./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77e314e-9837-4cce-bead-8a746acc9f04/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77e314e-9837-4cce-bead-8a746acc9f04/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77e314e-9837-4cce-bead-8a746acc9f04/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77e314e-9837-4cce-bead-8a746acc9f04/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77e314e-9837-4cce-bead-8a746acc9f04/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77e314e-9837-4cce-bead-8a746acc9f04/bin/utaipan-q2qaUkNPG8 --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 8f42eccc61d1255388ff7ebf96c2e2b48855489d ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77e314e-9837-4cce-bead-8a746acc9f04/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77e314e-9837-4cce-bead-8a746acc9f04/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77e314e-9837-4cce-bead-8a746acc9f04/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77e314e-9837-4cce-bead-8a746acc9f04/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77e314e-9837-4cce-bead-8a746acc9f04/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77e314e-9837-4cce-bead-8a746acc9f04/bin/utaipan-q2qaUkNPG8 --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 8f42eccc61d1255388ff7ebf96c2e2b48855489d ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 06:58:41,622 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 06:58:41,625 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 06:58:41,672 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 06:58:41,673 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 06:58:41,674 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 06:58:41,677 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 06:58:41,680 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 06:58:41,683 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 06:58:41,685 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 06:58:41,686 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 06:58:41,688 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 06:58:41,689 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 06:58:41,691 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 06:58:41,693 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 06:58:41,695 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 06:58:41,696 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 06:58:41,697 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 06:58:41,700 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 06:58:41,704 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 06:58:41,706 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 06:58:41,709 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 06:58:41,711 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 06:58:41,712 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 06:58:41,717 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 06:58:41,718 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 06:58:41,719 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 06:58:41,720 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 06:58:41,721 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 06:58:41,723 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 06:58:41,727 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 06:58:41,729 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 06:58:41,730 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 06:58:41,731 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 06:58:41,733 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 06:58:41,734 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 06:58:41,735 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 06:58:41,735 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 06:58:41,736 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 06:58:41,740 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 06:58:41,741 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 06:58:41,743 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77e314e-9837-4cce-bead-8a746acc9f04/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 06:58:41,801 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 06:58:41,801 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 06:58:41,802 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 06:58:41,802 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 06:58:41,803 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 06:58:41,803 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 06:58:41,803 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 06:58:41,806 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 06:58:41,806 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 06:58:41,806 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 06:58:41,807 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 06:58:41,808 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 06:58:41,808 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 06:58:41,808 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 06:58:41,808 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 06:58:41,809 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 06:58:41,810 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 06:58:41,810 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 06:58:41,810 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 06:58:41,810 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 06:58:41,811 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 06:58:41,811 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 06:58:41,811 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 06:58:41,812 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 06:58:41,812 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 06:58:41,812 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 06:58:41,812 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 06:58:41,813 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 06:58:41,813 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 06:58:41,815 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 06:58:41,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:58:41,815 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 06:58:41,816 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 06:58:41,816 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 06:58:41,816 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 06:58:41,816 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 06:58:41,817 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 06:58:41,817 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 06:58:41,817 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 06:58:41,817 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_f77e314e-9837-4cce-bead-8a746acc9f04/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77e314e-9837-4cce-bead-8a746acc9f04/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f42eccc61d1255388ff7ebf96c2e2b48855489d [2021-10-13 06:58:42,236 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 06:58:42,272 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 06:58:42,275 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 06:58:42,276 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 06:58:42,277 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 06:58:42,278 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77e314e-9837-4cce-bead-8a746acc9f04/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c [2021-10-13 06:58:42,375 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77e314e-9837-4cce-bead-8a746acc9f04/bin/utaipan-q2qaUkNPG8/data/819d33153/cd168da816154a599917d62b4a14dba4/FLAG6b9142283 [2021-10-13 06:58:43,103 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 06:58:43,104 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77e314e-9837-4cce-bead-8a746acc9f04/sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c [2021-10-13 06:58:43,118 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77e314e-9837-4cce-bead-8a746acc9f04/bin/utaipan-q2qaUkNPG8/data/819d33153/cd168da816154a599917d62b4a14dba4/FLAG6b9142283 [2021-10-13 06:58:43,335 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77e314e-9837-4cce-bead-8a746acc9f04/bin/utaipan-q2qaUkNPG8/data/819d33153/cd168da816154a599917d62b4a14dba4 [2021-10-13 06:58:43,338 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 06:58:43,339 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 06:58:43,350 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 06:58:43,351 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 06:58:43,354 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 06:58:43,355 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:58:43" (1/1) ... [2021-10-13 06:58:43,357 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ad1857e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:43, skipping insertion in model container [2021-10-13 06:58:43,357 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:58:43" (1/1) ... [2021-10-13 06:58:43,365 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 06:58:43,420 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 06:58:43,778 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_f77e314e-9837-4cce-bead-8a746acc9f04/sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c[16995,17008] [2021-10-13 06:58:43,781 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:58:43,792 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-13 06:58:43,792 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@56f69f4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:43, skipping insertion in model container [2021-10-13 06:58:43,793 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 06:58:43,793 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 06:58:43,795 INFO L168 Benchmark]: Toolchain (without parser) took 454.85 ms. Allocated memory was 81.8 MB in the beginning and 107.0 MB in the end (delta: 25.2 MB). Free memory was 46.7 MB in the beginning and 80.8 MB in the end (delta: -34.1 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. [2021-10-13 06:58:43,801 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 81.8 MB. Free memory was 51.9 MB in the beginning and 51.9 MB in the end (delta: 31.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 06:58:43,803 INFO L168 Benchmark]: CACSL2BoogieTranslator took 442.78 ms. Allocated memory was 81.8 MB in the beginning and 107.0 MB in the end (delta: 25.2 MB). Free memory was 46.6 MB in the beginning and 81.1 MB in the end (delta: -34.5 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. [2021-10-13 06:58:43,805 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 81.8 MB. Free memory was 51.9 MB in the beginning and 51.9 MB in the end (delta: 31.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 442.78 ms. Allocated memory was 81.8 MB in the beginning and 107.0 MB in the end (delta: 25.2 MB). Free memory was 46.6 MB in the beginning and 81.1 MB in the end (delta: -34.5 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 489]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 06:58:46,362 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 06:58:46,364 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 06:58:46,419 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 06:58:46,420 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 06:58:46,425 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 06:58:46,428 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 06:58:46,433 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 06:58:46,437 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 06:58:46,447 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 06:58:46,449 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 06:58:46,451 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 06:58:46,452 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 06:58:46,455 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 06:58:46,458 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 06:58:46,463 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 06:58:46,465 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 06:58:46,466 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 06:58:46,469 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 06:58:46,478 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 06:58:46,481 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 06:58:46,482 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 06:58:46,486 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 06:58:46,488 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 06:58:46,499 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 06:58:46,499 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 06:58:46,500 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 06:58:46,502 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 06:58:46,503 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 06:58:46,504 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 06:58:46,505 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 06:58:46,506 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 06:58:46,509 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 06:58:46,510 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 06:58:46,511 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 06:58:46,512 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 06:58:46,513 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 06:58:46,513 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 06:58:46,514 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 06:58:46,516 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 06:58:46,517 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 06:58:46,518 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77e314e-9837-4cce-bead-8a746acc9f04/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 06:58:46,563 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 06:58:46,564 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 06:58:46,565 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 06:58:46,565 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 06:58:46,565 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 06:58:46,566 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 06:58:46,566 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 06:58:46,566 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 06:58:46,566 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 06:58:46,567 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 06:58:46,568 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 06:58:46,568 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 06:58:46,568 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 06:58:46,568 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 06:58:46,569 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 06:58:46,569 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 06:58:46,569 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 06:58:46,570 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 06:58:46,570 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 06:58:46,570 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 06:58:46,570 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 06:58:46,571 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 06:58:46,571 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 06:58:46,571 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 06:58:46,571 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 06:58:46,572 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 06:58:46,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:58:46,572 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 06:58:46,573 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 06:58:46,573 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 06:58:46,573 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 06:58:46,573 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 06:58:46,574 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 06:58:46,574 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 06:58:46,574 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 06:58:46,574 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_f77e314e-9837-4cce-bead-8a746acc9f04/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77e314e-9837-4cce-bead-8a746acc9f04/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f42eccc61d1255388ff7ebf96c2e2b48855489d [2021-10-13 06:58:47,071 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 06:58:47,099 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 06:58:47,104 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 06:58:47,105 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 06:58:47,106 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 06:58:47,107 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77e314e-9837-4cce-bead-8a746acc9f04/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c [2021-10-13 06:58:47,196 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77e314e-9837-4cce-bead-8a746acc9f04/bin/utaipan-q2qaUkNPG8/data/4bab1a95c/f42fca5734434aa6a02ecccfc87109c9/FLAG6c977f580 [2021-10-13 06:58:47,823 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 06:58:47,824 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77e314e-9837-4cce-bead-8a746acc9f04/sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c [2021-10-13 06:58:47,850 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77e314e-9837-4cce-bead-8a746acc9f04/bin/utaipan-q2qaUkNPG8/data/4bab1a95c/f42fca5734434aa6a02ecccfc87109c9/FLAG6c977f580 [2021-10-13 06:58:48,112 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77e314e-9837-4cce-bead-8a746acc9f04/bin/utaipan-q2qaUkNPG8/data/4bab1a95c/f42fca5734434aa6a02ecccfc87109c9 [2021-10-13 06:58:48,120 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 06:58:48,122 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 06:58:48,128 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 06:58:48,128 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 06:58:48,132 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 06:58:48,134 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:58:48" (1/1) ... [2021-10-13 06:58:48,135 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2212f1d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:48, skipping insertion in model container [2021-10-13 06:58:48,135 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:58:48" (1/1) ... [2021-10-13 06:58:48,145 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 06:58:48,229 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 06:58:48,676 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_f77e314e-9837-4cce-bead-8a746acc9f04/sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c[16995,17008] [2021-10-13 06:58:48,679 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:58:48,696 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-13 06:58:48,713 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 06:58:48,792 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_f77e314e-9837-4cce-bead-8a746acc9f04/sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c[16995,17008] [2021-10-13 06:58:48,793 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:58:48,799 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 06:58:48,902 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_f77e314e-9837-4cce-bead-8a746acc9f04/sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c[16995,17008] [2021-10-13 06:58:48,903 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:58:48,928 INFO L208 MainTranslator]: Completed translation [2021-10-13 06:58:48,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:48 WrapperNode [2021-10-13 06:58:48,928 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 06:58:48,930 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 06:58:48,930 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 06:58:48,930 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 06:58:48,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:48" (1/1) ... [2021-10-13 06:58:48,971 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:48" (1/1) ... [2021-10-13 06:58:49,029 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 06:58:49,030 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 06:58:49,030 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 06:58:49,030 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 06:58:49,040 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:48" (1/1) ... [2021-10-13 06:58:49,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:48" (1/1) ... [2021-10-13 06:58:49,047 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:48" (1/1) ... [2021-10-13 06:58:49,047 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:48" (1/1) ... [2021-10-13 06:58:49,062 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:48" (1/1) ... [2021-10-13 06:58:49,070 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:48" (1/1) ... [2021-10-13 06:58:49,073 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:48" (1/1) ... [2021-10-13 06:58:49,078 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 06:58:49,079 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 06:58:49,079 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 06:58:49,079 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 06:58:49,080 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:48" (1/1) ... [2021-10-13 06:58:49,109 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:58:49,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77e314e-9837-4cce-bead-8a746acc9f04/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 06:58:49,153 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77e314e-9837-4cce-bead-8a746acc9f04/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 06:58:49,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77e314e-9837-4cce-bead-8a746acc9f04/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 06:58:49,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 06:58:49,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 06:58:49,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 06:58:49,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 06:58:51,783 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 06:58:51,783 INFO L299 CfgBuilder]: Removed 72 assume(true) statements. [2021-10-13 06:58:51,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:58:51 BoogieIcfgContainer [2021-10-13 06:58:51,785 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 06:58:51,788 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 06:58:51,788 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 06:58:51,791 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 06:58:51,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 06:58:48" (1/3) ... [2021-10-13 06:58:51,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19c1f0f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:58:51, skipping insertion in model container [2021-10-13 06:58:51,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:48" (2/3) ... [2021-10-13 06:58:51,793 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19c1f0f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:58:51, skipping insertion in model container [2021-10-13 06:58:51,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:58:51" (3/3) ... [2021-10-13 06:58:51,794 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product03.cil.c [2021-10-13 06:58:51,800 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 06:58:51,801 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-13 06:58:51,878 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 06:58:51,885 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, mConcurrency=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 [2021-10-13 06:58:51,886 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-13 06:58:51,904 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 59 states have (on average 1.5932203389830508) internal successors, (94), 62 states have internal predecessors, (94), 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) [2021-10-13 06:58:51,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-13 06:58:51,910 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:58:51,911 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:58:51,912 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 06:58:51,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:58:51,918 INFO L82 PathProgramCache]: Analyzing trace with hash 1847613332, now seen corresponding path program 1 times [2021-10-13 06:58:51,934 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:58:51,935 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [497330170] [2021-10-13 06:58:51,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:58:51,936 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:58:51,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77e314e-9837-4cce-bead-8a746acc9f04/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:58:51,942 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77e314e-9837-4cce-bead-8a746acc9f04/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:58:51,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77e314e-9837-4cce-bead-8a746acc9f04/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 06:58:52,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:58:52,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-13 06:58:52,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:58:52,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:58:52,331 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:58:52,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:58:52,413 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:58:52,414 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [497330170] [2021-10-13 06:58:52,415 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [497330170] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:58:52,415 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:58:52,416 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 06:58:52,417 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908008365] [2021-10-13 06:58:52,424 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 06:58:52,425 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:58:52,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 06:58:52,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 06:58:52,449 INFO L87 Difference]: Start difference. First operand has 63 states, 59 states have (on average 1.5932203389830508) internal successors, (94), 62 states have internal predecessors, (94), 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 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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) [2021-10-13 06:58:52,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:58:52,490 INFO L93 Difference]: Finished difference Result 119 states and 180 transitions. [2021-10-13 06:58:52,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 06:58:52,492 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 18 [2021-10-13 06:58:52,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:58:52,505 INFO L225 Difference]: With dead ends: 119 [2021-10-13 06:58:52,505 INFO L226 Difference]: Without dead ends: 59 [2021-10-13 06:58:52,510 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 06:58:52,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2021-10-13 06:58:52,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2021-10-13 06:58:52,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 56 states have (on average 1.4642857142857142) internal successors, (82), 58 states have internal predecessors, (82), 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) [2021-10-13 06:58:52,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 82 transitions. [2021-10-13 06:58:52,568 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 82 transitions. Word has length 18 [2021-10-13 06:58:52,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:58:52,569 INFO L470 AbstractCegarLoop]: Abstraction has 59 states and 82 transitions. [2021-10-13 06:58:52,569 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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) [2021-10-13 06:58:52,570 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2021-10-13 06:58:52,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-13 06:58:52,571 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:58:52,572 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:58:52,593 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77e314e-9837-4cce-bead-8a746acc9f04/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 06:58:52,793 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77e314e-9837-4cce-bead-8a746acc9f04/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:58:52,794 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 06:58:52,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:58:52,795 INFO L82 PathProgramCache]: Analyzing trace with hash -72020122, now seen corresponding path program 1 times [2021-10-13 06:58:52,796 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:58:52,796 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1918206997] [2021-10-13 06:58:52,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:58:52,797 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:58:52,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77e314e-9837-4cce-bead-8a746acc9f04/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:58:52,799 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77e314e-9837-4cce-bead-8a746acc9f04/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:58:52,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77e314e-9837-4cce-bead-8a746acc9f04/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 06:58:53,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:58:53,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 06:58:53,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:58:53,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:58:53,159 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:58:53,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:58:53,237 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:58:53,237 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1918206997] [2021-10-13 06:58:53,238 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1918206997] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:58:53,238 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:58:53,238 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 06:58:53,239 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307482517] [2021-10-13 06:58:53,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 06:58:53,240 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:58:53,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 06:58:53,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:58:53,242 INFO L87 Difference]: Start difference. First operand 59 states and 82 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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) [2021-10-13 06:58:53,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:58:53,256 INFO L93 Difference]: Finished difference Result 59 states and 82 transitions. [2021-10-13 06:58:53,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 06:58:53,257 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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 19 [2021-10-13 06:58:53,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:58:53,258 INFO L225 Difference]: With dead ends: 59 [2021-10-13 06:58:53,258 INFO L226 Difference]: Without dead ends: 31 [2021-10-13 06:58:53,259 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:58:53,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-10-13 06:58:53,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-10-13 06:58:53,264 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) [2021-10-13 06:58:53,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2021-10-13 06:58:53,266 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 19 [2021-10-13 06:58:53,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:58:53,266 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2021-10-13 06:58:53,266 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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) [2021-10-13 06:58:53,267 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2021-10-13 06:58:53,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 06:58:53,268 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:58:53,268 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:58:53,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77e314e-9837-4cce-bead-8a746acc9f04/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 06:58:53,483 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77e314e-9837-4cce-bead-8a746acc9f04/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:58:53,483 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 06:58:53,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:58:53,484 INFO L82 PathProgramCache]: Analyzing trace with hash 1370675903, now seen corresponding path program 1 times [2021-10-13 06:58:53,485 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:58:53,485 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [408505831] [2021-10-13 06:58:53,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:58:53,485 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:58:53,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77e314e-9837-4cce-bead-8a746acc9f04/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:58:53,487 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77e314e-9837-4cce-bead-8a746acc9f04/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:58:53,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77e314e-9837-4cce-bead-8a746acc9f04/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 06:58:53,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:58:53,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 06:58:53,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:58:53,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:58:53,839 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:58:53,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:58:53,948 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:58:53,949 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [408505831] [2021-10-13 06:58:53,949 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [408505831] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:58:53,949 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:58:53,950 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-13 06:58:53,950 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413699698] [2021-10-13 06:58:53,951 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 06:58:53,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:58:53,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 06:58:53,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:58:53,953 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 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) [2021-10-13 06:58:53,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:58:53,977 INFO L93 Difference]: Finished difference Result 103 states and 151 transitions. [2021-10-13 06:58:53,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 06:58:53,978 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 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 [2021-10-13 06:58:53,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:58:53,989 INFO L225 Difference]: With dead ends: 103 [2021-10-13 06:58:53,990 INFO L226 Difference]: Without dead ends: 79 [2021-10-13 06:58:53,990 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:58:53,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2021-10-13 06:58:54,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 51. [2021-10-13 06:58:54,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 50 states have (on average 1.48) internal successors, (74), 50 states have internal predecessors, (74), 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) [2021-10-13 06:58:54,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 74 transitions. [2021-10-13 06:58:54,003 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 74 transitions. Word has length 24 [2021-10-13 06:58:54,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:58:54,004 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 74 transitions. [2021-10-13 06:58:54,004 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 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) [2021-10-13 06:58:54,005 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 74 transitions. [2021-10-13 06:58:54,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 06:58:54,006 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:58:54,006 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:58:54,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77e314e-9837-4cce-bead-8a746acc9f04/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 06:58:54,221 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77e314e-9837-4cce-bead-8a746acc9f04/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:58:54,222 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 06:58:54,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:58:54,222 INFO L82 PathProgramCache]: Analyzing trace with hash 437212194, now seen corresponding path program 1 times [2021-10-13 06:58:54,223 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:58:54,224 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [873129258] [2021-10-13 06:58:54,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:58:54,224 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:58:54,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77e314e-9837-4cce-bead-8a746acc9f04/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:58:54,226 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77e314e-9837-4cce-bead-8a746acc9f04/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:58:54,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77e314e-9837-4cce-bead-8a746acc9f04/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-13 06:58:54,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:58:54,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 06:58:54,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:58:54,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:58:54,655 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:58:54,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:58:54,778 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:58:54,779 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [873129258] [2021-10-13 06:58:54,779 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [873129258] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:58:54,780 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:58:54,780 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-13 06:58:54,780 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890896909] [2021-10-13 06:58:54,781 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 06:58:54,781 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:58:54,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 06:58:54,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 06:58:54,783 INFO L87 Difference]: Start difference. First operand 51 states and 74 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 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) [2021-10-13 06:58:54,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:58:54,918 INFO L93 Difference]: Finished difference Result 219 states and 337 transitions. [2021-10-13 06:58:54,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 06:58:54,919 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 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 [2021-10-13 06:58:54,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:58:54,925 INFO L225 Difference]: With dead ends: 219 [2021-10-13 06:58:54,925 INFO L226 Difference]: Without dead ends: 175 [2021-10-13 06:58:54,927 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 55.1ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-13 06:58:54,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2021-10-13 06:58:54,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 87. [2021-10-13 06:58:54,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 86 states have (on average 1.4651162790697674) internal successors, (126), 86 states have internal predecessors, (126), 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) [2021-10-13 06:58:54,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 126 transitions. [2021-10-13 06:58:54,956 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 126 transitions. Word has length 24 [2021-10-13 06:58:54,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:58:54,957 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 126 transitions. [2021-10-13 06:58:54,957 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 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) [2021-10-13 06:58:54,957 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 126 transitions. [2021-10-13 06:58:54,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-13 06:58:54,959 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:58:54,959 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:58:54,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77e314e-9837-4cce-bead-8a746acc9f04/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-13 06:58:55,173 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77e314e-9837-4cce-bead-8a746acc9f04/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:58:55,174 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 06:58:55,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:58:55,174 INFO L82 PathProgramCache]: Analyzing trace with hash 1687550122, now seen corresponding path program 1 times [2021-10-13 06:58:55,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:58:55,175 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [54501392] [2021-10-13 06:58:55,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:58:55,176 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:58:55,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77e314e-9837-4cce-bead-8a746acc9f04/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:58:55,177 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77e314e-9837-4cce-bead-8a746acc9f04/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:58:55,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77e314e-9837-4cce-bead-8a746acc9f04/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-13 06:58:55,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:58:55,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 06:58:55,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:58:55,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:58:55,562 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:58:55,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:58:55,635 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:58:55,635 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [54501392] [2021-10-13 06:58:55,635 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [54501392] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:58:55,635 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:58:55,636 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-13 06:58:55,636 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088122493] [2021-10-13 06:58:55,637 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 06:58:55,637 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:58:55,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 06:58:55,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 06:58:55,638 INFO L87 Difference]: Start difference. First operand 87 states and 126 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 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) [2021-10-13 06:58:55,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:58:55,751 INFO L93 Difference]: Finished difference Result 271 states and 400 transitions. [2021-10-13 06:58:55,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 06:58:55,752 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 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 25 [2021-10-13 06:58:55,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:58:55,752 INFO L225 Difference]: With dead ends: 271 [2021-10-13 06:58:55,752 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 06:58:55,754 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 34.7ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 06:58:55,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 06:58:55,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 06:58:55,755 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) [2021-10-13 06:58:55,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 06:58:55,756 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2021-10-13 06:58:55,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:58:55,756 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 06:58:55,756 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 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) [2021-10-13 06:58:55,757 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 06:58:55,757 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 06:58:55,760 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:58:55,760 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:58:55,761 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:58:55,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77e314e-9837-4cce-bead-8a746acc9f04/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-13 06:58:55,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77e314e-9837-4cce-bead-8a746acc9f04/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:58:55,979 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 06:58:55,982 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:56,087 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:56,133 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:56,170 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:56,239 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:56,240 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:56,241 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:56,242 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:56,243 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:56,243 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:56,244 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:56,261 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:56,262 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:56,263 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:56,284 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:56,285 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:56,286 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:56,287 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:56,308 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:56,309 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:56,310 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:56,311 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:56,313 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:56,316 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:56,319 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:56,332 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:56,333 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:56,445 INFO L857 garLoopResultBuilder]: For program point L217(lines 217 230) no Hoare annotation was computed. [2021-10-13 06:58:56,445 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 871) no Hoare annotation was computed. [2021-10-13 06:58:56,445 INFO L853 garLoopResultBuilder]: At program point L118(lines 113 121) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 06:58:56,446 INFO L853 garLoopResultBuilder]: At program point L118-1(lines 113 121) the Hoare annotation is: false [2021-10-13 06:58:56,446 INFO L853 garLoopResultBuilder]: At program point L118-2(lines 113 121) the Hoare annotation is: false [2021-10-13 06:58:56,446 INFO L857 garLoopResultBuilder]: For program point L845(lines 845 862) no Hoare annotation was computed. [2021-10-13 06:58:56,446 INFO L853 garLoopResultBuilder]: At program point L845-1(lines 1 874) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 06:58:56,446 INFO L857 garLoopResultBuilder]: For program point L845-2(lines 845 862) no Hoare annotation was computed. [2021-10-13 06:58:56,446 INFO L853 garLoopResultBuilder]: At program point L845-3(lines 1 874) the Hoare annotation is: false [2021-10-13 06:58:56,447 INFO L857 garLoopResultBuilder]: For program point L845-4(lines 845 862) no Hoare annotation was computed. [2021-10-13 06:58:56,447 INFO L853 garLoopResultBuilder]: At program point L845-5(lines 1 874) the Hoare annotation is: false [2021-10-13 06:58:56,447 INFO L853 garLoopResultBuilder]: At program point L350(lines 1 874) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 06:58:56,447 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 06:58:56,447 INFO L857 garLoopResultBuilder]: For program point L251(lines 251 255) no Hoare annotation was computed. [2021-10-13 06:58:56,447 INFO L857 garLoopResultBuilder]: For program point L251-3(lines 251 255) no Hoare annotation was computed. [2021-10-13 06:58:56,448 INFO L857 garLoopResultBuilder]: For program point L251-6(lines 251 255) no Hoare annotation was computed. [2021-10-13 06:58:56,448 INFO L853 garLoopResultBuilder]: At program point L235(lines 186 236) the Hoare annotation is: false [2021-10-13 06:58:56,448 INFO L857 garLoopResultBuilder]: For program point L188(lines 187 234) no Hoare annotation was computed. [2021-10-13 06:58:56,448 INFO L857 garLoopResultBuilder]: For program point L849(lines 849 859) no Hoare annotation was computed. [2021-10-13 06:58:56,448 INFO L857 garLoopResultBuilder]: For program point L849-2(lines 849 859) no Hoare annotation was computed. [2021-10-13 06:58:56,449 INFO L857 garLoopResultBuilder]: For program point L849-4(lines 849 859) no Hoare annotation was computed. [2021-10-13 06:58:56,449 INFO L853 garLoopResultBuilder]: At program point L288(lines 283 291) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 06:58:56,449 INFO L853 garLoopResultBuilder]: At program point L288-1(lines 283 291) the Hoare annotation is: false [2021-10-13 06:58:56,450 INFO L853 garLoopResultBuilder]: At program point L288-2(lines 283 291) the Hoare annotation is: false [2021-10-13 06:58:56,450 INFO L857 garLoopResultBuilder]: For program point L189(lines 189 193) no Hoare annotation was computed. [2021-10-13 06:58:56,450 INFO L857 garLoopResultBuilder]: For program point L850(lines 850 856) no Hoare annotation was computed. [2021-10-13 06:58:56,450 INFO L857 garLoopResultBuilder]: For program point L850-2(lines 850 856) no Hoare annotation was computed. [2021-10-13 06:58:56,450 INFO L857 garLoopResultBuilder]: For program point L850-4(lines 850 856) no Hoare annotation was computed. [2021-10-13 06:58:56,451 INFO L853 garLoopResultBuilder]: At program point L834(lines 829 836) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 06:58:56,451 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 06:58:56,451 INFO L857 garLoopResultBuilder]: For program point L223(lines 223 229) no Hoare annotation was computed. [2021-10-13 06:58:56,451 INFO L853 garLoopResultBuilder]: At program point L223-1(lines 59 65) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 06:58:56,452 INFO L857 garLoopResultBuilder]: For program point L207(lines 207 213) no Hoare annotation was computed. [2021-10-13 06:58:56,452 INFO L853 garLoopResultBuilder]: At program point L207-1(lines 207 213) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 06:58:56,452 INFO L853 garLoopResultBuilder]: At program point L422(lines 418 424) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 06:58:56,452 INFO L853 garLoopResultBuilder]: At program point L59(lines 58 77) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 06:58:56,453 INFO L857 garLoopResultBuilder]: For program point L59-1(lines 59 65) no Hoare annotation was computed. [2021-10-13 06:58:56,453 INFO L853 garLoopResultBuilder]: At program point L59-2(lines 58 77) the Hoare annotation is: false [2021-10-13 06:58:56,453 INFO L853 garLoopResultBuilder]: At program point L59-3(lines 58 77) the Hoare annotation is: false [2021-10-13 06:58:56,453 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 871) no Hoare annotation was computed. [2021-10-13 06:58:56,454 INFO L860 garLoopResultBuilder]: At program point L456(lines 437 459) the Hoare annotation is: true [2021-10-13 06:58:56,454 INFO L853 garLoopResultBuilder]: At program point L374-2(lines 374 388) the Hoare annotation is: false [2021-10-13 06:58:56,454 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 279) no Hoare annotation was computed. [2021-10-13 06:58:56,454 INFO L853 garLoopResultBuilder]: At program point L358(lines 353 361) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 06:58:56,455 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 06:58:56,455 INFO L857 garLoopResultBuilder]: For program point L375(line 375) no Hoare annotation was computed. [2021-10-13 06:58:56,455 INFO L857 garLoopResultBuilder]: For program point L871(line 871) no Hoare annotation was computed. [2021-10-13 06:58:56,455 INFO L857 garLoopResultBuilder]: For program point L871-1(line 871) no Hoare annotation was computed. [2021-10-13 06:58:56,456 INFO L857 garLoopResultBuilder]: For program point L871-2(line 871) no Hoare annotation was computed. [2021-10-13 06:58:56,456 INFO L857 garLoopResultBuilder]: For program point L162(lines 162 168) no Hoare annotation was computed. [2021-10-13 06:58:56,456 INFO L853 garLoopResultBuilder]: At program point L162-1(lines 162 168) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 06:58:56,456 INFO L857 garLoopResultBuilder]: For program point L378(lines 378 382) no Hoare annotation was computed. [2021-10-13 06:58:56,457 INFO L857 garLoopResultBuilder]: For program point L378-1(lines 59 65) no Hoare annotation was computed. [2021-10-13 06:58:56,457 INFO L857 garLoopResultBuilder]: For program point L263(lines 263 267) no Hoare annotation was computed. [2021-10-13 06:58:56,457 INFO L857 garLoopResultBuilder]: For program point L197(lines 197 203) no Hoare annotation was computed. [2021-10-13 06:58:56,457 INFO L853 garLoopResultBuilder]: At program point L197-1(lines 197 203) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 06:58:56,457 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 06:58:56,458 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 871) no Hoare annotation was computed. [2021-10-13 06:58:56,458 INFO L853 garLoopResultBuilder]: At program point L66(lines 66 72) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 06:58:56,458 INFO L853 garLoopResultBuilder]: At program point L66-1(lines 66 72) the Hoare annotation is: false [2021-10-13 06:58:56,459 INFO L853 garLoopResultBuilder]: At program point L66-2(lines 66 72) the Hoare annotation is: false [2021-10-13 06:58:56,459 INFO L857 garLoopResultBuilder]: For program point L447(lines 447 454) no Hoare annotation was computed. [2021-10-13 06:58:56,459 INFO L860 garLoopResultBuilder]: At program point L447-1(lines 447 454) the Hoare annotation is: true [2021-10-13 06:58:56,464 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 06:58:56,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 06:58:56 BoogieIcfgContainer [2021-10-13 06:58:56,496 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 06:58:56,496 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 06:58:56,497 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 06:58:56,497 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 06:58:56,499 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:58:51" (3/4) ... [2021-10-13 06:58:56,502 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 06:58:56,526 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-13 06:58:56,528 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-13 06:58:56,528 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-13 06:58:56,529 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-13 06:58:56,529 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 06:58:56,530 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 06:58:56,533 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 06:58:56,570 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-10-13 06:58:56,629 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77e314e-9837-4cce-bead-8a746acc9f04/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 06:58:56,630 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 06:58:56,631 INFO L168 Benchmark]: Toolchain (without parser) took 8508.09 ms. Allocated memory was 58.7 MB in the beginning and 94.4 MB in the end (delta: 35.7 MB). Free memory was 35.5 MB in the beginning and 57.8 MB in the end (delta: -22.3 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. [2021-10-13 06:58:56,632 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 58.7 MB. Free memory was 39.6 MB in the beginning and 39.5 MB in the end (delta: 44.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 06:58:56,633 INFO L168 Benchmark]: CACSL2BoogieTranslator took 801.02 ms. Allocated memory is still 58.7 MB. Free memory was 35.3 MB in the beginning and 27.7 MB in the end (delta: 7.7 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. [2021-10-13 06:58:56,634 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.20 ms. Allocated memory was 58.7 MB in the beginning and 77.6 MB in the end (delta: 18.9 MB). Free memory was 27.7 MB in the beginning and 59.7 MB in the end (delta: -32.1 MB). Peak memory consumption was 3.0 MB. Max. memory is 16.1 GB. [2021-10-13 06:58:56,635 INFO L168 Benchmark]: Boogie Preprocessor took 48.19 ms. Allocated memory is still 77.6 MB. Free memory was 59.7 MB in the beginning and 57.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 06:58:56,635 INFO L168 Benchmark]: RCFGBuilder took 2706.73 ms. Allocated memory is still 77.6 MB. Free memory was 57.6 MB in the beginning and 29.6 MB in the end (delta: 28.0 MB). Peak memory consumption was 27.2 MB. Max. memory is 16.1 GB. [2021-10-13 06:58:56,636 INFO L168 Benchmark]: TraceAbstraction took 4708.23 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 29.1 MB in the beginning and 63.3 MB in the end (delta: -34.2 MB). Peak memory consumption was 12.1 MB. Max. memory is 16.1 GB. [2021-10-13 06:58:56,636 INFO L168 Benchmark]: Witness Printer took 133.17 ms. Allocated memory is still 94.4 MB. Free memory was 63.3 MB in the beginning and 57.8 MB in the end (delta: 5.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 06:58:56,644 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 58.7 MB. Free memory was 39.6 MB in the beginning and 39.5 MB in the end (delta: 44.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 801.02 ms. Allocated memory is still 58.7 MB. Free memory was 35.3 MB in the beginning and 27.7 MB in the end (delta: 7.7 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 99.20 ms. Allocated memory was 58.7 MB in the beginning and 77.6 MB in the end (delta: 18.9 MB). Free memory was 27.7 MB in the beginning and 59.7 MB in the end (delta: -32.1 MB). Peak memory consumption was 3.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 48.19 ms. Allocated memory is still 77.6 MB. Free memory was 59.7 MB in the beginning and 57.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2706.73 ms. Allocated memory is still 77.6 MB. Free memory was 57.6 MB in the beginning and 29.6 MB in the end (delta: 28.0 MB). Peak memory consumption was 27.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4708.23 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 29.1 MB in the beginning and 63.3 MB in the end (delta: -34.2 MB). Peak memory consumption was 12.1 MB. Max. memory is 16.1 GB. * Witness Printer took 133.17 ms. Allocated memory is still 94.4 MB. Free memory was 63.3 MB in the beginning and 57.8 MB in the end (delta: 5.5 MB). Peak memory consumption was 4.2 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, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 871]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 871]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 871]: 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, 63 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 4587.7ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 17.5ms, AutomataDifference: 404.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 467.1ms, InitialAbstractionConstructionTime: 12.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 287 SDtfs, 355 SDslu, 331 SDs, 0 SdLazy, 45 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 89.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 218 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 111.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=4, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 89.8ms AutomataMinimizationTime, 5 MinimizatonAttempts, 116 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 27 LocationsWithAnnotation, 27 PreInvPairs, 113 NumberOfFragments, 120 HoareAnnotationTreeSize, 27 FomulaSimplifications, 3757 FormulaSimplificationTreeSizeReduction, 352.2ms HoareSimplificationTime, 27 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 105.8ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 154.8ms SsaConstructionTime, 697.3ms SatisfiabilityAnalysisTime, 1109.3ms InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 210 ConstructedInterpolants, 0 QuantifiedInterpolants, 398 SizeOfPredicates, 7 NumberOfNonLiveVariables, 986 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: 207]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 374]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-13 06:58:56,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77e314e-9837-4cce-bead-8a746acc9f04/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...