./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product28.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_88150046-43fc-49da-93a9-b2ac4e13323f/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88150046-43fc-49da-93a9-b2ac4e13323f/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_88150046-43fc-49da-93a9-b2ac4e13323f/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88150046-43fc-49da-93a9-b2ac4e13323f/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product28.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88150046-43fc-49da-93a9-b2ac4e13323f/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_88150046-43fc-49da-93a9-b2ac4e13323f/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 e2c2c81b567a81a7a78250134e04d44c308ef2ab ............................................................................................................................................ 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_88150046-43fc-49da-93a9-b2ac4e13323f/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88150046-43fc-49da-93a9-b2ac4e13323f/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_88150046-43fc-49da-93a9-b2ac4e13323f/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88150046-43fc-49da-93a9-b2ac4e13323f/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product28.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88150046-43fc-49da-93a9-b2ac4e13323f/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_88150046-43fc-49da-93a9-b2ac4e13323f/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 e2c2c81b567a81a7a78250134e04d44c308ef2ab ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:25:11,342 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:25:11,346 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:25:11,407 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:25:11,408 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:25:11,414 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:25:11,417 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:25:11,422 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:25:11,425 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:25:11,434 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:25:11,435 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:25:11,436 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:25:11,437 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:25:11,440 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:25:11,442 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:25:11,444 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:25:11,446 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:25:11,450 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:25:11,453 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:25:11,463 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:25:11,465 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:25:11,467 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:25:11,470 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:25:11,471 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:25:11,475 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:25:11,476 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:25:11,476 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:25:11,478 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:25:11,479 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:25:11,481 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:25:11,481 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:25:11,482 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:25:11,485 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:25:11,486 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:25:11,487 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:25:11,488 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:25:11,489 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:25:11,489 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:25:11,489 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:25:11,490 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:25:11,491 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:25:11,495 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88150046-43fc-49da-93a9-b2ac4e13323f/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:25:11,543 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:25:11,544 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:25:11,545 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:25:11,546 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:25:11,546 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:25:11,546 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:25:11,547 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:25:11,547 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:25:11,547 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:25:11,547 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:25:11,549 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:25:11,549 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:25:11,549 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:25:11,550 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:25:11,550 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:25:11,551 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:25:11,551 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:25:11,552 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:25:11,552 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:25:11,552 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:25:11,553 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:25:11,553 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:25:11,553 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:25:11,553 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:25:11,554 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:25:11,554 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:25:11,554 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:25:11,554 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:25:11,555 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:25:11,557 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:25:11,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:25:11,557 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:25:11,558 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:25:11,558 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:25:11,558 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:25:11,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:25:11,559 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:25:11,559 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:25:11,559 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:25:11,559 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_88150046-43fc-49da-93a9-b2ac4e13323f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88150046-43fc-49da-93a9-b2ac4e13323f/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2c2c81b567a81a7a78250134e04d44c308ef2ab [2021-10-11 02:25:11,842 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:25:11,864 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:25:11,867 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:25:11,868 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:25:11,872 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:25:11,874 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88150046-43fc-49da-93a9-b2ac4e13323f/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec3_product28.cil.c [2021-10-11 02:25:11,944 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88150046-43fc-49da-93a9-b2ac4e13323f/bin/utaipan-WLngWcDbfI/data/d100670bf/e0f25c9355ef400c9600306c0af7ca04/FLAGd6e96ee19 [2021-10-11 02:25:12,515 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:25:12,515 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88150046-43fc-49da-93a9-b2ac4e13323f/sv-benchmarks/c/product-lines/minepump_spec3_product28.cil.c [2021-10-11 02:25:12,535 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88150046-43fc-49da-93a9-b2ac4e13323f/bin/utaipan-WLngWcDbfI/data/d100670bf/e0f25c9355ef400c9600306c0af7ca04/FLAGd6e96ee19 [2021-10-11 02:25:12,780 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88150046-43fc-49da-93a9-b2ac4e13323f/bin/utaipan-WLngWcDbfI/data/d100670bf/e0f25c9355ef400c9600306c0af7ca04 [2021-10-11 02:25:12,784 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:25:12,787 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:25:12,790 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:12,790 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:25:12,795 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:25:12,796 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:12" (1/1) ... [2021-10-11 02:25:12,798 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30023be 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 02:25:12,799 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:12" (1/1) ... [2021-10-11 02:25:12,806 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:25:12,873 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:25:13,127 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_88150046-43fc-49da-93a9-b2ac4e13323f/sv-benchmarks/c/product-lines/minepump_spec3_product28.cil.c[7724,7737] [2021-10-11 02:25:13,179 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:25:13,191 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 02:25:13,191 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3ee2681c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:13, skipping insertion in model container [2021-10-11 02:25:13,192 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:13,192 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:25:13,194 INFO L168 Benchmark]: Toolchain (without parser) took 405.92 ms. Allocated memory is still 111.1 MB. Free memory was 73.0 MB in the beginning and 83.3 MB in the end (delta: -10.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:13,195 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 111.1 MB. Free memory was 90.2 MB in the beginning and 90.1 MB in the end (delta: 65.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:25:13,196 INFO L168 Benchmark]: CACSL2BoogieTranslator took 402.47 ms. Allocated memory is still 111.1 MB. Free memory was 72.8 MB in the beginning and 83.3 MB in the end (delta: -10.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:13,198 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 111.1 MB. Free memory was 90.2 MB in the beginning and 90.1 MB in the end (delta: 65.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 402.47 ms. Allocated memory is still 111.1 MB. Free memory was 72.8 MB in the beginning and 83.3 MB in the end (delta: -10.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 614]: 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 02:25:15,492 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:25:15,495 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:25:15,550 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:25:15,551 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:25:15,558 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:25:15,560 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:25:15,565 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:25:15,568 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:25:15,576 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:25:15,581 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:25:15,582 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:25:15,582 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:25:15,583 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:25:15,584 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:25:15,586 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:25:15,587 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:25:15,588 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:25:15,592 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:25:15,602 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:25:15,604 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:25:15,606 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:25:15,611 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:25:15,613 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:25:15,617 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:25:15,617 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:25:15,618 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:25:15,620 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:25:15,621 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:25:15,622 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:25:15,622 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:25:15,623 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:25:15,625 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:25:15,626 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:25:15,627 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:25:15,627 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:25:15,628 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:25:15,628 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:25:15,629 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:25:15,631 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:25:15,632 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:25:15,632 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88150046-43fc-49da-93a9-b2ac4e13323f/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:25:15,688 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:25:15,689 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:25:15,690 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:25:15,690 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:25:15,691 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:25:15,691 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:25:15,691 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:25:15,691 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:25:15,691 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:25:15,693 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:25:15,694 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:25:15,695 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:25:15,695 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:25:15,695 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:25:15,695 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:25:15,695 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:25:15,696 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:25:15,696 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:25:15,696 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:25:15,696 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:25:15,696 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:25:15,697 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:25:15,697 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:25:15,697 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:25:15,697 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:25:15,698 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:25:15,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:25:15,698 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:25:15,698 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:25:15,699 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:25:15,699 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:25:15,699 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:25:15,699 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:25:15,699 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:25:15,700 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:25:15,700 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_88150046-43fc-49da-93a9-b2ac4e13323f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88150046-43fc-49da-93a9-b2ac4e13323f/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2c2c81b567a81a7a78250134e04d44c308ef2ab [2021-10-11 02:25:16,064 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:25:16,105 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:25:16,110 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:25:16,111 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:25:16,112 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:25:16,115 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88150046-43fc-49da-93a9-b2ac4e13323f/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec3_product28.cil.c [2021-10-11 02:25:16,189 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88150046-43fc-49da-93a9-b2ac4e13323f/bin/utaipan-WLngWcDbfI/data/57b11a0e2/2e968a05cddd47b5b9c21013827e8602/FLAG00c7b5166 [2021-10-11 02:25:16,886 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:25:16,886 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88150046-43fc-49da-93a9-b2ac4e13323f/sv-benchmarks/c/product-lines/minepump_spec3_product28.cil.c [2021-10-11 02:25:16,916 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88150046-43fc-49da-93a9-b2ac4e13323f/bin/utaipan-WLngWcDbfI/data/57b11a0e2/2e968a05cddd47b5b9c21013827e8602/FLAG00c7b5166 [2021-10-11 02:25:17,144 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88150046-43fc-49da-93a9-b2ac4e13323f/bin/utaipan-WLngWcDbfI/data/57b11a0e2/2e968a05cddd47b5b9c21013827e8602 [2021-10-11 02:25:17,147 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:25:17,150 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:25:17,152 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:17,152 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:25:17,156 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:25:17,158 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:17" (1/1) ... [2021-10-11 02:25:17,160 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b9e6166 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:17, skipping insertion in model container [2021-10-11 02:25:17,161 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:17" (1/1) ... [2021-10-11 02:25:17,169 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:25:17,227 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:25:17,549 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_88150046-43fc-49da-93a9-b2ac4e13323f/sv-benchmarks/c/product-lines/minepump_spec3_product28.cil.c[7724,7737] [2021-10-11 02:25:17,600 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:25:17,613 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:25:17,622 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:25:17,652 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_88150046-43fc-49da-93a9-b2ac4e13323f/sv-benchmarks/c/product-lines/minepump_spec3_product28.cil.c[7724,7737] [2021-10-11 02:25:17,689 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:25:17,699 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:25:17,749 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_88150046-43fc-49da-93a9-b2ac4e13323f/sv-benchmarks/c/product-lines/minepump_spec3_product28.cil.c[7724,7737] [2021-10-11 02:25:17,785 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:25:17,826 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:25:17,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:17 WrapperNode [2021-10-11 02:25:17,826 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:17,827 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:25:17,827 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:25:17,828 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:25:17,835 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 02:25:17,856 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 02:25:17,899 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:25:17,904 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:25:17,904 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:25:17,904 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:25:17,912 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 02:25:17,913 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 02:25:17,921 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 02:25:17,922 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 02:25:17,951 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 02:25:17,958 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 02:25:17,962 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 02:25:17,981 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:25:17,982 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:25:17,982 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:25:17,983 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:25:17,983 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_88150046-43fc-49da-93a9-b2ac4e13323f/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 02:25:18,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:25:18,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:25:18,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:25:18,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:25:20,433 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:25:20,433 INFO L299 CfgBuilder]: Removed 108 assume(true) statements. [2021-10-11 02:25:20,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:25:20 BoogieIcfgContainer [2021-10-11 02:25:20,435 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:25:20,437 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:25:20,437 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:25:20,440 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:25:20,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:25:17" (1/3) ... [2021-10-11 02:25:20,441 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@488aeb06 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 02:25:20,441 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 02:25:20,441 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@488aeb06 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 02:25:20,442 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 02:25:20,443 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product28.cil.c [2021-10-11 02:25:20,457 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:25:20,460 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:25:20,471 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:25:20,505 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:25:20,507 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:25:20,507 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:25:20,507 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:25:20,508 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:25:20,508 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:25:20,508 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:25:20,508 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:25:20,526 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states. [2021-10-11 02:25:20,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 02:25:20,533 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:20,534 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 02:25:20,535 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:20,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:20,546 INFO L82 PathProgramCache]: Analyzing trace with hash -93315333, now seen corresponding path program 1 times [2021-10-11 02:25:20,559 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:20,560 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1292508933] [2021-10-11 02:25:20,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88150046-43fc-49da-93a9-b2ac4e13323f/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 02:25:20,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:20,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:25:20,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:20,836 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 02:25:20,836 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:20,837 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1292508933] [2021-10-11 02:25:20,838 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:20,839 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:25:20,840 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588266295] [2021-10-11 02:25:20,857 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:25:20,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:20,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:25:20,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:25:20,881 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 2 states. [2021-10-11 02:25:20,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:20,934 INFO L93 Difference]: Finished difference Result 160 states and 239 transitions. [2021-10-11 02:25:20,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:25:20,936 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 02:25:20,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:20,949 INFO L225 Difference]: With dead ends: 160 [2021-10-11 02:25:20,949 INFO L226 Difference]: Without dead ends: 79 [2021-10-11 02:25:20,953 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 02:25:20,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2021-10-11 02:25:20,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2021-10-11 02:25:21,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2021-10-11 02:25:21,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 111 transitions. [2021-10-11 02:25:21,006 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 111 transitions. Word has length 18 [2021-10-11 02:25:21,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:21,007 INFO L481 AbstractCegarLoop]: Abstraction has 79 states and 111 transitions. [2021-10-11 02:25:21,008 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:25:21,008 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 111 transitions. [2021-10-11 02:25:21,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 02:25:21,010 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:21,010 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 02:25:21,222 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:25:21,222 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:21,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:21,223 INFO L82 PathProgramCache]: Analyzing trace with hash -1004346086, now seen corresponding path program 1 times [2021-10-11 02:25:21,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:21,224 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1182708727] [2021-10-11 02:25:21,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88150046-43fc-49da-93a9-b2ac4e13323f/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 02:25:21,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:21,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:25:21,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:21,513 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 02:25:21,514 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:21,514 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1182708727] [2021-10-11 02:25:21,514 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:21,514 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:25:21,515 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578113226] [2021-10-11 02:25:21,516 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:25:21,516 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:21,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:25:21,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:21,517 INFO L87 Difference]: Start difference. First operand 79 states and 111 transitions. Second operand 3 states. [2021-10-11 02:25:21,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:21,527 INFO L93 Difference]: Finished difference Result 79 states and 111 transitions. [2021-10-11 02:25:21,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:25:21,528 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 02:25:21,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:21,529 INFO L225 Difference]: With dead ends: 79 [2021-10-11 02:25:21,529 INFO L226 Difference]: Without dead ends: 37 [2021-10-11 02:25:21,530 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 02:25:21,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2021-10-11 02:25:21,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2021-10-11 02:25:21,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2021-10-11 02:25:21,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 52 transitions. [2021-10-11 02:25:21,536 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 52 transitions. Word has length 19 [2021-10-11 02:25:21,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:21,536 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 52 transitions. [2021-10-11 02:25:21,536 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:25:21,537 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2021-10-11 02:25:21,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:25:21,538 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:21,538 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 02:25:21,752 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:25:21,756 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:21,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:21,757 INFO L82 PathProgramCache]: Analyzing trace with hash 2100491951, now seen corresponding path program 1 times [2021-10-11 02:25:21,758 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:21,758 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1415600962] [2021-10-11 02:25:21,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88150046-43fc-49da-93a9-b2ac4e13323f/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 02:25:21,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:21,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:25:21,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:21,989 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 02:25:21,990 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:21,990 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1415600962] [2021-10-11 02:25:21,990 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:21,990 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:25:21,991 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709705126] [2021-10-11 02:25:21,991 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:25:21,991 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:21,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:25:21,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:21,992 INFO L87 Difference]: Start difference. First operand 37 states and 52 transitions. Second operand 3 states. [2021-10-11 02:25:22,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:22,039 INFO L93 Difference]: Finished difference Result 99 states and 144 transitions. [2021-10-11 02:25:22,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:25:22,040 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:25:22,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:22,041 INFO L225 Difference]: With dead ends: 99 [2021-10-11 02:25:22,041 INFO L226 Difference]: Without dead ends: 68 [2021-10-11 02:25:22,042 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 02:25:22,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2021-10-11 02:25:22,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 64. [2021-10-11 02:25:22,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2021-10-11 02:25:22,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 93 transitions. [2021-10-11 02:25:22,052 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 93 transitions. Word has length 24 [2021-10-11 02:25:22,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:22,052 INFO L481 AbstractCegarLoop]: Abstraction has 64 states and 93 transitions. [2021-10-11 02:25:22,052 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:25:22,052 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 93 transitions. [2021-10-11 02:25:22,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 02:25:22,054 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:22,054 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 02:25:22,271 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:25:22,271 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:22,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:22,272 INFO L82 PathProgramCache]: Analyzing trace with hash -1826320204, now seen corresponding path program 1 times [2021-10-11 02:25:22,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:22,273 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1669785352] [2021-10-11 02:25:22,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88150046-43fc-49da-93a9-b2ac4e13323f/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 02:25:22,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:22,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:25:22,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:22,506 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 02:25:22,509 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:22,510 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1669785352] [2021-10-11 02:25:22,510 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:22,510 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:25:22,511 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863185696] [2021-10-11 02:25:22,512 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:25:22,513 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:22,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:25:22,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:25:22,515 INFO L87 Difference]: Start difference. First operand 64 states and 93 transitions. Second operand 5 states. [2021-10-11 02:25:22,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:22,661 INFO L93 Difference]: Finished difference Result 348 states and 530 transitions. [2021-10-11 02:25:22,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 02:25:22,661 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2021-10-11 02:25:22,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:22,664 INFO L225 Difference]: With dead ends: 348 [2021-10-11 02:25:22,664 INFO L226 Difference]: Without dead ends: 290 [2021-10-11 02:25:22,665 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 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 02:25:22,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2021-10-11 02:25:22,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 116. [2021-10-11 02:25:22,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2021-10-11 02:25:22,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 167 transitions. [2021-10-11 02:25:22,702 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 167 transitions. Word has length 25 [2021-10-11 02:25:22,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:22,702 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 167 transitions. [2021-10-11 02:25:22,702 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:25:22,702 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 167 transitions. [2021-10-11 02:25:22,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 02:25:22,704 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:22,704 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 02:25:22,921 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:25:22,922 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:22,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:22,922 INFO L82 PathProgramCache]: Analyzing trace with hash 509338102, now seen corresponding path program 1 times [2021-10-11 02:25:22,923 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:22,923 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1276941946] [2021-10-11 02:25:22,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88150046-43fc-49da-93a9-b2ac4e13323f/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 02:25:24,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:25:24,281 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:25:25,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:25:25,530 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:25:25,678 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-11 02:25:25,679 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:25:25,901 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:25:26,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:25:26 BoogieIcfgContainer [2021-10-11 02:25:26,054 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:25:26,054 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:25:26,055 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:25:26,055 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:25:26,055 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 02:25:26,057 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-11 02:25:26,181 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88150046-43fc-49da-93a9-b2ac4e13323f/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:25:26,182 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:25:26,186 INFO L168 Benchmark]: Toolchain (without parser) took 9032.35 ms. Allocated memory was 54.5 MB in the beginning and 81.8 MB in the end (delta: 27.3 MB). Free memory was 30.8 MB in the beginning and 42.3 MB in the end (delta: -11.5 MB). Peak memory consumption was 15.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:26,187 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 54.5 MB. Free memory was 35.6 MB in the beginning and 35.6 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:25:26,188 INFO L168 Benchmark]: CACSL2BoogieTranslator took 674.31 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 30.5 MB in the beginning and 44.3 MB in the end (delta: -13.8 MB). Peak memory consumption was 8.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:26,189 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.56 ms. Allocated memory is still 67.1 MB. Free memory was 44.1 MB in the beginning and 41.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:26,189 INFO L168 Benchmark]: Boogie Preprocessor took 77.45 ms. Allocated memory is still 67.1 MB. Free memory was 41.1 MB in the beginning and 38.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:26,190 INFO L168 Benchmark]: RCFGBuilder took 2452.98 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 38.7 MB in the beginning and 42.8 MB in the end (delta: -4.0 MB). Peak memory consumption was 12.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:26,190 INFO L168 Benchmark]: TraceAbstraction took 5617.06 ms. Allocated memory is still 81.8 MB. Free memory was 42.3 MB in the beginning and 53.4 MB in the end (delta: -11.0 MB). Peak memory consumption was 22.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:26,191 INFO L168 Benchmark]: Witness Printer took 127.52 ms. Allocated memory is still 81.8 MB. Free memory was 53.4 MB in the beginning and 42.3 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:26,196 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 54.5 MB. Free memory was 35.6 MB in the beginning and 35.6 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 674.31 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 30.5 MB in the beginning and 44.3 MB in the end (delta: -13.8 MB). Peak memory consumption was 8.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 71.56 ms. Allocated memory is still 67.1 MB. Free memory was 44.1 MB in the beginning and 41.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 77.45 ms. Allocated memory is still 67.1 MB. Free memory was 41.1 MB in the beginning and 38.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2452.98 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 38.7 MB in the beginning and 42.8 MB in the end (delta: -4.0 MB). Peak memory consumption was 12.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5617.06 ms. Allocated memory is still 81.8 MB. Free memory was 42.3 MB in the beginning and 53.4 MB in the end (delta: -11.0 MB). Peak memory consumption was 22.4 MB. Max. memory is 16.1 GB. * Witness Printer took 127.52 ms. Allocated memory is still 81.8 MB. Free memory was 53.4 MB in the beginning and 42.3 MB in the end (delta: 11.0 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: 547]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L91] int pumpRunning = 0; [L92] int systemActive = 1; [L358] int waterLevel = 1; [L359] int methaneLevelCritical = 0; [L447] int cleanupTimeShifts = 4; [L755] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L520] int retValue_acc ; [L521] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L71] int retValue_acc ; [L74] retValue_acc = 1 [L75] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L527] tmp = valid_product() [L529] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L289] int splverifierCounter ; [L290] int tmp ; [L291] int tmp___0 ; [L292] int tmp___1 ; [L293] int tmp___2 ; [L296] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L298] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L300] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L306] tmp = __VERIFIER_nondet_int() [L308] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L376] COND TRUE waterLevel < 2 [L377] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L316] tmp___0 = __VERIFIER_nondet_int() [L318] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L326] tmp___2 = __VERIFIER_nondet_int() [L328] COND TRUE \read(tmp___2) [L280] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L99] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L106] COND TRUE \read(systemActive) [L128] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L131] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L553] int tmp ; [L554] int tmp___0 ; [L555] int tmp___1 ; [L397] int retValue_acc ; [L400] retValue_acc = methaneLevelCritical [L401] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L559] tmp = isMethaneLevelCritical() [L561] COND FALSE !(\read(tmp)) [L429] int retValue_acc ; [L432] retValue_acc = waterLevel [L433] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L565] tmp___0 = getWaterLevel() [L567] COND TRUE tmp___0 == 2 [L198] int retValue_acc ; [L201] retValue_acc = pumpRunning [L202] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L569] tmp___1 = isPumpRunning() [L571] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L547] 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, 83 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 299 SDtfs, 311 SDslu, 245 SDs, 0 SdLazy, 46 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 85 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred 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, 178 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 3894 SizeOfPredicates, 4 NumberOfNonLiveVariables, 792 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...