./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product12.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_e8873b96-bc11-4f1d-824c-3346a5d89d0d/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8873b96-bc11-4f1d-824c-3346a5d89d0d/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_e8873b96-bc11-4f1d-824c-3346a5d89d0d/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8873b96-bc11-4f1d-824c-3346a5d89d0d/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product12.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8873b96-bc11-4f1d-824c-3346a5d89d0d/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_e8873b96-bc11-4f1d-824c-3346a5d89d0d/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 cf530681c562daa6fa9ab5223cf4d9c859dac38d ............................................................................................................................................ 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_e8873b96-bc11-4f1d-824c-3346a5d89d0d/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8873b96-bc11-4f1d-824c-3346a5d89d0d/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_e8873b96-bc11-4f1d-824c-3346a5d89d0d/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8873b96-bc11-4f1d-824c-3346a5d89d0d/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product12.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8873b96-bc11-4f1d-824c-3346a5d89d0d/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_e8873b96-bc11-4f1d-824c-3346a5d89d0d/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 cf530681c562daa6fa9ab5223cf4d9c859dac38d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 02:25:10,461 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:25:10,464 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:25:10,518 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:25:10,518 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:25:10,524 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:25:10,527 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:25:10,531 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:25:10,534 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:25:10,540 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:25:10,541 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:25:10,543 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:25:10,543 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:25:10,546 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:25:10,548 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:25:10,550 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:25:10,552 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:25:10,557 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:25:10,560 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:25:10,568 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:25:10,570 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:25:10,572 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:25:10,575 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:25:10,576 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:25:10,585 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:25:10,586 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:25:10,586 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:25:10,588 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:25:10,589 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:25:10,591 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:25:10,591 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:25:10,592 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:25:10,594 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:25:10,596 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:25:10,597 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:25:10,597 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:25:10,598 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:25:10,599 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:25:10,599 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:25:10,600 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:25:10,601 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:25:10,603 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8873b96-bc11-4f1d-824c-3346a5d89d0d/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:25:10,645 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:25:10,646 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:25:10,647 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:25:10,647 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:25:10,648 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:25:10,648 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:25:10,648 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:25:10,648 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:25:10,648 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:25:10,649 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:25:10,650 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:25:10,650 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:25:10,650 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:25:10,651 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:25:10,651 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:25:10,652 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:25:10,652 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:25:10,652 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:25:10,653 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:25:10,653 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:25:10,653 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:25:10,653 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:25:10,654 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:25:10,654 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:25:10,654 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:25:10,654 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:25:10,655 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:25:10,655 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:25:10,655 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:25:10,657 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:25:10,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:25:10,657 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:25:10,658 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:25:10,658 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:25:10,658 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:25:10,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:25:10,659 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:25:10,659 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:25:10,659 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:25:10,659 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_e8873b96-bc11-4f1d-824c-3346a5d89d0d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8873b96-bc11-4f1d-824c-3346a5d89d0d/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf530681c562daa6fa9ab5223cf4d9c859dac38d [2021-10-11 02:25:10,936 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:25:10,961 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:25:10,966 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:25:10,967 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:25:10,970 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:25:10,971 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8873b96-bc11-4f1d-824c-3346a5d89d0d/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec3_product12.cil.c [2021-10-11 02:25:11,067 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8873b96-bc11-4f1d-824c-3346a5d89d0d/bin/utaipan-WLngWcDbfI/data/bdb623d7e/8058bb7ebe044cad9f6e39f354735631/FLAGeae768229 [2021-10-11 02:25:11,645 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:25:11,645 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8873b96-bc11-4f1d-824c-3346a5d89d0d/sv-benchmarks/c/product-lines/minepump_spec3_product12.cil.c [2021-10-11 02:25:11,658 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8873b96-bc11-4f1d-824c-3346a5d89d0d/bin/utaipan-WLngWcDbfI/data/bdb623d7e/8058bb7ebe044cad9f6e39f354735631/FLAGeae768229 [2021-10-11 02:25:11,925 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8873b96-bc11-4f1d-824c-3346a5d89d0d/bin/utaipan-WLngWcDbfI/data/bdb623d7e/8058bb7ebe044cad9f6e39f354735631 [2021-10-11 02:25:11,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:25:11,929 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:25:11,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:11,940 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:25:11,944 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:25:11,945 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:11" (1/1) ... [2021-10-11 02:25:11,953 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22586615 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:11, skipping insertion in model container [2021-10-11 02:25:11,953 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:11" (1/1) ... [2021-10-11 02:25:11,961 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:25:12,013 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:25:12,388 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_e8873b96-bc11-4f1d-824c-3346a5d89d0d/sv-benchmarks/c/product-lines/minepump_spec3_product12.cil.c[17035,17048] [2021-10-11 02:25:12,397 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:25:12,414 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-11 02:25:12,414 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@11af7a33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:12, skipping insertion in model container [2021-10-11 02:25:12,415 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:12,415 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:25:12,418 INFO L168 Benchmark]: Toolchain (without parser) took 487.51 ms. Allocated memory is still 98.6 MB. Free memory was 65.9 MB in the beginning and 73.0 MB in the end (delta: -7.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:12,419 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 98.6 MB. Free memory is still 54.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:25:12,421 INFO L168 Benchmark]: CACSL2BoogieTranslator took 475.76 ms. Allocated memory is still 98.6 MB. Free memory was 65.7 MB in the beginning and 73.0 MB in the end (delta: -7.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:12,424 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 98.6 MB. Free memory is still 54.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 475.76 ms. Allocated memory is still 98.6 MB. Free memory was 65.7 MB in the beginning and 73.0 MB in the end (delta: -7.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 454]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:25:14,844 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:25:14,848 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:25:14,903 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:25:14,904 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:25:14,911 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:25:14,915 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:25:14,921 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:25:14,925 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:25:14,933 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:25:14,935 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:25:14,936 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:25:14,937 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:25:14,938 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:25:14,939 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:25:14,941 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:25:14,942 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:25:14,944 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:25:14,954 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:25:14,963 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:25:14,965 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:25:14,968 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:25:14,971 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:25:14,974 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:25:14,977 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:25:14,978 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:25:14,978 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:25:14,980 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:25:14,980 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:25:14,982 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:25:14,982 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:25:14,983 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:25:14,985 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:25:14,986 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:25:14,987 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:25:14,987 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:25:14,988 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:25:14,988 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:25:14,988 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:25:14,990 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:25:14,991 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:25:14,992 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8873b96-bc11-4f1d-824c-3346a5d89d0d/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:25:15,033 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:25:15,034 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:25:15,036 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:25:15,036 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:25:15,036 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:25:15,036 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:25:15,037 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:25:15,037 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:25:15,037 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:25:15,039 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:25:15,040 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:25:15,040 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:25:15,040 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:25:15,040 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:25:15,041 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:25:15,041 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:25:15,041 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:25:15,041 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:25:15,041 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:25:15,042 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:25:15,042 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:25:15,042 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:25:15,042 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:25:15,042 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:25:15,043 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:25:15,043 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:25:15,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:25:15,043 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:25:15,043 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:25:15,044 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:25:15,044 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:25:15,044 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:25:15,044 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:25:15,044 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:25:15,045 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:25:15,045 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_e8873b96-bc11-4f1d-824c-3346a5d89d0d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8873b96-bc11-4f1d-824c-3346a5d89d0d/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf530681c562daa6fa9ab5223cf4d9c859dac38d [2021-10-11 02:25:15,437 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:25:15,478 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:25:15,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:25:15,485 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:25:15,486 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:25:15,489 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8873b96-bc11-4f1d-824c-3346a5d89d0d/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec3_product12.cil.c [2021-10-11 02:25:15,561 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8873b96-bc11-4f1d-824c-3346a5d89d0d/bin/utaipan-WLngWcDbfI/data/814ca6370/336536438f8943b4a443c06158eb119b/FLAG7741ef253 [2021-10-11 02:25:16,222 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:25:16,223 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8873b96-bc11-4f1d-824c-3346a5d89d0d/sv-benchmarks/c/product-lines/minepump_spec3_product12.cil.c [2021-10-11 02:25:16,242 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8873b96-bc11-4f1d-824c-3346a5d89d0d/bin/utaipan-WLngWcDbfI/data/814ca6370/336536438f8943b4a443c06158eb119b/FLAG7741ef253 [2021-10-11 02:25:16,509 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8873b96-bc11-4f1d-824c-3346a5d89d0d/bin/utaipan-WLngWcDbfI/data/814ca6370/336536438f8943b4a443c06158eb119b [2021-10-11 02:25:16,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:25:16,524 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:25:16,526 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:16,526 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:25:16,531 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:25:16,533 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:16" (1/1) ... [2021-10-11 02:25:16,535 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@517036ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:16, skipping insertion in model container [2021-10-11 02:25:16,536 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:16" (1/1) ... [2021-10-11 02:25:16,546 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:25:16,617 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:25:17,047 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_e8873b96-bc11-4f1d-824c-3346a5d89d0d/sv-benchmarks/c/product-lines/minepump_spec3_product12.cil.c[17035,17048] [2021-10-11 02:25:17,066 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:25:17,083 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:25:17,092 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:25:17,199 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_e8873b96-bc11-4f1d-824c-3346a5d89d0d/sv-benchmarks/c/product-lines/minepump_spec3_product12.cil.c[17035,17048] [2021-10-11 02:25:17,210 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:25:17,220 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:25:17,326 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_e8873b96-bc11-4f1d-824c-3346a5d89d0d/sv-benchmarks/c/product-lines/minepump_spec3_product12.cil.c[17035,17048] [2021-10-11 02:25:17,336 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:25:17,374 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:25:17,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:17 WrapperNode [2021-10-11 02:25:17,375 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:17,377 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:25:17,377 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:25:17,377 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:25:17,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:17" (1/1) ... [2021-10-11 02:25:17,418 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:17" (1/1) ... [2021-10-11 02:25:17,465 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:25:17,469 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:25:17,469 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:25:17,470 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:25:17,479 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:17" (1/1) ... [2021-10-11 02:25:17,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:17" (1/1) ... [2021-10-11 02:25:17,497 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:17" (1/1) ... [2021-10-11 02:25:17,501 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:17" (1/1) ... [2021-10-11 02:25:17,511 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:17" (1/1) ... [2021-10-11 02:25:17,531 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:17" (1/1) ... [2021-10-11 02:25:17,534 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:17" (1/1) ... [2021-10-11 02:25:17,545 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:25:17,546 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:25:17,546 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:25:17,546 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:25:17,547 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:17" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8873b96-bc11-4f1d-824c-3346a5d89d0d/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:25:17,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:25:17,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:25:17,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:25:17,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:25:20,131 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:25:20,132 INFO L299 CfgBuilder]: Removed 78 assume(true) statements. [2021-10-11 02:25:20,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:25:20 BoogieIcfgContainer [2021-10-11 02:25:20,136 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:25:20,138 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:25:20,138 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:25:20,141 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:25:20,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:25:16" (1/3) ... [2021-10-11 02:25:20,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6596aa54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:25:20, skipping insertion in model container [2021-10-11 02:25:20,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:17" (2/3) ... [2021-10-11 02:25:20,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6596aa54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:25:20, skipping insertion in model container [2021-10-11 02:25:20,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:25:20" (3/3) ... [2021-10-11 02:25:20,146 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product12.cil.c [2021-10-11 02:25:20,162 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:25:20,165 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:25:20,179 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:25:20,218 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:25:20,218 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:25:20,218 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:25:20,219 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:25:20,219 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:25:20,219 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:25:20,219 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:25:20,219 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:25:20,257 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states. [2021-10-11 02:25:20,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 02:25:20,263 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:20,264 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:20,264 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:20,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:20,270 INFO L82 PathProgramCache]: Analyzing trace with hash 1390476085, now seen corresponding path program 1 times [2021-10-11 02:25:20,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:20,285 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [571121309] [2021-10-11 02:25:20,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8873b96-bc11-4f1d-824c-3346a5d89d0d/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2021-10-11 02:25:20,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:20,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:25:20,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:20,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:25:20,615 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:20,616 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [571121309] [2021-10-11 02:25:20,617 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:20,617 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:25:20,619 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317540395] [2021-10-11 02:25:20,624 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:25:20,624 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:20,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:25:20,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:25:20,643 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 2 states. [2021-10-11 02:25:20,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:20,688 INFO L93 Difference]: Finished difference Result 124 states and 185 transitions. [2021-10-11 02:25:20,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:25:20,690 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 02:25:20,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:20,704 INFO L225 Difference]: With dead ends: 124 [2021-10-11 02:25:20,705 INFO L226 Difference]: Without dead ends: 61 [2021-10-11 02:25:20,708 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:25:20,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2021-10-11 02:25:20,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2021-10-11 02:25:20,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2021-10-11 02:25:20,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 84 transitions. [2021-10-11 02:25:20,757 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 84 transitions. Word has length 18 [2021-10-11 02:25:20,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:20,758 INFO L481 AbstractCegarLoop]: Abstraction has 61 states and 84 transitions. [2021-10-11 02:25:20,758 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:25:20,758 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 84 transitions. [2021-10-11 02:25:20,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 02:25:20,763 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:20,763 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:20,975 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:25:20,976 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:20,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:20,976 INFO L82 PathProgramCache]: Analyzing trace with hash -963834589, now seen corresponding path program 1 times [2021-10-11 02:25:20,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:20,978 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1537091312] [2021-10-11 02:25:20,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8873b96-bc11-4f1d-824c-3346a5d89d0d/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2021-10-11 02:25:21,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:21,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:25:21,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:21,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:25:21,216 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:21,216 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1537091312] [2021-10-11 02:25:21,216 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:21,216 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:25:21,217 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727115217] [2021-10-11 02:25:21,218 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:25:21,218 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:21,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:25:21,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:21,219 INFO L87 Difference]: Start difference. First operand 61 states and 84 transitions. Second operand 3 states. [2021-10-11 02:25:21,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:21,230 INFO L93 Difference]: Finished difference Result 61 states and 84 transitions. [2021-10-11 02:25:21,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:25:21,230 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 02:25:21,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:21,231 INFO L225 Difference]: With dead ends: 61 [2021-10-11 02:25:21,232 INFO L226 Difference]: Without dead ends: 31 [2021-10-11 02:25:21,233 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:21,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-10-11 02:25:21,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-10-11 02:25:21,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2021-10-11 02:25:21,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2021-10-11 02:25:21,238 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 19 [2021-10-11 02:25:21,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:21,238 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2021-10-11 02:25:21,238 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:25:21,239 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2021-10-11 02:25:21,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:25:21,240 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:21,240 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, 1, 1] [2021-10-11 02:25:21,457 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:25:21,458 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:21,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:21,458 INFO L82 PathProgramCache]: Analyzing trace with hash 1411810197, now seen corresponding path program 1 times [2021-10-11 02:25:21,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:21,459 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1861091103] [2021-10-11 02:25:21,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8873b96-bc11-4f1d-824c-3346a5d89d0d/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2021-10-11 02:25:21,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:21,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:25:21,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:21,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:25:21,833 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:21,839 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1861091103] [2021-10-11 02:25:21,840 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:21,840 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:25:21,840 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180197286] [2021-10-11 02:25:21,841 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:25:21,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:21,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:25:21,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:21,843 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 3 states. [2021-10-11 02:25:21,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:21,919 INFO L93 Difference]: Finished difference Result 81 states and 117 transitions. [2021-10-11 02:25:21,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:25:21,920 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:25:21,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:21,921 INFO L225 Difference]: With dead ends: 81 [2021-10-11 02:25:21,922 INFO L226 Difference]: Without dead ends: 56 [2021-10-11 02:25:21,922 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:21,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2021-10-11 02:25:21,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 52. [2021-10-11 02:25:21,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2021-10-11 02:25:21,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2021-10-11 02:25:21,947 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 24 [2021-10-11 02:25:21,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:21,948 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2021-10-11 02:25:21,948 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:25:21,948 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2021-10-11 02:25:21,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:25:21,950 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:21,950 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:22,166 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:25:22,166 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:22,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:22,167 INFO L82 PathProgramCache]: Analyzing trace with hash -1755761006, now seen corresponding path program 1 times [2021-10-11 02:25:22,167 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:22,168 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [218121847] [2021-10-11 02:25:22,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8873b96-bc11-4f1d-824c-3346a5d89d0d/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2021-10-11 02:25:22,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:22,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:25:22,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:22,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:25:22,439 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:22,439 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [218121847] [2021-10-11 02:25:22,439 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:22,440 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:25:22,440 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945585459] [2021-10-11 02:25:22,441 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:25:22,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:22,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:25:22,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:25:22,443 INFO L87 Difference]: Start difference. First operand 52 states and 75 transitions. Second operand 5 states. [2021-10-11 02:25:22,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:22,600 INFO L93 Difference]: Finished difference Result 264 states and 404 transitions. [2021-10-11 02:25:22,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 02:25:22,601 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2021-10-11 02:25:22,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:22,608 INFO L225 Difference]: With dead ends: 264 [2021-10-11 02:25:22,608 INFO L226 Difference]: Without dead ends: 218 [2021-10-11 02:25:22,610 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-11 02:25:22,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2021-10-11 02:25:22,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 92. [2021-10-11 02:25:22,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2021-10-11 02:25:22,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 131 transitions. [2021-10-11 02:25:22,643 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 131 transitions. Word has length 24 [2021-10-11 02:25:22,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:22,645 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 131 transitions. [2021-10-11 02:25:22,645 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:25:22,645 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 131 transitions. [2021-10-11 02:25:22,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 02:25:22,647 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:22,647 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 02:25:22,860 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:25:22,860 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:22,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:22,860 INFO L82 PathProgramCache]: Analyzing trace with hash 120698128, now seen corresponding path program 1 times [2021-10-11 02:25:22,861 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:22,861 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [267992784] [2021-10-11 02:25:22,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8873b96-bc11-4f1d-824c-3346a5d89d0d/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2021-10-11 02:25:24,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:25:24,361 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:25:25,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:25:25,599 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:25:25,732 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-11 02:25:25,741 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:25:25,941 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:25:26,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:25:26 BoogieIcfgContainer [2021-10-11 02:25:26,062 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:25:26,063 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:25:26,063 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:25:26,063 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:25:26,064 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:25:20" (3/4) ... [2021-10-11 02:25:26,066 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-11 02:25:26,178 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8873b96-bc11-4f1d-824c-3346a5d89d0d/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:25:26,179 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:25:26,180 INFO L168 Benchmark]: Toolchain (without parser) took 9655.80 ms. Allocated memory was 65.0 MB in the beginning and 109.1 MB in the end (delta: 44.0 MB). Free memory was 44.8 MB in the beginning and 69.4 MB in the end (delta: -24.6 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:26,181 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 65.0 MB. Free memory is still 47.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:25:26,181 INFO L168 Benchmark]: CACSL2BoogieTranslator took 849.86 ms. Allocated memory is still 65.0 MB. Free memory was 44.6 MB in the beginning and 34.4 MB in the end (delta: 10.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:26,182 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.15 ms. Allocated memory is still 65.0 MB. Free memory was 34.1 MB in the beginning and 31.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:26,182 INFO L168 Benchmark]: Boogie Preprocessor took 76.26 ms. Allocated memory is still 65.0 MB. Free memory was 31.4 MB in the beginning and 29.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:26,183 INFO L168 Benchmark]: RCFGBuilder took 2590.13 ms. Allocated memory was 65.0 MB in the beginning and 90.2 MB in the end (delta: 25.2 MB). Free memory was 29.3 MB in the beginning and 45.2 MB in the end (delta: -15.8 MB). Peak memory consumption was 12.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:26,184 INFO L168 Benchmark]: TraceAbstraction took 5924.36 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 44.6 MB in the beginning and 79.9 MB in the end (delta: -35.3 MB). Peak memory consumption was 25.0 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:26,184 INFO L168 Benchmark]: Witness Printer took 116.09 ms. Allocated memory is still 109.1 MB. Free memory was 79.9 MB in the beginning and 69.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:26,187 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 65.0 MB. Free memory is still 47.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 849.86 ms. Allocated memory is still 65.0 MB. Free memory was 44.6 MB in the beginning and 34.4 MB in the end (delta: 10.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 91.15 ms. Allocated memory is still 65.0 MB. Free memory was 34.1 MB in the beginning and 31.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 76.26 ms. Allocated memory is still 65.0 MB. Free memory was 31.4 MB in the beginning and 29.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2590.13 ms. Allocated memory was 65.0 MB in the beginning and 90.2 MB in the end (delta: 25.2 MB). Free memory was 29.3 MB in the beginning and 45.2 MB in the end (delta: -15.8 MB). Peak memory consumption was 12.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5924.36 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 44.6 MB in the beginning and 79.9 MB in the end (delta: -35.3 MB). Peak memory consumption was 25.0 MB. Max. memory is 16.1 GB. * Witness Printer took 116.09 ms. Allocated memory is still 109.1 MB. Free memory was 79.9 MB in the beginning and 69.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 892]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L160] int pumpRunning = 0; [L161] int systemActive = 1; [L308] int waterLevel = 1; [L309] int methaneLevelCritical = 0; [L595] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L792] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L865] int retValue_acc ; [L866] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L417] int retValue_acc ; [L420] retValue_acc = 1 [L421] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L872] tmp = valid_product() [L874] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L87] int splverifierCounter ; [L88] int tmp ; [L89] int tmp___0 ; [L90] int tmp___1 ; [L91] int tmp___2 ; [L94] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L96] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L98] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L104] tmp = __VERIFIER_nondet_int() [L106] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L326] COND TRUE waterLevel < 2 [L327] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L114] tmp___0 = __VERIFIER_nondet_int() [L116] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L124] tmp___2 = __VERIFIER_nondet_int() [L126] COND TRUE \read(tmp___2) [L303] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L167] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L174] COND TRUE \read(systemActive) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L47] int tmp ; [L48] int tmp___0 ; [L49] int tmp___1 ; [L347] int retValue_acc ; [L350] retValue_acc = methaneLevelCritical [L351] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L53] tmp = isMethaneLevelCritical() [L55] COND FALSE !(\read(tmp)) [L379] int retValue_acc ; [L382] retValue_acc = waterLevel [L383] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L59] tmp___0 = getWaterLevel() [L61] COND TRUE tmp___0 == 2 [L240] int retValue_acc ; [L243] retValue_acc = pumpRunning [L244] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L63] tmp___1 = isPumpRunning() [L65] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L892] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 65 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 238 SDtfs, 231 SDslu, 196 SDs, 0 SdLazy, 39 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 84 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 130 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 81 ConstructedInterpolants, 0 QuantifiedInterpolants, 3675 SizeOfPredicates, 4 NumberOfNonLiveVariables, 791 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...