./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product49.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_5436d23b-4fd1-42bb-8b84-58161e1e520a/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5436d23b-4fd1-42bb-8b84-58161e1e520a/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_5436d23b-4fd1-42bb-8b84-58161e1e520a/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5436d23b-4fd1-42bb-8b84-58161e1e520a/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product49.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5436d23b-4fd1-42bb-8b84-58161e1e520a/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_5436d23b-4fd1-42bb-8b84-58161e1e520a/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 51759f83c5c8a18147c4d3cfcc22a931ec36cde5 ............................................................................................................................................ 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_5436d23b-4fd1-42bb-8b84-58161e1e520a/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5436d23b-4fd1-42bb-8b84-58161e1e520a/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_5436d23b-4fd1-42bb-8b84-58161e1e520a/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5436d23b-4fd1-42bb-8b84-58161e1e520a/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product49.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5436d23b-4fd1-42bb-8b84-58161e1e520a/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_5436d23b-4fd1-42bb-8b84-58161e1e520a/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 51759f83c5c8a18147c4d3cfcc22a931ec36cde5 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 02:22:17,188 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:22:17,190 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:22:17,219 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:22:17,220 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:22:17,221 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:22:17,223 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:22:17,226 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:22:17,229 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:22:17,234 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:22:17,236 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:22:17,238 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:22:17,239 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:22:17,241 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:22:17,243 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:22:17,245 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:22:17,246 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:22:17,248 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:22:17,252 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:22:17,260 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:22:17,262 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:22:17,263 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:22:17,266 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:22:17,267 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:22:17,271 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:22:17,271 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:22:17,271 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:22:17,273 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:22:17,274 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:22:17,281 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:22:17,281 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:22:17,282 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:22:17,284 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:22:17,285 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:22:17,287 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:22:17,287 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:22:17,288 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:22:17,288 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:22:17,288 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:22:17,289 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:22:17,290 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:22:17,292 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5436d23b-4fd1-42bb-8b84-58161e1e520a/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:22:17,336 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:22:17,336 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:22:17,338 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:22:17,338 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:22:17,338 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:22:17,339 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:22:17,339 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:22:17,339 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:22:17,339 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:22:17,340 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:22:17,341 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:22:17,341 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:22:17,341 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:22:17,341 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:22:17,342 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:22:17,343 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:22:17,343 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:22:17,343 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:22:17,343 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:22:17,344 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:22:17,344 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:22:17,344 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:22:17,344 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:22:17,345 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:22:17,345 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:22:17,345 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:22:17,345 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:22:17,346 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:22:17,346 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:22:17,347 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:22:17,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:22:17,348 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:22:17,348 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:22:17,349 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:22:17,349 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:22:17,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:22:17,349 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:22:17,350 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:22:17,350 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:22:17,350 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_5436d23b-4fd1-42bb-8b84-58161e1e520a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5436d23b-4fd1-42bb-8b84-58161e1e520a/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 51759f83c5c8a18147c4d3cfcc22a931ec36cde5 [2021-10-11 02:22:17,637 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:22:17,680 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:22:17,682 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:22:17,684 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:22:17,685 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:22:17,686 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5436d23b-4fd1-42bb-8b84-58161e1e520a/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec1_product49.cil.c [2021-10-11 02:22:17,775 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5436d23b-4fd1-42bb-8b84-58161e1e520a/bin/utaipan-WLngWcDbfI/data/f56ea5fe2/34232b933a6b4388ab04bf084d61e3a0/FLAG6bc018dc7 [2021-10-11 02:22:18,327 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:22:18,338 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5436d23b-4fd1-42bb-8b84-58161e1e520a/sv-benchmarks/c/product-lines/minepump_spec1_product49.cil.c [2021-10-11 02:22:18,356 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5436d23b-4fd1-42bb-8b84-58161e1e520a/bin/utaipan-WLngWcDbfI/data/f56ea5fe2/34232b933a6b4388ab04bf084d61e3a0/FLAG6bc018dc7 [2021-10-11 02:22:18,622 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5436d23b-4fd1-42bb-8b84-58161e1e520a/bin/utaipan-WLngWcDbfI/data/f56ea5fe2/34232b933a6b4388ab04bf084d61e3a0 [2021-10-11 02:22:18,625 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:22:18,628 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:22:18,632 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:22:18,632 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:22:18,636 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:22:18,638 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:22:18" (1/1) ... [2021-10-11 02:22:18,640 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67ef82fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:18, skipping insertion in model container [2021-10-11 02:22:18,640 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:22:18" (1/1) ... [2021-10-11 02:22:18,647 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:22:18,713 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:22:19,069 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_5436d23b-4fd1-42bb-8b84-58161e1e520a/sv-benchmarks/c/product-lines/minepump_spec1_product49.cil.c[18106,18119] [2021-10-11 02:22:19,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:22:19,083 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 02:22:19,084 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@55681cec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:19, skipping insertion in model container [2021-10-11 02:22:19,084 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:22:19,088 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:22:19,091 INFO L168 Benchmark]: Toolchain (without parser) took 461.53 ms. Allocated memory is still 100.7 MB. Free memory was 65.7 MB in the beginning and 76.2 MB in the end (delta: -10.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:19,092 INFO L168 Benchmark]: CDTParser took 11.69 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 55.8 MB in the beginning and 84.1 MB in the end (delta: -28.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:19,094 INFO L168 Benchmark]: CACSL2BoogieTranslator took 456.26 ms. Allocated memory is still 100.7 MB. Free memory was 65.5 MB in the beginning and 76.4 MB in the end (delta: -10.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:19,097 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 11.69 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 55.8 MB in the beginning and 84.1 MB in the end (delta: -28.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 456.26 ms. Allocated memory is still 100.7 MB. Free memory was 65.5 MB in the beginning and 76.4 MB in the end (delta: -10.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 203]: 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 02:22:21,333 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:22:21,335 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:22:21,379 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:22:21,380 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:22:21,385 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:22:21,389 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:22:21,397 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:22:21,401 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:22:21,409 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:22:21,410 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:22:21,412 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:22:21,412 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:22:21,415 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:22:21,417 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:22:21,419 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:22:21,421 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:22:21,425 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:22:21,431 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:22:21,434 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:22:21,440 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:22:21,442 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:22:21,444 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:22:21,446 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:22:21,451 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:22:21,454 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:22:21,454 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:22:21,457 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:22:21,457 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:22:21,458 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:22:21,459 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:22:21,460 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:22:21,461 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:22:21,462 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:22:21,464 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:22:21,464 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:22:21,465 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:22:21,465 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:22:21,466 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:22:21,468 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:22:21,468 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:22:21,469 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5436d23b-4fd1-42bb-8b84-58161e1e520a/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:22:21,525 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:22:21,526 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:22:21,527 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:22:21,527 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:22:21,528 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:22:21,528 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:22:21,528 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:22:21,528 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:22:21,529 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:22:21,530 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:22:21,531 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:22:21,532 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:22:21,532 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:22:21,532 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:22:21,533 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:22:21,533 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:22:21,533 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:22:21,533 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:22:21,533 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:22:21,534 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:22:21,534 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:22:21,534 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:22:21,534 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:22:21,535 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:22:21,535 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:22:21,535 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:22:21,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:22:21,535 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:22:21,536 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:22:21,536 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:22:21,536 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:22:21,536 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:22:21,537 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:22:21,537 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:22:21,537 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:22:21,537 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_5436d23b-4fd1-42bb-8b84-58161e1e520a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5436d23b-4fd1-42bb-8b84-58161e1e520a/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 51759f83c5c8a18147c4d3cfcc22a931ec36cde5 [2021-10-11 02:22:21,903 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:22:21,930 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:22:21,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:22:21,936 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:22:21,936 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:22:21,938 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5436d23b-4fd1-42bb-8b84-58161e1e520a/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec1_product49.cil.c [2021-10-11 02:22:22,007 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5436d23b-4fd1-42bb-8b84-58161e1e520a/bin/utaipan-WLngWcDbfI/data/6817d08aa/e58989859da542418fd5eb01c167f7c1/FLAG0ebd713a4 [2021-10-11 02:22:22,675 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:22:22,675 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5436d23b-4fd1-42bb-8b84-58161e1e520a/sv-benchmarks/c/product-lines/minepump_spec1_product49.cil.c [2021-10-11 02:22:22,699 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5436d23b-4fd1-42bb-8b84-58161e1e520a/bin/utaipan-WLngWcDbfI/data/6817d08aa/e58989859da542418fd5eb01c167f7c1/FLAG0ebd713a4 [2021-10-11 02:22:22,970 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5436d23b-4fd1-42bb-8b84-58161e1e520a/bin/utaipan-WLngWcDbfI/data/6817d08aa/e58989859da542418fd5eb01c167f7c1 [2021-10-11 02:22:22,972 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:22:22,973 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:22:22,977 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:22:22,984 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:22:22,992 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:22:22,994 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:22:22" (1/1) ... [2021-10-11 02:22:22,997 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d15b83c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:22, skipping insertion in model container [2021-10-11 02:22:22,997 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:22:22" (1/1) ... [2021-10-11 02:22:23,005 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:22:23,070 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:22:23,438 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_5436d23b-4fd1-42bb-8b84-58161e1e520a/sv-benchmarks/c/product-lines/minepump_spec1_product49.cil.c[18106,18119] [2021-10-11 02:22:23,441 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:22:23,467 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:22:23,476 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:22:23,554 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_5436d23b-4fd1-42bb-8b84-58161e1e520a/sv-benchmarks/c/product-lines/minepump_spec1_product49.cil.c[18106,18119] [2021-10-11 02:22:23,554 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:22:23,564 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:22:23,653 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_5436d23b-4fd1-42bb-8b84-58161e1e520a/sv-benchmarks/c/product-lines/minepump_spec1_product49.cil.c[18106,18119] [2021-10-11 02:22:23,660 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:22:23,707 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:22:23,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:23 WrapperNode [2021-10-11 02:22:23,708 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:22:23,710 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:22:23,710 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:22:23,710 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:22:23,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:23" (1/1) ... [2021-10-11 02:22:23,738 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:23" (1/1) ... [2021-10-11 02:22:23,780 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:22:23,781 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:22:23,781 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:22:23,781 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:22:23,790 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:23" (1/1) ... [2021-10-11 02:22:23,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:23" (1/1) ... [2021-10-11 02:22:23,796 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:23" (1/1) ... [2021-10-11 02:22:23,797 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:23" (1/1) ... [2021-10-11 02:22:23,811 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:23" (1/1) ... [2021-10-11 02:22:23,826 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:23" (1/1) ... [2021-10-11 02:22:23,830 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:23" (1/1) ... [2021-10-11 02:22:23,836 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:22:23,837 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:22:23,837 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:22:23,837 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:22:23,838 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:23" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5436d23b-4fd1-42bb-8b84-58161e1e520a/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 02:22:23,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:22:23,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:22:23,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:22:23,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:22:26,411 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:22:26,411 INFO L299 CfgBuilder]: Removed 156 assume(true) statements. [2021-10-11 02:22:26,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:22:26 BoogieIcfgContainer [2021-10-11 02:22:26,416 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:22:26,417 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:22:26,418 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:22:26,420 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:22:26,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:22:22" (1/3) ... [2021-10-11 02:22:26,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51039759 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:22:26, skipping insertion in model container [2021-10-11 02:22:26,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:23" (2/3) ... [2021-10-11 02:22:26,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51039759 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:22:26, skipping insertion in model container [2021-10-11 02:22:26,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:22:26" (3/3) ... [2021-10-11 02:22:26,424 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product49.cil.c [2021-10-11 02:22:26,438 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:22:26,440 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:22:26,451 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:22:26,475 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:22:26,476 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:22:26,476 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:22:26,476 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:22:26,476 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:22:26,476 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:22:26,477 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:22:26,477 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:22:26,492 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2021-10-11 02:22:26,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 02:22:26,498 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:26,499 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:22:26,499 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:26,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:26,505 INFO L82 PathProgramCache]: Analyzing trace with hash 1641629540, now seen corresponding path program 1 times [2021-10-11 02:22:26,518 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:26,518 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1373972219] [2021-10-11 02:22:26,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5436d23b-4fd1-42bb-8b84-58161e1e520a/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 02:22:26,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:26,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:22:26,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:26,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:22:26,832 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:26,833 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1373972219] [2021-10-11 02:22:26,834 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:26,834 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:22:26,835 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949374794] [2021-10-11 02:22:26,839 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:22:26,839 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:26,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:22:26,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:22:26,855 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2021-10-11 02:22:26,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:26,886 INFO L93 Difference]: Finished difference Result 228 states and 347 transitions. [2021-10-11 02:22:26,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:22:26,887 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 02:22:26,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:26,897 INFO L225 Difference]: With dead ends: 228 [2021-10-11 02:22:26,898 INFO L226 Difference]: Without dead ends: 113 [2021-10-11 02:22:26,901 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 02:22:26,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-10-11 02:22:26,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2021-10-11 02:22:26,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2021-10-11 02:22:26,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 165 transitions. [2021-10-11 02:22:26,944 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 165 transitions. Word has length 16 [2021-10-11 02:22:26,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:26,945 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 165 transitions. [2021-10-11 02:22:26,945 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:22:26,945 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2021-10-11 02:22:26,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 02:22:26,947 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:26,947 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 02:22:27,167 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:22:27,167 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:27,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:27,168 INFO L82 PathProgramCache]: Analyzing trace with hash 594872643, now seen corresponding path program 1 times [2021-10-11 02:22:27,169 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:27,169 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1401447969] [2021-10-11 02:22:27,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5436d23b-4fd1-42bb-8b84-58161e1e520a/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 02:22:27,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:27,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:22:27,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:27,453 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 02:22:27,454 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:27,454 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1401447969] [2021-10-11 02:22:27,454 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:27,454 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:22:27,455 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165066648] [2021-10-11 02:22:27,456 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:22:27,456 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:27,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:22:27,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:22:27,458 INFO L87 Difference]: Start difference. First operand 113 states and 165 transitions. Second operand 3 states. [2021-10-11 02:22:27,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:27,491 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2021-10-11 02:22:27,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:22:27,493 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 02:22:27,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:27,495 INFO L225 Difference]: With dead ends: 113 [2021-10-11 02:22:27,496 INFO L226 Difference]: Without dead ends: 47 [2021-10-11 02:22:27,498 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 02:22:27,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-10-11 02:22:27,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-10-11 02:22:27,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2021-10-11 02:22:27,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2021-10-11 02:22:27,511 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 17 [2021-10-11 02:22:27,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:27,513 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2021-10-11 02:22:27,514 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:22:27,514 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2021-10-11 02:22:27,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 02:22:27,517 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:27,517 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 02:22:27,729 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:22:27,730 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:27,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:27,730 INFO L82 PathProgramCache]: Analyzing trace with hash 1404483435, now seen corresponding path program 1 times [2021-10-11 02:22:27,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:27,731 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1286418259] [2021-10-11 02:22:27,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5436d23b-4fd1-42bb-8b84-58161e1e520a/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 02:22:27,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:27,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:22:27,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:28,025 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 02:22:28,026 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:28,033 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1286418259] [2021-10-11 02:22:28,033 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:28,034 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:22:28,034 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415029199] [2021-10-11 02:22:28,034 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:22:28,035 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:28,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:22:28,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:22:28,037 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand 3 states. [2021-10-11 02:22:28,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:28,063 INFO L93 Difference]: Finished difference Result 88 states and 130 transitions. [2021-10-11 02:22:28,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:22:28,064 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2021-10-11 02:22:28,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:28,065 INFO L225 Difference]: With dead ends: 88 [2021-10-11 02:22:28,068 INFO L226 Difference]: Without dead ends: 47 [2021-10-11 02:22:28,069 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 02:22:28,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-10-11 02:22:28,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-10-11 02:22:28,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2021-10-11 02:22:28,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2021-10-11 02:22:28,080 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 22 [2021-10-11 02:22:28,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:28,080 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2021-10-11 02:22:28,080 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:22:28,080 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2021-10-11 02:22:28,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:22:28,082 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:28,082 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:22:28,298 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:22:28,301 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:28,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:28,302 INFO L82 PathProgramCache]: Analyzing trace with hash -764351347, now seen corresponding path program 1 times [2021-10-11 02:22:28,302 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:28,302 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [402163765] [2021-10-11 02:22:28,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5436d23b-4fd1-42bb-8b84-58161e1e520a/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 02:22:28,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:28,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:22:28,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:28,562 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 02:22:28,563 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:28,563 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [402163765] [2021-10-11 02:22:28,563 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:28,563 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:22:28,564 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322060385] [2021-10-11 02:22:28,564 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:22:28,564 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:28,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:22:28,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:22:28,565 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 3 states. [2021-10-11 02:22:28,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:28,628 INFO L93 Difference]: Finished difference Result 109 states and 158 transitions. [2021-10-11 02:22:28,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:22:28,629 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:22:28,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:28,630 INFO L225 Difference]: With dead ends: 109 [2021-10-11 02:22:28,630 INFO L226 Difference]: Without dead ends: 68 [2021-10-11 02:22:28,631 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:22:28,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2021-10-11 02:22:28,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 66. [2021-10-11 02:22:28,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2021-10-11 02:22:28,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 93 transitions. [2021-10-11 02:22:28,641 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 93 transitions. Word has length 24 [2021-10-11 02:22:28,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:28,641 INFO L481 AbstractCegarLoop]: Abstraction has 66 states and 93 transitions. [2021-10-11 02:22:28,642 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:22:28,642 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2021-10-11 02:22:28,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-11 02:22:28,643 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:28,643 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 02:22:28,862 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:22:28,863 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:28,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:28,863 INFO L82 PathProgramCache]: Analyzing trace with hash -805303330, now seen corresponding path program 1 times [2021-10-11 02:22:28,864 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:28,864 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [729967714] [2021-10-11 02:22:28,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5436d23b-4fd1-42bb-8b84-58161e1e520a/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 02:22:29,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:29,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:22:29,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:29,103 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 02:22:29,104 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:29,104 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [729967714] [2021-10-11 02:22:29,104 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:29,104 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:22:29,104 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840996268] [2021-10-11 02:22:29,105 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:22:29,105 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:29,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:22:29,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:22:29,106 INFO L87 Difference]: Start difference. First operand 66 states and 93 transitions. Second operand 5 states. [2021-10-11 02:22:29,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:29,187 INFO L93 Difference]: Finished difference Result 175 states and 245 transitions. [2021-10-11 02:22:29,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:22:29,187 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2021-10-11 02:22:29,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:29,189 INFO L225 Difference]: With dead ends: 175 [2021-10-11 02:22:29,189 INFO L226 Difference]: Without dead ends: 115 [2021-10-11 02:22:29,190 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:22:29,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-10-11 02:22:29,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 72. [2021-10-11 02:22:29,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2021-10-11 02:22:29,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 99 transitions. [2021-10-11 02:22:29,200 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 99 transitions. Word has length 30 [2021-10-11 02:22:29,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:29,201 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 99 transitions. [2021-10-11 02:22:29,201 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:22:29,201 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2021-10-11 02:22:29,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-11 02:22:29,202 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:29,202 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 02:22:29,417 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:22:29,417 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:29,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:29,417 INFO L82 PathProgramCache]: Analyzing trace with hash 1857207713, now seen corresponding path program 1 times [2021-10-11 02:22:29,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:29,418 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [357641536] [2021-10-11 02:22:29,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5436d23b-4fd1-42bb-8b84-58161e1e520a/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 02:22:29,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:29,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:22:29,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:29,673 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 02:22:29,673 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:29,673 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [357641536] [2021-10-11 02:22:29,673 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:29,673 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:22:29,674 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622747389] [2021-10-11 02:22:29,674 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:22:29,674 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:29,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:22:29,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:22:29,675 INFO L87 Difference]: Start difference. First operand 72 states and 99 transitions. Second operand 5 states. [2021-10-11 02:22:29,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:29,772 INFO L93 Difference]: Finished difference Result 382 states and 538 transitions. [2021-10-11 02:22:29,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 02:22:29,773 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2021-10-11 02:22:29,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:29,775 INFO L225 Difference]: With dead ends: 382 [2021-10-11 02:22:29,775 INFO L226 Difference]: Without dead ends: 316 [2021-10-11 02:22:29,776 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 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 02:22:29,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2021-10-11 02:22:29,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 132. [2021-10-11 02:22:29,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2021-10-11 02:22:29,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 181 transitions. [2021-10-11 02:22:29,794 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 181 transitions. Word has length 30 [2021-10-11 02:22:29,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:29,795 INFO L481 AbstractCegarLoop]: Abstraction has 132 states and 181 transitions. [2021-10-11 02:22:29,795 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:22:29,795 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 181 transitions. [2021-10-11 02:22:29,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-11 02:22:29,796 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:29,796 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 02:22:30,011 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2021-10-11 02:22:30,012 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:30,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:30,012 INFO L82 PathProgramCache]: Analyzing trace with hash -1765991081, now seen corresponding path program 1 times [2021-10-11 02:22:30,012 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:30,013 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1957632074] [2021-10-11 02:22:30,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5436d23b-4fd1-42bb-8b84-58161e1e520a/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 02:22:30,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:30,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:22:30,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:30,259 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 02:22:30,259 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:30,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1957632074] [2021-10-11 02:22:30,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:30,260 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:22:30,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098843300] [2021-10-11 02:22:30,260 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:22:30,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:30,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:22:30,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:22:30,262 INFO L87 Difference]: Start difference. First operand 132 states and 181 transitions. Second operand 5 states. [2021-10-11 02:22:30,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:30,451 INFO L93 Difference]: Finished difference Result 378 states and 520 transitions. [2021-10-11 02:22:30,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 02:22:30,452 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2021-10-11 02:22:30,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:30,456 INFO L225 Difference]: With dead ends: 378 [2021-10-11 02:22:30,457 INFO L226 Difference]: Without dead ends: 376 [2021-10-11 02:22:30,462 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 29 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 02:22:30,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2021-10-11 02:22:30,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 132. [2021-10-11 02:22:30,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2021-10-11 02:22:30,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 180 transitions. [2021-10-11 02:22:30,487 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 180 transitions. Word has length 31 [2021-10-11 02:22:30,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:30,487 INFO L481 AbstractCegarLoop]: Abstraction has 132 states and 180 transitions. [2021-10-11 02:22:30,487 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:22:30,488 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 180 transitions. [2021-10-11 02:22:30,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-11 02:22:30,493 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:30,495 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 02:22:30,711 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2021-10-11 02:22:30,711 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:30,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:30,712 INFO L82 PathProgramCache]: Analyzing trace with hash -526561838, now seen corresponding path program 1 times [2021-10-11 02:22:30,712 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:30,712 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1974730422] [2021-10-11 02:22:30,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5436d23b-4fd1-42bb-8b84-58161e1e520a/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 02:22:30,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:30,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 02:22:30,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:30,943 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 02:22:30,943 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:30,944 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1974730422] [2021-10-11 02:22:30,944 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:30,944 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:22:30,944 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225838368] [2021-10-11 02:22:30,945 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:22:30,945 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:30,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:22:30,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:22:30,946 INFO L87 Difference]: Start difference. First operand 132 states and 180 transitions. Second operand 4 states. [2021-10-11 02:22:31,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:31,018 INFO L93 Difference]: Finished difference Result 316 states and 428 transitions. [2021-10-11 02:22:31,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:22:31,018 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2021-10-11 02:22:31,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:31,020 INFO L225 Difference]: With dead ends: 316 [2021-10-11 02:22:31,020 INFO L226 Difference]: Without dead ends: 190 [2021-10-11 02:22:31,020 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 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 02:22:31,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2021-10-11 02:22:31,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 140. [2021-10-11 02:22:31,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2021-10-11 02:22:31,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 188 transitions. [2021-10-11 02:22:31,037 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 188 transitions. Word has length 31 [2021-10-11 02:22:31,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:31,037 INFO L481 AbstractCegarLoop]: Abstraction has 140 states and 188 transitions. [2021-10-11 02:22:31,037 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:22:31,037 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 188 transitions. [2021-10-11 02:22:31,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-11 02:22:31,038 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:31,039 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 02:22:31,251 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2021-10-11 02:22:31,252 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:31,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:31,254 INFO L82 PathProgramCache]: Analyzing trace with hash -268396400, now seen corresponding path program 1 times [2021-10-11 02:22:31,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:31,255 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [192790091] [2021-10-11 02:22:31,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5436d23b-4fd1-42bb-8b84-58161e1e520a/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 02:22:31,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:31,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:22:31,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:31,528 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 02:22:31,528 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:31,529 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [192790091] [2021-10-11 02:22:31,529 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:31,529 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:22:31,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601109069] [2021-10-11 02:22:31,530 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:22:31,530 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:31,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:22:31,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:22:31,531 INFO L87 Difference]: Start difference. First operand 140 states and 188 transitions. Second operand 3 states. [2021-10-11 02:22:31,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:31,589 INFO L93 Difference]: Finished difference Result 324 states and 434 transitions. [2021-10-11 02:22:31,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:22:31,590 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2021-10-11 02:22:31,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:31,591 INFO L225 Difference]: With dead ends: 324 [2021-10-11 02:22:31,592 INFO L226 Difference]: Without dead ends: 190 [2021-10-11 02:22:31,592 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 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 02:22:31,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2021-10-11 02:22:31,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 190. [2021-10-11 02:22:31,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2021-10-11 02:22:31,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 248 transitions. [2021-10-11 02:22:31,618 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 248 transitions. Word has length 31 [2021-10-11 02:22:31,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:31,618 INFO L481 AbstractCegarLoop]: Abstraction has 190 states and 248 transitions. [2021-10-11 02:22:31,619 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:22:31,619 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 248 transitions. [2021-10-11 02:22:31,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-11 02:22:31,620 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:31,620 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, 1] [2021-10-11 02:22:31,836 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2021-10-11 02:22:31,839 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:31,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:31,839 INFO L82 PathProgramCache]: Analyzing trace with hash 1913811026, now seen corresponding path program 1 times [2021-10-11 02:22:31,840 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:31,840 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [238565165] [2021-10-11 02:22:31,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5436d23b-4fd1-42bb-8b84-58161e1e520a/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 02:22:33,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:22:33,350 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:22:34,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:22:34,980 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:22:35,136 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-11 02:22:35,137 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:22:35,356 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2021-10-11 02:22:35,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:22:35 BoogieIcfgContainer [2021-10-11 02:22:35,462 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:22:35,462 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:22:35,463 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:22:35,463 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:22:35,463 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:22:26" (3/4) ... [2021-10-11 02:22:35,465 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-11 02:22:35,596 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5436d23b-4fd1-42bb-8b84-58161e1e520a/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:22:35,596 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:22:35,598 INFO L168 Benchmark]: Toolchain (without parser) took 12623.77 ms. Allocated memory was 71.3 MB in the beginning and 104.9 MB in the end (delta: 33.6 MB). Free memory was 35.4 MB in the beginning and 75.4 MB in the end (delta: -40.0 MB). Peak memory consumption was 50.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:35,599 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 71.3 MB. Free memory was 52.8 MB in the beginning and 52.7 MB in the end (delta: 66.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:22:35,599 INFO L168 Benchmark]: CACSL2BoogieTranslator took 731.68 ms. Allocated memory is still 71.3 MB. Free memory was 35.3 MB in the beginning and 37.1 MB in the end (delta: -1.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:35,600 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.32 ms. Allocated memory is still 71.3 MB. Free memory was 37.1 MB in the beginning and 33.5 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:35,600 INFO L168 Benchmark]: Boogie Preprocessor took 55.19 ms. Allocated memory is still 71.3 MB. Free memory was 33.5 MB in the beginning and 54.1 MB in the end (delta: -20.5 MB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:35,601 INFO L168 Benchmark]: RCFGBuilder took 2579.37 ms. Allocated memory was 71.3 MB in the beginning and 86.0 MB in the end (delta: 14.7 MB). Free memory was 54.1 MB in the beginning and 57.8 MB in the end (delta: -3.7 MB). Peak memory consumption was 37.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:35,601 INFO L168 Benchmark]: TraceAbstraction took 9044.56 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 57.2 MB in the beginning and 29.5 MB in the end (delta: 27.8 MB). Peak memory consumption was 47.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:35,601 INFO L168 Benchmark]: Witness Printer took 134.06 ms. Allocated memory is still 104.9 MB. Free memory was 29.5 MB in the beginning and 75.4 MB in the end (delta: -45.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:35,604 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 71.3 MB. Free memory was 52.8 MB in the beginning and 52.7 MB in the end (delta: 66.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 731.68 ms. Allocated memory is still 71.3 MB. Free memory was 35.3 MB in the beginning and 37.1 MB in the end (delta: -1.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 70.32 ms. Allocated memory is still 71.3 MB. Free memory was 37.1 MB in the beginning and 33.5 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 55.19 ms. Allocated memory is still 71.3 MB. Free memory was 33.5 MB in the beginning and 54.1 MB in the end (delta: -20.5 MB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2579.37 ms. Allocated memory was 71.3 MB in the beginning and 86.0 MB in the end (delta: 14.7 MB). Free memory was 54.1 MB in the beginning and 57.8 MB in the end (delta: -3.7 MB). Peak memory consumption was 37.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 9044.56 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 57.2 MB in the beginning and 29.5 MB in the end (delta: 27.8 MB). Peak memory consumption was 47.3 MB. Max. memory is 16.1 GB. * Witness Printer took 134.06 ms. Allocated memory is still 104.9 MB. Free memory was 29.5 MB in the beginning and 75.4 MB in the end (delta: -45.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 952]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L71] int cleanupTimeShifts = 4; [L344] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L547] int pumpRunning = 0; [L548] int systemActive = 1; [L845] int waterLevel = 1; [L846] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L152] int retValue_acc ; [L153] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L835] int retValue_acc ; [L838] retValue_acc = 1 [L839] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L159] tmp = valid_product() [L161] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L745] int splverifierCounter ; [L746] int tmp ; [L747] int tmp___0 ; [L748] int tmp___1 ; [L749] int tmp___2 ; [L752] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L754] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L756] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L762] tmp = __VERIFIER_nondet_int() [L764] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L863] COND TRUE waterLevel < 2 [L864] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L772] tmp___0 = __VERIFIER_nondet_int() [L774] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L875] COND FALSE !(\read(methaneLevelCritical)) [L878] methaneLevelCritical = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L782] tmp___2 = __VERIFIER_nondet_int() [L784] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L554] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L561] COND TRUE \read(systemActive) [L609] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L612] COND FALSE !(\read(pumpRunning)) [L583] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L586] COND TRUE ! pumpRunning [L706] int retValue_acc ; [L707] int tmp ; [L708] int tmp___0 ; [L925] int retValue_acc ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L928] COND FALSE !(waterLevel < 2) [L932] retValue_acc = 0 [L933] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L712] tmp = isHighWaterSensorDry() [L714] COND FALSE !(\read(tmp)) [L717] tmp___0 = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L719] retValue_acc = tmp___0 [L720] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L588] tmp = isHighWaterLevel() [L590] COND TRUE \read(tmp) [L637] pumpRunning = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L46] int tmp ; [L47] int tmp___0 ; [L884] int retValue_acc ; [L887] retValue_acc = methaneLevelCritical [L888] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L51] tmp = isMethaneLevelCritical() [L53] COND TRUE \read(tmp) [L661] int retValue_acc ; [L664] retValue_acc = pumpRunning [L665] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L55] tmp___0 = isPumpRunning() [L57] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L952] 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, 117 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 8.8s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 830 SDtfs, 917 SDslu, 1035 SDs, 0 SdLazy, 138 SolverSat, 27 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 239 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=190occurred 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, 523 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 264 NumberOfCodeBlocks, 264 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 223 ConstructedInterpolants, 0 QuantifiedInterpolants, 12277 SizeOfPredicates, 13 NumberOfNonLiveVariables, 1824 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...