./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4e0a7b-33c9-4255-9cf9-061b4020d852/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4e0a7b-33c9-4255-9cf9-061b4020d852/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4e0a7b-33c9-4255-9cf9-061b4020d852/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4e0a7b-33c9-4255-9cf9-061b4020d852/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4e0a7b-33c9-4255-9cf9-061b4020d852/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4e0a7b-33c9-4255-9cf9-061b4020d852/bin/utaipan-WLngWcDbfI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash abdaf7d039f72f53757ac3024ed39e407d16dbdb ............................................................................................................................................ 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_3a4e0a7b-33c9-4255-9cf9-061b4020d852/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4e0a7b-33c9-4255-9cf9-061b4020d852/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4e0a7b-33c9-4255-9cf9-061b4020d852/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4e0a7b-33c9-4255-9cf9-061b4020d852/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4e0a7b-33c9-4255-9cf9-061b4020d852/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4e0a7b-33c9-4255-9cf9-061b4020d852/bin/utaipan-WLngWcDbfI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash abdaf7d039f72f53757ac3024ed39e407d16dbdb ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:20:25,557 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:20:25,560 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:20:25,594 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:20:25,595 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:20:25,596 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:20:25,598 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:20:25,601 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:20:25,604 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:20:25,605 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:20:25,606 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:20:25,608 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:20:25,609 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:20:25,610 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:20:25,612 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:20:25,614 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:20:25,615 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:20:25,617 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:20:25,620 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:20:25,623 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:20:25,625 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:20:25,627 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:20:25,629 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:20:25,631 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:20:25,635 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:20:25,635 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:20:25,636 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:20:25,637 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:20:25,638 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:20:25,640 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:20:25,640 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:20:25,642 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:20:25,643 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:20:25,644 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:20:25,646 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:20:25,646 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:20:25,647 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:20:25,648 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:20:25,649 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:20:25,650 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:20:25,651 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:20:25,652 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4e0a7b-33c9-4255-9cf9-061b4020d852/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:20:25,680 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:20:25,681 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:20:25,682 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:20:25,682 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:20:25,683 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:20:25,683 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:20:25,683 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:20:25,684 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:20:25,684 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:20:25,689 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:20:25,689 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:20:25,690 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:20:25,690 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:20:25,690 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:20:25,691 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:20:25,692 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:20:25,692 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:20:25,692 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:20:25,693 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:20:25,693 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:20:25,693 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:20:25,695 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:20:25,695 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:20:25,695 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:20:25,696 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:20:25,696 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:20:25,696 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:20:25,696 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:20:25,697 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:20:25,699 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:20:25,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:20:25,700 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:20:25,700 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:20:25,700 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:20:25,701 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:20:25,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:20:25,702 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:20:25,703 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:20:25,703 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:20:25,703 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_3a4e0a7b-33c9-4255-9cf9-061b4020d852/bin/utaipan-WLngWcDbfI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4e0a7b-33c9-4255-9cf9-061b4020d852/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> abdaf7d039f72f53757ac3024ed39e407d16dbdb [2021-10-11 02:20:25,991 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:20:26,024 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:20:26,029 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:20:26,032 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:20:26,037 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:20:26,038 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4e0a7b-33c9-4255-9cf9-061b4020d852/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c [2021-10-11 02:20:26,105 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4e0a7b-33c9-4255-9cf9-061b4020d852/bin/utaipan-WLngWcDbfI/data/3111fbb48/18d62c80ea554e4e9812cf10ddaecab6/FLAG3c11fa66c [2021-10-11 02:20:26,656 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:20:26,656 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4e0a7b-33c9-4255-9cf9-061b4020d852/sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c [2021-10-11 02:20:26,670 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4e0a7b-33c9-4255-9cf9-061b4020d852/bin/utaipan-WLngWcDbfI/data/3111fbb48/18d62c80ea554e4e9812cf10ddaecab6/FLAG3c11fa66c [2021-10-11 02:20:26,954 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4e0a7b-33c9-4255-9cf9-061b4020d852/bin/utaipan-WLngWcDbfI/data/3111fbb48/18d62c80ea554e4e9812cf10ddaecab6 [2021-10-11 02:20:26,957 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:20:26,960 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:20:26,965 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:20:26,965 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:20:26,969 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:20:26,970 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:20:26" (1/1) ... [2021-10-11 02:20:26,978 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@440f8b61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:26, skipping insertion in model container [2021-10-11 02:20:26,979 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:20:26" (1/1) ... [2021-10-11 02:20:26,986 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:20:27,044 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:20:27,368 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4e0a7b-33c9-4255-9cf9-061b4020d852/sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c[12699,12712] [2021-10-11 02:20:27,424 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:20:27,445 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-11 02:20:27,446 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6923184 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:27, skipping insertion in model container [2021-10-11 02:20:27,447 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:20:27,447 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:20:27,450 INFO L168 Benchmark]: Toolchain (without parser) took 488.59 ms. Allocated memory is still 132.1 MB. Free memory was 94.0 MB in the beginning and 103.3 MB in the end (delta: -9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:27,452 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 132.1 MB. Free memory was 105.0 MB in the beginning and 105.0 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:20:27,454 INFO L168 Benchmark]: CACSL2BoogieTranslator took 482.28 ms. Allocated memory is still 132.1 MB. Free memory was 94.0 MB in the beginning and 103.3 MB in the end (delta: -9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:27,456 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 132.1 MB. Free memory was 105.0 MB in the beginning and 105.0 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 482.28 ms. Allocated memory is still 132.1 MB. Free memory was 94.0 MB in the beginning and 103.3 MB in the end (delta: -9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 99]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:20:29,709 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:20:29,712 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:20:29,744 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:20:29,744 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:20:29,746 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:20:29,748 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:20:29,751 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:20:29,753 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:20:29,755 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:20:29,756 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:20:29,758 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:20:29,759 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:20:29,760 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:20:29,762 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:20:29,763 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:20:29,764 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:20:29,766 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:20:29,768 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:20:29,771 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:20:29,773 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:20:29,775 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:20:29,776 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:20:29,778 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:20:29,782 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:20:29,782 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:20:29,783 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:20:29,784 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:20:29,785 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:20:29,786 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:20:29,786 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:20:29,787 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:20:29,789 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:20:29,790 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:20:29,791 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:20:29,792 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:20:29,793 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:20:29,793 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:20:29,793 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:20:29,794 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:20:29,795 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:20:29,798 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4e0a7b-33c9-4255-9cf9-061b4020d852/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:20:29,841 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:20:29,842 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:20:29,843 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:20:29,843 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:20:29,860 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:20:29,861 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:20:29,861 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:20:29,861 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:20:29,861 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:20:29,863 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:20:29,863 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:20:29,863 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:20:29,863 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:20:29,864 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:20:29,868 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:20:29,869 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:20:29,869 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:20:29,869 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:20:29,870 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:20:29,870 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:20:29,870 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:20:29,870 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:20:29,871 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:20:29,871 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:20:29,871 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:20:29,871 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:20:29,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:20:29,872 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:20:29,872 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:20:29,872 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:20:29,873 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:20:29,873 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:20:29,873 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:20:29,873 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:20:29,874 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:20:29,874 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_3a4e0a7b-33c9-4255-9cf9-061b4020d852/bin/utaipan-WLngWcDbfI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4e0a7b-33c9-4255-9cf9-061b4020d852/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> abdaf7d039f72f53757ac3024ed39e407d16dbdb [2021-10-11 02:20:30,213 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:20:30,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:20:30,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:20:30,247 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:20:30,248 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:20:30,249 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4e0a7b-33c9-4255-9cf9-061b4020d852/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c [2021-10-11 02:20:30,333 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4e0a7b-33c9-4255-9cf9-061b4020d852/bin/utaipan-WLngWcDbfI/data/626716f82/fdae32ac2fe348e79853d362415dfae8/FLAGa85d1ea1e [2021-10-11 02:20:30,946 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:20:30,956 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4e0a7b-33c9-4255-9cf9-061b4020d852/sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c [2021-10-11 02:20:30,972 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4e0a7b-33c9-4255-9cf9-061b4020d852/bin/utaipan-WLngWcDbfI/data/626716f82/fdae32ac2fe348e79853d362415dfae8/FLAGa85d1ea1e [2021-10-11 02:20:31,231 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4e0a7b-33c9-4255-9cf9-061b4020d852/bin/utaipan-WLngWcDbfI/data/626716f82/fdae32ac2fe348e79853d362415dfae8 [2021-10-11 02:20:31,235 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:20:31,237 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:20:31,242 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:20:31,242 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:20:31,246 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:20:31,248 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:20:31" (1/1) ... [2021-10-11 02:20:31,254 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3287ab71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:31, skipping insertion in model container [2021-10-11 02:20:31,255 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:20:31" (1/1) ... [2021-10-11 02:20:31,263 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:20:31,329 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:20:31,636 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4e0a7b-33c9-4255-9cf9-061b4020d852/sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c[12699,12712] [2021-10-11 02:20:31,682 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:20:31,697 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:20:31,705 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:20:31,811 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4e0a7b-33c9-4255-9cf9-061b4020d852/sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c[12699,12712] [2021-10-11 02:20:31,867 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:20:31,878 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:20:31,955 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4e0a7b-33c9-4255-9cf9-061b4020d852/sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c[12699,12712] [2021-10-11 02:20:31,986 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:20:32,033 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:20:32,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:32 WrapperNode [2021-10-11 02:20:32,034 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:20:32,036 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:20:32,036 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:20:32,036 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:20:32,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:32" (1/1) ... [2021-10-11 02:20:32,078 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:32" (1/1) ... [2021-10-11 02:20:32,131 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:20:32,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:20:32,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:20:32,134 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:20:32,142 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:32" (1/1) ... [2021-10-11 02:20:32,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:32" (1/1) ... [2021-10-11 02:20:32,160 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:32" (1/1) ... [2021-10-11 02:20:32,165 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:32" (1/1) ... [2021-10-11 02:20:32,175 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:32" (1/1) ... [2021-10-11 02:20:32,194 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:32" (1/1) ... [2021-10-11 02:20:32,200 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:32" (1/1) ... [2021-10-11 02:20:32,209 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:20:32,211 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:20:32,214 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:20:32,214 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:20:32,215 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:32" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4e0a7b-33c9-4255-9cf9-061b4020d852/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:20:32,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:20:32,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:20:32,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:20:32,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:20:34,804 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:20:34,804 INFO L299 CfgBuilder]: Removed 96 assume(true) statements. [2021-10-11 02:20:34,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:20:34 BoogieIcfgContainer [2021-10-11 02:20:34,806 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:20:34,808 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:20:34,809 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:20:34,812 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:20:34,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:20:31" (1/3) ... [2021-10-11 02:20:34,813 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f38c2fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:20:34, skipping insertion in model container [2021-10-11 02:20:34,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:32" (2/3) ... [2021-10-11 02:20:34,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f38c2fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:20:34, skipping insertion in model container [2021-10-11 02:20:34,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:20:34" (3/3) ... [2021-10-11 02:20:34,816 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product17.cil.c [2021-10-11 02:20:34,831 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:20:34,835 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:20:34,847 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:20:34,873 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:20:34,873 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:20:34,873 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:20:34,874 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:20:34,874 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:20:34,874 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:20:34,874 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:20:34,874 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:20:34,889 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2021-10-11 02:20:34,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 02:20:34,895 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:34,896 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:20:34,896 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:20:34,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:34,907 INFO L82 PathProgramCache]: Analyzing trace with hash -695057112, now seen corresponding path program 1 times [2021-10-11 02:20:34,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:20:34,921 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1357190984] [2021-10-11 02:20:34,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4e0a7b-33c9-4255-9cf9-061b4020d852/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2021-10-11 02:20:35,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:20:35,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:20:35,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:20:35,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:20:35,187 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:20:35,188 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1357190984] [2021-10-11 02:20:35,188 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:20:35,189 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:20:35,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519739601] [2021-10-11 02:20:35,194 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:20:35,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:20:35,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:20:35,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:20:35,210 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2021-10-11 02:20:35,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:20:35,237 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2021-10-11 02:20:35,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:20:35,238 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 02:20:35,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:20:35,249 INFO L225 Difference]: With dead ends: 144 [2021-10-11 02:20:35,250 INFO L226 Difference]: Without dead ends: 71 [2021-10-11 02:20:35,253 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:20:35,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-10-11 02:20:35,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-10-11 02:20:35,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2021-10-11 02:20:35,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2021-10-11 02:20:35,298 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 16 [2021-10-11 02:20:35,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:20:35,299 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2021-10-11 02:20:35,299 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:20:35,299 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2021-10-11 02:20:35,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 02:20:35,301 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:35,301 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:20:35,518 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:20:35,519 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:20:35,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:35,519 INFO L82 PathProgramCache]: Analyzing trace with hash -1741814009, now seen corresponding path program 1 times [2021-10-11 02:20:35,520 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:20:35,520 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1475872207] [2021-10-11 02:20:35,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4e0a7b-33c9-4255-9cf9-061b4020d852/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2021-10-11 02:20:35,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:20:35,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:20:35,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:20:35,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:20:35,811 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:20:35,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1475872207] [2021-10-11 02:20:35,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:20:35,812 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:20:35,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210251809] [2021-10-11 02:20:35,814 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:20:35,814 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:20:35,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:20:35,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:20:35,817 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 3 states. [2021-10-11 02:20:35,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:20:35,842 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2021-10-11 02:20:35,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:20:35,844 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 02:20:35,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:20:35,846 INFO L225 Difference]: With dead ends: 71 [2021-10-11 02:20:35,847 INFO L226 Difference]: Without dead ends: 33 [2021-10-11 02:20:35,848 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:20:35,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-11 02:20:35,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-11 02:20:35,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2021-10-11 02:20:35,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2021-10-11 02:20:35,859 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2021-10-11 02:20:35,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:20:35,864 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2021-10-11 02:20:35,864 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:20:35,864 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2021-10-11 02:20:35,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 02:20:35,865 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:35,866 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:20:36,086 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:20:36,087 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:20:36,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:36,088 INFO L82 PathProgramCache]: Analyzing trace with hash 379655789, now seen corresponding path program 1 times [2021-10-11 02:20:36,088 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:20:36,094 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1772020389] [2021-10-11 02:20:36,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4e0a7b-33c9-4255-9cf9-061b4020d852/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2021-10-11 02:20:36,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:20:36,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:20:36,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:20:36,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:20:36,353 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:20:36,361 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1772020389] [2021-10-11 02:20:36,361 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:20:36,361 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:20:36,362 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397072181] [2021-10-11 02:20:36,362 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:20:36,362 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:20:36,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:20:36,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:20:36,369 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 3 states. [2021-10-11 02:20:36,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:20:36,389 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2021-10-11 02:20:36,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:20:36,389 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2021-10-11 02:20:36,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:20:36,390 INFO L225 Difference]: With dead ends: 60 [2021-10-11 02:20:36,390 INFO L226 Difference]: Without dead ends: 33 [2021-10-11 02:20:36,391 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:20:36,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-11 02:20:36,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-11 02:20:36,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2021-10-11 02:20:36,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2021-10-11 02:20:36,396 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 22 [2021-10-11 02:20:36,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:20:36,397 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2021-10-11 02:20:36,397 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:20:36,397 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2021-10-11 02:20:36,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-11 02:20:36,398 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:36,398 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:20:36,598 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:20:36,599 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:20:36,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:36,599 INFO L82 PathProgramCache]: Analyzing trace with hash -2095114328, now seen corresponding path program 1 times [2021-10-11 02:20:36,600 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:20:36,600 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [111173198] [2021-10-11 02:20:36,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4e0a7b-33c9-4255-9cf9-061b4020d852/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2021-10-11 02:20:36,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:20:36,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:20:36,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:20:36,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:20:36,886 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:20:36,886 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [111173198] [2021-10-11 02:20:36,887 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:20:36,887 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:20:36,887 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784777636] [2021-10-11 02:20:36,888 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:20:36,888 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:20:36,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:20:36,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:20:36,891 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 5 states. [2021-10-11 02:20:37,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:20:37,024 INFO L93 Difference]: Finished difference Result 151 states and 223 transitions. [2021-10-11 02:20:37,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 02:20:37,025 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2021-10-11 02:20:37,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:20:37,027 INFO L225 Difference]: With dead ends: 151 [2021-10-11 02:20:37,027 INFO L226 Difference]: Without dead ends: 124 [2021-10-11 02:20:37,028 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:20:37,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2021-10-11 02:20:37,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 56. [2021-10-11 02:20:37,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2021-10-11 02:20:37,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 78 transitions. [2021-10-11 02:20:37,041 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 78 transitions. Word has length 23 [2021-10-11 02:20:37,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:20:37,042 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 78 transitions. [2021-10-11 02:20:37,042 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:20:37,042 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 78 transitions. [2021-10-11 02:20:37,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:20:37,043 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:37,043 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:20:37,259 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:20:37,260 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:20:37,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:37,260 INFO L82 PathProgramCache]: Analyzing trace with hash -142255950, now seen corresponding path program 1 times [2021-10-11 02:20:37,261 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:20:37,261 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [873899971] [2021-10-11 02:20:37,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4e0a7b-33c9-4255-9cf9-061b4020d852/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2021-10-11 02:20:37,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:20:37,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:20:37,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:20:37,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:20:37,518 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:20:37,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [873899971] [2021-10-11 02:20:37,518 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:20:37,518 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:20:37,519 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877643694] [2021-10-11 02:20:37,519 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:20:37,519 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:20:37,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:20:37,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:20:37,520 INFO L87 Difference]: Start difference. First operand 56 states and 78 transitions. Second operand 5 states. [2021-10-11 02:20:37,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:20:37,630 INFO L93 Difference]: Finished difference Result 148 states and 215 transitions. [2021-10-11 02:20:37,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:20:37,631 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2021-10-11 02:20:37,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:20:37,632 INFO L225 Difference]: With dead ends: 148 [2021-10-11 02:20:37,632 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:20:37,633 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:20:37,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:20:37,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:20:37,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:20:37,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:20:37,634 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2021-10-11 02:20:37,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:20:37,634 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:20:37,634 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:20:37,635 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:20:37,635 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:20:37,851 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:20:37,852 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:20:38,179 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 545) no Hoare annotation was computed. [2021-10-11 02:20:38,179 INFO L262 CegarLoopResult]: For program point L696(lines 696 700) no Hoare annotation was computed. [2021-10-11 02:20:38,179 INFO L262 CegarLoopResult]: For program point L696-2(lines 696 700) no Hoare annotation was computed. [2021-10-11 02:20:38,179 INFO L262 CegarLoopResult]: For program point L696-3(lines 696 700) no Hoare annotation was computed. [2021-10-11 02:20:38,179 INFO L262 CegarLoopResult]: For program point L696-5(lines 696 700) no Hoare annotation was computed. [2021-10-11 02:20:38,179 INFO L262 CegarLoopResult]: For program point L696-6(lines 696 700) no Hoare annotation was computed. [2021-10-11 02:20:38,179 INFO L262 CegarLoopResult]: For program point L696-8(lines 696 700) no Hoare annotation was computed. [2021-10-11 02:20:38,180 INFO L258 CegarLoopResult]: At program point L647(lines 642 650) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:20:38,180 INFO L258 CegarLoopResult]: At program point L647-1(lines 642 650) the Hoare annotation is: false [2021-10-11 02:20:38,180 INFO L258 CegarLoopResult]: At program point L647-2(lines 642 650) the Hoare annotation is: false [2021-10-11 02:20:38,180 INFO L258 CegarLoopResult]: At program point L449-2(lines 449 463) the Hoare annotation is: false [2021-10-11 02:20:38,180 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:20:38,180 INFO L262 CegarLoopResult]: For program point L598(lines 598 606) no Hoare annotation was computed. [2021-10-11 02:20:38,180 INFO L262 CegarLoopResult]: For program point L53(lines 53 66) no Hoare annotation was computed. [2021-10-11 02:20:38,180 INFO L262 CegarLoopResult]: For program point L598-1(lines 598 606) no Hoare annotation was computed. [2021-10-11 02:20:38,181 INFO L258 CegarLoopResult]: At program point L53-1(lines 1 895) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:20:38,182 INFO L262 CegarLoopResult]: For program point L598-2(lines 598 606) no Hoare annotation was computed. [2021-10-11 02:20:38,182 INFO L262 CegarLoopResult]: For program point L53-2(lines 53 66) no Hoare annotation was computed. [2021-10-11 02:20:38,183 INFO L258 CegarLoopResult]: At program point L53-3(lines 1 895) the Hoare annotation is: false [2021-10-11 02:20:38,183 INFO L262 CegarLoopResult]: For program point L53-4(lines 53 66) no Hoare annotation was computed. [2021-10-11 02:20:38,183 INFO L258 CegarLoopResult]: At program point L53-5(lines 1 895) the Hoare annotation is: false [2021-10-11 02:20:38,183 INFO L262 CegarLoopResult]: For program point L714(lines 714 718) no Hoare annotation was computed. [2021-10-11 02:20:38,184 INFO L262 CegarLoopResult]: For program point L714-3(lines 714 718) no Hoare annotation was computed. [2021-10-11 02:20:38,184 INFO L262 CegarLoopResult]: For program point L714-6(lines 714 718) no Hoare annotation was computed. [2021-10-11 02:20:38,184 INFO L262 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2021-10-11 02:20:38,184 INFO L258 CegarLoopResult]: At program point L500(lines 496 502) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:20:38,185 INFO L262 CegarLoopResult]: For program point L453(lines 453 457) no Hoare annotation was computed. [2021-10-11 02:20:38,185 INFO L262 CegarLoopResult]: For program point L453-1(lines 562 568) no Hoare annotation was computed. [2021-10-11 02:20:38,185 INFO L258 CegarLoopResult]: At program point L569(lines 569 575) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:20:38,186 INFO L262 CegarLoopResult]: For program point L57(lines 57 63) no Hoare annotation was computed. [2021-10-11 02:20:38,186 INFO L258 CegarLoopResult]: At program point L569-1(lines 569 575) the Hoare annotation is: false [2021-10-11 02:20:38,186 INFO L265 CegarLoopResult]: At program point L536(lines 517 539) the Hoare annotation is: true [2021-10-11 02:20:38,186 INFO L262 CegarLoopResult]: For program point L57-2(lines 57 63) no Hoare annotation was computed. [2021-10-11 02:20:38,186 INFO L258 CegarLoopResult]: At program point L569-2(lines 569 575) the Hoare annotation is: false [2021-10-11 02:20:38,186 INFO L262 CegarLoopResult]: For program point L57-4(lines 57 63) no Hoare annotation was computed. [2021-10-11 02:20:38,186 INFO L262 CegarLoopResult]: For program point L817(lines 817 823) no Hoare annotation was computed. [2021-10-11 02:20:38,186 INFO L258 CegarLoopResult]: At program point L817-1(lines 817 823) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:20:38,187 INFO L258 CegarLoopResult]: At program point L751(lines 746 754) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:20:38,187 INFO L258 CegarLoopResult]: At program point L751-1(lines 746 754) the Hoare annotation is: false [2021-10-11 02:20:38,187 INFO L258 CegarLoopResult]: At program point L751-2(lines 746 754) the Hoare annotation is: false [2021-10-11 02:20:38,187 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:20:38,187 INFO L258 CegarLoopResult]: At program point L702(lines 687 705) the Hoare annotation is: false [2021-10-11 02:20:38,187 INFO L258 CegarLoopResult]: At program point L702-1(lines 687 705) the Hoare annotation is: false [2021-10-11 02:20:38,187 INFO L258 CegarLoopResult]: At program point L702-2(lines 687 705) the Hoare annotation is: false [2021-10-11 02:20:38,187 INFO L258 CegarLoopResult]: At program point L884(lines 1 895) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:20:38,188 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 545) no Hoare annotation was computed. [2021-10-11 02:20:38,188 INFO L258 CegarLoopResult]: At program point L853(lines 806 854) the Hoare annotation is: false [2021-10-11 02:20:38,188 INFO L262 CegarLoopResult]: For program point L837(lines 837 848) no Hoare annotation was computed. [2021-10-11 02:20:38,188 INFO L262 CegarLoopResult]: For program point L738(lines 738 742) no Hoare annotation was computed. [2021-10-11 02:20:38,188 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:20:38,188 INFO L262 CegarLoopResult]: For program point L527(lines 527 534) no Hoare annotation was computed. [2021-10-11 02:20:38,188 INFO L265 CegarLoopResult]: At program point L527-1(lines 527 534) the Hoare annotation is: true [2021-10-11 02:20:38,188 INFO L262 CegarLoopResult]: For program point L808(lines 807 852) no Hoare annotation was computed. [2021-10-11 02:20:38,188 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:20:38,189 INFO L258 CegarLoopResult]: At program point L792(lines 787 795) the Hoare annotation is: false [2021-10-11 02:20:38,189 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 545) no Hoare annotation was computed. [2021-10-11 02:20:38,189 INFO L258 CegarLoopResult]: At program point L792-1(lines 787 795) the Hoare annotation is: false [2021-10-11 02:20:38,189 INFO L262 CegarLoopResult]: For program point L726(lines 726 730) no Hoare annotation was computed. [2021-10-11 02:20:38,189 INFO L258 CegarLoopResult]: At program point L792-2(lines 787 795) the Hoare annotation is: false [2021-10-11 02:20:38,190 INFO L262 CegarLoopResult]: For program point L594(lines 594 611) no Hoare annotation was computed. [2021-10-11 02:20:38,191 INFO L262 CegarLoopResult]: For program point L594-1(lines 594 611) no Hoare annotation was computed. [2021-10-11 02:20:38,191 INFO L262 CegarLoopResult]: For program point L594-2(lines 594 611) no Hoare annotation was computed. [2021-10-11 02:20:38,191 INFO L262 CegarLoopResult]: For program point L809(lines 809 813) no Hoare annotation was computed. [2021-10-11 02:20:38,191 INFO L262 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2021-10-11 02:20:38,191 INFO L262 CegarLoopResult]: For program point L545-1(line 545) no Hoare annotation was computed. [2021-10-11 02:20:38,191 INFO L262 CegarLoopResult]: For program point L545-2(line 545) no Hoare annotation was computed. [2021-10-11 02:20:38,192 INFO L258 CegarLoopResult]: At program point L892(lines 887 895) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:20:38,192 INFO L258 CegarLoopResult]: At program point L562(lines 561 580) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:20:38,192 INFO L262 CegarLoopResult]: For program point L562-1(lines 562 568) no Hoare annotation was computed. [2021-10-11 02:20:38,192 INFO L258 CegarLoopResult]: At program point L562-2(lines 561 580) the Hoare annotation is: false [2021-10-11 02:20:38,193 INFO L258 CegarLoopResult]: At program point L562-3(lines 561 580) the Hoare annotation is: false [2021-10-11 02:20:38,194 INFO L262 CegarLoopResult]: For program point L843(lines 843 847) no Hoare annotation was computed. [2021-10-11 02:20:38,194 INFO L262 CegarLoopResult]: For program point L843-2(lines 562 568) no Hoare annotation was computed. [2021-10-11 02:20:38,194 INFO L262 CegarLoopResult]: For program point L827(lines 827 833) no Hoare annotation was computed. [2021-10-11 02:20:38,195 INFO L258 CegarLoopResult]: At program point L827-1(lines 827 833) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:20:38,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:20:38 BoogieIcfgContainer [2021-10-11 02:20:38,234 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:20:38,234 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:20:38,235 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:20:38,235 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:20:38,235 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:20:34" (3/4) ... [2021-10-11 02:20:38,238 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:20:38,265 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:20:38,266 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:20:38,266 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:20:38,267 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:20:38,268 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:20:38,268 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:20:38,269 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:20:38,305 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2021-10-11 02:20:38,382 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4e0a7b-33c9-4255-9cf9-061b4020d852/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:20:38,382 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:20:38,384 INFO L168 Benchmark]: Toolchain (without parser) took 7145.52 ms. Allocated memory was 58.7 MB in the beginning and 92.3 MB in the end (delta: 33.6 MB). Free memory was 36.3 MB in the beginning and 35.9 MB in the end (delta: 470.1 kB). Peak memory consumption was 34.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:38,385 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 58.7 MB. Free memory is still 40.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:20:38,385 INFO L168 Benchmark]: CACSL2BoogieTranslator took 792.84 ms. Allocated memory was 58.7 MB in the beginning and 75.5 MB in the end (delta: 16.8 MB). Free memory was 36.1 MB in the beginning and 48.1 MB in the end (delta: -11.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:38,386 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.66 ms. Allocated memory is still 75.5 MB. Free memory was 48.1 MB in the beginning and 45.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:38,386 INFO L168 Benchmark]: Boogie Preprocessor took 77.77 ms. Allocated memory is still 75.5 MB. Free memory was 45.2 MB in the beginning and 42.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:38,387 INFO L168 Benchmark]: RCFGBuilder took 2595.53 ms. Allocated memory is still 75.5 MB. Free memory was 42.8 MB in the beginning and 34.3 MB in the end (delta: 8.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:38,387 INFO L168 Benchmark]: TraceAbstraction took 3425.61 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 33.8 MB in the beginning and 42.2 MB in the end (delta: -8.3 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:38,388 INFO L168 Benchmark]: Witness Printer took 147.99 ms. Allocated memory is still 92.3 MB. Free memory was 42.2 MB in the beginning and 35.9 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:38,391 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 58.7 MB. Free memory is still 40.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 792.84 ms. Allocated memory was 58.7 MB in the beginning and 75.5 MB in the end (delta: 16.8 MB). Free memory was 36.1 MB in the beginning and 48.1 MB in the end (delta: -11.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 95.66 ms. Allocated memory is still 75.5 MB. Free memory was 48.1 MB in the beginning and 45.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 77.77 ms. Allocated memory is still 75.5 MB. Free memory was 45.2 MB in the beginning and 42.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2595.53 ms. Allocated memory is still 75.5 MB. Free memory was 42.8 MB in the beginning and 34.3 MB in the end (delta: 8.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3425.61 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 33.8 MB in the beginning and 42.2 MB in the end (delta: -8.3 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. * Witness Printer took 147.99 ms. Allocated memory is still 92.3 MB. Free memory was 42.2 MB in the beginning and 35.9 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 545]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 545]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 545]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 806]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 642]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 887]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 642]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 642]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 311 SDtfs, 313 SDslu, 264 SDs, 0 SdLazy, 39 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 105 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 68 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 30 PreInvPairs, 65 NumberOfFragments, 143 HoareAnnotationTreeSize, 30 FomulaSimplifications, 1193 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 30 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 4417 SizeOfPredicates, 7 NumberOfNonLiveVariables, 973 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...