./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product26.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_a7598468-06fc-4385-b8fb-cac0e23be1e3/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7598468-06fc-4385-b8fb-cac0e23be1e3/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_a7598468-06fc-4385-b8fb-cac0e23be1e3/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7598468-06fc-4385-b8fb-cac0e23be1e3/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7598468-06fc-4385-b8fb-cac0e23be1e3/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_a7598468-06fc-4385-b8fb-cac0e23be1e3/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 60b6e6653baa7808463de65413f3436b817992e0 ............................................................................................................................................ 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_a7598468-06fc-4385-b8fb-cac0e23be1e3/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7598468-06fc-4385-b8fb-cac0e23be1e3/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_a7598468-06fc-4385-b8fb-cac0e23be1e3/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7598468-06fc-4385-b8fb-cac0e23be1e3/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7598468-06fc-4385-b8fb-cac0e23be1e3/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_a7598468-06fc-4385-b8fb-cac0e23be1e3/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 60b6e6653baa7808463de65413f3436b817992e0 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 02:30:30,234 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:30:30,253 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:30:30,285 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:30:30,286 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:30:30,288 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:30:30,290 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:30:30,292 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:30:30,295 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:30:30,296 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:30:30,297 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:30:30,299 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:30:30,300 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:30:30,301 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:30:30,303 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:30:30,305 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:30:30,306 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:30:30,307 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:30:30,310 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:30:30,312 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:30:30,314 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:30:30,316 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:30:30,318 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:30:30,319 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:30:30,323 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:30:30,323 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:30:30,324 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:30:30,325 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:30:30,326 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:30:30,327 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:30:30,328 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:30:30,329 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:30:30,330 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:30:30,331 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:30:30,333 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:30:30,333 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:30:30,334 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:30:30,335 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:30:30,335 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:30:30,337 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:30:30,338 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:30:30,339 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7598468-06fc-4385-b8fb-cac0e23be1e3/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:30:30,364 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:30:30,367 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:30:30,368 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:30:30,369 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:30:30,369 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:30:30,370 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:30:30,370 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:30:30,370 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:30:30,371 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:30:30,371 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:30:30,372 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:30:30,372 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:30:30,373 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:30:30,373 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:30:30,373 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:30:30,374 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:30:30,375 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:30:30,375 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:30:30,375 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:30:30,376 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:30:30,376 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:30:30,376 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:30:30,377 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:30:30,377 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:30:30,377 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:30:30,378 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:30:30,378 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:30:30,378 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:30:30,379 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:30:30,380 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:30:30,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:30:30,381 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:30:30,381 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:30:30,382 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:30:30,382 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:30:30,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:30:30,383 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:30:30,383 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:30:30,383 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:30:30,384 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_a7598468-06fc-4385-b8fb-cac0e23be1e3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7598468-06fc-4385-b8fb-cac0e23be1e3/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 60b6e6653baa7808463de65413f3436b817992e0 [2021-10-11 02:30:30,642 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:30:30,668 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:30:30,672 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:30:30,674 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:30:30,676 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:30:30,678 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7598468-06fc-4385-b8fb-cac0e23be1e3/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c [2021-10-11 02:30:30,761 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7598468-06fc-4385-b8fb-cac0e23be1e3/bin/utaipan-WLngWcDbfI/data/b6a9ac392/ac4bc5a4baa1457c81027f5de6f00b9c/FLAGe2cd44b49 [2021-10-11 02:30:31,400 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:30:31,401 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7598468-06fc-4385-b8fb-cac0e23be1e3/sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c [2021-10-11 02:30:31,414 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7598468-06fc-4385-b8fb-cac0e23be1e3/bin/utaipan-WLngWcDbfI/data/b6a9ac392/ac4bc5a4baa1457c81027f5de6f00b9c/FLAGe2cd44b49 [2021-10-11 02:30:31,644 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7598468-06fc-4385-b8fb-cac0e23be1e3/bin/utaipan-WLngWcDbfI/data/b6a9ac392/ac4bc5a4baa1457c81027f5de6f00b9c [2021-10-11 02:30:31,647 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:30:31,650 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:30:31,653 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:31,653 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:30:31,669 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:30:31,670 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:31" (1/1) ... [2021-10-11 02:30:31,671 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49dfa526 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:31, skipping insertion in model container [2021-10-11 02:30:31,672 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:31" (1/1) ... [2021-10-11 02:30:31,678 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:30:31,720 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:30:32,156 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_a7598468-06fc-4385-b8fb-cac0e23be1e3/sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c[17537,17550] [2021-10-11 02:30:32,159 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:32,171 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-11 02:30:32,171 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5998084c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:32, skipping insertion in model container [2021-10-11 02:30:32,171 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:32,172 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:30:32,174 INFO L168 Benchmark]: Toolchain (without parser) took 524.87 ms. Allocated memory is still 100.7 MB. Free memory was 68.0 MB in the beginning and 75.7 MB in the end (delta: -7.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:32,175 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 100.7 MB. Free memory was 56.1 MB in the beginning and 56.0 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:30:32,176 INFO L168 Benchmark]: CACSL2BoogieTranslator took 519.15 ms. Allocated memory is still 100.7 MB. Free memory was 67.7 MB in the beginning and 75.7 MB in the end (delta: -8.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:32,178 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 100.7 MB. Free memory was 56.1 MB in the beginning and 56.0 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 519.15 ms. Allocated memory is still 100.7 MB. Free memory was 67.7 MB in the beginning and 75.7 MB in the end (delta: -8.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 512]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:30:34,490 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:30:34,494 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:30:34,548 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:30:34,549 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:30:34,555 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:30:34,558 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:30:34,563 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:30:34,567 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:30:34,575 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:30:34,580 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:30:34,582 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:30:34,583 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:30:34,586 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:30:34,588 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:30:34,590 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:30:34,592 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:30:34,597 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:30:34,600 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:30:34,607 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:30:34,611 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:30:34,612 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:30:34,616 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:30:34,618 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:30:34,623 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:30:34,624 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:30:34,624 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:30:34,626 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:30:34,627 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:30:34,628 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:30:34,629 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:30:34,630 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:30:34,632 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:30:34,633 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:30:34,634 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:30:34,635 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:30:34,636 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:30:34,636 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:30:34,636 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:30:34,639 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:30:34,639 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:30:34,642 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7598468-06fc-4385-b8fb-cac0e23be1e3/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:30:34,687 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:30:34,687 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:30:34,689 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:30:34,689 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:30:34,690 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:30:34,690 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:30:34,690 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:30:34,690 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:30:34,691 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:30:34,692 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:30:34,693 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:30:34,694 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:30:34,694 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:30:34,694 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:30:34,695 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:30:34,695 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:30:34,695 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:30:34,695 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:30:34,696 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:30:34,696 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:30:34,696 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:30:34,696 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:30:34,697 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:30:34,697 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:30:34,697 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:30:34,697 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:30:34,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:30:34,698 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:30:34,698 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:30:34,699 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:30:34,699 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:30:34,699 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:30:34,699 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:30:34,700 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:30:34,700 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:30:34,700 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7598468-06fc-4385-b8fb-cac0e23be1e3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7598468-06fc-4385-b8fb-cac0e23be1e3/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 60b6e6653baa7808463de65413f3436b817992e0 [2021-10-11 02:30:35,136 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:30:35,175 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:30:35,180 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:30:35,181 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:30:35,182 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:30:35,185 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7598468-06fc-4385-b8fb-cac0e23be1e3/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c [2021-10-11 02:30:35,269 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7598468-06fc-4385-b8fb-cac0e23be1e3/bin/utaipan-WLngWcDbfI/data/2be3eb57f/7e0412d3d7a747d386732829a7571b04/FLAG86ab7544e [2021-10-11 02:30:35,984 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:30:35,984 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7598468-06fc-4385-b8fb-cac0e23be1e3/sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c [2021-10-11 02:30:36,001 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7598468-06fc-4385-b8fb-cac0e23be1e3/bin/utaipan-WLngWcDbfI/data/2be3eb57f/7e0412d3d7a747d386732829a7571b04/FLAG86ab7544e [2021-10-11 02:30:36,239 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7598468-06fc-4385-b8fb-cac0e23be1e3/bin/utaipan-WLngWcDbfI/data/2be3eb57f/7e0412d3d7a747d386732829a7571b04 [2021-10-11 02:30:36,243 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:30:36,245 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:30:36,246 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:36,246 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:30:36,260 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:30:36,261 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:36" (1/1) ... [2021-10-11 02:30:36,263 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f017c1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:36, skipping insertion in model container [2021-10-11 02:30:36,263 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:36" (1/1) ... [2021-10-11 02:30:36,272 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:30:36,334 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:30:36,639 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_a7598468-06fc-4385-b8fb-cac0e23be1e3/sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c[17537,17550] [2021-10-11 02:30:36,642 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:36,656 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:30:36,664 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:30:36,742 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7598468-06fc-4385-b8fb-cac0e23be1e3/sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c[17537,17550] [2021-10-11 02:30:36,743 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:36,751 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:30:36,891 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_a7598468-06fc-4385-b8fb-cac0e23be1e3/sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c[17537,17550] [2021-10-11 02:30:36,891 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:36,932 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:30:36,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:36 WrapperNode [2021-10-11 02:30:36,933 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:36,934 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:30:36,934 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:30:36,935 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:30:36,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:36" (1/1) ... [2021-10-11 02:30:36,973 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:36" (1/1) ... [2021-10-11 02:30:37,022 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:30:37,022 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:30:37,023 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:30:37,023 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:30:37,037 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:36" (1/1) ... [2021-10-11 02:30:37,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:36" (1/1) ... [2021-10-11 02:30:37,041 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:36" (1/1) ... [2021-10-11 02:30:37,042 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:36" (1/1) ... [2021-10-11 02:30:37,073 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:36" (1/1) ... [2021-10-11 02:30:37,087 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:36" (1/1) ... [2021-10-11 02:30:37,090 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:36" (1/1) ... [2021-10-11 02:30:37,094 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:30:37,095 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:30:37,095 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:30:37,095 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:30:37,096 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:36" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7598468-06fc-4385-b8fb-cac0e23be1e3/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:30:37,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:30:37,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:30:37,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:30:37,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:30:39,997 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:30:39,997 INFO L299 CfgBuilder]: Removed 98 assume(true) statements. [2021-10-11 02:30:40,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:30:40 BoogieIcfgContainer [2021-10-11 02:30:40,001 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:30:40,003 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:30:40,003 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:30:40,006 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:30:40,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:30:36" (1/3) ... [2021-10-11 02:30:40,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4730bc3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:30:40, skipping insertion in model container [2021-10-11 02:30:40,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:36" (2/3) ... [2021-10-11 02:30:40,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4730bc3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:30:40, skipping insertion in model container [2021-10-11 02:30:40,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:30:40" (3/3) ... [2021-10-11 02:30:40,019 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product26.cil.c [2021-10-11 02:30:40,033 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:30:40,036 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:30:40,047 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:30:40,073 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:30:40,074 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:30:40,074 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:30:40,074 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:30:40,074 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:30:40,074 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:30:40,075 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:30:40,075 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:30:40,087 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2021-10-11 02:30:40,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 02:30:40,092 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:40,092 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:40,093 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:40,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:40,099 INFO L82 PathProgramCache]: Analyzing trace with hash 157385897, now seen corresponding path program 1 times [2021-10-11 02:30:40,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:40,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1218195591] [2021-10-11 02:30:40,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7598468-06fc-4385-b8fb-cac0e23be1e3/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:40,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:40,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:30:40,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:40,540 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 02:30:40,541 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:40,542 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1218195591] [2021-10-11 02:30:40,543 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:40,543 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:30:40,545 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358063867] [2021-10-11 02:30:40,557 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:30:40,558 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:40,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:30:40,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:30:40,583 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2021-10-11 02:30:40,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:40,636 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2021-10-11 02:30:40,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:30:40,638 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 02:30:40,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:40,651 INFO L225 Difference]: With dead ends: 144 [2021-10-11 02:30:40,651 INFO L226 Difference]: Without dead ends: 71 [2021-10-11 02:30:40,655 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:30:40,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-10-11 02:30:40,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-10-11 02:30:40,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2021-10-11 02:30:40,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2021-10-11 02:30:40,703 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 16 [2021-10-11 02:30:40,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:40,703 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2021-10-11 02:30:40,703 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:30:40,704 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2021-10-11 02:30:40,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 02:30:40,705 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:40,705 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:40,925 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:30:40,925 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:40,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:40,926 INFO L82 PathProgramCache]: Analyzing trace with hash -889371000, now seen corresponding path program 1 times [2021-10-11 02:30:40,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:40,928 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [462896170] [2021-10-11 02:30:40,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7598468-06fc-4385-b8fb-cac0e23be1e3/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:41,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:41,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:30:41,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:41,211 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 02:30:41,211 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:41,212 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [462896170] [2021-10-11 02:30:41,212 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:41,212 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:30:41,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137365497] [2021-10-11 02:30:41,214 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:41,214 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:41,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:41,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:41,216 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 3 states. [2021-10-11 02:30:41,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:41,226 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2021-10-11 02:30:41,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:41,227 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 02:30:41,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:41,228 INFO L225 Difference]: With dead ends: 71 [2021-10-11 02:30:41,228 INFO L226 Difference]: Without dead ends: 33 [2021-10-11 02:30:41,229 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:41,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-11 02:30:41,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-11 02:30:41,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2021-10-11 02:30:41,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2021-10-11 02:30:41,235 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2021-10-11 02:30:41,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:41,236 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2021-10-11 02:30:41,236 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:41,236 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2021-10-11 02:30:41,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 02:30:41,237 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:41,237 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:41,453 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:30:41,453 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:41,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:41,454 INFO L82 PathProgramCache]: Analyzing trace with hash -1255414035, now seen corresponding path program 1 times [2021-10-11 02:30:41,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:41,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [505500960] [2021-10-11 02:30:41,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7598468-06fc-4385-b8fb-cac0e23be1e3/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:41,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:41,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:30:41,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:41,695 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 02:30:41,695 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:41,701 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [505500960] [2021-10-11 02:30:41,701 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:41,701 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:30:41,702 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117527619] [2021-10-11 02:30:41,702 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:41,702 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:41,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:41,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:41,706 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 3 states. [2021-10-11 02:30:41,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:41,756 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2021-10-11 02:30:41,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:41,757 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2021-10-11 02:30:41,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:41,758 INFO L225 Difference]: With dead ends: 60 [2021-10-11 02:30:41,758 INFO L226 Difference]: Without dead ends: 33 [2021-10-11 02:30:41,759 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:41,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-11 02:30:41,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-11 02:30:41,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2021-10-11 02:30:41,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2021-10-11 02:30:41,766 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 22 [2021-10-11 02:30:41,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:41,767 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2021-10-11 02:30:41,767 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:41,767 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2021-10-11 02:30:41,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-11 02:30:41,768 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:41,768 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:41,985 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:30:41,986 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:41,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:41,986 INFO L82 PathProgramCache]: Analyzing trace with hash -1242671319, now seen corresponding path program 1 times [2021-10-11 02:30:41,988 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:41,989 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1137404155] [2021-10-11 02:30:41,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7598468-06fc-4385-b8fb-cac0e23be1e3/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:42,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:42,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:30:42,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:42,271 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 02:30:42,271 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:42,272 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1137404155] [2021-10-11 02:30:42,272 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:42,272 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:30:42,272 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876744457] [2021-10-11 02:30:42,273 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:30:42,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:42,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:30:42,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:30:42,274 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 5 states. [2021-10-11 02:30:42,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:42,425 INFO L93 Difference]: Finished difference Result 151 states and 223 transitions. [2021-10-11 02:30:42,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 02:30:42,426 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2021-10-11 02:30:42,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:42,432 INFO L225 Difference]: With dead ends: 151 [2021-10-11 02:30:42,432 INFO L226 Difference]: Without dead ends: 124 [2021-10-11 02:30:42,433 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:30:42,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2021-10-11 02:30:42,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 56. [2021-10-11 02:30:42,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2021-10-11 02:30:42,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 78 transitions. [2021-10-11 02:30:42,459 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 78 transitions. Word has length 23 [2021-10-11 02:30:42,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:42,459 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 78 transitions. [2021-10-11 02:30:42,459 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:30:42,459 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 78 transitions. [2021-10-11 02:30:42,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:30:42,464 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:42,465 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 02:30:42,682 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:30:42,682 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:42,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:42,683 INFO L82 PathProgramCache]: Analyzing trace with hash 710187059, now seen corresponding path program 1 times [2021-10-11 02:30:42,683 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:42,684 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1361756796] [2021-10-11 02:30:42,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7598468-06fc-4385-b8fb-cac0e23be1e3/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 02:30:42,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:42,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:30:42,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:42,956 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 02:30:42,957 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:42,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1361756796] [2021-10-11 02:30:42,957 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:42,957 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:30:42,958 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613374334] [2021-10-11 02:30:42,958 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:30:42,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:42,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:30:42,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:30:42,959 INFO L87 Difference]: Start difference. First operand 56 states and 78 transitions. Second operand 5 states. [2021-10-11 02:30:43,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:43,093 INFO L93 Difference]: Finished difference Result 148 states and 215 transitions. [2021-10-11 02:30:43,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:30:43,093 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2021-10-11 02:30:43,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:43,094 INFO L225 Difference]: With dead ends: 148 [2021-10-11 02:30:43,094 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:30:43,100 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 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 02:30:43,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:30:43,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:30:43,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:30:43,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:30:43,105 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2021-10-11 02:30:43,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:43,105 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:30:43,105 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:30:43,105 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:30:43,105 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:30:43,321 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:30:43,323 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:30:43,743 INFO L262 CegarLoopResult]: For program point L861(lines 860 907) no Hoare annotation was computed. [2021-10-11 02:30:43,744 INFO L262 CegarLoopResult]: For program point L349(lines 349 357) no Hoare annotation was computed. [2021-10-11 02:30:43,744 INFO L262 CegarLoopResult]: For program point L349-1(lines 349 357) no Hoare annotation was computed. [2021-10-11 02:30:43,744 INFO L262 CegarLoopResult]: For program point L349-2(lines 349 357) no Hoare annotation was computed. [2021-10-11 02:30:43,744 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 921) no Hoare annotation was computed. [2021-10-11 02:30:43,744 INFO L262 CegarLoopResult]: For program point L217(line 217) no Hoare annotation was computed. [2021-10-11 02:30:43,744 INFO L262 CegarLoopResult]: For program point L465(lines 465 469) no Hoare annotation was computed. [2021-10-11 02:30:43,744 INFO L262 CegarLoopResult]: For program point L465-2(lines 465 469) no Hoare annotation was computed. [2021-10-11 02:30:43,744 INFO L262 CegarLoopResult]: For program point L465-3(lines 465 469) no Hoare annotation was computed. [2021-10-11 02:30:43,744 INFO L262 CegarLoopResult]: For program point L465-5(lines 465 469) no Hoare annotation was computed. [2021-10-11 02:30:43,745 INFO L262 CegarLoopResult]: For program point L465-6(lines 465 469) no Hoare annotation was computed. [2021-10-11 02:30:43,745 INFO L262 CegarLoopResult]: For program point L465-8(lines 465 469) no Hoare annotation was computed. [2021-10-11 02:30:43,745 INFO L258 CegarLoopResult]: At program point L416(lines 411 419) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:30:43,745 INFO L258 CegarLoopResult]: At program point L416-1(lines 411 419) the Hoare annotation is: false [2021-10-11 02:30:43,745 INFO L262 CegarLoopResult]: For program point L862(lines 862 866) no Hoare annotation was computed. [2021-10-11 02:30:43,745 INFO L258 CegarLoopResult]: At program point L416-2(lines 411 419) the Hoare annotation is: false [2021-10-11 02:30:43,745 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:30:43,745 INFO L262 CegarLoopResult]: For program point L186(lines 186 199) no Hoare annotation was computed. [2021-10-11 02:30:43,746 INFO L258 CegarLoopResult]: At program point L186-1(lines 1 924) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:30:43,746 INFO L262 CegarLoopResult]: For program point L186-2(lines 186 199) no Hoare annotation was computed. [2021-10-11 02:30:43,746 INFO L258 CegarLoopResult]: At program point L186-3(lines 1 924) the Hoare annotation is: false [2021-10-11 02:30:43,746 INFO L262 CegarLoopResult]: For program point L186-4(lines 186 199) no Hoare annotation was computed. [2021-10-11 02:30:43,746 INFO L258 CegarLoopResult]: At program point L186-5(lines 1 924) the Hoare annotation is: false [2021-10-11 02:30:43,746 INFO L262 CegarLoopResult]: For program point L880(lines 880 886) no Hoare annotation was computed. [2021-10-11 02:30:43,746 INFO L258 CegarLoopResult]: At program point L880-1(lines 880 886) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:30:43,746 INFO L262 CegarLoopResult]: For program point L220(lines 220 224) no Hoare annotation was computed. [2021-10-11 02:30:43,746 INFO L262 CegarLoopResult]: For program point L220-1(lines 313 319) no Hoare annotation was computed. [2021-10-11 02:30:43,747 INFO L258 CegarLoopResult]: At program point L171(lines 166 174) the Hoare annotation is: false [2021-10-11 02:30:43,747 INFO L258 CegarLoopResult]: At program point L171-1(lines 166 174) the Hoare annotation is: false [2021-10-11 02:30:43,747 INFO L262 CegarLoopResult]: For program point L105(lines 105 109) no Hoare annotation was computed. [2021-10-11 02:30:43,747 INFO L258 CegarLoopResult]: At program point L171-2(lines 166 174) the Hoare annotation is: false [2021-10-11 02:30:43,747 INFO L262 CegarLoopResult]: For program point L898(lines 898 902) no Hoare annotation was computed. [2021-10-11 02:30:43,747 INFO L258 CegarLoopResult]: At program point L898-2(lines 313 319) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:30:43,747 INFO L258 CegarLoopResult]: At program point L320(lines 320 326) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:30:43,747 INFO L258 CegarLoopResult]: At program point L320-1(lines 320 326) the Hoare annotation is: false [2021-10-11 02:30:43,747 INFO L258 CegarLoopResult]: At program point L320-2(lines 320 326) the Hoare annotation is: false [2021-10-11 02:30:43,748 INFO L262 CegarLoopResult]: For program point L289(lines 289 296) no Hoare annotation was computed. [2021-10-11 02:30:43,748 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:30:43,748 INFO L265 CegarLoopResult]: At program point L289-1(lines 289 296) the Hoare annotation is: true [2021-10-11 02:30:43,748 INFO L262 CegarLoopResult]: For program point L190(lines 190 196) no Hoare annotation was computed. [2021-10-11 02:30:43,748 INFO L262 CegarLoopResult]: For program point L190-2(lines 190 196) no Hoare annotation was computed. [2021-10-11 02:30:43,748 INFO L262 CegarLoopResult]: For program point L190-4(lines 190 196) no Hoare annotation was computed. [2021-10-11 02:30:43,748 INFO L258 CegarLoopResult]: At program point L471(lines 456 474) the Hoare annotation is: false [2021-10-11 02:30:43,748 INFO L258 CegarLoopResult]: At program point L471-1(lines 456 474) the Hoare annotation is: false [2021-10-11 02:30:43,748 INFO L258 CegarLoopResult]: At program point L471-2(lines 456 474) the Hoare annotation is: false [2021-10-11 02:30:43,748 INFO L258 CegarLoopResult]: At program point L75(lines 70 78) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:30:43,749 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 921) no Hoare annotation was computed. [2021-10-11 02:30:43,749 INFO L262 CegarLoopResult]: For program point L93(lines 93 97) no Hoare annotation was computed. [2021-10-11 02:30:43,749 INFO L262 CegarLoopResult]: For program point L93-3(lines 93 97) no Hoare annotation was computed. [2021-10-11 02:30:43,749 INFO L262 CegarLoopResult]: For program point L93-6(lines 93 97) no Hoare annotation was computed. [2021-10-11 02:30:43,749 INFO L262 CegarLoopResult]: For program point L870(lines 870 876) no Hoare annotation was computed. [2021-10-11 02:30:43,749 INFO L258 CegarLoopResult]: At program point L870-1(lines 870 876) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:30:43,749 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:30:43,749 INFO L262 CegarLoopResult]: For program point L921(line 921) no Hoare annotation was computed. [2021-10-11 02:30:43,749 INFO L262 CegarLoopResult]: For program point L921-1(line 921) no Hoare annotation was computed. [2021-10-11 02:30:43,750 INFO L262 CegarLoopResult]: For program point L921-2(line 921) no Hoare annotation was computed. [2021-10-11 02:30:43,750 INFO L258 CegarLoopResult]: At program point L130(lines 125 133) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:30:43,750 INFO L258 CegarLoopResult]: At program point L130-1(lines 125 133) the Hoare annotation is: false [2021-10-11 02:30:43,750 INFO L258 CegarLoopResult]: At program point L130-2(lines 125 133) the Hoare annotation is: false [2021-10-11 02:30:43,750 INFO L262 CegarLoopResult]: For program point L890(lines 890 903) no Hoare annotation was computed. [2021-10-11 02:30:43,750 INFO L262 CegarLoopResult]: For program point L345(lines 345 362) no Hoare annotation was computed. [2021-10-11 02:30:43,750 INFO L262 CegarLoopResult]: For program point L345-1(lines 345 362) no Hoare annotation was computed. [2021-10-11 02:30:43,750 INFO L262 CegarLoopResult]: For program point L345-2(lines 345 362) no Hoare annotation was computed. [2021-10-11 02:30:43,750 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:30:43,750 INFO L258 CegarLoopResult]: At program point L313(lines 312 331) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:30:43,751 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 921) no Hoare annotation was computed. [2021-10-11 02:30:43,751 INFO L262 CegarLoopResult]: For program point L313-1(lines 313 319) no Hoare annotation was computed. [2021-10-11 02:30:43,751 INFO L258 CegarLoopResult]: At program point L313-2(lines 312 331) the Hoare annotation is: false [2021-10-11 02:30:43,751 INFO L258 CegarLoopResult]: At program point L313-3(lines 312 331) the Hoare annotation is: false [2021-10-11 02:30:43,751 INFO L258 CegarLoopResult]: At program point L908(lines 859 909) the Hoare annotation is: false [2021-10-11 02:30:43,751 INFO L265 CegarLoopResult]: At program point L298(lines 279 301) the Hoare annotation is: true [2021-10-11 02:30:43,751 INFO L258 CegarLoopResult]: At program point L265(lines 261 267) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:30:43,751 INFO L258 CegarLoopResult]: At program point L67(lines 1 924) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:30:43,751 INFO L258 CegarLoopResult]: At program point L216-2(lines 216 230) the Hoare annotation is: false [2021-10-11 02:30:43,752 INFO L262 CegarLoopResult]: For program point L117(lines 117 121) no Hoare annotation was computed. [2021-10-11 02:30:43,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:30:43 BoogieIcfgContainer [2021-10-11 02:30:43,795 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:30:43,796 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:30:43,796 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:30:43,796 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:30:43,797 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:30:40" (3/4) ... [2021-10-11 02:30:43,801 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:30:43,825 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:30:43,827 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:30:43,827 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:30:43,828 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:30:43,829 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:30:43,829 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:30:43,830 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:30:43,867 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2021-10-11 02:30:43,943 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7598468-06fc-4385-b8fb-cac0e23be1e3/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:30:43,943 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:30:43,945 INFO L168 Benchmark]: Toolchain (without parser) took 7699.63 ms. Allocated memory was 56.6 MB in the beginning and 83.9 MB in the end (delta: 27.3 MB). Free memory was 39.9 MB in the beginning and 49.3 MB in the end (delta: -9.3 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:43,946 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 46.1 MB. Free memory was 27.6 MB in the beginning and 27.6 MB in the end (delta: 32.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:30:43,947 INFO L168 Benchmark]: CACSL2BoogieTranslator took 687.37 ms. Allocated memory is still 56.6 MB. Free memory was 39.7 MB in the beginning and 35.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 17.0 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:43,947 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.47 ms. Allocated memory is still 56.6 MB. Free memory was 35.0 MB in the beginning and 32.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:43,948 INFO L168 Benchmark]: Boogie Preprocessor took 71.39 ms. Allocated memory is still 56.6 MB. Free memory was 32.2 MB in the beginning and 29.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:43,948 INFO L168 Benchmark]: RCFGBuilder took 2906.15 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 29.8 MB in the beginning and 31.1 MB in the end (delta: -1.3 MB). Peak memory consumption was 13.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:43,949 INFO L168 Benchmark]: TraceAbstraction took 3792.32 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 30.7 MB in the beginning and 55.6 MB in the end (delta: -24.8 MB). Peak memory consumption was 26.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:43,949 INFO L168 Benchmark]: Witness Printer took 147.69 ms. Allocated memory is still 83.9 MB. Free memory was 55.6 MB in the beginning and 49.3 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:43,951 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 46.1 MB. Free memory was 27.6 MB in the beginning and 27.6 MB in the end (delta: 32.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 687.37 ms. Allocated memory is still 56.6 MB. Free memory was 39.7 MB in the beginning and 35.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 17.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 87.47 ms. Allocated memory is still 56.6 MB. Free memory was 35.0 MB in the beginning and 32.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 71.39 ms. Allocated memory is still 56.6 MB. Free memory was 32.2 MB in the beginning and 29.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2906.15 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 29.8 MB in the beginning and 31.1 MB in the end (delta: -1.3 MB). Peak memory consumption was 13.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3792.32 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 30.7 MB in the beginning and 55.6 MB in the end (delta: -24.8 MB). Peak memory consumption was 26.5 MB. Max. memory is 16.1 GB. * Witness Printer took 147.69 ms. Allocated memory is still 83.9 MB. Free memory was 55.6 MB in the beginning and 49.3 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: 921]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 921]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 921]: 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: 456]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 859]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 311 SDtfs, 325 SDslu, 264 SDs, 0 SdLazy, 39 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 105 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 68 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 72 NumberOfFragments, 155 HoareAnnotationTreeSize, 31 FomulaSimplifications, 1473 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 31 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 3325 SizeOfPredicates, 7 NumberOfNonLiveVariables, 976 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...