./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/bin/utaipan-UUZaoUuFF8 --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 c8d555049aaaa188526ff7f51deb0a6f51f5f04abef75f3a5212bc7583c2506a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:07:21,412 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:07:21,414 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:07:21,453 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:07:21,454 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:07:21,455 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:07:21,457 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:07:21,459 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:07:21,461 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:07:21,462 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:07:21,463 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:07:21,465 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:07:21,465 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:07:21,466 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:07:21,468 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:07:21,470 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:07:21,471 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:07:21,472 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:07:21,474 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:07:21,477 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:07:21,479 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:07:21,480 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:07:21,482 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:07:21,483 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:07:21,486 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:07:21,487 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:07:21,487 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:07:21,489 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:07:21,489 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:07:21,490 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:07:21,491 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:07:21,492 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:07:21,493 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:07:21,494 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:07:21,495 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:07:21,496 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:07:21,497 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:07:21,497 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:07:21,497 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:07:21,498 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:07:21,499 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:07:21,500 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:07:21,531 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:07:21,532 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:07:21,533 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:07:21,533 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:07:21,533 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:07:21,534 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:07:21,534 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:07:21,535 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:07:21,535 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:07:21,535 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:07:21,536 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:07:21,536 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:07:21,536 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:07:21,537 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:07:21,537 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:07:21,538 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:07:21,538 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:07:21,539 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:07:21,539 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:07:21,539 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:07:21,540 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:07:21,540 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:07:21,541 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:07:21,541 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:07:21,541 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:07:21,542 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:07:21,542 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:07:21,542 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:07:21,543 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:07:21,543 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:07:21,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:07:21,544 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:07:21,544 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:07:21,545 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:07:21,545 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:07:21,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:07:21,545 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:07:21,546 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:07:21,546 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:07:21,546 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_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8d555049aaaa188526ff7f51deb0a6f51f5f04abef75f3a5212bc7583c2506a [2021-11-07 01:07:21,793 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:07:21,817 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:07:21,819 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:07:21,820 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:07:21,821 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:07:21,822 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c [2021-11-07 01:07:21,901 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/bin/utaipan-UUZaoUuFF8/data/2a43e1397/20e5800d42594eea94dd5405af450663/FLAG40d66e37d [2021-11-07 01:07:22,397 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:07:22,397 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c [2021-11-07 01:07:22,443 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/bin/utaipan-UUZaoUuFF8/data/2a43e1397/20e5800d42594eea94dd5405af450663/FLAG40d66e37d [2021-11-07 01:07:22,751 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/bin/utaipan-UUZaoUuFF8/data/2a43e1397/20e5800d42594eea94dd5405af450663 [2021-11-07 01:07:22,754 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:07:22,755 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:07:22,756 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:07:22,757 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:07:22,769 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:07:22,769 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:07:22" (1/1) ... [2021-11-07 01:07:22,771 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cdd485b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:22, skipping insertion in model container [2021-11-07 01:07:22,771 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:07:22" (1/1) ... [2021-11-07 01:07:22,778 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:07:22,817 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:07:23,123 WARN L228 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_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c[17431,17444] [2021-11-07 01:07:23,126 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:07:23,138 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) [2021-11-07 01:07:23,139 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@501d1345 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:23, skipping insertion in model container [2021-11-07 01:07:23,139 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:07:23,140 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:07:23,142 INFO L168 Benchmark]: Toolchain (without parser) took 385.62 ms. Allocated memory is still 86.0 MB. Free memory was 64.6 MB in the beginning and 51.3 MB in the end (delta: 13.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:07:23,143 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 86.0 MB. Free memory was 63.1 MB in the beginning and 63.0 MB in the end (delta: 38.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:07:23,144 INFO L168 Benchmark]: CACSL2BoogieTranslator took 383.34 ms. Allocated memory is still 86.0 MB. Free memory was 64.5 MB in the beginning and 51.3 MB in the end (delta: 13.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:07:23,146 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 86.0 MB. Free memory was 63.1 MB in the beginning and 63.0 MB in the end (delta: 38.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 383.34 ms. Allocated memory is still 86.0 MB. Free memory was 64.5 MB in the beginning and 51.3 MB in the end (delta: 13.2 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: 164]: 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/bin/utaipan-UUZaoUuFF8 --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 c8d555049aaaa188526ff7f51deb0a6f51f5f04abef75f3a5212bc7583c2506a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:07:25,359 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:07:25,361 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:07:25,395 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:07:25,398 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:07:25,402 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:07:25,405 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:07:25,413 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:07:25,416 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:07:25,424 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:07:25,426 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:07:25,428 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:07:25,429 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:07:25,431 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:07:25,433 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:07:25,435 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:07:25,438 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:07:25,439 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:07:25,444 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:07:25,447 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:07:25,453 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:07:25,455 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:07:25,456 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:07:25,459 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:07:25,466 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:07:25,470 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:07:25,471 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:07:25,472 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:07:25,473 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:07:25,474 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:07:25,475 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:07:25,476 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:07:25,478 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:07:25,479 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:07:25,484 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:07:25,484 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:07:25,485 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:07:25,485 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:07:25,486 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:07:25,486 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:07:25,487 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:07:25,488 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 01:07:25,513 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:07:25,514 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:07:25,514 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:07:25,515 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:07:25,515 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:07:25,515 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:07:25,515 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:07:25,515 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:07:25,516 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:07:25,516 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:07:25,517 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:07:25,517 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:07:25,517 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:07:25,517 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:07:25,517 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:07:25,517 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:07:25,518 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:07:25,518 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:07:25,518 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:07:25,518 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:07:25,518 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:07:25,519 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:07:25,519 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:07:25,519 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:07:25,519 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:07:25,519 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:07:25,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:07:25,520 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:07:25,520 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:07:25,520 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:07:25,520 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:07:25,520 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:07:25,521 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:07:25,521 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:07:25,521 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:07:25,521 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_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8d555049aaaa188526ff7f51deb0a6f51f5f04abef75f3a5212bc7583c2506a [2021-11-07 01:07:25,849 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:07:25,887 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:07:25,889 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:07:25,890 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:07:25,891 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:07:25,892 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c [2021-11-07 01:07:25,962 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/bin/utaipan-UUZaoUuFF8/data/777eac58d/2f9b4bd60c704ee49a7b0841b5be5064/FLAGd33df60fd [2021-11-07 01:07:26,625 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:07:26,633 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c [2021-11-07 01:07:26,651 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/bin/utaipan-UUZaoUuFF8/data/777eac58d/2f9b4bd60c704ee49a7b0841b5be5064/FLAGd33df60fd [2021-11-07 01:07:26,920 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/bin/utaipan-UUZaoUuFF8/data/777eac58d/2f9b4bd60c704ee49a7b0841b5be5064 [2021-11-07 01:07:26,924 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:07:26,927 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:07:26,930 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:07:26,930 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:07:26,933 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:07:26,935 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:07:26" (1/1) ... [2021-11-07 01:07:26,937 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61672374 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:26, skipping insertion in model container [2021-11-07 01:07:26,937 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:07:26" (1/1) ... [2021-11-07 01:07:26,945 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:07:27,007 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:07:27,376 WARN L228 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_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c[17431,17444] [2021-11-07 01:07:27,378 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:07:27,393 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:07:27,402 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:07:27,470 WARN L228 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_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c[17431,17444] [2021-11-07 01:07:27,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:07:27,477 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:07:27,549 WARN L228 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_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c[17431,17444] [2021-11-07 01:07:27,549 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:07:27,568 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:07:27,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:27 WrapperNode [2021-11-07 01:07:27,569 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:07:27,570 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:07:27,570 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:07:27,570 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:07:27,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:27" (1/1) ... [2021-11-07 01:07:27,603 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:27" (1/1) ... [2021-11-07 01:07:27,640 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:07:27,641 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:07:27,641 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:07:27,642 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:07:27,650 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:27" (1/1) ... [2021-11-07 01:07:27,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:27" (1/1) ... [2021-11-07 01:07:27,655 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:27" (1/1) ... [2021-11-07 01:07:27,656 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:27" (1/1) ... [2021-11-07 01:07:27,666 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:27" (1/1) ... [2021-11-07 01:07:27,675 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:27" (1/1) ... [2021-11-07 01:07:27,677 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:27" (1/1) ... [2021-11-07 01:07:27,682 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:07:27,683 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:07:27,683 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:07:27,683 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:07:27,684 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:27" (1/1) ... [2021-11-07 01:07:27,710 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:07:27,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:07:27,746 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:07:27,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:07:27,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:07:27,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:07:27,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:07:27,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:07:29,902 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:07:29,902 INFO L299 CfgBuilder]: Removed 98 assume(true) statements. [2021-11-07 01:07:29,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:07:29 BoogieIcfgContainer [2021-11-07 01:07:29,905 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:07:29,907 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:07:29,907 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:07:29,910 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:07:29,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:07:26" (1/3) ... [2021-11-07 01:07:29,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33bbc7c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:07:29, skipping insertion in model container [2021-11-07 01:07:29,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:27" (2/3) ... [2021-11-07 01:07:29,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33bbc7c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:07:29, skipping insertion in model container [2021-11-07 01:07:29,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:07:29" (3/3) ... [2021-11-07 01:07:29,913 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product14.cil.c [2021-11-07 01:07:29,919 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:07:29,919 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-07 01:07:29,967 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:07:29,978 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 01:07:29,979 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-07 01:07:29,997 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 65 states have (on average 1.5692307692307692) internal successors, (102), 68 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:07:30,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-07 01:07:30,004 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:07:30,005 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:07:30,006 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:07:30,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:07:30,015 INFO L85 PathProgramCache]: Analyzing trace with hash 655576763, now seen corresponding path program 1 times [2021-11-07 01:07:30,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:07:30,031 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1706403240] [2021-11-07 01:07:30,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:07:30,032 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:07:30,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:07:30,035 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:07:30,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:07:30,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:07:30,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 01:07:30,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:07:30,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:07:30,365 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:07:30,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:07:30,436 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:07:30,437 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1706403240] [2021-11-07 01:07:30,437 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1706403240] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:07:30,437 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:07:30,438 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:07:30,439 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287405550] [2021-11-07 01:07:30,445 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 01:07:30,445 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:07:30,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 01:07:30,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:07:30,463 INFO L87 Difference]: Start difference. First operand has 69 states, 65 states have (on average 1.5692307692307692) internal successors, (102), 68 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:07:30,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:07:30,496 INFO L93 Difference]: Finished difference Result 132 states and 197 transitions. [2021-11-07 01:07:30,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 01:07:30,498 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-11-07 01:07:30,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:07:30,507 INFO L225 Difference]: With dead ends: 132 [2021-11-07 01:07:30,508 INFO L226 Difference]: Without dead ends: 65 [2021-11-07 01:07:30,511 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:07:30,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-11-07 01:07:30,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2021-11-07 01:07:30,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 62 states have (on average 1.4516129032258065) internal successors, (90), 64 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:07:30,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2021-11-07 01:07:30,563 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 90 transitions. Word has length 16 [2021-11-07 01:07:30,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:07:30,564 INFO L470 AbstractCegarLoop]: Abstraction has 65 states and 90 transitions. [2021-11-07 01:07:30,564 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:07:30,564 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2021-11-07 01:07:30,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-07 01:07:30,565 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:07:30,566 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:07:30,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:07:30,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:07:30,778 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:07:30,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:07:30,779 INFO L85 PathProgramCache]: Analyzing trace with hash -391180134, now seen corresponding path program 1 times [2021-11-07 01:07:30,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:07:30,780 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [17038565] [2021-11-07 01:07:30,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:07:30,781 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:07:30,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:07:30,782 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:07:30,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:07:30,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:07:30,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:07:30,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:07:31,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:07:31,043 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:07:31,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:07:31,105 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:07:31,105 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [17038565] [2021-11-07 01:07:31,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [17038565] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:07:31,106 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:07:31,106 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:07:31,106 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311434644] [2021-11-07 01:07:31,108 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:07:31,108 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:07:31,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:07:31,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:07:31,109 INFO L87 Difference]: Start difference. First operand 65 states and 90 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:07:31,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:07:31,137 INFO L93 Difference]: Finished difference Result 65 states and 90 transitions. [2021-11-07 01:07:31,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:07:31,137 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-07 01:07:31,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:07:31,140 INFO L225 Difference]: With dead ends: 65 [2021-11-07 01:07:31,141 INFO L226 Difference]: Without dead ends: 31 [2021-11-07 01:07:31,142 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:07:31,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-11-07 01:07:31,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-11-07 01:07:31,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.4333333333333333) internal successors, (43), 30 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:07:31,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2021-11-07 01:07:31,156 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 17 [2021-11-07 01:07:31,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:07:31,157 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2021-11-07 01:07:31,158 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:07:31,158 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2021-11-07 01:07:31,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-07 01:07:31,159 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:07:31,162 INFO L513 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] [2021-11-07 01:07:31,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:07:31,381 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:07:31,381 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:07:31,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:07:31,382 INFO L85 PathProgramCache]: Analyzing trace with hash 914910598, now seen corresponding path program 1 times [2021-11-07 01:07:31,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:07:31,383 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1783876280] [2021-11-07 01:07:31,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:07:31,383 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:07:31,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:07:31,385 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:07:31,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:07:31,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:07:31,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:07:31,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:07:31,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:07:31,664 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:07:31,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:07:31,738 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:07:31,739 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1783876280] [2021-11-07 01:07:31,739 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1783876280] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:07:31,739 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:07:31,740 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:07:31,740 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521529370] [2021-11-07 01:07:31,741 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:07:31,741 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:07:31,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:07:31,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:07:31,745 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:07:31,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:07:31,800 INFO L93 Difference]: Finished difference Result 56 states and 80 transitions. [2021-11-07 01:07:31,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:07:31,800 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-11-07 01:07:31,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:07:31,801 INFO L225 Difference]: With dead ends: 56 [2021-11-07 01:07:31,801 INFO L226 Difference]: Without dead ends: 31 [2021-11-07 01:07:31,802 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:07:31,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-11-07 01:07:31,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-11-07 01:07:31,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.4) internal successors, (42), 30 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:07:31,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2021-11-07 01:07:31,806 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 42 transitions. Word has length 22 [2021-11-07 01:07:31,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:07:31,807 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 42 transitions. [2021-11-07 01:07:31,807 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:07:31,807 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2021-11-07 01:07:31,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-07 01:07:31,808 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:07:31,808 INFO L513 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] [2021-11-07 01:07:31,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:07:32,009 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:07:32,009 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:07:32,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:07:32,010 INFO L85 PathProgramCache]: Analyzing trace with hash 927653314, now seen corresponding path program 1 times [2021-11-07 01:07:32,010 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:07:32,011 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1772071280] [2021-11-07 01:07:32,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:07:32,011 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:07:32,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:07:32,012 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:07:32,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:07:32,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:07:32,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:07:32,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:07:32,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:07:32,318 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:07:32,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:07:32,410 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:07:32,410 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1772071280] [2021-11-07 01:07:32,410 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1772071280] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:07:32,411 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:07:32,411 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 01:07:32,411 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413750073] [2021-11-07 01:07:32,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:07:32,411 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:07:32,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:07:32,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:07:32,412 INFO L87 Difference]: Start difference. First operand 31 states and 42 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:07:32,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:07:32,525 INFO L93 Difference]: Finished difference Result 132 states and 195 transitions. [2021-11-07 01:07:32,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 01:07:32,526 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-11-07 01:07:32,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:07:32,528 INFO L225 Difference]: With dead ends: 132 [2021-11-07 01:07:32,528 INFO L226 Difference]: Without dead ends: 107 [2021-11-07 01:07:32,528 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:07:32,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-11-07 01:07:32,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 52. [2021-11-07 01:07:32,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 51 states have (on average 1.411764705882353) internal successors, (72), 51 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:07:32,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 72 transitions. [2021-11-07 01:07:32,539 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 72 transitions. Word has length 23 [2021-11-07 01:07:32,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:07:32,539 INFO L470 AbstractCegarLoop]: Abstraction has 52 states and 72 transitions. [2021-11-07 01:07:32,539 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:07:32,540 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 72 transitions. [2021-11-07 01:07:32,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-07 01:07:32,541 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:07:32,541 INFO L513 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] [2021-11-07 01:07:32,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:07:32,753 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:07:32,753 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:07:32,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:07:32,754 INFO L85 PathProgramCache]: Analyzing trace with hash -1414455604, now seen corresponding path program 1 times [2021-11-07 01:07:32,754 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:07:32,754 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1455964603] [2021-11-07 01:07:32,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:07:32,755 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:07:32,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:07:32,756 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:07:32,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 01:07:32,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:07:32,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:07:32,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:07:33,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:07:33,068 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:07:33,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:07:33,119 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:07:33,123 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1455964603] [2021-11-07 01:07:33,123 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1455964603] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:07:33,124 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:07:33,124 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 01:07:33,124 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090387922] [2021-11-07 01:07:33,124 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:07:33,125 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:07:33,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:07:33,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:07:33,126 INFO L87 Difference]: Start difference. First operand 52 states and 72 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:07:33,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:07:33,208 INFO L93 Difference]: Finished difference Result 144 states and 209 transitions. [2021-11-07 01:07:33,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:07:33,209 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-07 01:07:33,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:07:33,209 INFO L225 Difference]: With dead ends: 144 [2021-11-07 01:07:33,209 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 01:07:33,210 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:07:33,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 01:07:33,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 01:07:33,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:07:33,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 01:07:33,212 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2021-11-07 01:07:33,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:07:33,212 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 01:07:33,212 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:07:33,212 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 01:07:33,213 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 01:07:33,215 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:07:33,215 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:07:33,216 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:07:33,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 01:07:33,428 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:07:33,431 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 01:07:33,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:33,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:33,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:33,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:33,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:33,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:33,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:33,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:33,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:33,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:33,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:33,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:33,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:33,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:33,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:33,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:33,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:33,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:33,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:33,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:33,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:33,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:33,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:33,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:33,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:33,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:33,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:33,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:33,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:33,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:33,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:33,835 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 900) no Hoare annotation was computed. [2021-11-07 01:07:33,835 INFO L857 garLoopResultBuilder]: For program point L878(lines 878 891) no Hoare annotation was computed. [2021-11-07 01:07:33,835 INFO L853 garLoopResultBuilder]: At program point L878-1(lines 1 903) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:07:33,835 INFO L857 garLoopResultBuilder]: For program point L878-2(lines 878 891) no Hoare annotation was computed. [2021-11-07 01:07:33,836 INFO L853 garLoopResultBuilder]: At program point L878-3(lines 1 903) the Hoare annotation is: false [2021-11-07 01:07:33,836 INFO L857 garLoopResultBuilder]: For program point L878-4(lines 878 891) no Hoare annotation was computed. [2021-11-07 01:07:33,836 INFO L853 garLoopResultBuilder]: At program point L878-5(lines 1 903) the Hoare annotation is: false [2021-11-07 01:07:33,836 INFO L857 garLoopResultBuilder]: For program point L680(lines 680 693) no Hoare annotation was computed. [2021-11-07 01:07:33,836 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 01:07:33,836 INFO L857 garLoopResultBuilder]: For program point L86(lines 86 90) no Hoare annotation was computed. [2021-11-07 01:07:33,836 INFO L853 garLoopResultBuilder]: At program point L698(lines 649 699) the Hoare annotation is: false [2021-11-07 01:07:33,836 INFO L860 garLoopResultBuilder]: At program point L634(lines 615 637) the Hoare annotation is: true [2021-11-07 01:07:33,837 INFO L853 garLoopResultBuilder]: At program point L601(lines 597 603) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:07:33,837 INFO L853 garLoopResultBuilder]: At program point L535(lines 530 538) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:07:33,837 INFO L857 garLoopResultBuilder]: For program point L882(lines 882 888) no Hoare annotation was computed. [2021-11-07 01:07:33,837 INFO L857 garLoopResultBuilder]: For program point L882-2(lines 882 888) no Hoare annotation was computed. [2021-11-07 01:07:33,837 INFO L857 garLoopResultBuilder]: For program point L750(lines 750 767) no Hoare annotation was computed. [2021-11-07 01:07:33,837 INFO L857 garLoopResultBuilder]: For program point L882-4(lines 882 888) no Hoare annotation was computed. [2021-11-07 01:07:33,837 INFO L857 garLoopResultBuilder]: For program point L750-1(lines 750 767) no Hoare annotation was computed. [2021-11-07 01:07:33,837 INFO L857 garLoopResultBuilder]: For program point L750-2(lines 750 767) no Hoare annotation was computed. [2021-11-07 01:07:33,838 INFO L857 garLoopResultBuilder]: For program point L651(lines 650 697) no Hoare annotation was computed. [2021-11-07 01:07:33,838 INFO L853 garLoopResultBuilder]: At program point L552-2(lines 552 566) the Hoare annotation is: false [2021-11-07 01:07:33,838 INFO L853 garLoopResultBuilder]: At program point L718(lines 717 736) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:07:33,838 INFO L857 garLoopResultBuilder]: For program point L718-1(lines 718 724) no Hoare annotation was computed. [2021-11-07 01:07:33,838 INFO L857 garLoopResultBuilder]: For program point L652(lines 652 656) no Hoare annotation was computed. [2021-11-07 01:07:33,838 INFO L853 garLoopResultBuilder]: At program point L718-2(lines 717 736) the Hoare annotation is: false [2021-11-07 01:07:33,838 INFO L853 garLoopResultBuilder]: At program point L718-3(lines 717 736) the Hoare annotation is: false [2021-11-07 01:07:33,839 INFO L857 garLoopResultBuilder]: For program point L74(lines 74 78) no Hoare annotation was computed. [2021-11-07 01:07:33,839 INFO L857 garLoopResultBuilder]: For program point L553(line 553) no Hoare annotation was computed. [2021-11-07 01:07:33,839 INFO L857 garLoopResultBuilder]: For program point L900(line 900) no Hoare annotation was computed. [2021-11-07 01:07:33,839 INFO L857 garLoopResultBuilder]: For program point L900-1(line 900) no Hoare annotation was computed. [2021-11-07 01:07:33,839 INFO L857 garLoopResultBuilder]: For program point L900-2(line 900) no Hoare annotation was computed. [2021-11-07 01:07:33,839 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 01:07:33,839 INFO L857 garLoopResultBuilder]: For program point L670(lines 670 676) no Hoare annotation was computed. [2021-11-07 01:07:33,839 INFO L853 garLoopResultBuilder]: At program point L670-1(lines 670 676) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:07:33,840 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 900) no Hoare annotation was computed. [2021-11-07 01:07:33,840 INFO L853 garLoopResultBuilder]: At program point L820(lines 815 823) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:07:33,840 INFO L853 garLoopResultBuilder]: At program point L820-1(lines 815 823) the Hoare annotation is: false [2021-11-07 01:07:33,840 INFO L857 garLoopResultBuilder]: For program point L754(lines 754 762) no Hoare annotation was computed. [2021-11-07 01:07:33,840 INFO L853 garLoopResultBuilder]: At program point L820-2(lines 815 823) the Hoare annotation is: false [2021-11-07 01:07:33,840 INFO L857 garLoopResultBuilder]: For program point L754-1(lines 754 762) no Hoare annotation was computed. [2021-11-07 01:07:33,840 INFO L857 garLoopResultBuilder]: For program point L688(lines 688 692) no Hoare annotation was computed. [2021-11-07 01:07:33,841 INFO L857 garLoopResultBuilder]: For program point L754-2(lines 754 762) no Hoare annotation was computed. [2021-11-07 01:07:33,841 INFO L853 garLoopResultBuilder]: At program point L688-2(lines 718 724) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:07:33,841 INFO L857 garLoopResultBuilder]: For program point L556(lines 556 560) no Hoare annotation was computed. [2021-11-07 01:07:33,841 INFO L857 garLoopResultBuilder]: For program point L556-1(lines 718 724) no Hoare annotation was computed. [2021-11-07 01:07:33,841 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 01:07:33,841 INFO L857 garLoopResultBuilder]: For program point L62(lines 62 66) no Hoare annotation was computed. [2021-11-07 01:07:33,841 INFO L857 garLoopResultBuilder]: For program point L62-3(lines 62 66) no Hoare annotation was computed. [2021-11-07 01:07:33,841 INFO L857 garLoopResultBuilder]: For program point L62-6(lines 62 66) no Hoare annotation was computed. [2021-11-07 01:07:33,842 INFO L857 garLoopResultBuilder]: For program point L625(lines 625 632) no Hoare annotation was computed. [2021-11-07 01:07:33,842 INFO L860 garLoopResultBuilder]: At program point L625-1(lines 625 632) the Hoare annotation is: true [2021-11-07 01:07:33,842 INFO L853 garLoopResultBuilder]: At program point L725(lines 725 731) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:07:33,842 INFO L853 garLoopResultBuilder]: At program point L725-1(lines 725 731) the Hoare annotation is: false [2021-11-07 01:07:33,842 INFO L853 garLoopResultBuilder]: At program point L725-2(lines 725 731) the Hoare annotation is: false [2021-11-07 01:07:33,842 INFO L853 garLoopResultBuilder]: At program point L527(lines 1 903) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:07:33,842 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 01:07:33,843 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 900) no Hoare annotation was computed. [2021-11-07 01:07:33,843 INFO L857 garLoopResultBuilder]: For program point L660(lines 660 666) no Hoare annotation was computed. [2021-11-07 01:07:33,843 INFO L853 garLoopResultBuilder]: At program point L660-1(lines 660 666) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:07:33,843 INFO L853 garLoopResultBuilder]: At program point L99(lines 94 102) the Hoare annotation is: false [2021-11-07 01:07:33,843 INFO L853 garLoopResultBuilder]: At program point L99-1(lines 94 102) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:07:33,843 INFO L853 garLoopResultBuilder]: At program point L99-2(lines 94 102) the Hoare annotation is: false [2021-11-07 01:07:33,850 INFO L853 garLoopResultBuilder]: At program point L99-3(lines 94 102) the Hoare annotation is: false [2021-11-07 01:07:33,851 INFO L853 garLoopResultBuilder]: At program point L99-4(lines 94 102) the Hoare annotation is: false [2021-11-07 01:07:33,851 INFO L853 garLoopResultBuilder]: At program point L99-5(lines 94 102) the Hoare annotation is: false [2021-11-07 01:07:33,851 INFO L853 garLoopResultBuilder]: At program point L811(lines 804 814) the Hoare annotation is: false [2021-11-07 01:07:33,851 INFO L853 garLoopResultBuilder]: At program point L811-1(lines 804 814) the Hoare annotation is: false [2021-11-07 01:07:33,852 INFO L853 garLoopResultBuilder]: At program point L811-2(lines 804 814) the Hoare annotation is: false [2021-11-07 01:07:33,855 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-07 01:07:33,856 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:07:33,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:07:33 BoogieIcfgContainer [2021-11-07 01:07:33,886 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:07:33,887 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:07:33,887 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:07:33,887 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:07:33,888 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:07:29" (3/4) ... [2021-11-07 01:07:33,891 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 01:07:33,920 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-11-07 01:07:33,921 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-07 01:07:33,922 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-07 01:07:33,922 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-07 01:07:33,923 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-07 01:07:33,924 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:07:33,924 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:07:33,956 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-11-07 01:07:34,011 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 01:07:34,011 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:07:34,012 INFO L168 Benchmark]: Toolchain (without parser) took 7084.68 ms. Allocated memory was 67.1 MB in the beginning and 90.2 MB in the end (delta: 23.1 MB). Free memory was 44.2 MB in the beginning and 64.0 MB in the end (delta: -19.8 MB). Peak memory consumption was 41.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:07:34,013 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 52.4 MB. Free memory is still 32.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:07:34,013 INFO L168 Benchmark]: CACSL2BoogieTranslator took 639.90 ms. Allocated memory is still 67.1 MB. Free memory was 44.0 MB in the beginning and 35.4 MB in the end (delta: 8.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:07:34,014 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.50 ms. Allocated memory is still 67.1 MB. Free memory was 35.4 MB in the beginning and 32.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:07:34,014 INFO L168 Benchmark]: Boogie Preprocessor took 40.81 ms. Allocated memory is still 67.1 MB. Free memory was 32.4 MB in the beginning and 30.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:07:34,015 INFO L168 Benchmark]: RCFGBuilder took 2222.15 ms. Allocated memory was 67.1 MB in the beginning and 90.2 MB in the end (delta: 23.1 MB). Free memory was 30.3 MB in the beginning and 62.6 MB in the end (delta: -32.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:07:34,015 INFO L168 Benchmark]: TraceAbstraction took 3979.47 ms. Allocated memory is still 90.2 MB. Free memory was 62.0 MB in the beginning and 30.0 MB in the end (delta: 32.0 MB). Peak memory consumption was 31.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:07:34,015 INFO L168 Benchmark]: Witness Printer took 123.91 ms. Allocated memory is still 90.2 MB. Free memory was 30.0 MB in the beginning and 64.0 MB in the end (delta: -34.1 MB). Peak memory consumption was 3.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:07:34,018 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 52.4 MB. Free memory is still 32.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 639.90 ms. Allocated memory is still 67.1 MB. Free memory was 44.0 MB in the beginning and 35.4 MB in the end (delta: 8.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 70.50 ms. Allocated memory is still 67.1 MB. Free memory was 35.4 MB in the beginning and 32.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 40.81 ms. Allocated memory is still 67.1 MB. Free memory was 32.4 MB in the beginning and 30.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2222.15 ms. Allocated memory was 67.1 MB in the beginning and 90.2 MB in the end (delta: 23.1 MB). Free memory was 30.3 MB in the beginning and 62.6 MB in the end (delta: -32.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3979.47 ms. Allocated memory is still 90.2 MB. Free memory was 62.0 MB in the beginning and 30.0 MB in the end (delta: 32.0 MB). Peak memory consumption was 31.2 MB. Max. memory is 16.1 GB. * Witness Printer took 123.91 ms. Allocated memory is still 90.2 MB. Free memory was 30.0 MB in the beginning and 64.0 MB in the end (delta: -34.1 MB). Peak memory consumption was 3.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 900]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 900]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 900]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 69 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 3.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 286 SDtfs, 365 SDslu, 233 SDs, 0 SdLazy, 53 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 202 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred in iteration=0, InterpolantAutomatonStates: 21, 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, 55 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 72 NumberOfFragments, 133 HoareAnnotationTreeSize, 31 FomulaSimplifications, 1334 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 31 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 194 ConstructedInterpolants, 0 QuantifiedInterpolants, 316 SizeOfPredicates, 7 NumberOfNonLiveVariables, 976 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 717]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 670]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 718]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 717]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 815]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 625]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 717]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 815]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 815]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-07 01:07:34,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb51426-4e9f-46df-bcd9-4d1d00274c2a/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE