./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product34.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_2699b829-fd76-44c5-b894-c6b03326d65b/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2699b829-fd76-44c5-b894-c6b03326d65b/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_2699b829-fd76-44c5-b894-c6b03326d65b/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2699b829-fd76-44c5-b894-c6b03326d65b/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product34.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2699b829-fd76-44c5-b894-c6b03326d65b/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_2699b829-fd76-44c5-b894-c6b03326d65b/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 2195b79e9318debfd37e6b0067135f78488fab28 ............................................................................................................................................ 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_2699b829-fd76-44c5-b894-c6b03326d65b/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2699b829-fd76-44c5-b894-c6b03326d65b/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_2699b829-fd76-44c5-b894-c6b03326d65b/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2699b829-fd76-44c5-b894-c6b03326d65b/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product34.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2699b829-fd76-44c5-b894-c6b03326d65b/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_2699b829-fd76-44c5-b894-c6b03326d65b/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 2195b79e9318debfd37e6b0067135f78488fab28 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 02:25:41,386 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:25:41,389 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:25:41,441 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:25:41,442 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:25:41,448 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:25:41,451 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:25:41,456 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:25:41,459 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:25:41,467 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:25:41,468 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:25:41,469 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:25:41,469 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:25:41,471 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:25:41,472 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:25:41,473 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:25:41,474 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:25:41,475 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:25:41,477 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:25:41,483 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:25:41,485 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:25:41,487 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:25:41,491 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:25:41,491 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:25:41,503 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:25:41,504 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:25:41,504 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:25:41,506 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:25:41,507 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:25:41,508 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:25:41,509 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:25:41,509 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:25:41,511 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:25:41,512 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:25:41,514 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:25:41,514 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:25:41,515 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:25:41,515 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:25:41,515 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:25:41,516 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:25:41,517 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:25:41,519 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2699b829-fd76-44c5-b894-c6b03326d65b/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:25:41,563 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:25:41,564 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:25:41,565 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:25:41,565 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:25:41,565 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:25:41,565 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:25:41,566 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:25:41,566 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:25:41,566 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:25:41,566 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:25:41,567 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:25:41,567 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:25:41,568 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:25:41,568 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:25:41,568 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:25:41,569 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:25:41,569 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:25:41,569 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:25:41,569 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:25:41,570 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:25:41,570 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:25:41,570 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:25:41,570 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:25:41,570 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:25:41,570 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:25:41,571 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:25:41,571 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:25:41,571 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:25:41,571 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:25:41,573 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:25:41,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:25:41,573 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:25:41,574 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:25:41,574 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:25:41,574 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:25:41,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:25:41,574 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:25:41,574 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:25:41,575 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:25:41,575 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_2699b829-fd76-44c5-b894-c6b03326d65b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2699b829-fd76-44c5-b894-c6b03326d65b/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2195b79e9318debfd37e6b0067135f78488fab28 [2021-10-11 02:25:41,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:25:41,941 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:25:41,945 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:25:41,947 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:25:41,947 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:25:41,948 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2699b829-fd76-44c5-b894-c6b03326d65b/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec1_product34.cil.c [2021-10-11 02:25:42,018 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2699b829-fd76-44c5-b894-c6b03326d65b/bin/utaipan-WLngWcDbfI/data/67f7e482d/9fb673bd09c8404abc835c4908c6c4cb/FLAGb51bc9f8b [2021-10-11 02:25:42,504 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:25:42,505 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2699b829-fd76-44c5-b894-c6b03326d65b/sv-benchmarks/c/product-lines/minepump_spec1_product34.cil.c [2021-10-11 02:25:42,526 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2699b829-fd76-44c5-b894-c6b03326d65b/bin/utaipan-WLngWcDbfI/data/67f7e482d/9fb673bd09c8404abc835c4908c6c4cb/FLAGb51bc9f8b [2021-10-11 02:25:42,832 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2699b829-fd76-44c5-b894-c6b03326d65b/bin/utaipan-WLngWcDbfI/data/67f7e482d/9fb673bd09c8404abc835c4908c6c4cb [2021-10-11 02:25:42,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:25:42,836 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:25:42,838 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:42,838 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:25:42,842 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:25:42,843 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:42" (1/1) ... [2021-10-11 02:25:42,845 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f02fe78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:42, skipping insertion in model container [2021-10-11 02:25:42,845 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:42" (1/1) ... [2021-10-11 02:25:42,853 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:25:42,916 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:25:43,206 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_2699b829-fd76-44c5-b894-c6b03326d65b/sv-benchmarks/c/product-lines/minepump_spec1_product34.cil.c[12260,12273] [2021-10-11 02:25:43,252 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:25:43,263 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 02:25:43,264 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@54ada4f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:43, skipping insertion in model container [2021-10-11 02:25:43,264 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:43,265 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:25:43,267 INFO L168 Benchmark]: Toolchain (without parser) took 429.74 ms. Allocated memory is still 107.0 MB. Free memory was 66.0 MB in the beginning and 79.7 MB in the end (delta: -13.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:43,269 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 107.0 MB. Free memory was 83.1 MB in the beginning and 83.0 MB in the end (delta: 60.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:25:43,271 INFO L168 Benchmark]: CACSL2BoogieTranslator took 426.91 ms. Allocated memory is still 107.0 MB. Free memory was 65.8 MB in the beginning and 79.7 MB in the end (delta: -13.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:43,273 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 107.0 MB. Free memory was 83.1 MB in the beginning and 83.0 MB in the end (delta: 60.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 426.91 ms. Allocated memory is still 107.0 MB. Free memory was 65.8 MB in the beginning and 79.7 MB in the end (delta: -13.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 174]: 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 02:25:45,632 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:25:45,636 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:25:45,673 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:25:45,673 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:25:45,675 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:25:45,677 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:25:45,679 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:25:45,682 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:25:45,683 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:25:45,684 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:25:45,686 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:25:45,690 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:25:45,698 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:25:45,700 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:25:45,701 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:25:45,703 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:25:45,705 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:25:45,708 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:25:45,714 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:25:45,718 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:25:45,720 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:25:45,724 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:25:45,726 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:25:45,735 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:25:45,735 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:25:45,736 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:25:45,740 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:25:45,741 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:25:45,742 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:25:45,743 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:25:45,744 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:25:45,746 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:25:45,747 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:25:45,749 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:25:45,749 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:25:45,750 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:25:45,751 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:25:45,751 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:25:45,753 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:25:45,754 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:25:45,755 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2699b829-fd76-44c5-b894-c6b03326d65b/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:25:45,802 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:25:45,802 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:25:45,804 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:25:45,804 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:25:45,804 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:25:45,805 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:25:45,805 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:25:45,805 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:25:45,805 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:25:45,807 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:25:45,808 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:25:45,808 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:25:45,809 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:25:45,809 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:25:45,809 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:25:45,809 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:25:45,810 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:25:45,810 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:25:45,810 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:25:45,810 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:25:45,811 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:25:45,811 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:25:45,811 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:25:45,811 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:25:45,812 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:25:45,812 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:25:45,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:25:45,812 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:25:45,813 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:25:45,813 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:25:45,813 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:25:45,813 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:25:45,814 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:25:45,814 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:25:45,814 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:25:45,814 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_2699b829-fd76-44c5-b894-c6b03326d65b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2699b829-fd76-44c5-b894-c6b03326d65b/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2195b79e9318debfd37e6b0067135f78488fab28 [2021-10-11 02:25:46,219 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:25:46,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:25:46,257 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:25:46,258 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:25:46,259 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:25:46,262 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2699b829-fd76-44c5-b894-c6b03326d65b/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec1_product34.cil.c [2021-10-11 02:25:46,352 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2699b829-fd76-44c5-b894-c6b03326d65b/bin/utaipan-WLngWcDbfI/data/d690d1a3f/f144dfb9135b47bc8368915cede3c2e3/FLAGfbbeb1a68 [2021-10-11 02:25:47,033 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:25:47,033 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2699b829-fd76-44c5-b894-c6b03326d65b/sv-benchmarks/c/product-lines/minepump_spec1_product34.cil.c [2021-10-11 02:25:47,055 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2699b829-fd76-44c5-b894-c6b03326d65b/bin/utaipan-WLngWcDbfI/data/d690d1a3f/f144dfb9135b47bc8368915cede3c2e3/FLAGfbbeb1a68 [2021-10-11 02:25:47,329 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2699b829-fd76-44c5-b894-c6b03326d65b/bin/utaipan-WLngWcDbfI/data/d690d1a3f/f144dfb9135b47bc8368915cede3c2e3 [2021-10-11 02:25:47,338 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:25:47,339 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:25:47,341 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:47,341 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:25:47,345 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:25:47,346 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:47" (1/1) ... [2021-10-11 02:25:47,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20794965 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:47, skipping insertion in model container [2021-10-11 02:25:47,348 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:47" (1/1) ... [2021-10-11 02:25:47,357 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:25:47,403 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:25:47,661 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_2699b829-fd76-44c5-b894-c6b03326d65b/sv-benchmarks/c/product-lines/minepump_spec1_product34.cil.c[12260,12273] [2021-10-11 02:25:47,723 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:25:47,746 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:25:47,766 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:25:47,827 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_2699b829-fd76-44c5-b894-c6b03326d65b/sv-benchmarks/c/product-lines/minepump_spec1_product34.cil.c[12260,12273] [2021-10-11 02:25:47,850 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:25:47,862 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:25:47,944 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_2699b829-fd76-44c5-b894-c6b03326d65b/sv-benchmarks/c/product-lines/minepump_spec1_product34.cil.c[12260,12273] [2021-10-11 02:25:47,978 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:25:48,018 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:25:48,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:48 WrapperNode [2021-10-11 02:25:48,020 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:48,024 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:25:48,024 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:25:48,024 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:25:48,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:48" (1/1) ... [2021-10-11 02:25:48,052 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:48" (1/1) ... [2021-10-11 02:25:48,106 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:25:48,106 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:25:48,107 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:25:48,107 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:25:48,121 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:48" (1/1) ... [2021-10-11 02:25:48,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:48" (1/1) ... [2021-10-11 02:25:48,132 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:48" (1/1) ... [2021-10-11 02:25:48,146 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:48" (1/1) ... [2021-10-11 02:25:48,157 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:48" (1/1) ... [2021-10-11 02:25:48,164 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:48" (1/1) ... [2021-10-11 02:25:48,167 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:48" (1/1) ... [2021-10-11 02:25:48,172 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:25:48,183 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:25:48,185 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:25:48,185 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:25:48,186 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:48" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2699b829-fd76-44c5-b894-c6b03326d65b/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 02:25:48,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:25:48,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:25:48,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:25:48,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:25:50,591 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:25:50,592 INFO L299 CfgBuilder]: Removed 98 assume(true) statements. [2021-10-11 02:25:50,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:25:50 BoogieIcfgContainer [2021-10-11 02:25:50,594 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:25:50,603 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:25:50,604 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:25:50,607 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:25:50,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:25:47" (1/3) ... [2021-10-11 02:25:50,608 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18dee382 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:25:50, skipping insertion in model container [2021-10-11 02:25:50,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:48" (2/3) ... [2021-10-11 02:25:50,609 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18dee382 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:25:50, skipping insertion in model container [2021-10-11 02:25:50,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:25:50" (3/3) ... [2021-10-11 02:25:50,611 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product34.cil.c [2021-10-11 02:25:50,626 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:25:50,630 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:25:50,641 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:25:50,666 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:25:50,666 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:25:50,667 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:25:50,667 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:25:50,667 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:25:50,667 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:25:50,667 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:25:50,667 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:25:50,682 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states. [2021-10-11 02:25:50,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 02:25:50,688 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:50,688 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:50,689 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:50,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:50,695 INFO L82 PathProgramCache]: Analyzing trace with hash 1424204181, now seen corresponding path program 1 times [2021-10-11 02:25:50,709 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:50,709 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2002300802] [2021-10-11 02:25:50,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2699b829-fd76-44c5-b894-c6b03326d65b/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 02:25:50,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:50,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:25:50,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:50,963 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 02:25:50,963 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:50,964 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2002300802] [2021-10-11 02:25:50,964 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:50,965 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:25:50,965 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153816641] [2021-10-11 02:25:50,970 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:25:50,970 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:50,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:25:50,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:25:50,985 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 2 states. [2021-10-11 02:25:51,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:51,011 INFO L93 Difference]: Finished difference Result 150 states and 227 transitions. [2021-10-11 02:25:51,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:25:51,012 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 02:25:51,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:51,022 INFO L225 Difference]: With dead ends: 150 [2021-10-11 02:25:51,022 INFO L226 Difference]: Without dead ends: 74 [2021-10-11 02:25:51,025 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:25:51,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2021-10-11 02:25:51,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2021-10-11 02:25:51,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2021-10-11 02:25:51,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 105 transitions. [2021-10-11 02:25:51,074 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 105 transitions. Word has length 16 [2021-10-11 02:25:51,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:51,074 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 105 transitions. [2021-10-11 02:25:51,074 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:25:51,075 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 105 transitions. [2021-10-11 02:25:51,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 02:25:51,076 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:51,076 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:51,297 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:25:51,297 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:51,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:51,298 INFO L82 PathProgramCache]: Analyzing trace with hash -631654862, now seen corresponding path program 1 times [2021-10-11 02:25:51,299 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:51,299 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1441663847] [2021-10-11 02:25:51,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2699b829-fd76-44c5-b894-c6b03326d65b/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 02:25:51,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:51,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:25:51,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:51,524 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 02:25:51,525 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:51,525 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1441663847] [2021-10-11 02:25:51,525 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:51,525 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:25:51,526 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075452853] [2021-10-11 02:25:51,527 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:25:51,527 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:51,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:25:51,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:51,532 INFO L87 Difference]: Start difference. First operand 74 states and 105 transitions. Second operand 3 states. [2021-10-11 02:25:51,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:51,557 INFO L93 Difference]: Finished difference Result 74 states and 105 transitions. [2021-10-11 02:25:51,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:25:51,558 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 02:25:51,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:51,559 INFO L225 Difference]: With dead ends: 74 [2021-10-11 02:25:51,559 INFO L226 Difference]: Without dead ends: 34 [2021-10-11 02:25:51,560 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:51,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2021-10-11 02:25:51,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2021-10-11 02:25:51,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2021-10-11 02:25:51,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 48 transitions. [2021-10-11 02:25:51,566 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 48 transitions. Word has length 17 [2021-10-11 02:25:51,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:51,566 INFO L481 AbstractCegarLoop]: Abstraction has 34 states and 48 transitions. [2021-10-11 02:25:51,566 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:25:51,566 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 48 transitions. [2021-10-11 02:25:51,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 02:25:51,567 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:51,568 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:51,786 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:25:51,787 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:51,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:51,788 INFO L82 PathProgramCache]: Analyzing trace with hash -964945646, now seen corresponding path program 1 times [2021-10-11 02:25:51,788 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:51,789 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [219364884] [2021-10-11 02:25:51,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2699b829-fd76-44c5-b894-c6b03326d65b/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 02:25:51,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:52,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:25:52,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:52,044 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 02:25:52,044 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:52,049 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [219364884] [2021-10-11 02:25:52,049 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:52,049 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:25:52,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725647068] [2021-10-11 02:25:52,050 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:25:52,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:52,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:25:52,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:52,051 INFO L87 Difference]: Start difference. First operand 34 states and 48 transitions. Second operand 3 states. [2021-10-11 02:25:52,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:52,098 INFO L93 Difference]: Finished difference Result 62 states and 90 transitions. [2021-10-11 02:25:52,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:25:52,101 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2021-10-11 02:25:52,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:52,102 INFO L225 Difference]: With dead ends: 62 [2021-10-11 02:25:52,102 INFO L226 Difference]: Without dead ends: 34 [2021-10-11 02:25:52,103 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:52,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2021-10-11 02:25:52,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2021-10-11 02:25:52,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2021-10-11 02:25:52,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 47 transitions. [2021-10-11 02:25:52,115 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 47 transitions. Word has length 22 [2021-10-11 02:25:52,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:52,116 INFO L481 AbstractCegarLoop]: Abstraction has 34 states and 47 transitions. [2021-10-11 02:25:52,116 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:25:52,116 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 47 transitions. [2021-10-11 02:25:52,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-11 02:25:52,117 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:52,117 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:52,317 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:25:52,318 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:52,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:52,318 INFO L82 PathProgramCache]: Analyzing trace with hash -952202930, now seen corresponding path program 1 times [2021-10-11 02:25:52,319 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:52,319 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [747785763] [2021-10-11 02:25:52,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2699b829-fd76-44c5-b894-c6b03326d65b/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 02:25:52,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:52,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:25:52,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:52,599 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 02:25:52,600 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:52,600 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [747785763] [2021-10-11 02:25:52,600 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:52,600 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:25:52,600 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043646597] [2021-10-11 02:25:52,601 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:25:52,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:52,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:25:52,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:52,602 INFO L87 Difference]: Start difference. First operand 34 states and 47 transitions. Second operand 3 states. [2021-10-11 02:25:52,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:52,653 INFO L93 Difference]: Finished difference Result 83 states and 118 transitions. [2021-10-11 02:25:52,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:25:52,653 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2021-10-11 02:25:52,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:52,654 INFO L225 Difference]: With dead ends: 83 [2021-10-11 02:25:52,654 INFO L226 Difference]: Without dead ends: 55 [2021-10-11 02:25:52,655 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:52,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-10-11 02:25:52,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 53. [2021-10-11 02:25:52,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2021-10-11 02:25:52,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 74 transitions. [2021-10-11 02:25:52,674 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 74 transitions. Word has length 23 [2021-10-11 02:25:52,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:52,674 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 74 transitions. [2021-10-11 02:25:52,674 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:25:52,675 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 74 transitions. [2021-10-11 02:25:52,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-11 02:25:52,676 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:52,676 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:52,894 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:25:52,895 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:52,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:52,895 INFO L82 PathProgramCache]: Analyzing trace with hash -2049720417, now seen corresponding path program 1 times [2021-10-11 02:25:52,896 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:52,896 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [696121041] [2021-10-11 02:25:52,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2699b829-fd76-44c5-b894-c6b03326d65b/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 02:25:53,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:53,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:25:53,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:53,138 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 02:25:53,138 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:53,139 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [696121041] [2021-10-11 02:25:53,139 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:53,139 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:25:53,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45738399] [2021-10-11 02:25:53,140 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:25:53,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:53,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:25:53,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:25:53,141 INFO L87 Difference]: Start difference. First operand 53 states and 74 transitions. Second operand 5 states. [2021-10-11 02:25:53,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:53,199 INFO L93 Difference]: Finished difference Result 139 states and 194 transitions. [2021-10-11 02:25:53,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:25:53,200 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2021-10-11 02:25:53,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:53,201 INFO L225 Difference]: With dead ends: 139 [2021-10-11 02:25:53,202 INFO L226 Difference]: Without dead ends: 92 [2021-10-11 02:25:53,202 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:25:53,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2021-10-11 02:25:53,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 56. [2021-10-11 02:25:53,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2021-10-11 02:25:53,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 77 transitions. [2021-10-11 02:25:53,212 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 77 transitions. Word has length 29 [2021-10-11 02:25:53,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:53,212 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 77 transitions. [2021-10-11 02:25:53,212 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:25:53,213 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 77 transitions. [2021-10-11 02:25:53,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-11 02:25:53,214 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:53,214 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:53,426 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:25:53,427 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:53,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:53,427 INFO L82 PathProgramCache]: Analyzing trace with hash 612790626, now seen corresponding path program 1 times [2021-10-11 02:25:53,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:53,428 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1585332599] [2021-10-11 02:25:53,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2699b829-fd76-44c5-b894-c6b03326d65b/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2021-10-11 02:25:53,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:53,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:25:53,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:53,696 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 02:25:53,696 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:53,698 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1585332599] [2021-10-11 02:25:53,699 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:53,699 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:25:53,699 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911667310] [2021-10-11 02:25:53,700 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:25:53,703 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:53,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:25:53,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:25:53,705 INFO L87 Difference]: Start difference. First operand 56 states and 77 transitions. Second operand 5 states. [2021-10-11 02:25:53,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:53,843 INFO L93 Difference]: Finished difference Result 270 states and 384 transitions. [2021-10-11 02:25:53,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 02:25:53,845 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2021-10-11 02:25:53,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:53,848 INFO L225 Difference]: With dead ends: 270 [2021-10-11 02:25:53,849 INFO L226 Difference]: Without dead ends: 220 [2021-10-11 02:25:53,853 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:25:53,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2021-10-11 02:25:53,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 100. [2021-10-11 02:25:53,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2021-10-11 02:25:53,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 137 transitions. [2021-10-11 02:25:53,879 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 137 transitions. Word has length 29 [2021-10-11 02:25:53,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:53,880 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 137 transitions. [2021-10-11 02:25:53,880 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:25:53,880 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 137 transitions. [2021-10-11 02:25:53,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-11 02:25:53,881 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:53,881 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:54,101 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2021-10-11 02:25:54,102 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:54,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:54,102 INFO L82 PathProgramCache]: Analyzing trace with hash -1166654740, now seen corresponding path program 1 times [2021-10-11 02:25:54,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:54,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1590507535] [2021-10-11 02:25:54,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2699b829-fd76-44c5-b894-c6b03326d65b/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2021-10-11 02:25:54,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:54,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:25:54,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:54,348 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 02:25:54,349 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:54,349 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1590507535] [2021-10-11 02:25:54,349 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:54,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:25:54,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46380550] [2021-10-11 02:25:54,350 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:25:54,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:54,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:25:54,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:25:54,351 INFO L87 Difference]: Start difference. First operand 100 states and 137 transitions. Second operand 5 states. [2021-10-11 02:25:54,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:54,517 INFO L93 Difference]: Finished difference Result 280 states and 386 transitions. [2021-10-11 02:25:54,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 02:25:54,518 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2021-10-11 02:25:54,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:54,520 INFO L225 Difference]: With dead ends: 280 [2021-10-11 02:25:54,520 INFO L226 Difference]: Without dead ends: 278 [2021-10-11 02:25:54,521 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:25:54,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2021-10-11 02:25:54,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 100. [2021-10-11 02:25:54,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2021-10-11 02:25:54,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 136 transitions. [2021-10-11 02:25:54,537 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 136 transitions. Word has length 30 [2021-10-11 02:25:54,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:54,537 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 136 transitions. [2021-10-11 02:25:54,538 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:25:54,538 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 136 transitions. [2021-10-11 02:25:54,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-11 02:25:54,539 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:54,539 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:54,758 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2021-10-11 02:25:54,759 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:54,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:54,759 INFO L82 PathProgramCache]: Analyzing trace with hash 72774503, now seen corresponding path program 1 times [2021-10-11 02:25:54,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:54,759 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [148247202] [2021-10-11 02:25:54,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2699b829-fd76-44c5-b894-c6b03326d65b/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2021-10-11 02:25:54,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:54,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 02:25:54,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:55,001 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 02:25:55,001 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:55,002 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [148247202] [2021-10-11 02:25:55,002 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:55,002 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:25:55,002 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743919987] [2021-10-11 02:25:55,003 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:25:55,003 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:55,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:25:55,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:25:55,004 INFO L87 Difference]: Start difference. First operand 100 states and 136 transitions. Second operand 4 states. [2021-10-11 02:25:55,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:55,046 INFO L93 Difference]: Finished difference Result 240 states and 326 transitions. [2021-10-11 02:25:55,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:25:55,047 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2021-10-11 02:25:55,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:55,048 INFO L225 Difference]: With dead ends: 240 [2021-10-11 02:25:55,048 INFO L226 Difference]: Without dead ends: 146 [2021-10-11 02:25:55,049 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:25:55,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2021-10-11 02:25:55,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 104. [2021-10-11 02:25:55,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2021-10-11 02:25:55,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 140 transitions. [2021-10-11 02:25:55,064 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 140 transitions. Word has length 30 [2021-10-11 02:25:55,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:55,064 INFO L481 AbstractCegarLoop]: Abstraction has 104 states and 140 transitions. [2021-10-11 02:25:55,065 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:25:55,065 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 140 transitions. [2021-10-11 02:25:55,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-11 02:25:55,066 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:55,066 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:55,281 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2021-10-11 02:25:55,282 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:55,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:55,282 INFO L82 PathProgramCache]: Analyzing trace with hash 330939941, now seen corresponding path program 1 times [2021-10-11 02:25:55,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:55,282 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1855370032] [2021-10-11 02:25:55,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2699b829-fd76-44c5-b894-c6b03326d65b/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2021-10-11 02:25:55,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:55,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:25:55,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:55,504 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 02:25:55,504 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:55,504 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1855370032] [2021-10-11 02:25:55,504 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:55,504 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:25:55,505 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969000284] [2021-10-11 02:25:55,505 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:25:55,505 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:55,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:25:55,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:55,505 INFO L87 Difference]: Start difference. First operand 104 states and 140 transitions. Second operand 3 states. [2021-10-11 02:25:55,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:55,542 INFO L93 Difference]: Finished difference Result 250 states and 336 transitions. [2021-10-11 02:25:55,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:25:55,543 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2021-10-11 02:25:55,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:55,544 INFO L225 Difference]: With dead ends: 250 [2021-10-11 02:25:55,544 INFO L226 Difference]: Without dead ends: 152 [2021-10-11 02:25:55,545 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:55,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2021-10-11 02:25:55,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2021-10-11 02:25:55,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2021-10-11 02:25:55,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 198 transitions. [2021-10-11 02:25:55,566 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 198 transitions. Word has length 30 [2021-10-11 02:25:55,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:55,566 INFO L481 AbstractCegarLoop]: Abstraction has 152 states and 198 transitions. [2021-10-11 02:25:55,567 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:25:55,567 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 198 transitions. [2021-10-11 02:25:55,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-11 02:25:55,568 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:55,568 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:55,786 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2021-10-11 02:25:55,789 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:55,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:55,790 INFO L82 PathProgramCache]: Analyzing trace with hash -1676876253, now seen corresponding path program 1 times [2021-10-11 02:25:55,790 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:55,791 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [247083494] [2021-10-11 02:25:55,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2699b829-fd76-44c5-b894-c6b03326d65b/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2021-10-11 02:25:57,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:25:57,146 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:25:58,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:25:58,560 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:25:58,708 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-11 02:25:58,708 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:25:58,938 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2021-10-11 02:25:59,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:25:59 BoogieIcfgContainer [2021-10-11 02:25:59,077 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:25:59,077 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:25:59,077 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:25:59,077 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:25:59,078 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:25:50" (3/4) ... [2021-10-11 02:25:59,080 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-11 02:25:59,206 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2699b829-fd76-44c5-b894-c6b03326d65b/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:25:59,206 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:25:59,210 INFO L168 Benchmark]: Toolchain (without parser) took 11867.56 ms. Allocated memory was 60.8 MB in the beginning and 107.0 MB in the end (delta: 46.1 MB). Free memory was 39.6 MB in the beginning and 45.1 MB in the end (delta: -5.4 MB). Peak memory consumption was 40.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:59,211 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 60.8 MB. Free memory is still 42.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:25:59,211 INFO L168 Benchmark]: CACSL2BoogieTranslator took 679.47 ms. Allocated memory is still 60.8 MB. Free memory was 39.4 MB in the beginning and 26.6 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:59,212 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.27 ms. Allocated memory was 60.8 MB in the beginning and 88.1 MB in the end (delta: 27.3 MB). Free memory was 26.4 MB in the beginning and 70.4 MB in the end (delta: -44.0 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:59,212 INFO L168 Benchmark]: Boogie Preprocessor took 75.76 ms. Allocated memory is still 88.1 MB. Free memory was 70.4 MB in the beginning and 67.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:59,213 INFO L168 Benchmark]: RCFGBuilder took 2410.91 ms. Allocated memory is still 88.1 MB. Free memory was 67.9 MB in the beginning and 36.1 MB in the end (delta: 31.8 MB). Peak memory consumption was 30.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:59,213 INFO L168 Benchmark]: TraceAbstraction took 8473.13 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 68.4 MB in the beginning and 57.6 MB in the end (delta: 10.8 MB). Peak memory consumption was 29.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:59,214 INFO L168 Benchmark]: Witness Printer took 129.27 ms. Allocated memory is still 107.0 MB. Free memory was 57.6 MB in the beginning and 45.1 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:59,216 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 60.8 MB. Free memory is still 42.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 679.47 ms. Allocated memory is still 60.8 MB. Free memory was 39.4 MB in the beginning and 26.6 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 82.27 ms. Allocated memory was 60.8 MB in the beginning and 88.1 MB in the end (delta: 27.3 MB). Free memory was 26.4 MB in the beginning and 70.4 MB in the end (delta: -44.0 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 75.76 ms. Allocated memory is still 88.1 MB. Free memory was 70.4 MB in the beginning and 67.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2410.91 ms. Allocated memory is still 88.1 MB. Free memory was 67.9 MB in the beginning and 36.1 MB in the end (delta: 31.8 MB). Peak memory consumption was 30.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 8473.13 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 68.4 MB in the beginning and 57.6 MB in the end (delta: 10.8 MB). Peak memory consumption was 29.2 MB. Max. memory is 16.1 GB. * Witness Printer took 129.27 ms. Allocated memory is still 107.0 MB. Free memory was 57.6 MB in the beginning and 45.1 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 516]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L42] int cleanupTimeShifts = 4; [L315] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L526] int waterLevel = 1; [L527] int methaneLevelCritical = 0; [L691] int pumpRunning = 0; [L692] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L123] int retValue_acc ; [L124] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L904] int retValue_acc ; [L907] retValue_acc = 1 [L908] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L130] tmp = valid_product() [L132] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L622] int splverifierCounter ; [L623] int tmp ; [L624] int tmp___0 ; [L625] int tmp___1 ; [L626] int tmp___2 ; [L629] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L631] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L633] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L639] tmp = __VERIFIER_nondet_int() [L641] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L544] COND TRUE waterLevel < 2 [L545] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L649] tmp___0 = __VERIFIER_nondet_int() [L651] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L556] COND FALSE !(\read(methaneLevelCritical)) [L559] methaneLevelCritical = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L659] tmp___2 = __VERIFIER_nondet_int() [L661] COND TRUE \read(tmp___2) [L847] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L699] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L706] COND TRUE \read(systemActive) [L728] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L731] COND TRUE ! pumpRunning [L825] int retValue_acc ; [L826] int tmp ; [L827] int tmp___0 ; [L606] int retValue_acc ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L609] COND FALSE !(waterLevel < 2) [L613] retValue_acc = 0 [L614] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L831] tmp = isHighWaterSensorDry() [L833] COND FALSE !(\read(tmp)) [L836] tmp___0 = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L838] retValue_acc = tmp___0 [L839] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L733] tmp = isHighWaterLevel() [L735] COND TRUE \read(tmp) [L756] pumpRunning = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L853] int tmp ; [L854] int tmp___0 ; [L565] int retValue_acc ; [L568] retValue_acc = methaneLevelCritical [L569] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L858] tmp = isMethaneLevelCritical() [L860] COND TRUE \read(tmp) [L780] int retValue_acc ; [L783] retValue_acc = pumpRunning [L784] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L862] tmp___0 = isPumpRunning() [L864] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L516] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 78 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 8.2s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 579 SDtfs, 662 SDslu, 752 SDs, 0 SdLazy, 98 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 233 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=152occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 378 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 257 NumberOfCodeBlocks, 257 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 217 ConstructedInterpolants, 0 QuantifiedInterpolants, 10401 SizeOfPredicates, 13 NumberOfNonLiveVariables, 1825 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...