./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product36.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_933fe924-6b9f-4a39-8813-771f0b7ff364/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933fe924-6b9f-4a39-8813-771f0b7ff364/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_933fe924-6b9f-4a39-8813-771f0b7ff364/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933fe924-6b9f-4a39-8813-771f0b7ff364/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product36.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933fe924-6b9f-4a39-8813-771f0b7ff364/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_933fe924-6b9f-4a39-8813-771f0b7ff364/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 0d9fe46be856096e0c78b096b76405a575c1ad90 ............................................................................................................................................ 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_933fe924-6b9f-4a39-8813-771f0b7ff364/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933fe924-6b9f-4a39-8813-771f0b7ff364/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_933fe924-6b9f-4a39-8813-771f0b7ff364/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933fe924-6b9f-4a39-8813-771f0b7ff364/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product36.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933fe924-6b9f-4a39-8813-771f0b7ff364/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_933fe924-6b9f-4a39-8813-771f0b7ff364/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 0d9fe46be856096e0c78b096b76405a575c1ad90 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 02:26:10,699 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:26:10,701 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:26:10,745 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:26:10,746 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:26:10,747 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:26:10,749 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:26:10,752 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:26:10,755 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:26:10,756 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:26:10,758 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:26:10,760 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:26:10,760 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:26:10,762 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:26:10,764 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:26:10,765 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:26:10,767 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:26:10,768 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:26:10,770 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:26:10,773 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:26:10,776 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:26:10,778 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:26:10,780 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:26:10,781 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:26:10,785 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:26:10,788 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:26:10,789 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:26:10,790 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:26:10,790 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:26:10,792 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:26:10,792 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:26:10,793 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:26:10,794 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:26:10,796 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:26:10,797 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:26:10,798 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:26:10,799 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:26:10,799 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:26:10,799 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:26:10,803 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:26:10,806 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:26:10,806 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933fe924-6b9f-4a39-8813-771f0b7ff364/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:26:10,852 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:26:10,852 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:26:10,853 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:26:10,853 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:26:10,854 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:26:10,854 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:26:10,854 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:26:10,854 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:26:10,854 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:26:10,855 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:26:10,855 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:26:10,855 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:26:10,855 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:26:10,856 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:26:10,856 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:26:10,857 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:26:10,857 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:26:10,857 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:26:10,857 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:26:10,858 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:26:10,858 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:26:10,858 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:26:10,858 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:26:10,858 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:26:10,859 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:26:10,859 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:26:10,859 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:26:10,859 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:26:10,860 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:26:10,860 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:26:10,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:26:10,860 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:26:10,861 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:26:10,861 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:26:10,861 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:26:10,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:26:10,861 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:26:10,862 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:26:10,862 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:26:10,862 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_933fe924-6b9f-4a39-8813-771f0b7ff364/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933fe924-6b9f-4a39-8813-771f0b7ff364/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d9fe46be856096e0c78b096b76405a575c1ad90 [2021-10-11 02:26:11,200 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:26:11,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:26:11,243 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:26:11,245 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:26:11,246 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:26:11,247 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933fe924-6b9f-4a39-8813-771f0b7ff364/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec1_product36.cil.c [2021-10-11 02:26:11,334 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933fe924-6b9f-4a39-8813-771f0b7ff364/bin/utaipan-WLngWcDbfI/data/f71f17898/b844e0b59155433daa9187f294554fe9/FLAGc31938e66 [2021-10-11 02:26:11,896 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:26:11,897 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933fe924-6b9f-4a39-8813-771f0b7ff364/sv-benchmarks/c/product-lines/minepump_spec1_product36.cil.c [2021-10-11 02:26:11,915 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933fe924-6b9f-4a39-8813-771f0b7ff364/bin/utaipan-WLngWcDbfI/data/f71f17898/b844e0b59155433daa9187f294554fe9/FLAGc31938e66 [2021-10-11 02:26:12,212 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933fe924-6b9f-4a39-8813-771f0b7ff364/bin/utaipan-WLngWcDbfI/data/f71f17898/b844e0b59155433daa9187f294554fe9 [2021-10-11 02:26:12,218 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:26:12,219 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:26:12,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:26:12,221 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:26:12,224 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:26:12,225 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:26:12" (1/1) ... [2021-10-11 02:26:12,226 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14b69715 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:12, skipping insertion in model container [2021-10-11 02:26:12,227 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:26:12" (1/1) ... [2021-10-11 02:26:12,234 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:26:12,285 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:26:12,458 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_933fe924-6b9f-4a39-8813-771f0b7ff364/sv-benchmarks/c/product-lines/minepump_spec1_product36.cil.c[1281,1294] [2021-10-11 02:26:12,611 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:26:12,622 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 02:26:12,623 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2f92646 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:12, skipping insertion in model container [2021-10-11 02:26:12,623 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:26:12,624 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:26:12,626 INFO L168 Benchmark]: Toolchain (without parser) took 405.34 ms. Allocated memory was 88.1 MB in the beginning and 113.2 MB in the end (delta: 25.2 MB). Free memory was 51.5 MB in the beginning and 86.5 MB in the end (delta: -34.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:12,627 INFO L168 Benchmark]: CDTParser took 1.14 ms. Allocated memory is still 88.1 MB. Free memory was 68.8 MB in the beginning and 68.7 MB in the end (delta: 118.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:26:12,628 INFO L168 Benchmark]: CACSL2BoogieTranslator took 402.74 ms. Allocated memory was 88.1 MB in the beginning and 113.2 MB in the end (delta: 25.2 MB). Free memory was 51.3 MB in the beginning and 86.5 MB in the end (delta: -35.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:12,630 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.14 ms. Allocated memory is still 88.1 MB. Free memory was 68.8 MB in the beginning and 68.7 MB in the end (delta: 118.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 402.74 ms. Allocated memory was 88.1 MB in the beginning and 113.2 MB in the end (delta: 25.2 MB). Free memory was 51.3 MB in the beginning and 86.5 MB in the end (delta: -35.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 471]: 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 02:26:14,867 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:26:14,871 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:26:14,933 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:26:14,934 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:26:14,935 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:26:14,938 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:26:14,940 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:26:14,946 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:26:14,953 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:26:14,955 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:26:14,957 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:26:14,958 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:26:14,962 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:26:14,964 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:26:14,967 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:26:14,969 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:26:14,971 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:26:14,977 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:26:14,987 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:26:14,991 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:26:14,993 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:26:14,998 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:26:15,001 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:26:15,008 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:26:15,009 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:26:15,009 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:26:15,018 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:26:15,019 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:26:15,020 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:26:15,021 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:26:15,022 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:26:15,025 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:26:15,026 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:26:15,028 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:26:15,028 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:26:15,029 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:26:15,030 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:26:15,030 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:26:15,033 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:26:15,034 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:26:15,035 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933fe924-6b9f-4a39-8813-771f0b7ff364/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:26:15,096 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:26:15,096 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:26:15,097 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:26:15,100 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:26:15,100 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:26:15,101 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:26:15,101 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:26:15,101 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:26:15,101 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:26:15,103 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:26:15,103 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:26:15,103 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:26:15,104 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:26:15,104 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:26:15,104 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:26:15,104 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:26:15,104 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:26:15,105 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:26:15,105 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:26:15,105 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:26:15,105 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:26:15,106 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:26:15,106 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:26:15,106 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:26:15,106 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:26:15,107 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:26:15,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:26:15,107 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:26:15,107 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:26:15,108 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:26:15,108 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:26:15,108 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:26:15,108 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:26:15,109 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:26:15,109 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:26:15,109 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_933fe924-6b9f-4a39-8813-771f0b7ff364/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933fe924-6b9f-4a39-8813-771f0b7ff364/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d9fe46be856096e0c78b096b76405a575c1ad90 [2021-10-11 02:26:15,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:26:15,551 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:26:15,554 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:26:15,556 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:26:15,557 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:26:15,558 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933fe924-6b9f-4a39-8813-771f0b7ff364/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec1_product36.cil.c [2021-10-11 02:26:15,635 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933fe924-6b9f-4a39-8813-771f0b7ff364/bin/utaipan-WLngWcDbfI/data/207b22bc4/dba6270f9d5e485b9ceb5f9a42f16880/FLAG3656eb5fa [2021-10-11 02:26:16,267 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:26:16,277 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933fe924-6b9f-4a39-8813-771f0b7ff364/sv-benchmarks/c/product-lines/minepump_spec1_product36.cil.c [2021-10-11 02:26:16,303 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933fe924-6b9f-4a39-8813-771f0b7ff364/bin/utaipan-WLngWcDbfI/data/207b22bc4/dba6270f9d5e485b9ceb5f9a42f16880/FLAG3656eb5fa [2021-10-11 02:26:16,475 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933fe924-6b9f-4a39-8813-771f0b7ff364/bin/utaipan-WLngWcDbfI/data/207b22bc4/dba6270f9d5e485b9ceb5f9a42f16880 [2021-10-11 02:26:16,478 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:26:16,479 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:26:16,481 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:26:16,481 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:26:16,485 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:26:16,486 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:26:16" (1/1) ... [2021-10-11 02:26:16,488 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7abb453d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:16, skipping insertion in model container [2021-10-11 02:26:16,488 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:26:16" (1/1) ... [2021-10-11 02:26:16,496 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:26:16,545 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:26:16,744 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_933fe924-6b9f-4a39-8813-771f0b7ff364/sv-benchmarks/c/product-lines/minepump_spec1_product36.cil.c[1281,1294] [2021-10-11 02:26:17,032 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:26:17,052 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:26:17,081 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:26:17,094 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_933fe924-6b9f-4a39-8813-771f0b7ff364/sv-benchmarks/c/product-lines/minepump_spec1_product36.cil.c[1281,1294] [2021-10-11 02:26:17,198 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:26:17,204 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:26:17,224 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_933fe924-6b9f-4a39-8813-771f0b7ff364/sv-benchmarks/c/product-lines/minepump_spec1_product36.cil.c[1281,1294] [2021-10-11 02:26:17,308 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:26:17,352 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:26:17,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:17 WrapperNode [2021-10-11 02:26:17,353 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:26:17,355 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:26:17,355 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:26:17,355 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:26:17,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:17" (1/1) ... [2021-10-11 02:26:17,399 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:17" (1/1) ... [2021-10-11 02:26:17,456 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:26:17,457 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:26:17,457 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:26:17,458 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:26:17,468 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:17" (1/1) ... [2021-10-11 02:26:17,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:17" (1/1) ... [2021-10-11 02:26:17,488 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:17" (1/1) ... [2021-10-11 02:26:17,488 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:17" (1/1) ... [2021-10-11 02:26:17,501 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:17" (1/1) ... [2021-10-11 02:26:17,508 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:17" (1/1) ... [2021-10-11 02:26:17,512 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:17" (1/1) ... [2021-10-11 02:26:17,517 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:26:17,518 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:26:17,518 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:26:17,518 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:26:17,519 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:17" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933fe924-6b9f-4a39-8813-771f0b7ff364/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 02:26:17,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:26:17,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:26:17,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:26:17,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:26:20,106 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:26:20,107 INFO L299 CfgBuilder]: Removed 102 assume(true) statements. [2021-10-11 02:26:20,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:26:20 BoogieIcfgContainer [2021-10-11 02:26:20,109 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:26:20,111 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:26:20,111 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:26:20,115 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:26:20,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:26:16" (1/3) ... [2021-10-11 02:26:20,116 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28929026 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:26:20, skipping insertion in model container [2021-10-11 02:26:20,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:17" (2/3) ... [2021-10-11 02:26:20,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28929026 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:26:20, skipping insertion in model container [2021-10-11 02:26:20,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:26:20" (3/3) ... [2021-10-11 02:26:20,119 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product36.cil.c [2021-10-11 02:26:20,136 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:26:20,140 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:26:20,154 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:26:20,178 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:26:20,178 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:26:20,179 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:26:20,179 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:26:20,179 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:26:20,179 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:26:20,180 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:26:20,180 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:26:20,195 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states. [2021-10-11 02:26:20,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 02:26:20,202 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:20,203 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:26:20,203 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:20,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:20,209 INFO L82 PathProgramCache]: Analyzing trace with hash -502845476, now seen corresponding path program 1 times [2021-10-11 02:26:20,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:20,223 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [419654177] [2021-10-11 02:26:20,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933fe924-6b9f-4a39-8813-771f0b7ff364/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 02:26:20,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:20,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:26:20,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:20,555 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 02:26:20,556 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:20,556 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [419654177] [2021-10-11 02:26:20,557 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:20,557 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:26:20,559 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601903807] [2021-10-11 02:26:20,566 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:26:20,566 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:20,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:26:20,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:26:20,586 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 2 states. [2021-10-11 02:26:20,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:20,642 INFO L93 Difference]: Finished difference Result 154 states and 233 transitions. [2021-10-11 02:26:20,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:26:20,645 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 02:26:20,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:20,663 INFO L225 Difference]: With dead ends: 154 [2021-10-11 02:26:20,663 INFO L226 Difference]: Without dead ends: 76 [2021-10-11 02:26:20,667 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:26:20,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2021-10-11 02:26:20,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2021-10-11 02:26:20,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2021-10-11 02:26:20,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 108 transitions. [2021-10-11 02:26:20,705 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 108 transitions. Word has length 16 [2021-10-11 02:26:20,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:20,706 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 108 transitions. [2021-10-11 02:26:20,706 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:26:20,706 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 108 transitions. [2021-10-11 02:26:20,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 02:26:20,708 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:20,708 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:26:20,917 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:26:20,918 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:20,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:20,919 INFO L82 PathProgramCache]: Analyzing trace with hash -1549602373, now seen corresponding path program 1 times [2021-10-11 02:26:20,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:20,920 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [252179327] [2021-10-11 02:26:20,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933fe924-6b9f-4a39-8813-771f0b7ff364/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 02:26:21,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:21,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:26:21,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:21,210 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 02:26:21,211 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:21,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [252179327] [2021-10-11 02:26:21,211 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:21,211 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:26:21,212 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715842109] [2021-10-11 02:26:21,213 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:26:21,213 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:21,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:26:21,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:26:21,217 INFO L87 Difference]: Start difference. First operand 76 states and 108 transitions. Second operand 3 states. [2021-10-11 02:26:21,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:21,228 INFO L93 Difference]: Finished difference Result 76 states and 108 transitions. [2021-10-11 02:26:21,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:26:21,229 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 02:26:21,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:21,230 INFO L225 Difference]: With dead ends: 76 [2021-10-11 02:26:21,230 INFO L226 Difference]: Without dead ends: 36 [2021-10-11 02:26:21,231 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:26:21,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2021-10-11 02:26:21,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2021-10-11 02:26:21,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2021-10-11 02:26:21,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 51 transitions. [2021-10-11 02:26:21,237 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 51 transitions. Word has length 17 [2021-10-11 02:26:21,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:21,238 INFO L481 AbstractCegarLoop]: Abstraction has 36 states and 51 transitions. [2021-10-11 02:26:21,238 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:26:21,238 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 51 transitions. [2021-10-11 02:26:21,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 02:26:21,239 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:21,240 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:26:21,458 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:26:21,459 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:21,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:21,460 INFO L82 PathProgramCache]: Analyzing trace with hash 1499295122, now seen corresponding path program 1 times [2021-10-11 02:26:21,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:21,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [60449309] [2021-10-11 02:26:21,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933fe924-6b9f-4a39-8813-771f0b7ff364/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 02:26:21,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:21,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:26:21,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:21,766 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 02:26:21,766 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:21,766 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [60449309] [2021-10-11 02:26:21,767 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:21,767 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:26:21,767 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305821965] [2021-10-11 02:26:21,767 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:26:21,768 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:21,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:26:21,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:26:21,769 INFO L87 Difference]: Start difference. First operand 36 states and 51 transitions. Second operand 3 states. [2021-10-11 02:26:21,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:21,835 INFO L93 Difference]: Finished difference Result 96 states and 141 transitions. [2021-10-11 02:26:21,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:26:21,836 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2021-10-11 02:26:21,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:21,837 INFO L225 Difference]: With dead ends: 96 [2021-10-11 02:26:21,838 INFO L226 Difference]: Without dead ends: 66 [2021-10-11 02:26:21,838 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:26:21,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2021-10-11 02:26:21,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 62. [2021-10-11 02:26:21,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2021-10-11 02:26:21,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 91 transitions. [2021-10-11 02:26:21,855 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 91 transitions. Word has length 22 [2021-10-11 02:26:21,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:21,857 INFO L481 AbstractCegarLoop]: Abstraction has 62 states and 91 transitions. [2021-10-11 02:26:21,858 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:26:21,858 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 91 transitions. [2021-10-11 02:26:21,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-11 02:26:21,861 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:21,862 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:26:22,078 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:26:22,078 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:22,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:22,079 INFO L82 PathProgramCache]: Analyzing trace with hash -1870150441, now seen corresponding path program 1 times [2021-10-11 02:26:22,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:22,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1916055417] [2021-10-11 02:26:22,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933fe924-6b9f-4a39-8813-771f0b7ff364/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 02:26:22,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:22,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:26:22,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:22,383 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 02:26:22,383 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:22,383 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1916055417] [2021-10-11 02:26:22,384 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:22,384 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:26:22,384 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701186800] [2021-10-11 02:26:22,385 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:26:22,385 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:22,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:26:22,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:26:22,387 INFO L87 Difference]: Start difference. First operand 62 states and 91 transitions. Second operand 3 states. [2021-10-11 02:26:22,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:22,456 INFO L93 Difference]: Finished difference Result 159 states and 238 transitions. [2021-10-11 02:26:22,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:26:22,457 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2021-10-11 02:26:22,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:22,459 INFO L225 Difference]: With dead ends: 159 [2021-10-11 02:26:22,459 INFO L226 Difference]: Without dead ends: 103 [2021-10-11 02:26:22,460 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:26:22,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2021-10-11 02:26:22,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 101. [2021-10-11 02:26:22,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2021-10-11 02:26:22,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 147 transitions. [2021-10-11 02:26:22,487 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 147 transitions. Word has length 23 [2021-10-11 02:26:22,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:22,489 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 147 transitions. [2021-10-11 02:26:22,489 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:26:22,490 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 147 transitions. [2021-10-11 02:26:22,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 02:26:22,491 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:22,491 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 02:26:22,704 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:26:22,704 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:22,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:22,705 INFO L82 PathProgramCache]: Analyzing trace with hash 944519591, now seen corresponding path program 1 times [2021-10-11 02:26:22,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:22,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1105212913] [2021-10-11 02:26:22,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933fe924-6b9f-4a39-8813-771f0b7ff364/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 02:26:22,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:22,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:26:22,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:23,017 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 02:26:23,017 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:23,017 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1105212913] [2021-10-11 02:26:23,018 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:23,018 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:26:23,018 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561896682] [2021-10-11 02:26:23,019 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:26:23,019 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:23,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:26:23,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:26:23,020 INFO L87 Difference]: Start difference. First operand 101 states and 147 transitions. Second operand 5 states. [2021-10-11 02:26:23,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:23,219 INFO L93 Difference]: Finished difference Result 501 states and 748 transitions. [2021-10-11 02:26:23,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 02:26:23,221 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2021-10-11 02:26:23,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:23,229 INFO L225 Difference]: With dead ends: 501 [2021-10-11 02:26:23,231 INFO L226 Difference]: Without dead ends: 406 [2021-10-11 02:26:23,236 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 02:26:23,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2021-10-11 02:26:23,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 186. [2021-10-11 02:26:23,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2021-10-11 02:26:23,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 267 transitions. [2021-10-11 02:26:23,316 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 267 transitions. Word has length 25 [2021-10-11 02:26:23,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:23,318 INFO L481 AbstractCegarLoop]: Abstraction has 186 states and 267 transitions. [2021-10-11 02:26:23,318 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:26:23,318 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 267 transitions. [2021-10-11 02:26:23,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 02:26:23,325 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:23,326 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 02:26:23,540 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:26:23,540 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:23,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:23,540 INFO L82 PathProgramCache]: Analyzing trace with hash 740712497, now seen corresponding path program 1 times [2021-10-11 02:26:23,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:23,541 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1306353627] [2021-10-11 02:26:23,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933fe924-6b9f-4a39-8813-771f0b7ff364/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2021-10-11 02:26:23,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:23,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:26:23,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:23,870 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 02:26:23,870 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:23,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1306353627] [2021-10-11 02:26:23,872 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:23,872 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:26:23,872 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543962724] [2021-10-11 02:26:23,873 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:26:23,879 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:23,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:26:23,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:26:23,881 INFO L87 Difference]: Start difference. First operand 186 states and 267 transitions. Second operand 5 states. [2021-10-11 02:26:24,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:24,126 INFO L93 Difference]: Finished difference Result 524 states and 758 transitions. [2021-10-11 02:26:24,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 02:26:24,128 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2021-10-11 02:26:24,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:24,132 INFO L225 Difference]: With dead ends: 524 [2021-10-11 02:26:24,132 INFO L226 Difference]: Without dead ends: 522 [2021-10-11 02:26:24,134 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 24 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 02:26:24,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2021-10-11 02:26:24,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 186. [2021-10-11 02:26:24,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2021-10-11 02:26:24,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 265 transitions. [2021-10-11 02:26:24,177 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 265 transitions. Word has length 26 [2021-10-11 02:26:24,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:24,178 INFO L481 AbstractCegarLoop]: Abstraction has 186 states and 265 transitions. [2021-10-11 02:26:24,178 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:26:24,178 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 265 transitions. [2021-10-11 02:26:24,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-11 02:26:24,181 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:24,182 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, 1, 1, 1] [2021-10-11 02:26:24,394 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2021-10-11 02:26:24,394 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:24,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:24,395 INFO L82 PathProgramCache]: Analyzing trace with hash 2030628178, now seen corresponding path program 1 times [2021-10-11 02:26:24,395 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:24,395 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1960700350] [2021-10-11 02:26:24,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933fe924-6b9f-4a39-8813-771f0b7ff364/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2021-10-11 02:26:24,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:24,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:26:24,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:24,639 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 02:26:24,639 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:24,639 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1960700350] [2021-10-11 02:26:24,640 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:24,640 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:26:24,641 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273747450] [2021-10-11 02:26:24,641 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:26:24,643 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:24,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:26:24,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:26:24,655 INFO L87 Difference]: Start difference. First operand 186 states and 265 transitions. Second operand 5 states. [2021-10-11 02:26:24,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:24,768 INFO L93 Difference]: Finished difference Result 510 states and 719 transitions. [2021-10-11 02:26:24,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:26:24,769 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2021-10-11 02:26:24,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:24,772 INFO L225 Difference]: With dead ends: 510 [2021-10-11 02:26:24,773 INFO L226 Difference]: Without dead ends: 330 [2021-10-11 02:26:24,780 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 28 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 02:26:24,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2021-10-11 02:26:24,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 198. [2021-10-11 02:26:24,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2021-10-11 02:26:24,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 277 transitions. [2021-10-11 02:26:24,808 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 277 transitions. Word has length 30 [2021-10-11 02:26:24,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:24,810 INFO L481 AbstractCegarLoop]: Abstraction has 198 states and 277 transitions. [2021-10-11 02:26:24,810 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:26:24,810 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 277 transitions. [2021-10-11 02:26:24,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-11 02:26:24,814 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:24,815 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, 1, 1, 1] [2021-10-11 02:26:25,024 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2021-10-11 02:26:25,025 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:25,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:25,025 INFO L82 PathProgramCache]: Analyzing trace with hash 1637601168, now seen corresponding path program 1 times [2021-10-11 02:26:25,025 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:25,025 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [727622547] [2021-10-11 02:26:25,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933fe924-6b9f-4a39-8813-771f0b7ff364/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2021-10-11 02:26:25,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:25,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 02:26:25,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:25,279 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 02:26:25,279 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:25,279 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [727622547] [2021-10-11 02:26:25,279 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:25,280 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:26:25,280 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569801876] [2021-10-11 02:26:25,280 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:26:25,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:25,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:26:25,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:26:25,281 INFO L87 Difference]: Start difference. First operand 198 states and 277 transitions. Second operand 4 states. [2021-10-11 02:26:25,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:25,352 INFO L93 Difference]: Finished difference Result 486 states and 674 transitions. [2021-10-11 02:26:25,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:26:25,353 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2021-10-11 02:26:25,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:25,355 INFO L225 Difference]: With dead ends: 486 [2021-10-11 02:26:25,356 INFO L226 Difference]: Without dead ends: 294 [2021-10-11 02:26:25,356 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:26:25,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2021-10-11 02:26:25,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 206. [2021-10-11 02:26:25,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2021-10-11 02:26:25,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 285 transitions. [2021-10-11 02:26:25,408 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 285 transitions. Word has length 30 [2021-10-11 02:26:25,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:25,408 INFO L481 AbstractCegarLoop]: Abstraction has 206 states and 285 transitions. [2021-10-11 02:26:25,408 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:26:25,408 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 285 transitions. [2021-10-11 02:26:25,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-11 02:26:25,409 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:25,409 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, 1, 1, 1] [2021-10-11 02:26:25,632 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2021-10-11 02:26:25,634 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:25,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:25,636 INFO L82 PathProgramCache]: Analyzing trace with hash 1895766606, now seen corresponding path program 1 times [2021-10-11 02:26:25,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:25,636 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1585316648] [2021-10-11 02:26:25,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933fe924-6b9f-4a39-8813-771f0b7ff364/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2021-10-11 02:26:25,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:25,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:26:25,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:25,859 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 02:26:25,859 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:25,860 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1585316648] [2021-10-11 02:26:25,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:25,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:26:25,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193784193] [2021-10-11 02:26:25,860 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:26:25,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:25,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:26:25,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:26:25,861 INFO L87 Difference]: Start difference. First operand 206 states and 285 transitions. Second operand 3 states. [2021-10-11 02:26:25,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:25,921 INFO L93 Difference]: Finished difference Result 506 states and 694 transitions. [2021-10-11 02:26:25,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:26:25,922 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2021-10-11 02:26:25,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:25,924 INFO L225 Difference]: With dead ends: 506 [2021-10-11 02:26:25,925 INFO L226 Difference]: Without dead ends: 306 [2021-10-11 02:26:25,925 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 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 02:26:25,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2021-10-11 02:26:25,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 306. [2021-10-11 02:26:25,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2021-10-11 02:26:25,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 407 transitions. [2021-10-11 02:26:25,967 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 407 transitions. Word has length 30 [2021-10-11 02:26:25,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:25,967 INFO L481 AbstractCegarLoop]: Abstraction has 306 states and 407 transitions. [2021-10-11 02:26:25,967 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:26:25,967 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 407 transitions. [2021-10-11 02:26:25,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-11 02:26:25,968 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:25,968 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, 1, 1, 1, 1] [2021-10-11 02:26:26,192 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2021-10-11 02:26:26,192 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:26,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:26,193 INFO L82 PathProgramCache]: Analyzing trace with hash -112049588, now seen corresponding path program 1 times [2021-10-11 02:26:26,193 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:26,193 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1977727045] [2021-10-11 02:26:26,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933fe924-6b9f-4a39-8813-771f0b7ff364/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2021-10-11 02:26:27,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:26:27,767 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:26:29,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:26:29,282 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:26:29,449 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-11 02:26:29,449 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:26:29,671 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2021-10-11 02:26:29,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:26:29 BoogieIcfgContainer [2021-10-11 02:26:29,860 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:26:29,861 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:26:29,861 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:26:29,861 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:26:29,861 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:26:20" (3/4) ... [2021-10-11 02:26:29,864 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-11 02:26:29,992 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933fe924-6b9f-4a39-8813-771f0b7ff364/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:26:29,992 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:26:29,994 INFO L168 Benchmark]: Toolchain (without parser) took 13513.73 ms. Allocated memory was 71.3 MB in the beginning and 142.6 MB in the end (delta: 71.3 MB). Free memory was 52.2 MB in the beginning and 77.6 MB in the end (delta: -25.4 MB). Peak memory consumption was 44.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:29,994 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 71.3 MB. Free memory was 52.4 MB in the beginning and 52.3 MB in the end (delta: 56.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:26:29,995 INFO L168 Benchmark]: CACSL2BoogieTranslator took 872.52 ms. Allocated memory is still 71.3 MB. Free memory was 52.0 MB in the beginning and 37.8 MB in the end (delta: 14.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:29,996 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.44 ms. Allocated memory is still 71.3 MB. Free memory was 37.7 MB in the beginning and 34.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:29,996 INFO L168 Benchmark]: Boogie Preprocessor took 60.16 ms. Allocated memory is still 71.3 MB. Free memory was 34.7 MB in the beginning and 32.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:29,996 INFO L168 Benchmark]: RCFGBuilder took 2591.35 ms. Allocated memory was 71.3 MB in the beginning and 117.4 MB in the end (delta: 46.1 MB). Free memory was 32.4 MB in the beginning and 90.7 MB in the end (delta: -58.3 MB). Peak memory consumption was 28.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:29,997 INFO L168 Benchmark]: TraceAbstraction took 9748.98 ms. Allocated memory was 117.4 MB in the beginning and 142.6 MB in the end (delta: 25.2 MB). Free memory was 90.0 MB in the beginning and 90.2 MB in the end (delta: -226.0 kB). Peak memory consumption was 23.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:29,997 INFO L168 Benchmark]: Witness Printer took 131.66 ms. Allocated memory is still 142.6 MB. Free memory was 90.2 MB in the beginning and 77.6 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:30,000 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 71.3 MB. Free memory was 52.4 MB in the beginning and 52.3 MB in the end (delta: 56.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 872.52 ms. Allocated memory is still 71.3 MB. Free memory was 52.0 MB in the beginning and 37.8 MB in the end (delta: 14.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 101.44 ms. Allocated memory is still 71.3 MB. Free memory was 37.7 MB in the beginning and 34.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 60.16 ms. Allocated memory is still 71.3 MB. Free memory was 34.7 MB in the beginning and 32.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2591.35 ms. Allocated memory was 71.3 MB in the beginning and 117.4 MB in the end (delta: 46.1 MB). Free memory was 32.4 MB in the beginning and 90.7 MB in the end (delta: -58.3 MB). Peak memory consumption was 28.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 9748.98 ms. Allocated memory was 117.4 MB in the beginning and 142.6 MB in the end (delta: 25.2 MB). Free memory was 90.0 MB in the beginning and 90.2 MB in the end (delta: -226.0 kB). Peak memory consumption was 23.6 MB. Max. memory is 16.1 GB. * Witness Printer took 131.66 ms. Allocated memory is still 142.6 MB. Free memory was 90.2 MB in the beginning and 77.6 MB in the end (delta: 12.6 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: 46]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L62] int pumpRunning = 0; [L63] int systemActive = 1; [L241] int waterLevel = 1; [L242] int methaneLevelCritical = 0; [L612] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L835] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L908] int retValue_acc ; [L909] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L434] int retValue_acc ; [L437] retValue_acc = 1 [L438] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L915] tmp = valid_product() [L917] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L337] int splverifierCounter ; [L338] int tmp ; [L339] int tmp___0 ; [L340] int tmp___1 ; [L341] int tmp___2 ; [L344] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L346] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L348] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L354] tmp = __VERIFIER_nondet_int() [L356] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L259] COND TRUE waterLevel < 2 [L260] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L364] tmp___0 = __VERIFIER_nondet_int() [L366] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L271] COND FALSE !(\read(methaneLevelCritical)) [L274] methaneLevelCritical = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L374] tmp___2 = __VERIFIER_nondet_int() [L376] COND TRUE \read(tmp___2) [L233] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L70] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L77] COND TRUE \read(systemActive) [L99] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L102] COND TRUE ! pumpRunning [L196] int retValue_acc ; [L197] int tmp ; [L198] int tmp___0 ; [L321] int retValue_acc ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L324] COND FALSE !(waterLevel < 2) [L328] retValue_acc = 0 [L329] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L202] tmp = isHighWaterSensorDry() [L204] COND FALSE !(\read(tmp)) [L207] tmp___0 = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L209] retValue_acc = tmp___0 [L210] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L104] tmp = isHighWaterLevel() [L106] COND TRUE \read(tmp) [L127] pumpRunning = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L810] int tmp ; [L811] int tmp___0 ; [L280] int retValue_acc ; [L283] retValue_acc = methaneLevelCritical [L284] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L815] tmp = isMethaneLevelCritical() [L817] COND TRUE \read(tmp) [L151] int retValue_acc ; [L154] retValue_acc = pumpRunning [L155] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L819] tmp___0 = isPumpRunning() [L821] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L46] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 80 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 9.4s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 628 SDtfs, 739 SDslu, 859 SDs, 0 SdLazy, 107 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 226 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=306occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 782 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 250 NumberOfCodeBlocks, 250 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 210 ConstructedInterpolants, 0 QuantifiedInterpolants, 9294 SizeOfPredicates, 13 NumberOfNonLiveVariables, 1811 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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...