./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product27.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_7d3b68d2-3204-47fa-9987-41a008bcd4d9/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3b68d2-3204-47fa-9987-41a008bcd4d9/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_7d3b68d2-3204-47fa-9987-41a008bcd4d9/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3b68d2-3204-47fa-9987-41a008bcd4d9/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3b68d2-3204-47fa-9987-41a008bcd4d9/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_7d3b68d2-3204-47fa-9987-41a008bcd4d9/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 536f4e9bacbbdc4a60741158c51f8b2b0e9c1180 ............................................................................................................................................ 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_7d3b68d2-3204-47fa-9987-41a008bcd4d9/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3b68d2-3204-47fa-9987-41a008bcd4d9/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_7d3b68d2-3204-47fa-9987-41a008bcd4d9/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3b68d2-3204-47fa-9987-41a008bcd4d9/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3b68d2-3204-47fa-9987-41a008bcd4d9/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_7d3b68d2-3204-47fa-9987-41a008bcd4d9/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 536f4e9bacbbdc4a60741158c51f8b2b0e9c1180 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:29:48,269 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:29:48,271 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:29:48,311 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:29:48,312 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:29:48,318 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:29:48,320 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:29:48,324 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:29:48,327 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:29:48,333 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:29:48,335 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:29:48,336 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:29:48,337 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:29:48,340 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:29:48,342 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:29:48,344 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:29:48,346 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:29:48,350 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:29:48,352 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:29:48,361 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:29:48,363 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:29:48,365 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:29:48,368 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:29:48,370 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:29:48,379 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:29:48,379 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:29:48,380 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:29:48,382 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:29:48,383 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:29:48,385 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:29:48,386 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:29:48,387 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:29:48,389 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:29:48,391 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:29:48,393 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:29:48,393 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:29:48,394 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:29:48,395 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:29:48,395 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:29:48,396 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:29:48,398 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:29:48,399 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3b68d2-3204-47fa-9987-41a008bcd4d9/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:29:48,452 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:29:48,452 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:29:48,454 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:29:48,454 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:29:48,455 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:29:48,455 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:29:48,455 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:29:48,456 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:29:48,456 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:29:48,456 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:29:48,458 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:29:48,458 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:29:48,458 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:29:48,459 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:29:48,459 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:29:48,460 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:29:48,460 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:29:48,461 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:29:48,461 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:29:48,461 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:29:48,462 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:29:48,462 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:29:48,462 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:29:48,463 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:29:48,463 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:29:48,463 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:29:48,464 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:29:48,465 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:29:48,465 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:29:48,467 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:29:48,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:29:48,467 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:29:48,468 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:29:48,468 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:29:48,469 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:29:48,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:29:48,469 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:29:48,469 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:29:48,470 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:29:48,470 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_7d3b68d2-3204-47fa-9987-41a008bcd4d9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3b68d2-3204-47fa-9987-41a008bcd4d9/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 536f4e9bacbbdc4a60741158c51f8b2b0e9c1180 [2021-10-11 02:29:48,726 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:29:48,752 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:29:48,756 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:29:48,757 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:29:48,758 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:29:48,759 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3b68d2-3204-47fa-9987-41a008bcd4d9/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c [2021-10-11 02:29:48,851 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3b68d2-3204-47fa-9987-41a008bcd4d9/bin/utaipan-WLngWcDbfI/data/ce1e38383/83e7b67717d84ab8b6bd23a42571de68/FLAGfefbbe60e [2021-10-11 02:29:49,400 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:29:49,401 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3b68d2-3204-47fa-9987-41a008bcd4d9/sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c [2021-10-11 02:29:49,413 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3b68d2-3204-47fa-9987-41a008bcd4d9/bin/utaipan-WLngWcDbfI/data/ce1e38383/83e7b67717d84ab8b6bd23a42571de68/FLAGfefbbe60e [2021-10-11 02:29:49,715 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3b68d2-3204-47fa-9987-41a008bcd4d9/bin/utaipan-WLngWcDbfI/data/ce1e38383/83e7b67717d84ab8b6bd23a42571de68 [2021-10-11 02:29:49,717 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:29:49,718 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:29:49,733 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:29:49,733 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:29:49,737 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:29:49,738 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:29:49" (1/1) ... [2021-10-11 02:29:49,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34dd403a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:49, skipping insertion in model container [2021-10-11 02:29:49,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:29:49" (1/1) ... [2021-10-11 02:29:49,746 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:29:49,788 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:29:50,078 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_7d3b68d2-3204-47fa-9987-41a008bcd4d9/sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c[17959,17972] [2021-10-11 02:29:50,081 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:29:50,092 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 02:29:50,093 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4f321b64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:50, skipping insertion in model container [2021-10-11 02:29:50,093 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:29:50,101 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:29:50,103 INFO L168 Benchmark]: Toolchain (without parser) took 383.39 ms. Allocated memory was 115.3 MB in the beginning and 153.1 MB in the end (delta: 37.7 MB). Free memory was 83.5 MB in the beginning and 123.5 MB in the end (delta: -39.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:50,104 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 115.3 MB. Free memory is still 71.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:29:50,105 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.05 ms. Allocated memory was 115.3 MB in the beginning and 153.1 MB in the end (delta: 37.7 MB). Free memory was 83.5 MB in the beginning and 123.5 MB in the end (delta: -39.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:50,107 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 115.3 MB. Free memory is still 71.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 368.05 ms. Allocated memory was 115.3 MB in the beginning and 153.1 MB in the end (delta: 37.7 MB). Free memory was 83.5 MB in the beginning and 123.5 MB in the end (delta: -39.9 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: 70]: 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 02:29:52,493 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:29:52,496 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:29:52,544 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:29:52,545 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:29:52,550 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:29:52,552 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:29:52,557 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:29:52,560 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:29:52,565 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:29:52,569 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:29:52,571 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:29:52,571 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:29:52,574 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:29:52,576 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:29:52,578 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:29:52,580 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:29:52,584 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:29:52,587 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:29:52,597 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:29:52,599 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:29:52,600 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:29:52,603 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:29:52,606 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:29:52,615 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:29:52,615 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:29:52,615 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:29:52,618 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:29:52,618 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:29:52,620 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:29:52,620 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:29:52,621 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:29:52,623 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:29:52,624 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:29:52,625 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:29:52,625 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:29:52,626 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:29:52,626 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:29:52,626 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:29:52,629 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:29:52,629 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:29:52,630 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3b68d2-3204-47fa-9987-41a008bcd4d9/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:29:52,680 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:29:52,682 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:29:52,683 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:29:52,684 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:29:52,684 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:29:52,684 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:29:52,684 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:29:52,685 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:29:52,685 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:29:52,686 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:29:52,688 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:29:52,688 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:29:52,688 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:29:52,688 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:29:52,689 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:29:52,689 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:29:52,689 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:29:52,689 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:29:52,689 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:29:52,690 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:29:52,690 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:29:52,690 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:29:52,690 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:29:52,691 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:29:52,691 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:29:52,691 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:29:52,691 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:29:52,692 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:29:52,692 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:29:52,692 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:29:52,692 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:29:52,692 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:29:52,693 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:29:52,693 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:29:52,693 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:29:52,694 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_7d3b68d2-3204-47fa-9987-41a008bcd4d9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3b68d2-3204-47fa-9987-41a008bcd4d9/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 536f4e9bacbbdc4a60741158c51f8b2b0e9c1180 [2021-10-11 02:29:53,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:29:53,145 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:29:53,148 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:29:53,149 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:29:53,155 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:29:53,156 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3b68d2-3204-47fa-9987-41a008bcd4d9/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c [2021-10-11 02:29:53,229 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3b68d2-3204-47fa-9987-41a008bcd4d9/bin/utaipan-WLngWcDbfI/data/d4aee62fa/61a1570e6e1e445f9314230e68b9b053/FLAGb8c50c24a [2021-10-11 02:29:53,851 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:29:53,853 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3b68d2-3204-47fa-9987-41a008bcd4d9/sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c [2021-10-11 02:29:53,872 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3b68d2-3204-47fa-9987-41a008bcd4d9/bin/utaipan-WLngWcDbfI/data/d4aee62fa/61a1570e6e1e445f9314230e68b9b053/FLAGb8c50c24a [2021-10-11 02:29:54,097 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3b68d2-3204-47fa-9987-41a008bcd4d9/bin/utaipan-WLngWcDbfI/data/d4aee62fa/61a1570e6e1e445f9314230e68b9b053 [2021-10-11 02:29:54,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:29:54,101 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:29:54,103 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:29:54,103 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:29:54,107 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:29:54,108 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:29:54" (1/1) ... [2021-10-11 02:29:54,110 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5be5822c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:54, skipping insertion in model container [2021-10-11 02:29:54,110 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:29:54" (1/1) ... [2021-10-11 02:29:54,118 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:29:54,158 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:29:54,511 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_7d3b68d2-3204-47fa-9987-41a008bcd4d9/sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c[17959,17972] [2021-10-11 02:29:54,513 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:29:54,544 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:29:54,568 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:29:54,654 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_7d3b68d2-3204-47fa-9987-41a008bcd4d9/sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c[17959,17972] [2021-10-11 02:29:54,654 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:29:54,660 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:29:54,730 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_7d3b68d2-3204-47fa-9987-41a008bcd4d9/sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c[17959,17972] [2021-10-11 02:29:54,732 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:29:54,777 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:29:54,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:54 WrapperNode [2021-10-11 02:29:54,778 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:29:54,780 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:29:54,780 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:29:54,780 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:29:54,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:54" (1/1) ... [2021-10-11 02:29:54,810 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:54" (1/1) ... [2021-10-11 02:29:54,857 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:29:54,858 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:29:54,858 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:29:54,858 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:29:54,867 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:54" (1/1) ... [2021-10-11 02:29:54,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:54" (1/1) ... [2021-10-11 02:29:54,872 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:54" (1/1) ... [2021-10-11 02:29:54,873 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:54" (1/1) ... [2021-10-11 02:29:54,887 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:54" (1/1) ... [2021-10-11 02:29:54,893 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:54" (1/1) ... [2021-10-11 02:29:54,897 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:54" (1/1) ... [2021-10-11 02:29:54,902 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:29:54,903 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:29:54,903 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:29:54,903 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:29:54,904 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:54" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3b68d2-3204-47fa-9987-41a008bcd4d9/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 02:29:55,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:29:55,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:29:55,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:29:55,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:29:57,397 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:29:57,398 INFO L299 CfgBuilder]: Removed 102 assume(true) statements. [2021-10-11 02:29:57,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:29:57 BoogieIcfgContainer [2021-10-11 02:29:57,400 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:29:57,401 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:29:57,401 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:29:57,404 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:29:57,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:29:54" (1/3) ... [2021-10-11 02:29:57,406 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f1e3164 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:29:57, skipping insertion in model container [2021-10-11 02:29:57,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:54" (2/3) ... [2021-10-11 02:29:57,406 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f1e3164 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:29:57, skipping insertion in model container [2021-10-11 02:29:57,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:29:57" (3/3) ... [2021-10-11 02:29:57,408 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product27.cil.c [2021-10-11 02:29:57,422 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:29:57,426 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:29:57,437 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:29:57,463 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:29:57,464 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:29:57,465 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:29:57,465 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:29:57,465 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:29:57,465 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:29:57,466 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:29:57,466 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:29:57,480 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states. [2021-10-11 02:29:57,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 02:29:57,484 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:57,485 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:29:57,485 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:57,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:57,490 INFO L82 PathProgramCache]: Analyzing trace with hash 1392435012, now seen corresponding path program 1 times [2021-10-11 02:29:57,503 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:29:57,503 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [282160887] [2021-10-11 02:29:57,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3b68d2-3204-47fa-9987-41a008bcd4d9/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 02:29:57,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:57,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:29:57,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:29:57,827 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 02:29:57,828 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:29:57,828 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [282160887] [2021-10-11 02:29:57,829 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:57,829 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:29:57,831 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745544701] [2021-10-11 02:29:57,837 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:29:57,837 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:29:57,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:29:57,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:29:57,856 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 2 states. [2021-10-11 02:29:57,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:57,896 INFO L93 Difference]: Finished difference Result 155 states and 234 transitions. [2021-10-11 02:29:57,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:29:57,897 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 02:29:57,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:57,907 INFO L225 Difference]: With dead ends: 155 [2021-10-11 02:29:57,908 INFO L226 Difference]: Without dead ends: 77 [2021-10-11 02:29:57,911 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:29:57,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2021-10-11 02:29:57,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2021-10-11 02:29:57,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2021-10-11 02:29:57,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 109 transitions. [2021-10-11 02:29:57,952 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 109 transitions. Word has length 18 [2021-10-11 02:29:57,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:57,953 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 109 transitions. [2021-10-11 02:29:57,953 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:29:57,953 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2021-10-11 02:29:57,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 02:29:57,958 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:57,958 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:29:58,158 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:29:58,159 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:58,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:58,160 INFO L82 PathProgramCache]: Analyzing trace with hash 1173599043, now seen corresponding path program 1 times [2021-10-11 02:29:58,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:29:58,161 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1807242457] [2021-10-11 02:29:58,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3b68d2-3204-47fa-9987-41a008bcd4d9/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 02:29:58,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:58,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:29:58,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:29:58,399 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 02:29:58,399 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:29:58,400 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1807242457] [2021-10-11 02:29:58,400 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:58,400 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:29:58,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465834497] [2021-10-11 02:29:58,402 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:29:58,403 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:29:58,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:29:58,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:29:58,407 INFO L87 Difference]: Start difference. First operand 77 states and 109 transitions. Second operand 3 states. [2021-10-11 02:29:58,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:58,430 INFO L93 Difference]: Finished difference Result 77 states and 109 transitions. [2021-10-11 02:29:58,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:29:58,431 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 02:29:58,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:58,432 INFO L225 Difference]: With dead ends: 77 [2021-10-11 02:29:58,433 INFO L226 Difference]: Without dead ends: 37 [2021-10-11 02:29:58,434 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:29:58,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2021-10-11 02:29:58,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2021-10-11 02:29:58,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2021-10-11 02:29:58,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 52 transitions. [2021-10-11 02:29:58,440 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 52 transitions. Word has length 19 [2021-10-11 02:29:58,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:58,440 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 52 transitions. [2021-10-11 02:29:58,440 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:29:58,441 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2021-10-11 02:29:58,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:29:58,442 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:58,442 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:29:58,657 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:29:58,658 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:58,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:58,659 INFO L82 PathProgramCache]: Analyzing trace with hash 1808533439, now seen corresponding path program 1 times [2021-10-11 02:29:58,659 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:29:58,659 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1674103190] [2021-10-11 02:29:58,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3b68d2-3204-47fa-9987-41a008bcd4d9/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 02:29:58,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:58,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:29:58,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:29:58,925 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 02:29:58,925 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:29:58,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1674103190] [2021-10-11 02:29:58,926 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:58,926 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:29:58,926 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13550853] [2021-10-11 02:29:58,926 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:29:58,927 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:29:58,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:29:58,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:29:58,928 INFO L87 Difference]: Start difference. First operand 37 states and 52 transitions. Second operand 3 states. [2021-10-11 02:29:58,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:58,954 INFO L93 Difference]: Finished difference Result 97 states and 142 transitions. [2021-10-11 02:29:58,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:29:58,955 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:29:58,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:58,959 INFO L225 Difference]: With dead ends: 97 [2021-10-11 02:29:58,961 INFO L226 Difference]: Without dead ends: 67 [2021-10-11 02:29:58,962 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:29:58,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2021-10-11 02:29:58,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 63. [2021-10-11 02:29:58,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2021-10-11 02:29:58,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 92 transitions. [2021-10-11 02:29:58,985 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 92 transitions. Word has length 24 [2021-10-11 02:29:58,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:58,986 INFO L481 AbstractCegarLoop]: Abstraction has 63 states and 92 transitions. [2021-10-11 02:29:58,986 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:29:58,987 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 92 transitions. [2021-10-11 02:29:58,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 02:29:58,989 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:58,990 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 02:29:59,210 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:29:59,211 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:59,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:59,211 INFO L82 PathProgramCache]: Analyzing trace with hash -71070855, now seen corresponding path program 1 times [2021-10-11 02:29:59,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:29:59,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [461230688] [2021-10-11 02:29:59,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3b68d2-3204-47fa-9987-41a008bcd4d9/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 02:29:59,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:59,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:29:59,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:29:59,481 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 02:29:59,481 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:29:59,481 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [461230688] [2021-10-11 02:29:59,481 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:59,482 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:29:59,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531359871] [2021-10-11 02:29:59,483 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:29:59,483 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:29:59,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:29:59,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:29:59,486 INFO L87 Difference]: Start difference. First operand 63 states and 92 transitions. Second operand 5 states. [2021-10-11 02:29:59,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:59,634 INFO L93 Difference]: Finished difference Result 303 states and 463 transitions. [2021-10-11 02:29:59,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 02:29:59,635 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2021-10-11 02:29:59,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:59,644 INFO L225 Difference]: With dead ends: 303 [2021-10-11 02:29:59,644 INFO L226 Difference]: Without dead ends: 247 [2021-10-11 02:29:59,645 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 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 02:29:59,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2021-10-11 02:29:59,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 111. [2021-10-11 02:29:59,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2021-10-11 02:29:59,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 162 transitions. [2021-10-11 02:29:59,697 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 162 transitions. Word has length 25 [2021-10-11 02:29:59,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:59,700 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 162 transitions. [2021-10-11 02:29:59,700 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:29:59,700 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 162 transitions. [2021-10-11 02:29:59,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 02:29:59,703 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:59,704 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:29:59,919 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:29:59,919 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:59,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:59,919 INFO L82 PathProgramCache]: Analyzing trace with hash 34699249, now seen corresponding path program 1 times [2021-10-11 02:29:59,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:29:59,920 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [974171737] [2021-10-11 02:29:59,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3b68d2-3204-47fa-9987-41a008bcd4d9/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 02:30:00,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:00,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:30:00,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:00,190 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 02:30:00,190 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:00,190 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [974171737] [2021-10-11 02:30:00,191 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:00,191 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:30:00,191 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467102486] [2021-10-11 02:30:00,191 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:30:00,191 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:00,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:30:00,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:30:00,192 INFO L87 Difference]: Start difference. First operand 111 states and 162 transitions. Second operand 5 states. [2021-10-11 02:30:00,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:00,326 INFO L93 Difference]: Finished difference Result 307 states and 460 transitions. [2021-10-11 02:30:00,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:30:00,327 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2021-10-11 02:30:00,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:00,328 INFO L225 Difference]: With dead ends: 307 [2021-10-11 02:30:00,328 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:30:00,334 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 24 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 02:30:00,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:30:00,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:30:00,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:30:00,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:30:00,339 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2021-10-11 02:30:00,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:00,339 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:30:00,340 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:30:00,340 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:30:00,340 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:30:00,552 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:30:00,554 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:30:00,968 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 942) no Hoare annotation was computed. [2021-10-11 02:30:00,968 INFO L262 CegarLoopResult]: For program point L432(lines 432 442) no Hoare annotation was computed. [2021-10-11 02:30:00,968 INFO L262 CegarLoopResult]: For program point L432-2(lines 432 442) no Hoare annotation was computed. [2021-10-11 02:30:00,968 INFO L262 CegarLoopResult]: For program point L432-4(lines 432 442) no Hoare annotation was computed. [2021-10-11 02:30:00,968 INFO L258 CegarLoopResult]: At program point L746(lines 741 749) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:30:00,968 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:30:00,968 INFO L262 CegarLoopResult]: For program point L796(lines 796 804) no Hoare annotation was computed. [2021-10-11 02:30:00,968 INFO L262 CegarLoopResult]: For program point L796-1(lines 796 804) no Hoare annotation was computed. [2021-10-11 02:30:00,969 INFO L262 CegarLoopResult]: For program point L796-2(lines 796 804) no Hoare annotation was computed. [2021-10-11 02:30:00,969 INFO L258 CegarLoopResult]: At program point L499(lines 494 502) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:30:00,969 INFO L258 CegarLoopResult]: At program point L499-1(lines 494 502) the Hoare annotation is: false [2021-10-11 02:30:00,969 INFO L262 CegarLoopResult]: For program point L433(lines 433 439) no Hoare annotation was computed. [2021-10-11 02:30:00,969 INFO L258 CegarLoopResult]: At program point L499-2(lines 494 502) the Hoare annotation is: false [2021-10-11 02:30:00,969 INFO L262 CegarLoopResult]: For program point L912(lines 912 916) no Hoare annotation was computed. [2021-10-11 02:30:00,969 INFO L262 CegarLoopResult]: For program point L433-2(lines 433 439) no Hoare annotation was computed. [2021-10-11 02:30:00,969 INFO L262 CegarLoopResult]: For program point L912-2(lines 912 916) no Hoare annotation was computed. [2021-10-11 02:30:00,969 INFO L262 CegarLoopResult]: For program point L912-3(lines 912 916) no Hoare annotation was computed. [2021-10-11 02:30:00,969 INFO L262 CegarLoopResult]: For program point L433-4(lines 433 439) no Hoare annotation was computed. [2021-10-11 02:30:00,969 INFO L262 CegarLoopResult]: For program point L912-5(lines 912 916) no Hoare annotation was computed. [2021-10-11 02:30:00,970 INFO L262 CegarLoopResult]: For program point L912-6(lines 912 916) no Hoare annotation was computed. [2021-10-11 02:30:00,970 INFO L262 CegarLoopResult]: For program point L912-8(lines 912 916) no Hoare annotation was computed. [2021-10-11 02:30:00,970 INFO L258 CegarLoopResult]: At program point L417(lines 412 419) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:30:00,970 INFO L258 CegarLoopResult]: At program point L863(lines 858 866) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:30:00,970 INFO L258 CegarLoopResult]: At program point L863-1(lines 858 866) the Hoare annotation is: false [2021-10-11 02:30:00,970 INFO L258 CegarLoopResult]: At program point L863-2(lines 858 866) the Hoare annotation is: false [2021-10-11 02:30:00,970 INFO L262 CegarLoopResult]: For program point L634(lines 634 641) no Hoare annotation was computed. [2021-10-11 02:30:00,970 INFO L265 CegarLoopResult]: At program point L634-1(lines 634 641) the Hoare annotation is: true [2021-10-11 02:30:00,970 INFO L262 CegarLoopResult]: For program point L486(lines 486 490) no Hoare annotation was computed. [2021-10-11 02:30:00,971 INFO L258 CegarLoopResult]: At program point L767(lines 767 773) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:30:00,971 INFO L258 CegarLoopResult]: At program point L767-1(lines 767 773) the Hoare annotation is: false [2021-10-11 02:30:00,971 INFO L258 CegarLoopResult]: At program point L767-2(lines 767 773) the Hoare annotation is: false [2021-10-11 02:30:00,971 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:30:00,971 INFO L262 CegarLoopResult]: For program point L669(lines 669 675) no Hoare annotation was computed. [2021-10-11 02:30:00,971 INFO L258 CegarLoopResult]: At program point L669-1(lines 669 675) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:30:00,971 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 942) no Hoare annotation was computed. [2021-10-11 02:30:00,971 INFO L258 CegarLoopResult]: At program point L918(lines 903 921) the Hoare annotation is: false [2021-10-11 02:30:00,971 INFO L258 CegarLoopResult]: At program point L918-1(lines 903 921) the Hoare annotation is: false [2021-10-11 02:30:00,971 INFO L258 CegarLoopResult]: At program point L918-2(lines 903 921) the Hoare annotation is: false [2021-10-11 02:30:00,972 INFO L258 CegarLoopResult]: At program point L738(lines 1 945) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:30:00,972 INFO L258 CegarLoopResult]: At program point L606(lines 602 608) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:30:00,972 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:30:00,972 INFO L258 CegarLoopResult]: At program point L540(lines 535 543) the Hoare annotation is: false [2021-10-11 02:30:00,972 INFO L258 CegarLoopResult]: At program point L540-1(lines 535 543) the Hoare annotation is: false [2021-10-11 02:30:00,972 INFO L262 CegarLoopResult]: For program point L474(lines 474 478) no Hoare annotation was computed. [2021-10-11 02:30:00,972 INFO L258 CegarLoopResult]: At program point L540-2(lines 535 543) the Hoare annotation is: false [2021-10-11 02:30:00,972 INFO L262 CegarLoopResult]: For program point L689(lines 689 702) no Hoare annotation was computed. [2021-10-11 02:30:00,972 INFO L258 CegarLoopResult]: At program point L557-2(lines 557 571) the Hoare annotation is: false [2021-10-11 02:30:00,972 INFO L262 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2021-10-11 02:30:00,972 INFO L258 CegarLoopResult]: At program point L707(lines 658 708) the Hoare annotation is: false [2021-10-11 02:30:00,973 INFO L262 CegarLoopResult]: For program point L428(lines 428 445) no Hoare annotation was computed. [2021-10-11 02:30:00,973 INFO L258 CegarLoopResult]: At program point L428-1(lines 1 945) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:30:00,973 INFO L262 CegarLoopResult]: For program point L428-2(lines 428 445) no Hoare annotation was computed. [2021-10-11 02:30:00,973 INFO L258 CegarLoopResult]: At program point L428-3(lines 1 945) the Hoare annotation is: false [2021-10-11 02:30:00,973 INFO L262 CegarLoopResult]: For program point L428-4(lines 428 445) no Hoare annotation was computed. [2021-10-11 02:30:00,973 INFO L258 CegarLoopResult]: At program point L428-5(lines 1 945) the Hoare annotation is: false [2021-10-11 02:30:00,973 INFO L265 CegarLoopResult]: At program point L643(lines 624 646) the Hoare annotation is: true [2021-10-11 02:30:00,973 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:30:00,973 INFO L262 CegarLoopResult]: For program point L792(lines 792 809) no Hoare annotation was computed. [2021-10-11 02:30:00,973 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 942) no Hoare annotation was computed. [2021-10-11 02:30:00,974 INFO L262 CegarLoopResult]: For program point L792-1(lines 792 809) no Hoare annotation was computed. [2021-10-11 02:30:00,974 INFO L262 CegarLoopResult]: For program point L792-2(lines 792 809) no Hoare annotation was computed. [2021-10-11 02:30:00,974 INFO L262 CegarLoopResult]: For program point L660(lines 659 706) no Hoare annotation was computed. [2021-10-11 02:30:00,974 INFO L262 CegarLoopResult]: For program point L561(lines 561 565) no Hoare annotation was computed. [2021-10-11 02:30:00,974 INFO L262 CegarLoopResult]: For program point L561-1(lines 760 766) no Hoare annotation was computed. [2021-10-11 02:30:00,974 INFO L262 CegarLoopResult]: For program point L462(lines 462 466) no Hoare annotation was computed. [2021-10-11 02:30:00,974 INFO L262 CegarLoopResult]: For program point L462-3(lines 462 466) no Hoare annotation was computed. [2021-10-11 02:30:00,974 INFO L262 CegarLoopResult]: For program point L462-6(lines 462 466) no Hoare annotation was computed. [2021-10-11 02:30:00,974 INFO L258 CegarLoopResult]: At program point L760(lines 759 778) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:30:00,974 INFO L262 CegarLoopResult]: For program point L760-1(lines 760 766) no Hoare annotation was computed. [2021-10-11 02:30:00,977 INFO L258 CegarLoopResult]: At program point L760-2(lines 759 778) the Hoare annotation is: false [2021-10-11 02:30:00,978 INFO L262 CegarLoopResult]: For program point L661(lines 661 665) no Hoare annotation was computed. [2021-10-11 02:30:00,978 INFO L258 CegarLoopResult]: At program point L760-3(lines 759 778) the Hoare annotation is: false [2021-10-11 02:30:00,978 INFO L262 CegarLoopResult]: For program point L942(line 942) no Hoare annotation was computed. [2021-10-11 02:30:00,978 INFO L262 CegarLoopResult]: For program point L942-1(line 942) no Hoare annotation was computed. [2021-10-11 02:30:00,978 INFO L262 CegarLoopResult]: For program point L942-2(line 942) no Hoare annotation was computed. [2021-10-11 02:30:00,978 INFO L262 CegarLoopResult]: For program point L926(lines 926 932) no Hoare annotation was computed. [2021-10-11 02:30:00,979 INFO L258 CegarLoopResult]: At program point L926-1(lines 926 932) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:30:00,979 INFO L262 CegarLoopResult]: For program point L695(lines 695 701) no Hoare annotation was computed. [2021-10-11 02:30:00,979 INFO L258 CegarLoopResult]: At program point L695-1(lines 760 766) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:30:00,979 INFO L262 CegarLoopResult]: For program point L679(lines 679 685) no Hoare annotation was computed. [2021-10-11 02:30:00,979 INFO L258 CegarLoopResult]: At program point L679-1(lines 679 685) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:30:01,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:30:01 BoogieIcfgContainer [2021-10-11 02:30:01,009 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:30:01,009 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:30:01,009 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:30:01,010 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:30:01,010 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:29:57" (3/4) ... [2021-10-11 02:30:01,014 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:30:01,040 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:30:01,041 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:30:01,041 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:30:01,042 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:30:01,043 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:30:01,043 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:30:01,044 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:30:01,078 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-10-11 02:30:01,151 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3b68d2-3204-47fa-9987-41a008bcd4d9/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:30:01,152 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:30:01,153 INFO L168 Benchmark]: Toolchain (without parser) took 7051.54 ms. Allocated memory was 73.4 MB in the beginning and 96.5 MB in the end (delta: 23.1 MB). Free memory was 53.7 MB in the beginning and 50.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 24.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:01,154 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 73.4 MB. Free memory is still 54.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:30:01,155 INFO L168 Benchmark]: CACSL2BoogieTranslator took 675.57 ms. Allocated memory is still 73.4 MB. Free memory was 53.3 MB in the beginning and 38.0 MB in the end (delta: 15.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:01,155 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.49 ms. Allocated memory is still 73.4 MB. Free memory was 37.8 MB in the beginning and 54.8 MB in the end (delta: -17.0 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:01,155 INFO L168 Benchmark]: Boogie Preprocessor took 43.97 ms. Allocated memory is still 73.4 MB. Free memory was 54.8 MB in the beginning and 52.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:01,156 INFO L168 Benchmark]: RCFGBuilder took 2497.01 ms. Allocated memory was 73.4 MB in the beginning and 96.5 MB in the end (delta: 23.1 MB). Free memory was 52.4 MB in the beginning and 65.4 MB in the end (delta: -13.0 MB). Peak memory consumption was 31.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:01,157 INFO L168 Benchmark]: TraceAbstraction took 3607.55 ms. Allocated memory is still 96.5 MB. Free memory was 64.9 MB in the beginning and 57.3 MB in the end (delta: 7.6 MB). Peak memory consumption was 35.0 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:01,159 INFO L168 Benchmark]: Witness Printer took 142.63 ms. Allocated memory is still 96.5 MB. Free memory was 56.9 MB in the beginning and 50.6 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:01,161 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 73.4 MB. Free memory is still 54.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 675.57 ms. Allocated memory is still 73.4 MB. Free memory was 53.3 MB in the beginning and 38.0 MB in the end (delta: 15.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 77.49 ms. Allocated memory is still 73.4 MB. Free memory was 37.8 MB in the beginning and 54.8 MB in the end (delta: -17.0 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 43.97 ms. Allocated memory is still 73.4 MB. Free memory was 54.8 MB in the beginning and 52.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2497.01 ms. Allocated memory was 73.4 MB in the beginning and 96.5 MB in the end (delta: 23.1 MB). Free memory was 52.4 MB in the beginning and 65.4 MB in the end (delta: -13.0 MB). Peak memory consumption was 31.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3607.55 ms. Allocated memory is still 96.5 MB. Free memory was 64.9 MB in the beginning and 57.3 MB in the end (delta: 7.6 MB). Peak memory consumption was 35.0 MB. Max. memory is 16.1 GB. * Witness Printer took 142.63 ms. Allocated memory is still 96.5 MB. Free memory was 56.9 MB in the beginning and 50.6 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 942]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 942]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 942]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 759]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 759]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 557]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 759]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 903]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 412]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 903]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 903]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 81 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 350 SDtfs, 336 SDslu, 370 SDs, 0 SdLazy, 49 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 115 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 140 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 119 NumberOfFragments, 134 HoareAnnotationTreeSize, 33 FomulaSimplifications, 2909 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 33 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 5197 SizeOfPredicates, 7 NumberOfNonLiveVariables, 988 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 correct! Received shutdown request...