./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product54.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_4a5de50a-e196-4eb5-a6e3-b256e0b08ce8/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5de50a-e196-4eb5-a6e3-b256e0b08ce8/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_4a5de50a-e196-4eb5-a6e3-b256e0b08ce8/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5de50a-e196-4eb5-a6e3-b256e0b08ce8/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product54.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5de50a-e196-4eb5-a6e3-b256e0b08ce8/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_4a5de50a-e196-4eb5-a6e3-b256e0b08ce8/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 9c69bef4f4f2450c32edaec1a26ef48007ef0e6d ............................................................................................................................................ 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_4a5de50a-e196-4eb5-a6e3-b256e0b08ce8/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5de50a-e196-4eb5-a6e3-b256e0b08ce8/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_4a5de50a-e196-4eb5-a6e3-b256e0b08ce8/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5de50a-e196-4eb5-a6e3-b256e0b08ce8/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product54.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5de50a-e196-4eb5-a6e3-b256e0b08ce8/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_4a5de50a-e196-4eb5-a6e3-b256e0b08ce8/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 9c69bef4f4f2450c32edaec1a26ef48007ef0e6d ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:30:12,220 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:30:12,223 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:30:12,271 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:30:12,272 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:30:12,278 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:30:12,280 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:30:12,284 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:30:12,287 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:30:12,293 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:30:12,294 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:30:12,296 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:30:12,296 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:30:12,300 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:30:12,301 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:30:12,303 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:30:12,305 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:30:12,309 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:30:12,312 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:30:12,320 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:30:12,322 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:30:12,323 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:30:12,327 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:30:12,328 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:30:12,333 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:30:12,334 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:30:12,334 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:30:12,335 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:30:12,336 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:30:12,337 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:30:12,337 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:30:12,338 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:30:12,338 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:30:12,339 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:30:12,340 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:30:12,340 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:30:12,341 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:30:12,341 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:30:12,341 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:30:12,342 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:30:12,342 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:30:12,347 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5de50a-e196-4eb5-a6e3-b256e0b08ce8/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:30:12,386 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:30:12,387 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:30:12,388 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:30:12,388 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:30:12,389 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:30:12,389 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:30:12,389 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:30:12,389 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:30:12,390 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:30:12,390 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:30:12,397 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:30:12,397 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:30:12,397 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:30:12,398 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:30:12,398 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:30:12,399 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:30:12,399 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:30:12,399 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:30:12,400 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:30:12,400 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:30:12,400 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:30:12,400 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:30:12,400 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:30:12,401 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:30:12,401 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:30:12,401 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:30:12,401 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:30:12,402 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:30:12,402 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:30:12,403 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:30:12,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:30:12,403 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:30:12,403 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:30:12,405 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:30:12,405 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:30:12,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:30:12,405 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:30:12,405 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:30:12,406 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:30:12,406 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_4a5de50a-e196-4eb5-a6e3-b256e0b08ce8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5de50a-e196-4eb5-a6e3-b256e0b08ce8/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c69bef4f4f2450c32edaec1a26ef48007ef0e6d [2021-10-11 02:30:12,707 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:30:12,730 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:30:12,732 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:30:12,733 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:30:12,734 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:30:12,735 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5de50a-e196-4eb5-a6e3-b256e0b08ce8/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec1_product54.cil.c [2021-10-11 02:30:12,809 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5de50a-e196-4eb5-a6e3-b256e0b08ce8/bin/utaipan-WLngWcDbfI/data/3b8cc2872/7025469c71794d20bdc8a2fe34ecbb96/FLAG221265a16 [2021-10-11 02:30:13,321 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:30:13,322 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5de50a-e196-4eb5-a6e3-b256e0b08ce8/sv-benchmarks/c/product-lines/minepump_spec1_product54.cil.c [2021-10-11 02:30:13,336 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5de50a-e196-4eb5-a6e3-b256e0b08ce8/bin/utaipan-WLngWcDbfI/data/3b8cc2872/7025469c71794d20bdc8a2fe34ecbb96/FLAG221265a16 [2021-10-11 02:30:13,649 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5de50a-e196-4eb5-a6e3-b256e0b08ce8/bin/utaipan-WLngWcDbfI/data/3b8cc2872/7025469c71794d20bdc8a2fe34ecbb96 [2021-10-11 02:30:13,651 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:30:13,653 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:30:13,660 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:13,661 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:30:13,665 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:30:13,665 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:13" (1/1) ... [2021-10-11 02:30:13,667 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4da6bab2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:13, skipping insertion in model container [2021-10-11 02:30:13,667 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:13" (1/1) ... [2021-10-11 02:30:13,683 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:30:13,751 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:30:13,973 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_4a5de50a-e196-4eb5-a6e3-b256e0b08ce8/sv-benchmarks/c/product-lines/minepump_spec1_product54.cil.c[3492,3505] [2021-10-11 02:30:14,073 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:14,100 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 02:30:14,101 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@535478fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:14, skipping insertion in model container [2021-10-11 02:30:14,102 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:14,102 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:30:14,105 INFO L168 Benchmark]: Toolchain (without parser) took 450.56 ms. Allocated memory is still 144.7 MB. Free memory was 109.7 MB in the beginning and 115.7 MB in the end (delta: -6.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:14,106 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 83.9 MB. Free memory was 41.8 MB in the beginning and 41.7 MB in the end (delta: 76.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:30:14,108 INFO L168 Benchmark]: CACSL2BoogieTranslator took 441.88 ms. Allocated memory is still 144.7 MB. Free memory was 109.7 MB in the beginning and 115.7 MB in the end (delta: -6.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:14,110 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 83.9 MB. Free memory was 41.8 MB in the beginning and 41.7 MB in the end (delta: 76.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 441.88 ms. Allocated memory is still 144.7 MB. Free memory was 109.7 MB in the beginning and 115.7 MB in the end (delta: -6.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 552]: 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 02:30:16,452 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:30:16,455 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:30:16,515 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:30:16,516 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:30:16,521 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:30:16,524 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:30:16,531 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:30:16,534 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:30:16,542 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:30:16,547 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:30:16,549 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:30:16,549 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:30:16,552 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:30:16,554 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:30:16,556 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:30:16,558 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:30:16,560 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:30:16,566 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:30:16,573 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:30:16,575 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:30:16,577 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:30:16,579 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:30:16,582 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:30:16,587 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:30:16,588 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:30:16,588 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:30:16,590 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:30:16,591 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:30:16,592 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:30:16,592 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:30:16,593 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:30:16,595 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:30:16,596 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:30:16,597 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:30:16,598 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:30:16,599 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:30:16,599 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:30:16,599 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:30:16,601 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:30:16,602 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:30:16,603 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5de50a-e196-4eb5-a6e3-b256e0b08ce8/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:30:16,648 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:30:16,649 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:30:16,650 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:30:16,651 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:30:16,651 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:30:16,651 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:30:16,651 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:30:16,652 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:30:16,652 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:30:16,653 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:30:16,654 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:30:16,655 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:30:16,655 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:30:16,655 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:30:16,655 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:30:16,656 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:30:16,656 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:30:16,656 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:30:16,656 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:30:16,657 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:30:16,657 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:30:16,657 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:30:16,657 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:30:16,658 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:30:16,658 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:30:16,658 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:30:16,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:30:16,659 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:30:16,659 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:30:16,659 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:30:16,659 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:30:16,659 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:30:16,660 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:30:16,660 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:30:16,660 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:30:16,661 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_4a5de50a-e196-4eb5-a6e3-b256e0b08ce8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5de50a-e196-4eb5-a6e3-b256e0b08ce8/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c69bef4f4f2450c32edaec1a26ef48007ef0e6d [2021-10-11 02:30:17,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:30:17,083 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:30:17,085 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:30:17,087 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:30:17,088 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:30:17,089 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5de50a-e196-4eb5-a6e3-b256e0b08ce8/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec1_product54.cil.c [2021-10-11 02:30:17,161 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5de50a-e196-4eb5-a6e3-b256e0b08ce8/bin/utaipan-WLngWcDbfI/data/42a08d972/b6d9dbfe9c5f4c1d84b9d578b4948d8b/FLAGcaf46110b [2021-10-11 02:30:17,838 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:30:17,840 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5de50a-e196-4eb5-a6e3-b256e0b08ce8/sv-benchmarks/c/product-lines/minepump_spec1_product54.cil.c [2021-10-11 02:30:17,863 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5de50a-e196-4eb5-a6e3-b256e0b08ce8/bin/utaipan-WLngWcDbfI/data/42a08d972/b6d9dbfe9c5f4c1d84b9d578b4948d8b/FLAGcaf46110b [2021-10-11 02:30:18,120 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5de50a-e196-4eb5-a6e3-b256e0b08ce8/bin/utaipan-WLngWcDbfI/data/42a08d972/b6d9dbfe9c5f4c1d84b9d578b4948d8b [2021-10-11 02:30:18,122 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:30:18,124 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:30:18,125 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:18,126 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:30:18,129 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:30:18,130 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:18" (1/1) ... [2021-10-11 02:30:18,132 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41a4f380 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:18, skipping insertion in model container [2021-10-11 02:30:18,133 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:18" (1/1) ... [2021-10-11 02:30:18,141 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:30:18,212 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:30:18,391 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_4a5de50a-e196-4eb5-a6e3-b256e0b08ce8/sv-benchmarks/c/product-lines/minepump_spec1_product54.cil.c[3492,3505] [2021-10-11 02:30:18,555 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:18,575 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:30:18,589 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:30:18,616 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_4a5de50a-e196-4eb5-a6e3-b256e0b08ce8/sv-benchmarks/c/product-lines/minepump_spec1_product54.cil.c[3492,3505] [2021-10-11 02:30:18,719 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:18,724 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:30:18,742 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_4a5de50a-e196-4eb5-a6e3-b256e0b08ce8/sv-benchmarks/c/product-lines/minepump_spec1_product54.cil.c[3492,3505] [2021-10-11 02:30:18,779 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:18,851 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:30:18,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:18 WrapperNode [2021-10-11 02:30:18,852 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:18,854 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:30:18,854 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:30:18,854 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:30:18,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:18" (1/1) ... [2021-10-11 02:30:18,899 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:18" (1/1) ... [2021-10-11 02:30:18,985 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:30:18,986 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:30:18,986 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:30:18,986 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:30:18,998 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:18" (1/1) ... [2021-10-11 02:30:18,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:18" (1/1) ... [2021-10-11 02:30:19,022 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:18" (1/1) ... [2021-10-11 02:30:19,023 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:18" (1/1) ... [2021-10-11 02:30:19,056 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:18" (1/1) ... [2021-10-11 02:30:19,086 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:18" (1/1) ... [2021-10-11 02:30:19,090 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:18" (1/1) ... [2021-10-11 02:30:19,096 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:30:19,097 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:30:19,097 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:30:19,097 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:30:19,098 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:18" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5de50a-e196-4eb5-a6e3-b256e0b08ce8/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 02:30:19,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:30:19,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:30:19,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:30:19,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:30:21,893 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:30:21,894 INFO L299 CfgBuilder]: Removed 278 assume(true) statements. [2021-10-11 02:30:21,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:30:21 BoogieIcfgContainer [2021-10-11 02:30:21,899 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:30:21,901 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:30:21,901 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:30:21,904 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:30:21,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:30:18" (1/3) ... [2021-10-11 02:30:21,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9f0a17c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:30:21, skipping insertion in model container [2021-10-11 02:30:21,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:18" (2/3) ... [2021-10-11 02:30:21,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9f0a17c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:30:21, skipping insertion in model container [2021-10-11 02:30:21,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:30:21" (3/3) ... [2021-10-11 02:30:21,908 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product54.cil.c [2021-10-11 02:30:21,922 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:30:21,924 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:30:21,935 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:30:21,959 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:30:21,959 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:30:21,959 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:30:21,960 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:30:21,960 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:30:21,960 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:30:21,960 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:30:21,960 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:30:21,978 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states. [2021-10-11 02:30:21,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 02:30:21,991 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:21,991 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:21,992 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:21,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:21,998 INFO L82 PathProgramCache]: Analyzing trace with hash -1439730149, now seen corresponding path program 1 times [2021-10-11 02:30:22,010 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:22,010 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1515255603] [2021-10-11 02:30:22,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5de50a-e196-4eb5-a6e3-b256e0b08ce8/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 02:30:22,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:22,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:30:22,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:22,302 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 02:30:22,302 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:22,303 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1515255603] [2021-10-11 02:30:22,304 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:22,304 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:30:22,305 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523509261] [2021-10-11 02:30:22,317 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:30:22,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:22,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:30:22,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:30:22,338 INFO L87 Difference]: Start difference. First operand 189 states. Second operand 2 states. [2021-10-11 02:30:22,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:22,413 INFO L93 Difference]: Finished difference Result 372 states and 569 transitions. [2021-10-11 02:30:22,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:30:22,414 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 02:30:22,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:22,426 INFO L225 Difference]: With dead ends: 372 [2021-10-11 02:30:22,427 INFO L226 Difference]: Without dead ends: 185 [2021-10-11 02:30:22,430 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 02:30:22,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2021-10-11 02:30:22,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2021-10-11 02:30:22,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2021-10-11 02:30:22,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 276 transitions. [2021-10-11 02:30:22,476 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 276 transitions. Word has length 16 [2021-10-11 02:30:22,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:22,477 INFO L481 AbstractCegarLoop]: Abstraction has 185 states and 276 transitions. [2021-10-11 02:30:22,477 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:30:22,477 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 276 transitions. [2021-10-11 02:30:22,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 02:30:22,478 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:22,478 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 02:30:22,690 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:30:22,693 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:22,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:22,694 INFO L82 PathProgramCache]: Analyzing trace with hash 1808480250, now seen corresponding path program 1 times [2021-10-11 02:30:22,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:22,694 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1003860939] [2021-10-11 02:30:22,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5de50a-e196-4eb5-a6e3-b256e0b08ce8/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 02:30:22,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:22,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:30:22,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:22,953 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 02:30:22,953 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:22,954 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1003860939] [2021-10-11 02:30:22,954 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:22,954 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:30:22,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093855992] [2021-10-11 02:30:22,956 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:22,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:22,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:22,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:22,958 INFO L87 Difference]: Start difference. First operand 185 states and 276 transitions. Second operand 3 states. [2021-10-11 02:30:22,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:22,989 INFO L93 Difference]: Finished difference Result 185 states and 276 transitions. [2021-10-11 02:30:22,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:22,991 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 02:30:22,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:22,995 INFO L225 Difference]: With dead ends: 185 [2021-10-11 02:30:22,995 INFO L226 Difference]: Without dead ends: 71 [2021-10-11 02:30:22,999 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 02:30:23,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-10-11 02:30:23,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-10-11 02:30:23,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2021-10-11 02:30:23,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 105 transitions. [2021-10-11 02:30:23,018 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 105 transitions. Word has length 17 [2021-10-11 02:30:23,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:23,020 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 105 transitions. [2021-10-11 02:30:23,021 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:23,021 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 105 transitions. [2021-10-11 02:30:23,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 02:30:23,022 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:23,022 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 02:30:23,223 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:30:23,223 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:23,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:23,224 INFO L82 PathProgramCache]: Analyzing trace with hash -886510538, now seen corresponding path program 1 times [2021-10-11 02:30:23,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:23,225 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [391057460] [2021-10-11 02:30:23,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5de50a-e196-4eb5-a6e3-b256e0b08ce8/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 02:30:23,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:23,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:30:23,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:23,454 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 02:30:23,454 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:23,461 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [391057460] [2021-10-11 02:30:23,462 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:23,462 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:30:23,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289110077] [2021-10-11 02:30:23,462 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:23,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:23,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:23,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:23,465 INFO L87 Difference]: Start difference. First operand 71 states and 105 transitions. Second operand 3 states. [2021-10-11 02:30:23,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:23,519 INFO L93 Difference]: Finished difference Result 136 states and 204 transitions. [2021-10-11 02:30:23,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:23,520 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2021-10-11 02:30:23,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:23,523 INFO L225 Difference]: With dead ends: 136 [2021-10-11 02:30:23,523 INFO L226 Difference]: Without dead ends: 71 [2021-10-11 02:30:23,524 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 02:30:23,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-10-11 02:30:23,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-10-11 02:30:23,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2021-10-11 02:30:23,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 104 transitions. [2021-10-11 02:30:23,543 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 104 transitions. Word has length 22 [2021-10-11 02:30:23,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:23,543 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 104 transitions. [2021-10-11 02:30:23,544 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:23,544 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 104 transitions. [2021-10-11 02:30:23,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 02:30:23,545 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:23,546 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:23,764 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:30:23,764 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:23,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:23,764 INFO L82 PathProgramCache]: Analyzing trace with hash -1823541737, now seen corresponding path program 1 times [2021-10-11 02:30:23,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:23,765 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1181744427] [2021-10-11 02:30:23,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5de50a-e196-4eb5-a6e3-b256e0b08ce8/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 02:30:23,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:23,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:30:23,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:23,998 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 02:30:23,998 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:23,998 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1181744427] [2021-10-11 02:30:23,999 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:23,999 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:30:23,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448314549] [2021-10-11 02:30:23,999 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:24,000 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:24,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:24,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:24,001 INFO L87 Difference]: Start difference. First operand 71 states and 104 transitions. Second operand 3 states. [2021-10-11 02:30:24,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:24,072 INFO L93 Difference]: Finished difference Result 145 states and 214 transitions. [2021-10-11 02:30:24,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:24,073 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2021-10-11 02:30:24,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:24,074 INFO L225 Difference]: With dead ends: 145 [2021-10-11 02:30:24,074 INFO L226 Difference]: Without dead ends: 80 [2021-10-11 02:30:24,074 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 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 02:30:24,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-10-11 02:30:24,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 78. [2021-10-11 02:30:24,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2021-10-11 02:30:24,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 110 transitions. [2021-10-11 02:30:24,084 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 110 transitions. Word has length 25 [2021-10-11 02:30:24,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:24,084 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 110 transitions. [2021-10-11 02:30:24,084 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:24,084 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 110 transitions. [2021-10-11 02:30:24,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-11 02:30:24,085 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:24,086 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 02:30:24,304 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:30:24,304 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:24,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:24,304 INFO L82 PathProgramCache]: Analyzing trace with hash -920121944, now seen corresponding path program 1 times [2021-10-11 02:30:24,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:24,305 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [859345939] [2021-10-11 02:30:24,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5de50a-e196-4eb5-a6e3-b256e0b08ce8/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 02:30:24,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:24,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:30:24,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:24,574 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 02:30:24,574 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:24,575 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [859345939] [2021-10-11 02:30:24,575 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:24,575 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:30:24,575 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829177454] [2021-10-11 02:30:24,576 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:30:24,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:24,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:30:24,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:30:24,578 INFO L87 Difference]: Start difference. First operand 78 states and 110 transitions. Second operand 5 states. [2021-10-11 02:30:24,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:24,717 INFO L93 Difference]: Finished difference Result 204 states and 285 transitions. [2021-10-11 02:30:24,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:30:24,718 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2021-10-11 02:30:24,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:24,719 INFO L225 Difference]: With dead ends: 204 [2021-10-11 02:30:24,719 INFO L226 Difference]: Without dead ends: 132 [2021-10-11 02:30:24,720 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 29 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 02:30:24,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2021-10-11 02:30:24,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 87. [2021-10-11 02:30:24,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2021-10-11 02:30:24,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 119 transitions. [2021-10-11 02:30:24,730 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 119 transitions. Word has length 31 [2021-10-11 02:30:24,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:24,731 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 119 transitions. [2021-10-11 02:30:24,731 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:30:24,731 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 119 transitions. [2021-10-11 02:30:24,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-11 02:30:24,732 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:24,732 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 02:30:24,952 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:30:24,952 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:24,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:24,953 INFO L82 PathProgramCache]: Analyzing trace with hash 1742389099, now seen corresponding path program 1 times [2021-10-11 02:30:24,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:24,954 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [532545905] [2021-10-11 02:30:24,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5de50a-e196-4eb5-a6e3-b256e0b08ce8/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 02:30:25,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:25,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:30:25,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:25,202 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 02:30:25,202 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:25,202 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [532545905] [2021-10-11 02:30:25,203 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:25,203 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:30:25,203 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300377129] [2021-10-11 02:30:25,203 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:30:25,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:25,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:30:25,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:30:25,205 INFO L87 Difference]: Start difference. First operand 87 states and 119 transitions. Second operand 5 states. [2021-10-11 02:30:25,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:25,349 INFO L93 Difference]: Finished difference Result 431 states and 600 transitions. [2021-10-11 02:30:25,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 02:30:25,350 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2021-10-11 02:30:25,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:25,353 INFO L225 Difference]: With dead ends: 431 [2021-10-11 02:30:25,353 INFO L226 Difference]: Without dead ends: 350 [2021-10-11 02:30:25,354 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 27 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 02:30:25,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2021-10-11 02:30:25,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 162. [2021-10-11 02:30:25,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2021-10-11 02:30:25,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 221 transitions. [2021-10-11 02:30:25,374 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 221 transitions. Word has length 31 [2021-10-11 02:30:25,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:25,375 INFO L481 AbstractCegarLoop]: Abstraction has 162 states and 221 transitions. [2021-10-11 02:30:25,375 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:30:25,375 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 221 transitions. [2021-10-11 02:30:25,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-11 02:30:25,376 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:25,377 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 02:30:25,593 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2021-10-11 02:30:25,593 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:25,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:25,594 INFO L82 PathProgramCache]: Analyzing trace with hash 1092376181, now seen corresponding path program 1 times [2021-10-11 02:30:25,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:25,594 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1099533355] [2021-10-11 02:30:25,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5de50a-e196-4eb5-a6e3-b256e0b08ce8/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 02:30:25,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:25,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:30:25,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:25,883 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 02:30:25,883 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:25,883 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1099533355] [2021-10-11 02:30:25,883 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:25,884 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:30:25,884 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960827108] [2021-10-11 02:30:25,885 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:30:25,885 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:25,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:30:25,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:30:25,887 INFO L87 Difference]: Start difference. First operand 162 states and 221 transitions. Second operand 5 states. [2021-10-11 02:30:26,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:26,128 INFO L93 Difference]: Finished difference Result 470 states and 642 transitions. [2021-10-11 02:30:26,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 02:30:26,129 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2021-10-11 02:30:26,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:26,134 INFO L225 Difference]: With dead ends: 470 [2021-10-11 02:30:26,134 INFO L226 Difference]: Without dead ends: 468 [2021-10-11 02:30:26,140 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 30 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 02:30:26,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2021-10-11 02:30:26,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 162. [2021-10-11 02:30:26,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2021-10-11 02:30:26,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 220 transitions. [2021-10-11 02:30:26,172 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 220 transitions. Word has length 32 [2021-10-11 02:30:26,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:26,173 INFO L481 AbstractCegarLoop]: Abstraction has 162 states and 220 transitions. [2021-10-11 02:30:26,173 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:30:26,173 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 220 transitions. [2021-10-11 02:30:26,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-11 02:30:26,174 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:26,174 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 02:30:26,387 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2021-10-11 02:30:26,388 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:26,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:26,388 INFO L82 PathProgramCache]: Analyzing trace with hash -1963161872, now seen corresponding path program 1 times [2021-10-11 02:30:26,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:26,389 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [548108820] [2021-10-11 02:30:26,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5de50a-e196-4eb5-a6e3-b256e0b08ce8/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 02:30:26,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:26,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 02:30:26,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:26,643 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 02:30:26,644 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:26,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [548108820] [2021-10-11 02:30:26,644 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:26,644 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:30:26,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151485248] [2021-10-11 02:30:26,645 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:30:26,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:26,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:30:26,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:30:26,646 INFO L87 Difference]: Start difference. First operand 162 states and 220 transitions. Second operand 4 states. [2021-10-11 02:30:26,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:26,744 INFO L93 Difference]: Finished difference Result 388 states and 522 transitions. [2021-10-11 02:30:26,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:30:26,745 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2021-10-11 02:30:26,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:26,747 INFO L225 Difference]: With dead ends: 388 [2021-10-11 02:30:26,749 INFO L226 Difference]: Without dead ends: 232 [2021-10-11 02:30:26,750 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 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 02:30:26,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2021-10-11 02:30:26,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 174. [2021-10-11 02:30:26,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2021-10-11 02:30:26,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 232 transitions. [2021-10-11 02:30:26,774 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 232 transitions. Word has length 32 [2021-10-11 02:30:26,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:26,774 INFO L481 AbstractCegarLoop]: Abstraction has 174 states and 232 transitions. [2021-10-11 02:30:26,774 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:30:26,774 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 232 transitions. [2021-10-11 02:30:26,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-11 02:30:26,782 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:26,782 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 02:30:26,999 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2021-10-11 02:30:26,999 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:26,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:26,999 INFO L82 PathProgramCache]: Analyzing trace with hash -1704996434, now seen corresponding path program 1 times [2021-10-11 02:30:27,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:27,000 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1934985571] [2021-10-11 02:30:27,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5de50a-e196-4eb5-a6e3-b256e0b08ce8/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 02:30:27,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:27,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:30:27,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:27,208 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 02:30:27,208 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:27,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1934985571] [2021-10-11 02:30:27,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:27,209 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:30:27,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747500885] [2021-10-11 02:30:27,209 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:27,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:27,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:27,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:27,211 INFO L87 Difference]: Start difference. First operand 174 states and 232 transitions. Second operand 3 states. [2021-10-11 02:30:27,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:27,266 INFO L93 Difference]: Finished difference Result 394 states and 524 transitions. [2021-10-11 02:30:27,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:27,267 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2021-10-11 02:30:27,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:27,268 INFO L225 Difference]: With dead ends: 394 [2021-10-11 02:30:27,269 INFO L226 Difference]: Without dead ends: 226 [2021-10-11 02:30:27,269 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 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 02:30:27,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2021-10-11 02:30:27,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2021-10-11 02:30:27,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2021-10-11 02:30:27,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 294 transitions. [2021-10-11 02:30:27,296 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 294 transitions. Word has length 32 [2021-10-11 02:30:27,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:27,297 INFO L481 AbstractCegarLoop]: Abstraction has 226 states and 294 transitions. [2021-10-11 02:30:27,297 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:27,297 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 294 transitions. [2021-10-11 02:30:27,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 02:30:27,298 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:27,298 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, 1] [2021-10-11 02:30:27,505 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2021-10-11 02:30:27,505 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:27,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:27,505 INFO L82 PathProgramCache]: Analyzing trace with hash 1518924332, now seen corresponding path program 1 times [2021-10-11 02:30:27,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:27,506 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [953531601] [2021-10-11 02:30:27,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5de50a-e196-4eb5-a6e3-b256e0b08ce8/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 02:30:28,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:30:28,731 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:30:29,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:30:29,657 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:30:29,867 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-11 02:30:29,867 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:30:30,084 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2021-10-11 02:30:30,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:30:30 BoogieIcfgContainer [2021-10-11 02:30:30,212 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:30:30,213 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:30:30,213 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:30:30,213 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:30:30,214 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:30:21" (3/4) ... [2021-10-11 02:30:30,216 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-11 02:30:30,301 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a5de50a-e196-4eb5-a6e3-b256e0b08ce8/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:30:30,305 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:30:30,306 INFO L168 Benchmark]: Toolchain (without parser) took 12181.33 ms. Allocated memory was 58.7 MB in the beginning and 100.7 MB in the end (delta: 41.9 MB). Free memory was 37.9 MB in the beginning and 43.4 MB in the end (delta: -5.5 MB). Peak memory consumption was 34.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:30,307 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 58.7 MB. Free memory is still 40.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:30:30,308 INFO L168 Benchmark]: CACSL2BoogieTranslator took 727.05 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 37.6 MB in the beginning and 52.7 MB in the end (delta: -15.0 MB). Peak memory consumption was 15.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:30,308 INFO L168 Benchmark]: Boogie Procedure Inliner took 131.44 ms. Allocated memory is still 71.3 MB. Free memory was 52.7 MB in the beginning and 47.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:30,309 INFO L168 Benchmark]: Boogie Preprocessor took 110.66 ms. Allocated memory is still 71.3 MB. Free memory was 47.9 MB in the beginning and 44.3 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:30,309 INFO L168 Benchmark]: RCFGBuilder took 2802.57 ms. Allocated memory was 71.3 MB in the beginning and 100.7 MB in the end (delta: 29.4 MB). Free memory was 44.3 MB in the beginning and 78.6 MB in the end (delta: -34.3 MB). Peak memory consumption was 21.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:30,309 INFO L168 Benchmark]: TraceAbstraction took 8311.33 ms. Allocated memory is still 100.7 MB. Free memory was 77.9 MB in the beginning and 57.0 MB in the end (delta: 21.0 MB). Peak memory consumption was 55.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:30,310 INFO L168 Benchmark]: Witness Printer took 91.76 ms. Allocated memory is still 100.7 MB. Free memory was 57.0 MB in the beginning and 43.4 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:30,312 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 58.7 MB. Free memory is still 40.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 727.05 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 37.6 MB in the beginning and 52.7 MB in the end (delta: -15.0 MB). Peak memory consumption was 15.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 131.44 ms. Allocated memory is still 71.3 MB. Free memory was 52.7 MB in the beginning and 47.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 110.66 ms. Allocated memory is still 71.3 MB. Free memory was 47.9 MB in the beginning and 44.3 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2802.57 ms. Allocated memory was 71.3 MB in the beginning and 100.7 MB in the end (delta: 29.4 MB). Free memory was 44.3 MB in the beginning and 78.6 MB in the end (delta: -34.3 MB). Peak memory consumption was 21.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 8311.33 ms. Allocated memory is still 100.7 MB. Free memory was 77.9 MB in the beginning and 57.0 MB in the end (delta: 21.0 MB). Peak memory consumption was 55.4 MB. Max. memory is 16.1 GB. * Witness Printer took 91.76 ms. Allocated memory is still 100.7 MB. Free memory was 57.0 MB in the beginning and 43.4 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 218]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L42] int cleanupTimeShifts = 4; [L231] int pumpRunning = 0; [L232] int systemActive = 1; [L693] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L891] int waterLevel = 1; [L892] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L123] int retValue_acc ; [L124] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L489] int retValue_acc ; [L492] retValue_acc = 1 [L493] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L130] tmp = valid_product() [L132] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L148] int splverifierCounter ; [L149] int tmp ; [L150] int tmp___0 ; [L151] int tmp___1 ; [L152] int tmp___2 ; [L155] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L157] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L159] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L165] tmp = __VERIFIER_nondet_int() [L167] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L909] COND TRUE waterLevel < 2 [L910] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L175] tmp___0 = __VERIFIER_nondet_int() [L177] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L921] COND FALSE !(\read(methaneLevelCritical)) [L924] methaneLevelCritical = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L185] tmp___2 = __VERIFIER_nondet_int() [L187] COND TRUE \read(tmp___2) [L458] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L239] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L246] COND TRUE \read(systemActive) [L320] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L323] COND FALSE !(\read(pumpRunning)) [L294] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L297] COND FALSE !(\read(pumpRunning)) [L268] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L271] COND TRUE ! pumpRunning [L417] int retValue_acc ; [L418] int tmp ; [L419] int tmp___0 ; [L971] int retValue_acc ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L974] COND FALSE !(waterLevel < 2) [L978] retValue_acc = 0 [L979] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L423] tmp = isHighWaterSensorDry() [L425] COND FALSE !(\read(tmp)) [L428] tmp___0 = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L430] retValue_acc = tmp___0 [L431] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L273] tmp = isHighWaterLevel() [L275] COND TRUE \read(tmp) [L348] pumpRunning = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L499] int tmp ; [L500] int tmp___0 ; [L930] int retValue_acc ; [L933] retValue_acc = methaneLevelCritical [L934] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L504] tmp = isMethaneLevelCritical() [L506] COND TRUE \read(tmp) [L372] int retValue_acc ; [L375] retValue_acc = pumpRunning [L376] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L508] tmp___0 = isPumpRunning() [L510] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L218] 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, 189 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 8.1s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1139 SDtfs, 1139 SDslu, 1235 SDs, 0 SdLazy, 194 SolverSat, 47 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 245 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=226occurred 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, 599 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 271 NumberOfCodeBlocks, 271 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 229 ConstructedInterpolants, 0 QuantifiedInterpolants, 12001 SizeOfPredicates, 13 NumberOfNonLiveVariables, 1837 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...