./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product21.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_ba5591c8-cfb0-4843-bcf7-93c029da9776/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5591c8-cfb0-4843-bcf7-93c029da9776/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_ba5591c8-cfb0-4843-bcf7-93c029da9776/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5591c8-cfb0-4843-bcf7-93c029da9776/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product21.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5591c8-cfb0-4843-bcf7-93c029da9776/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_ba5591c8-cfb0-4843-bcf7-93c029da9776/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 3db1272a61775d34f69f5bded6b264e1f3c0c6e0 ............................................................................................................................................ 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_ba5591c8-cfb0-4843-bcf7-93c029da9776/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5591c8-cfb0-4843-bcf7-93c029da9776/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_ba5591c8-cfb0-4843-bcf7-93c029da9776/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5591c8-cfb0-4843-bcf7-93c029da9776/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product21.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5591c8-cfb0-4843-bcf7-93c029da9776/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_ba5591c8-cfb0-4843-bcf7-93c029da9776/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 3db1272a61775d34f69f5bded6b264e1f3c0c6e0 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:31:00,781 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:31:00,783 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:31:00,813 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:31:00,814 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:31:00,815 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:31:00,817 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:31:00,819 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:31:00,821 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:31:00,823 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:31:00,824 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:31:00,825 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:31:00,826 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:31:00,827 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:31:00,829 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:31:00,830 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:31:00,832 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:31:00,833 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:31:00,835 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:31:00,837 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:31:00,839 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:31:00,841 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:31:00,843 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:31:00,844 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:31:00,847 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:31:00,848 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:31:00,849 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:31:00,850 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:31:00,850 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:31:00,852 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:31:00,852 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:31:00,853 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:31:00,854 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:31:00,855 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:31:00,856 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:31:00,857 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:31:00,858 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:31:00,858 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:31:00,858 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:31:00,859 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:31:00,860 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:31:00,861 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5591c8-cfb0-4843-bcf7-93c029da9776/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:31:00,885 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:31:00,886 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:31:00,887 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:31:00,887 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:31:00,887 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:31:00,888 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:31:00,888 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:31:00,888 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:31:00,888 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:31:00,889 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:31:00,889 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:31:00,889 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:31:00,889 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:31:00,890 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:31:00,890 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:31:00,891 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:31:00,891 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:31:00,891 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:31:00,892 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:31:00,892 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:31:00,892 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:31:00,893 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:31:00,893 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:31:00,893 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:31:00,893 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:31:00,894 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:31:00,894 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:31:00,894 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:31:00,895 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:31:00,895 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:31:00,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:31:00,896 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:31:00,896 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:31:00,896 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:31:00,896 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:31:00,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:31:00,897 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:31:00,897 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:31:00,898 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:31:00,898 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_ba5591c8-cfb0-4843-bcf7-93c029da9776/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5591c8-cfb0-4843-bcf7-93c029da9776/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3db1272a61775d34f69f5bded6b264e1f3c0c6e0 [2021-10-11 02:31:01,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:31:01,182 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:31:01,185 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:31:01,187 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:31:01,187 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:31:01,188 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5591c8-cfb0-4843-bcf7-93c029da9776/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec3_product21.cil.c [2021-10-11 02:31:01,292 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5591c8-cfb0-4843-bcf7-93c029da9776/bin/utaipan-WLngWcDbfI/data/6486b9d47/9621428aad3d48159e504138fa2aec6f/FLAG6dd86dea5 [2021-10-11 02:31:01,840 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:31:01,841 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5591c8-cfb0-4843-bcf7-93c029da9776/sv-benchmarks/c/product-lines/minepump_spec3_product21.cil.c [2021-10-11 02:31:01,854 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5591c8-cfb0-4843-bcf7-93c029da9776/bin/utaipan-WLngWcDbfI/data/6486b9d47/9621428aad3d48159e504138fa2aec6f/FLAG6dd86dea5 [2021-10-11 02:31:02,152 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5591c8-cfb0-4843-bcf7-93c029da9776/bin/utaipan-WLngWcDbfI/data/6486b9d47/9621428aad3d48159e504138fa2aec6f [2021-10-11 02:31:02,154 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:31:02,156 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:31:02,160 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:31:02,160 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:31:02,163 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:31:02,164 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:31:02" (1/1) ... [2021-10-11 02:31:02,166 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@362a4fa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:02, skipping insertion in model container [2021-10-11 02:31:02,167 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:31:02" (1/1) ... [2021-10-11 02:31:02,174 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:31:02,215 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:31:02,528 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_ba5591c8-cfb0-4843-bcf7-93c029da9776/sv-benchmarks/c/product-lines/minepump_spec3_product21.cil.c[13493,13506] [2021-10-11 02:31:02,558 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:31:02,570 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 02:31:02,571 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2bf729eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:02, skipping insertion in model container [2021-10-11 02:31:02,571 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:31:02,571 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:31:02,574 INFO L168 Benchmark]: Toolchain (without parser) took 416.52 ms. Allocated memory is still 134.2 MB. Free memory was 100.8 MB in the beginning and 107.0 MB in the end (delta: -6.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:02,575 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 81.8 MB. Free memory was 35.5 MB in the beginning and 35.4 MB in the end (delta: 43.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:31:02,576 INFO L168 Benchmark]: CACSL2BoogieTranslator took 411.85 ms. Allocated memory is still 134.2 MB. Free memory was 100.5 MB in the beginning and 107.0 MB in the end (delta: -6.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:02,578 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 81.8 MB. Free memory was 35.5 MB in the beginning and 35.4 MB in the end (delta: 43.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 411.85 ms. Allocated memory is still 134.2 MB. Free memory was 100.5 MB in the beginning and 107.0 MB in the end (delta: -6.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 70]: 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 02:31:04,831 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:31:04,834 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:31:04,866 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:31:04,867 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:31:04,868 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:31:04,870 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:31:04,873 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:31:04,875 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:31:04,877 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:31:04,881 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:31:04,884 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:31:04,885 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:31:04,889 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:31:04,892 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:31:04,895 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:31:04,897 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:31:04,903 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:31:04,905 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:31:04,911 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:31:04,916 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:31:04,918 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:31:04,920 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:31:04,923 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:31:04,928 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:31:04,929 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:31:04,929 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:31:04,937 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:31:04,938 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:31:04,939 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:31:04,939 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:31:04,940 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:31:04,942 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:31:04,944 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:31:04,945 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:31:04,945 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:31:04,946 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:31:04,946 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:31:04,947 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:31:04,949 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:31:04,949 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:31:04,950 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5591c8-cfb0-4843-bcf7-93c029da9776/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:31:05,011 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:31:05,012 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:31:05,013 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:31:05,013 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:31:05,014 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:31:05,014 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:31:05,014 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:31:05,014 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:31:05,015 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:31:05,016 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:31:05,017 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:31:05,017 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:31:05,018 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:31:05,018 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:31:05,018 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:31:05,018 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:31:05,018 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:31:05,019 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:31:05,019 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:31:05,019 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:31:05,019 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:31:05,020 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:31:05,020 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:31:05,020 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:31:05,020 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:31:05,020 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:31:05,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:31:05,021 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:31:05,021 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:31:05,022 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:31:05,022 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:31:05,022 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:31:05,022 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:31:05,023 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:31:05,023 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:31:05,023 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_ba5591c8-cfb0-4843-bcf7-93c029da9776/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5591c8-cfb0-4843-bcf7-93c029da9776/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3db1272a61775d34f69f5bded6b264e1f3c0c6e0 [2021-10-11 02:31:05,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:31:05,471 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:31:05,474 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:31:05,476 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:31:05,477 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:31:05,478 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5591c8-cfb0-4843-bcf7-93c029da9776/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec3_product21.cil.c [2021-10-11 02:31:05,548 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5591c8-cfb0-4843-bcf7-93c029da9776/bin/utaipan-WLngWcDbfI/data/48b390e29/70b494597b3a43578ef1abe23658cf45/FLAG249bc0b2f [2021-10-11 02:31:06,269 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:31:06,270 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5591c8-cfb0-4843-bcf7-93c029da9776/sv-benchmarks/c/product-lines/minepump_spec3_product21.cil.c [2021-10-11 02:31:06,288 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5591c8-cfb0-4843-bcf7-93c029da9776/bin/utaipan-WLngWcDbfI/data/48b390e29/70b494597b3a43578ef1abe23658cf45/FLAG249bc0b2f [2021-10-11 02:31:06,484 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5591c8-cfb0-4843-bcf7-93c029da9776/bin/utaipan-WLngWcDbfI/data/48b390e29/70b494597b3a43578ef1abe23658cf45 [2021-10-11 02:31:06,487 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:31:06,488 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:31:06,490 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:31:06,490 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:31:06,497 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:31:06,499 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:31:06" (1/1) ... [2021-10-11 02:31:06,507 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17f28cb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:06, skipping insertion in model container [2021-10-11 02:31:06,507 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:31:06" (1/1) ... [2021-10-11 02:31:06,515 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:31:06,590 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:31:06,824 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_ba5591c8-cfb0-4843-bcf7-93c029da9776/sv-benchmarks/c/product-lines/minepump_spec3_product21.cil.c[13493,13506] [2021-10-11 02:31:06,870 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:31:06,904 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:31:06,914 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:31:07,007 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_ba5591c8-cfb0-4843-bcf7-93c029da9776/sv-benchmarks/c/product-lines/minepump_spec3_product21.cil.c[13493,13506] [2021-10-11 02:31:07,043 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:31:07,059 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:31:07,140 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_ba5591c8-cfb0-4843-bcf7-93c029da9776/sv-benchmarks/c/product-lines/minepump_spec3_product21.cil.c[13493,13506] [2021-10-11 02:31:07,157 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:31:07,194 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:31:07,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:07 WrapperNode [2021-10-11 02:31:07,194 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:31:07,196 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:31:07,196 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:31:07,197 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:31:07,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:07" (1/1) ... [2021-10-11 02:31:07,232 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:07" (1/1) ... [2021-10-11 02:31:07,296 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:31:07,297 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:31:07,297 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:31:07,298 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:31:07,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:07" (1/1) ... [2021-10-11 02:31:07,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:07" (1/1) ... [2021-10-11 02:31:07,320 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:07" (1/1) ... [2021-10-11 02:31:07,326 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:07" (1/1) ... [2021-10-11 02:31:07,339 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:07" (1/1) ... [2021-10-11 02:31:07,361 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:07" (1/1) ... [2021-10-11 02:31:07,379 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:07" (1/1) ... [2021-10-11 02:31:07,384 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:31:07,385 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:31:07,385 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:31:07,385 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:31:07,386 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:07" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5591c8-cfb0-4843-bcf7-93c029da9776/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 02:31:07,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:31:07,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:31:07,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:31:07,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:31:10,161 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:31:10,161 INFO L299 CfgBuilder]: Removed 162 assume(true) statements. [2021-10-11 02:31:10,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:31:10 BoogieIcfgContainer [2021-10-11 02:31:10,164 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:31:10,165 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:31:10,166 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:31:10,169 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:31:10,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:31:06" (1/3) ... [2021-10-11 02:31:10,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@373182c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:31:10, skipping insertion in model container [2021-10-11 02:31:10,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:07" (2/3) ... [2021-10-11 02:31:10,171 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@373182c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:31:10, skipping insertion in model container [2021-10-11 02:31:10,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:31:10" (3/3) ... [2021-10-11 02:31:10,173 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product21.cil.c [2021-10-11 02:31:10,188 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:31:10,192 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:31:10,204 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:31:10,236 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:31:10,236 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:31:10,237 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:31:10,237 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:31:10,237 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:31:10,237 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:31:10,237 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:31:10,238 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:31:10,267 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states. [2021-10-11 02:31:10,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 02:31:10,274 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:10,275 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 02:31:10,276 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:10,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:10,282 INFO L82 PathProgramCache]: Analyzing trace with hash -1669144853, now seen corresponding path program 1 times [2021-10-11 02:31:10,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:10,297 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1493189318] [2021-10-11 02:31:10,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5591c8-cfb0-4843-bcf7-93c029da9776/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 02:31:10,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:10,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:31:10,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:10,669 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 02:31:10,669 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:10,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1493189318] [2021-10-11 02:31:10,671 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:10,671 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:31:10,672 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629495614] [2021-10-11 02:31:10,676 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:31:10,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:10,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:31:10,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:31:10,693 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 2 states. [2021-10-11 02:31:10,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:10,724 INFO L93 Difference]: Finished difference Result 216 states and 323 transitions. [2021-10-11 02:31:10,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:31:10,726 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 02:31:10,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:10,738 INFO L225 Difference]: With dead ends: 216 [2021-10-11 02:31:10,738 INFO L226 Difference]: Without dead ends: 107 [2021-10-11 02:31:10,742 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 02:31:10,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-10-11 02:31:10,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2021-10-11 02:31:10,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2021-10-11 02:31:10,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 153 transitions. [2021-10-11 02:31:10,792 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 153 transitions. Word has length 18 [2021-10-11 02:31:10,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:10,792 INFO L481 AbstractCegarLoop]: Abstraction has 107 states and 153 transitions. [2021-10-11 02:31:10,793 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:31:10,793 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 153 transitions. [2021-10-11 02:31:10,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 02:31:10,795 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:10,795 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 02:31:11,016 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:31:11,016 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:11,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:11,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1714791690, now seen corresponding path program 1 times [2021-10-11 02:31:11,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:11,018 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1524391832] [2021-10-11 02:31:11,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5591c8-cfb0-4843-bcf7-93c029da9776/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 02:31:11,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:11,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:31:11,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:11,359 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 02:31:11,360 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:11,360 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1524391832] [2021-10-11 02:31:11,360 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:11,360 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:31:11,361 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538776162] [2021-10-11 02:31:11,362 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:31:11,362 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:11,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:31:11,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:31:11,367 INFO L87 Difference]: Start difference. First operand 107 states and 153 transitions. Second operand 3 states. [2021-10-11 02:31:11,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:11,397 INFO L93 Difference]: Finished difference Result 107 states and 153 transitions. [2021-10-11 02:31:11,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:31:11,398 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 02:31:11,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:11,401 INFO L225 Difference]: With dead ends: 107 [2021-10-11 02:31:11,402 INFO L226 Difference]: Without dead ends: 45 [2021-10-11 02:31:11,404 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 02:31:11,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-10-11 02:31:11,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2021-10-11 02:31:11,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2021-10-11 02:31:11,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2021-10-11 02:31:11,414 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 19 [2021-10-11 02:31:11,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:11,414 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2021-10-11 02:31:11,414 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:31:11,415 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2021-10-11 02:31:11,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:31:11,416 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:11,416 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 02:31:11,633 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:31:11,637 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:11,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:11,638 INFO L82 PathProgramCache]: Analyzing trace with hash -458606052, now seen corresponding path program 1 times [2021-10-11 02:31:11,638 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:11,639 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1425483197] [2021-10-11 02:31:11,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5591c8-cfb0-4843-bcf7-93c029da9776/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 02:31:11,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:11,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:31:11,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:11,918 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 02:31:11,918 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:11,918 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1425483197] [2021-10-11 02:31:11,919 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:11,919 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:31:11,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992493620] [2021-10-11 02:31:11,920 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:31:11,920 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:11,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:31:11,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:31:11,922 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand 3 states. [2021-10-11 02:31:11,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:11,934 INFO L93 Difference]: Finished difference Result 84 states and 122 transitions. [2021-10-11 02:31:11,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:31:11,934 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:31:11,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:11,936 INFO L225 Difference]: With dead ends: 84 [2021-10-11 02:31:11,936 INFO L226 Difference]: Without dead ends: 45 [2021-10-11 02:31:11,937 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 02:31:11,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-10-11 02:31:11,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2021-10-11 02:31:11,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2021-10-11 02:31:11,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 63 transitions. [2021-10-11 02:31:11,946 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 63 transitions. Word has length 24 [2021-10-11 02:31:11,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:11,947 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 63 transitions. [2021-10-11 02:31:11,947 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:31:11,947 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2021-10-11 02:31:11,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 02:31:11,948 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:11,949 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 02:31:12,171 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:31:12,173 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:12,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:12,174 INFO L82 PathProgramCache]: Analyzing trace with hash 708469066, now seen corresponding path program 1 times [2021-10-11 02:31:12,174 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:12,175 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [132097615] [2021-10-11 02:31:12,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5591c8-cfb0-4843-bcf7-93c029da9776/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 02:31:12,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:12,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:31:12,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:12,505 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 02:31:12,506 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:12,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [132097615] [2021-10-11 02:31:12,506 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:12,506 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:31:12,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747335626] [2021-10-11 02:31:12,507 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:31:12,507 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:12,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:31:12,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:31:12,509 INFO L87 Difference]: Start difference. First operand 45 states and 63 transitions. Second operand 5 states. [2021-10-11 02:31:12,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:12,714 INFO L93 Difference]: Finished difference Result 242 states and 360 transitions. [2021-10-11 02:31:12,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 02:31:12,715 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2021-10-11 02:31:12,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:12,721 INFO L225 Difference]: With dead ends: 242 [2021-10-11 02:31:12,721 INFO L226 Difference]: Without dead ends: 203 [2021-10-11 02:31:12,722 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-11 02:31:12,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2021-10-11 02:31:12,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 80. [2021-10-11 02:31:12,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2021-10-11 02:31:12,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 113 transitions. [2021-10-11 02:31:12,760 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 113 transitions. Word has length 26 [2021-10-11 02:31:12,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:12,762 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 113 transitions. [2021-10-11 02:31:12,762 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:31:12,762 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 113 transitions. [2021-10-11 02:31:12,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-11 02:31:12,768 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:12,768 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, 1] [2021-10-11 02:31:12,989 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:31:12,989 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:12,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:12,990 INFO L82 PathProgramCache]: Analyzing trace with hash 99432520, now seen corresponding path program 1 times [2021-10-11 02:31:12,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:12,991 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1667828370] [2021-10-11 02:31:12,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5591c8-cfb0-4843-bcf7-93c029da9776/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 02:31:14,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:31:14,233 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:31:15,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:31:15,095 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:31:15,268 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-11 02:31:15,268 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:31:15,469 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:31:15,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:31:15 BoogieIcfgContainer [2021-10-11 02:31:15,593 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:31:15,594 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:31:15,594 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:31:15,594 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:31:15,595 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:31:10" (3/4) ... [2021-10-11 02:31:15,597 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-11 02:31:15,691 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5591c8-cfb0-4843-bcf7-93c029da9776/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:31:15,691 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:31:15,693 INFO L168 Benchmark]: Toolchain (without parser) took 9203.66 ms. Allocated memory was 77.6 MB in the beginning and 104.9 MB in the end (delta: 27.3 MB). Free memory was 60.2 MB in the beginning and 38.9 MB in the end (delta: 21.3 MB). Peak memory consumption was 47.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:15,694 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 77.6 MB. Free memory is still 58.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:31:15,694 INFO L168 Benchmark]: CACSL2BoogieTranslator took 704.98 ms. Allocated memory is still 77.6 MB. Free memory was 60.0 MB in the beginning and 46.1 MB in the end (delta: 13.9 MB). Peak memory consumption was 16.0 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:15,695 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.50 ms. Allocated memory is still 77.6 MB. Free memory was 46.1 MB in the beginning and 42.6 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:15,695 INFO L168 Benchmark]: Boogie Preprocessor took 86.77 ms. Allocated memory is still 77.6 MB. Free memory was 42.6 MB in the beginning and 39.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:15,696 INFO L168 Benchmark]: RCFGBuilder took 2779.02 ms. Allocated memory was 77.6 MB in the beginning and 104.9 MB in the end (delta: 27.3 MB). Free memory was 39.8 MB in the beginning and 53.3 MB in the end (delta: -13.5 MB). Peak memory consumption was 17.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:15,697 INFO L168 Benchmark]: TraceAbstraction took 5427.70 ms. Allocated memory is still 104.9 MB. Free memory was 53.3 MB in the beginning and 50.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 1.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:15,697 INFO L168 Benchmark]: Witness Printer took 97.72 ms. Allocated memory is still 104.9 MB. Free memory was 50.4 MB in the beginning and 38.9 MB in the end (delta: 11.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:15,700 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 77.6 MB. Free memory is still 58.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 704.98 ms. Allocated memory is still 77.6 MB. Free memory was 60.0 MB in the beginning and 46.1 MB in the end (delta: 13.9 MB). Peak memory consumption was 16.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 100.50 ms. Allocated memory is still 77.6 MB. Free memory was 46.1 MB in the beginning and 42.6 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 86.77 ms. Allocated memory is still 77.6 MB. Free memory was 42.6 MB in the beginning and 39.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2779.02 ms. Allocated memory was 77.6 MB in the beginning and 104.9 MB in the end (delta: 27.3 MB). Free memory was 39.8 MB in the beginning and 53.3 MB in the end (delta: -13.5 MB). Peak memory consumption was 17.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5427.70 ms. Allocated memory is still 104.9 MB. Free memory was 53.3 MB in the beginning and 50.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 1.4 MB. Max. memory is 16.1 GB. * Witness Printer took 97.72 ms. Allocated memory is still 104.9 MB. Free memory was 50.4 MB in the beginning and 38.9 MB in the end (delta: 11.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 600]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L211] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L417] int pumpRunning = 0; [L418] int systemActive = 1; [L674] int waterLevel = 1; [L675] int methaneLevelCritical = 0; [L763] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L839] int retValue_acc ; [L840] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L922] int retValue_acc ; [L925] retValue_acc = 1 [L926] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L846] tmp = valid_product() [L848] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L609] int splverifierCounter ; [L610] int tmp ; [L611] int tmp___0 ; [L612] int tmp___1 ; [L613] int tmp___2 ; [L616] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L618] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L620] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L626] tmp = __VERIFIER_nondet_int() [L628] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L692] COND TRUE waterLevel < 2 [L693] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L636] tmp___0 = __VERIFIER_nondet_int() [L638] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L646] tmp___2 = __VERIFIER_nondet_int() [L648] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L425] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L432] COND TRUE \read(systemActive) [L480] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L483] COND FALSE !(\read(pumpRunning)) [L454] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L457] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L863] int tmp ; [L864] int tmp___0 ; [L865] int tmp___1 ; [L713] int retValue_acc ; [L716] retValue_acc = methaneLevelCritical [L717] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L869] tmp = isMethaneLevelCritical() [L871] COND FALSE !(\read(tmp)) [L745] int retValue_acc ; [L748] retValue_acc = waterLevel [L749] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L875] tmp___0 = getWaterLevel() [L877] COND TRUE tmp___0 == 2 [L532] int retValue_acc ; [L535] retValue_acc = pumpRunning [L536] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L879] tmp___1 = isPumpRunning() [L881] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L600] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 111 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 384 SDtfs, 400 SDslu, 253 SDs, 0 SdLazy, 50 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 86 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred 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, 4 MinimizatonAttempts, 123 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 83 ConstructedInterpolants, 0 QuantifiedInterpolants, 5319 SizeOfPredicates, 4 NumberOfNonLiveVariables, 791 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 incorrect! Received shutdown request...