2(lines 295 312) no Hoare annotation was computed. [2021-10-11 02:28:22,622 INFO L262 CegarLoopResult]: For program point L229-2(lines 263 269) no Hoare annotation was computed. [2021-10-11 02:28:22,622 INFO L262 CegarLoopResult]: For program point L213(lines 213 219) no Hoare annotation was computed. [2021-10-11 02:28:22,622 INFO L258 CegarLoopResult]: At program point L213-1(lines 213 219) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:28:22,622 INFO L258 CegarLoopResult]: At program point L263(lines 262 281) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:28:22,622 INFO L262 CegarLoopResult]: For program point L263-1(lines 263 269) no Hoare annotation was computed. [2021-10-11 02:28:22,622 INFO L258 CegarLoopResult]: At program point L263-2(lines 262 281) the Hoare annotation is: false [2021-10-11 02:28:22,622 INFO L258 CegarLoopResult]: At program point L263-3(lines 262 281) the Hoare annotation is: false [2021-10-11 02:28:22,623 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:28:22,623 INFO L258 CegarLoopResult]: At program point L511(lines 506 514) the Hoare annotation is: false [2021-10-11 02:28:22,623 INFO L258 CegarLoopResult]: At program point L511-1(lines 506 514) the Hoare annotation is: false [2021-10-11 02:28:22,623 INFO L262 CegarLoopResult]: For program point L445(lines 445 449) no Hoare annotation was computed. [2021-10-11 02:28:22,623 INFO L258 CegarLoopResult]: At program point L511-2(lines 506 514) the Hoare annotation is: false [2021-10-11 02:28:22,623 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 520) no Hoare annotation was computed. [2021-10-11 02:28:22,623 INFO L262 CegarLoopResult]: For program point L546(lines 546 556) no Hoare annotation was computed. [2021-10-11 02:28:22,623 INFO L262 CegarLoopResult]: For program point L546-2(lines 546 556) no Hoare annotation was computed. [2021-10-11 02:28:22,624 INFO L262 CegarLoopResult]: For program point L546-4(lines 546 556) no Hoare annotation was computed. [2021-10-11 02:28:22,624 INFO L262 CegarLoopResult]: For program point L299(lines 299 307) no Hoare annotation was computed. [2021-10-11 02:28:22,624 INFO L262 CegarLoopResult]: For program point L299-1(lines 299 307) no Hoare annotation was computed. [2021-10-11 02:28:22,624 INFO L262 CegarLoopResult]: For program point L299-2(lines 299 307) no Hoare annotation was computed. [2021-10-11 02:28:22,624 INFO L262 CegarLoopResult]: For program point L134(lines 134 141) no Hoare annotation was computed. [2021-10-11 02:28:22,624 INFO L265 CegarLoopResult]: At program point L134-1(lines 134 141) the Hoare annotation is: true [2021-10-11 02:28:22,627 INFO L262 CegarLoopResult]: For program point L547(lines 547 553) no Hoare annotation was computed. [2021-10-11 02:28:22,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:28:22 BoogieIcfgContainer [2021-10-11 02:28:22,656 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:28:22,656 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:28:22,656 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:28:22,656 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:28:22,657 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:28:19" (3/4) ... [2021-10-11 02:28:22,659 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:28:22,682 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:28:22,683 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:28:22,684 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:28:22,684 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:28:22,685 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:28:22,685 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:28:22,686 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:28:22,717 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2021-10-11 02:28:22,790 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8457f4a-acb0-47d4-a32e-09400cc82c2b/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:28:22,790 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:28:22,791 INFO L168 Benchmark]: Toolchain (without parser) took 6598.30 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 45.6 MB in the beginning and 28.1 MB in the end (delta: 17.5 MB). Peak memory consumption was 30.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:22,792 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 67.1 MB. Free memory is still 47.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:28:22,792 INFO L168 Benchmark]: CACSL2BoogieTranslator took 610.66 ms. Allocated memory is still 67.1 MB. Free memory was 45.3 MB in the beginning and 34.0 MB in the end (delta: 11.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:22,793 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.87 ms. Allocated memory is still 67.1 MB. Free memory was 34.0 MB in the beginning and 48.6 MB in the end (delta: -14.7 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:22,793 INFO L168 Benchmark]: Boogie Preprocessor took 40.86 ms. Allocated memory is still 67.1 MB. Free memory was 48.6 MB in the beginning and 46.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:22,793 INFO L168 Benchmark]: RCFGBuilder took 2254.32 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 46.3 MB in the beginning and 42.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 24.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:22,794 INFO L168 Benchmark]: TraceAbstraction took 3474.07 ms. Allocated memory is still 81.8 MB. Free memory was 42.3 MB in the beginning and 34.4 MB in the end (delta: 7.9 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:22,794 INFO L168 Benchmark]: Witness Printer took 133.67 ms. Allocated memory is still 81.8 MB. Free memory was 34.4 MB in the beginning and 28.1 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:22,797 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 67.1 MB. Free memory is still 47.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 610.66 ms. Allocated memory is still 67.1 MB. Free memory was 45.3 MB in the beginning and 34.0 MB in the end (delta: 11.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 78.87 ms. Allocated memory is still 67.1 MB. Free memory was 34.0 MB in the beginning and 48.6 MB in the end (delta: -14.7 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 40.86 ms. Allocated memory is still 67.1 MB. Free memory was 48.6 MB in the beginning and 46.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2254.32 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 46.3 MB in the beginning and 42.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 24.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3474.07 ms. Allocated memory is still 81.8 MB. Free memory was 42.3 MB in the beginning and 34.4 MB in the end (delta: 7.9 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB. * Witness Printer took 133.67 ms. Allocated memory is still 81.8 MB. Free memory was 34.4 MB in the beginning and 28.1 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 520]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 520]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 520]: 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: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 465]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 361]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 361]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 361]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 465]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 465]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 79 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 328 SDtfs, 299 SDslu, 294 SDs, 0 SdLazy, 41 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 115 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 68 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 66 NumberOfFragments, 155 HoareAnnotationTreeSize, 31 FomulaSimplifications, 795 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 31 FomulaSimplificationsInter, 398 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 5197 SizeOfPredicates, 7 NumberOfNonLiveVariables, 988 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...