./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product12.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_321836ca-f4c1-480a-8b1a-8f4d45f2fee2/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321836ca-f4c1-480a-8b1a-8f4d45f2fee2/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_321836ca-f4c1-480a-8b1a-8f4d45f2fee2/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321836ca-f4c1-480a-8b1a-8f4d45f2fee2/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product12.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321836ca-f4c1-480a-8b1a-8f4d45f2fee2/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_321836ca-f4c1-480a-8b1a-8f4d45f2fee2/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 15efa77def43d479206e17bb9981463db781c0a6 ............................................................................................................................................ 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_321836ca-f4c1-480a-8b1a-8f4d45f2fee2/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321836ca-f4c1-480a-8b1a-8f4d45f2fee2/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_321836ca-f4c1-480a-8b1a-8f4d45f2fee2/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321836ca-f4c1-480a-8b1a-8f4d45f2fee2/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product12.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321836ca-f4c1-480a-8b1a-8f4d45f2fee2/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_321836ca-f4c1-480a-8b1a-8f4d45f2fee2/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 15efa77def43d479206e17bb9981463db781c0a6 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 02:22:11,596 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:22:11,599 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:22:11,658 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:22:11,659 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:22:11,665 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:22:11,669 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:22:11,674 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:22:11,678 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:22:11,686 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:22:11,688 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:22:11,689 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:22:11,690 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:22:11,694 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:22:11,695 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:22:11,698 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:22:11,700 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:22:11,702 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:22:11,708 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:22:11,715 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:22:11,718 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:22:11,719 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:22:11,723 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:22:11,724 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:22:11,731 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:22:11,731 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:22:11,732 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:22:11,734 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:22:11,735 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:22:11,736 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:22:11,737 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:22:11,738 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:22:11,740 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:22:11,742 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:22:11,743 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:22:11,743 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:22:11,744 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:22:11,745 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:22:11,745 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:22:11,746 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:22:11,747 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:22:11,750 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321836ca-f4c1-480a-8b1a-8f4d45f2fee2/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:22:11,799 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:22:11,799 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:22:11,800 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:22:11,801 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:22:11,801 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:22:11,801 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:22:11,801 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:22:11,802 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:22:11,802 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:22:11,809 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:22:11,809 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:22:11,809 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:22:11,810 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:22:11,810 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:22:11,810 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:22:11,811 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:22:11,811 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:22:11,811 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:22:11,811 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:22:11,812 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:22:11,812 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:22:11,812 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:22:11,812 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:22:11,812 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:22:11,813 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:22:11,813 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:22:11,813 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:22:11,813 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:22:11,814 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:22:11,814 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:22:11,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:22:11,814 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:22:11,815 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:22:11,815 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:22:11,815 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:22:11,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:22:11,816 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:22:11,816 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:22:11,816 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:22:11,816 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_321836ca-f4c1-480a-8b1a-8f4d45f2fee2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321836ca-f4c1-480a-8b1a-8f4d45f2fee2/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15efa77def43d479206e17bb9981463db781c0a6 [2021-10-11 02:22:12,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:22:12,151 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:22:12,154 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:22:12,155 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:22:12,158 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:22:12,159 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321836ca-f4c1-480a-8b1a-8f4d45f2fee2/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec4_product12.cil.c [2021-10-11 02:22:12,262 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321836ca-f4c1-480a-8b1a-8f4d45f2fee2/bin/utaipan-WLngWcDbfI/data/8fb63fc7a/ef8bf094c7be4e72b4a739408e7f5a30/FLAGf84062aa2 [2021-10-11 02:22:12,846 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:22:12,847 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321836ca-f4c1-480a-8b1a-8f4d45f2fee2/sv-benchmarks/c/product-lines/minepump_spec4_product12.cil.c [2021-10-11 02:22:12,859 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321836ca-f4c1-480a-8b1a-8f4d45f2fee2/bin/utaipan-WLngWcDbfI/data/8fb63fc7a/ef8bf094c7be4e72b4a739408e7f5a30/FLAGf84062aa2 [2021-10-11 02:22:13,114 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321836ca-f4c1-480a-8b1a-8f4d45f2fee2/bin/utaipan-WLngWcDbfI/data/8fb63fc7a/ef8bf094c7be4e72b4a739408e7f5a30 [2021-10-11 02:22:13,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:22:13,121 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:22:13,126 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:22:13,126 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:22:13,130 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:22:13,132 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:22:13" (1/1) ... [2021-10-11 02:22:13,140 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62c768e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:13, skipping insertion in model container [2021-10-11 02:22:13,141 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:22:13" (1/1) ... [2021-10-11 02:22:13,150 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:22:13,229 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:22:13,631 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_321836ca-f4c1-480a-8b1a-8f4d45f2fee2/sv-benchmarks/c/product-lines/minepump_spec4_product12.cil.c[16910,16923] [2021-10-11 02:22:13,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:22:13,664 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 02:22:13,665 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3c87e865 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:13, skipping insertion in model container [2021-10-11 02:22:13,665 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:22:13,666 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:22:13,670 INFO L168 Benchmark]: Toolchain (without parser) took 546.13 ms. Allocated memory is still 94.4 MB. Free memory was 72.2 MB in the beginning and 66.6 MB in the end (delta: 5.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:13,671 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 94.4 MB. Free memory is still 68.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:22:13,673 INFO L168 Benchmark]: CACSL2BoogieTranslator took 540.25 ms. Allocated memory is still 94.4 MB. Free memory was 72.2 MB in the beginning and 66.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:13,677 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 94.4 MB. Free memory is still 68.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 540.25 ms. Allocated memory is still 94.4 MB. Free memory was 72.2 MB in the beginning and 66.8 MB in the end (delta: 5.4 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: 542]: 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 02:22:16,376 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:22:16,380 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:22:16,438 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:22:16,439 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:22:16,444 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:22:16,447 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:22:16,452 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:22:16,456 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:22:16,463 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:22:16,468 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:22:16,470 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:22:16,470 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:22:16,474 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:22:16,476 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:22:16,478 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:22:16,480 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:22:16,484 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:22:16,487 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:22:16,496 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:22:16,499 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:22:16,500 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:22:16,504 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:22:16,506 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:22:16,518 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:22:16,519 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:22:16,520 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:22:16,522 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:22:16,523 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:22:16,524 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:22:16,525 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:22:16,526 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:22:16,528 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:22:16,529 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:22:16,531 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:22:16,531 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:22:16,532 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:22:16,533 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:22:16,533 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:22:16,535 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:22:16,536 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:22:16,537 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321836ca-f4c1-480a-8b1a-8f4d45f2fee2/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:22:16,585 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:22:16,585 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:22:16,587 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:22:16,587 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:22:16,587 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:22:16,588 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:22:16,588 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:22:16,589 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:22:16,589 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:22:16,591 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:22:16,592 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:22:16,592 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:22:16,593 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:22:16,593 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:22:16,593 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:22:16,594 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:22:16,594 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:22:16,594 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:22:16,595 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:22:16,595 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:22:16,595 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:22:16,596 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:22:16,596 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:22:16,596 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:22:16,597 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:22:16,597 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:22:16,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:22:16,598 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:22:16,598 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:22:16,598 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:22:16,599 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:22:16,599 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:22:16,600 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:22:16,600 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:22:16,600 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:22:16,601 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_321836ca-f4c1-480a-8b1a-8f4d45f2fee2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321836ca-f4c1-480a-8b1a-8f4d45f2fee2/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15efa77def43d479206e17bb9981463db781c0a6 [2021-10-11 02:22:17,007 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:22:17,043 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:22:17,046 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:22:17,047 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:22:17,048 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:22:17,052 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321836ca-f4c1-480a-8b1a-8f4d45f2fee2/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec4_product12.cil.c [2021-10-11 02:22:17,136 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321836ca-f4c1-480a-8b1a-8f4d45f2fee2/bin/utaipan-WLngWcDbfI/data/96723b0a5/caabdf7a7a5641e3a35380497048b205/FLAG3e80357c3 [2021-10-11 02:22:17,818 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:22:17,819 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321836ca-f4c1-480a-8b1a-8f4d45f2fee2/sv-benchmarks/c/product-lines/minepump_spec4_product12.cil.c [2021-10-11 02:22:17,838 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321836ca-f4c1-480a-8b1a-8f4d45f2fee2/bin/utaipan-WLngWcDbfI/data/96723b0a5/caabdf7a7a5641e3a35380497048b205/FLAG3e80357c3 [2021-10-11 02:22:18,112 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321836ca-f4c1-480a-8b1a-8f4d45f2fee2/bin/utaipan-WLngWcDbfI/data/96723b0a5/caabdf7a7a5641e3a35380497048b205 [2021-10-11 02:22:18,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:22:18,120 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:22:18,122 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:22:18,122 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:22:18,126 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:22:18,128 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:22:18" (1/1) ... [2021-10-11 02:22:18,130 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d1b732d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:18, skipping insertion in model container [2021-10-11 02:22:18,130 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:22:18" (1/1) ... [2021-10-11 02:22:18,139 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:22:18,191 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:22:18,592 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_321836ca-f4c1-480a-8b1a-8f4d45f2fee2/sv-benchmarks/c/product-lines/minepump_spec4_product12.cil.c[16910,16923] [2021-10-11 02:22:18,604 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:22:18,628 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:22:18,657 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:22:18,744 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_321836ca-f4c1-480a-8b1a-8f4d45f2fee2/sv-benchmarks/c/product-lines/minepump_spec4_product12.cil.c[16910,16923] [2021-10-11 02:22:18,745 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:22:18,758 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:22:18,851 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_321836ca-f4c1-480a-8b1a-8f4d45f2fee2/sv-benchmarks/c/product-lines/minepump_spec4_product12.cil.c[16910,16923] [2021-10-11 02:22:18,851 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:22:18,908 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:22:18,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:18 WrapperNode [2021-10-11 02:22:18,909 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:22:18,911 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:22:18,911 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:22:18,911 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:22:18,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:18" (1/1) ... [2021-10-11 02:22:18,955 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:18" (1/1) ... [2021-10-11 02:22:19,016 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:22:19,020 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:22:19,021 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:22:19,021 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:22:19,032 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:18" (1/1) ... [2021-10-11 02:22:19,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:18" (1/1) ... [2021-10-11 02:22:19,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:18" (1/1) ... [2021-10-11 02:22:19,057 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:18" (1/1) ... [2021-10-11 02:22:19,070 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:18" (1/1) ... [2021-10-11 02:22:19,089 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:18" (1/1) ... [2021-10-11 02:22:19,102 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:18" (1/1) ... [2021-10-11 02:22:19,111 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:22:19,113 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:22:19,114 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:22:19,114 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:22:19,115 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:18" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321836ca-f4c1-480a-8b1a-8f4d45f2fee2/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 02:22:19,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:22:19,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:22:19,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:22:19,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:22:22,111 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:22:22,112 INFO L299 CfgBuilder]: Removed 72 assume(true) statements. [2021-10-11 02:22:22,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:22:22 BoogieIcfgContainer [2021-10-11 02:22:22,114 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:22:22,116 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:22:22,116 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:22:22,120 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:22:22,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:22:18" (1/3) ... [2021-10-11 02:22:22,121 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4aa5946d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:22:22, skipping insertion in model container [2021-10-11 02:22:22,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:18" (2/3) ... [2021-10-11 02:22:22,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4aa5946d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:22:22, skipping insertion in model container [2021-10-11 02:22:22,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:22:22" (3/3) ... [2021-10-11 02:22:22,124 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product12.cil.c [2021-10-11 02:22:22,141 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:22:22,146 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:22:22,159 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:22:22,189 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:22:22,189 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:22:22,190 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:22:22,190 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:22:22,190 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:22:22,190 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:22:22,190 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:22:22,191 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:22:22,207 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2021-10-11 02:22:22,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 02:22:22,213 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:22,214 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:22:22,215 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:22,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:22,222 INFO L82 PathProgramCache]: Analyzing trace with hash 476294846, now seen corresponding path program 1 times [2021-10-11 02:22:22,241 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:22,242 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1561280860] [2021-10-11 02:22:22,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321836ca-f4c1-480a-8b1a-8f4d45f2fee2/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 02:22:22,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:22,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:22:22,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:22,657 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 02:22:22,658 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:22,659 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1561280860] [2021-10-11 02:22:22,659 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:22,660 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:22:22,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039469850] [2021-10-11 02:22:22,675 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:22:22,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:22,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:22:22,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:22:22,704 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 2 states. [2021-10-11 02:22:22,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:22,743 INFO L93 Difference]: Finished difference Result 112 states and 167 transitions. [2021-10-11 02:22:22,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:22:22,744 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 02:22:22,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:22,753 INFO L225 Difference]: With dead ends: 112 [2021-10-11 02:22:22,753 INFO L226 Difference]: Without dead ends: 55 [2021-10-11 02:22:22,757 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 02:22:22,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-10-11 02:22:22,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-10-11 02:22:22,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2021-10-11 02:22:22,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 75 transitions. [2021-10-11 02:22:22,807 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 75 transitions. Word has length 16 [2021-10-11 02:22:22,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:22,808 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 75 transitions. [2021-10-11 02:22:22,808 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:22:22,809 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2021-10-11 02:22:22,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 02:22:22,811 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:22,811 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 02:22:23,034 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:22:23,035 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:23,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:23,036 INFO L82 PathProgramCache]: Analyzing trace with hash -570462051, now seen corresponding path program 1 times [2021-10-11 02:22:23,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:23,037 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [787684691] [2021-10-11 02:22:23,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321836ca-f4c1-480a-8b1a-8f4d45f2fee2/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 02:22:23,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:23,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:22:23,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:23,346 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 02:22:23,347 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:23,347 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [787684691] [2021-10-11 02:22:23,347 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:23,347 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:22:23,348 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112578468] [2021-10-11 02:22:23,351 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:22:23,351 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:23,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:22:23,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:22:23,354 INFO L87 Difference]: Start difference. First operand 55 states and 75 transitions. Second operand 3 states. [2021-10-11 02:22:23,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:23,378 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2021-10-11 02:22:23,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:22:23,380 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 02:22:23,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:23,384 INFO L225 Difference]: With dead ends: 55 [2021-10-11 02:22:23,384 INFO L226 Difference]: Without dead ends: 29 [2021-10-11 02:22:23,386 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 02:22:23,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-10-11 02:22:23,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2021-10-11 02:22:23,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-10-11 02:22:23,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2021-10-11 02:22:23,401 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 17 [2021-10-11 02:22:23,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:23,406 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2021-10-11 02:22:23,407 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:22:23,407 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2021-10-11 02:22:23,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 02:22:23,409 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:23,409 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 02:22:23,627 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:22:23,628 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:23,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:23,629 INFO L82 PathProgramCache]: Analyzing trace with hash -1160602349, now seen corresponding path program 1 times [2021-10-11 02:22:23,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:23,630 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1296129193] [2021-10-11 02:22:23,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321836ca-f4c1-480a-8b1a-8f4d45f2fee2/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 02:22:23,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:23,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:22:23,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:23,888 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 02:22:23,888 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:23,896 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1296129193] [2021-10-11 02:22:23,896 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:23,897 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:22:23,897 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000364316] [2021-10-11 02:22:23,898 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:22:23,898 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:23,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:22:23,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:22:23,904 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 3 states. [2021-10-11 02:22:23,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:23,961 INFO L93 Difference]: Finished difference Result 75 states and 108 transitions. [2021-10-11 02:22:23,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:22:23,962 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2021-10-11 02:22:23,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:23,965 INFO L225 Difference]: With dead ends: 75 [2021-10-11 02:22:23,965 INFO L226 Difference]: Without dead ends: 52 [2021-10-11 02:22:23,965 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 02:22:23,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2021-10-11 02:22:23,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 48. [2021-10-11 02:22:23,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2021-10-11 02:22:23,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2021-10-11 02:22:23,999 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 22 [2021-10-11 02:22:23,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:24,000 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2021-10-11 02:22:24,000 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:22:24,000 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2021-10-11 02:22:24,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 02:22:24,001 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:24,002 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 02:22:24,216 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:22:24,216 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:24,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:24,217 INFO L82 PathProgramCache]: Analyzing trace with hash 471853904, now seen corresponding path program 1 times [2021-10-11 02:22:24,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:24,217 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [779371683] [2021-10-11 02:22:24,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321836ca-f4c1-480a-8b1a-8f4d45f2fee2/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 02:22:24,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:24,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:22:24,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:24,555 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 02:22:24,555 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:24,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [779371683] [2021-10-11 02:22:24,555 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:24,556 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:22:24,556 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665116585] [2021-10-11 02:22:24,556 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:22:24,556 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:24,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:22:24,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:22:24,557 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand 5 states. [2021-10-11 02:22:24,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:24,733 INFO L93 Difference]: Finished difference Result 169 states and 257 transitions. [2021-10-11 02:22:24,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:22:24,734 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2021-10-11 02:22:24,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:24,740 INFO L225 Difference]: With dead ends: 169 [2021-10-11 02:22:24,740 INFO L226 Difference]: Without dead ends: 127 [2021-10-11 02:22:24,742 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-11 02:22:24,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2021-10-11 02:22:24,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 84. [2021-10-11 02:22:24,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2021-10-11 02:22:24,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 119 transitions. [2021-10-11 02:22:24,774 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 119 transitions. Word has length 22 [2021-10-11 02:22:24,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:24,776 INFO L481 AbstractCegarLoop]: Abstraction has 84 states and 119 transitions. [2021-10-11 02:22:24,776 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:22:24,776 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 119 transitions. [2021-10-11 02:22:24,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-11 02:22:24,778 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:24,779 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 02:22:24,990 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:22:24,990 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:24,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:24,991 INFO L82 PathProgramCache]: Analyzing trace with hash -1805520562, now seen corresponding path program 1 times [2021-10-11 02:22:24,992 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:24,992 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [754102787] [2021-10-11 02:22:24,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321836ca-f4c1-480a-8b1a-8f4d45f2fee2/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 02:22:25,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:25,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-11 02:22:25,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:25,302 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 02:22:25,303 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:25,303 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [754102787] [2021-10-11 02:22:25,303 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:25,303 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:22:25,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453397697] [2021-10-11 02:22:25,304 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:22:25,304 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:25,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:22:25,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:22:25,305 INFO L87 Difference]: Start difference. First operand 84 states and 119 transitions. Second operand 6 states. [2021-10-11 02:22:27,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:27,397 INFO L93 Difference]: Finished difference Result 230 states and 342 transitions. [2021-10-11 02:22:27,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 02:22:27,398 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2021-10-11 02:22:27,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:27,401 INFO L225 Difference]: With dead ends: 230 [2021-10-11 02:22:27,401 INFO L226 Difference]: Without dead ends: 188 [2021-10-11 02:22:27,402 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:22:27,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2021-10-11 02:22:27,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 156. [2021-10-11 02:22:27,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2021-10-11 02:22:27,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 223 transitions. [2021-10-11 02:22:27,453 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 223 transitions. Word has length 23 [2021-10-11 02:22:27,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:27,453 INFO L481 AbstractCegarLoop]: Abstraction has 156 states and 223 transitions. [2021-10-11 02:22:27,454 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:22:27,454 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 223 transitions. [2021-10-11 02:22:27,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-11 02:22:27,462 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:27,463 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 02:22:27,678 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:22:27,678 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:27,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:27,679 INFO L82 PathProgramCache]: Analyzing trace with hash 378913563, now seen corresponding path program 1 times [2021-10-11 02:22:27,680 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:27,680 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1934431920] [2021-10-11 02:22:27,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321836ca-f4c1-480a-8b1a-8f4d45f2fee2/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2021-10-11 02:22:27,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:27,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:22:27,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:27,940 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 02:22:27,941 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:27,941 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1934431920] [2021-10-11 02:22:27,941 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:27,941 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:22:27,942 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296444301] [2021-10-11 02:22:27,942 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:22:27,942 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:27,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:22:27,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:22:27,943 INFO L87 Difference]: Start difference. First operand 156 states and 223 transitions. Second operand 3 states. [2021-10-11 02:22:27,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:27,963 INFO L93 Difference]: Finished difference Result 224 states and 319 transitions. [2021-10-11 02:22:27,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:22:27,964 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2021-10-11 02:22:27,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:27,965 INFO L225 Difference]: With dead ends: 224 [2021-10-11 02:22:27,965 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:22:27,966 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 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 02:22:27,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:22:27,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:22:27,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:22:27,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:22:27,967 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2021-10-11 02:22:27,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:27,968 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:22:27,968 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:22:27,968 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:22:27,968 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:22:28,185 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2021-10-11 02:22:28,187 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:22:28,834 INFO L258 CegarLoopResult]: At program point L316(lines 311 319) the Hoare annotation is: false [2021-10-11 02:22:28,835 INFO L258 CegarLoopResult]: At program point L316-1(lines 311 319) the Hoare annotation is: false [2021-10-11 02:22:28,835 INFO L258 CegarLoopResult]: At program point L316-2(lines 311 319) the Hoare annotation is: false [2021-10-11 02:22:28,835 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 884) no Hoare annotation was computed. [2021-10-11 02:22:28,835 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:22:28,835 INFO L262 CegarLoopResult]: For program point L433(lines 433 437) no Hoare annotation was computed. [2021-10-11 02:22:28,835 INFO L262 CegarLoopResult]: For program point L433-1(lines 239 245) no Hoare annotation was computed. [2021-10-11 02:22:28,835 INFO L262 CegarLoopResult]: For program point L54(lines 54 58) no Hoare annotation was computed. [2021-10-11 02:22:28,835 INFO L262 CegarLoopResult]: For program point L500(lines 500 507) no Hoare annotation was computed. [2021-10-11 02:22:28,835 INFO L262 CegarLoopResult]: For program point L54-3(lines 54 58) no Hoare annotation was computed. [2021-10-11 02:22:28,836 INFO L265 CegarLoopResult]: At program point L500-1(lines 500 507) the Hoare annotation is: true [2021-10-11 02:22:28,836 INFO L262 CegarLoopResult]: For program point L54-6(lines 54 58) no Hoare annotation was computed. [2021-10-11 02:22:28,836 INFO L258 CegarLoopResult]: At program point L220(lines 169 221) the Hoare annotation is: false [2021-10-11 02:22:28,836 INFO L262 CegarLoopResult]: For program point L171(lines 170 219) no Hoare annotation was computed. [2021-10-11 02:22:28,836 INFO L262 CegarLoopResult]: For program point L138(lines 138 151) no Hoare annotation was computed. [2021-10-11 02:22:28,836 INFO L258 CegarLoopResult]: At program point L138-1(lines 1 887) the Hoare annotation is: (let ((.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (and .cse0 .cse1 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse2 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0 (_ bv4294967294 32)) (_ bv0 32))))) [2021-10-11 02:22:28,836 INFO L262 CegarLoopResult]: For program point L138-2(lines 138 151) no Hoare annotation was computed. [2021-10-11 02:22:28,836 INFO L258 CegarLoopResult]: At program point L138-3(lines 1 887) the Hoare annotation is: false [2021-10-11 02:22:28,837 INFO L262 CegarLoopResult]: For program point L138-4(lines 138 151) no Hoare annotation was computed. [2021-10-11 02:22:28,837 INFO L258 CegarLoopResult]: At program point L138-5(lines 1 887) the Hoare annotation is: false [2021-10-11 02:22:28,837 INFO L262 CegarLoopResult]: For program point L172(lines 172 176) no Hoare annotation was computed. [2021-10-11 02:22:28,837 INFO L258 CegarLoopResult]: At program point L123(lines 118 126) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)))) [2021-10-11 02:22:28,837 INFO L258 CegarLoopResult]: At program point L123-1(lines 118 126) the Hoare annotation is: false [2021-10-11 02:22:28,837 INFO L258 CegarLoopResult]: At program point L123-2(lines 118 126) the Hoare annotation is: false [2021-10-11 02:22:28,837 INFO L258 CegarLoopResult]: At program point L239(lines 238 257) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1))) [2021-10-11 02:22:28,837 INFO L262 CegarLoopResult]: For program point L239-1(lines 239 245) no Hoare annotation was computed. [2021-10-11 02:22:28,838 INFO L258 CegarLoopResult]: At program point L239-2(lines 238 257) the Hoare annotation is: false [2021-10-11 02:22:28,838 INFO L258 CegarLoopResult]: At program point L239-3(lines 238 257) the Hoare annotation is: false [2021-10-11 02:22:28,838 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:22:28,838 INFO L262 CegarLoopResult]: For program point L190(lines 190 196) no Hoare annotation was computed. [2021-10-11 02:22:28,838 INFO L258 CegarLoopResult]: At program point L190-1(lines 190 196) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse2) (and .cse0 .cse1 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)))) [2021-10-11 02:22:28,838 INFO L258 CegarLoopResult]: At program point L405(lines 1 887) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:22:28,838 INFO L262 CegarLoopResult]: For program point L884(line 884) no Hoare annotation was computed. [2021-10-11 02:22:28,838 INFO L262 CegarLoopResult]: For program point L884-1(line 884) no Hoare annotation was computed. [2021-10-11 02:22:28,838 INFO L262 CegarLoopResult]: For program point L884-2(line 884) no Hoare annotation was computed. [2021-10-11 02:22:28,839 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 884) no Hoare annotation was computed. [2021-10-11 02:22:28,839 INFO L262 CegarLoopResult]: For program point L208(lines 208 214) no Hoare annotation was computed. [2021-10-11 02:22:28,839 INFO L258 CegarLoopResult]: At program point L208-1(lines 239 245) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1))) [2021-10-11 02:22:28,839 INFO L262 CegarLoopResult]: For program point L142(lines 142 148) no Hoare annotation was computed. [2021-10-11 02:22:28,839 INFO L262 CegarLoopResult]: For program point L142-2(lines 142 148) no Hoare annotation was computed. [2021-10-11 02:22:28,839 INFO L262 CegarLoopResult]: For program point L142-4(lines 142 148) no Hoare annotation was computed. [2021-10-11 02:22:28,839 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:22:28,839 INFO L262 CegarLoopResult]: For program point L78(lines 78 82) no Hoare annotation was computed. [2021-10-11 02:22:28,839 INFO L262 CegarLoopResult]: For program point L360(lines 360 366) no Hoare annotation was computed. [2021-10-11 02:22:28,840 INFO L258 CegarLoopResult]: At program point L360-1(lines 360 366) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1))) [2021-10-11 02:22:28,840 INFO L265 CegarLoopResult]: At program point L509(lines 490 512) the Hoare annotation is: true [2021-10-11 02:22:28,840 INFO L258 CegarLoopResult]: At program point L477(lines 473 479) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:22:28,840 INFO L258 CegarLoopResult]: At program point L246(lines 246 252) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1))) [2021-10-11 02:22:28,840 INFO L258 CegarLoopResult]: At program point L246-1(lines 246 252) the Hoare annotation is: false [2021-10-11 02:22:28,840 INFO L262 CegarLoopResult]: For program point L180(lines 180 186) no Hoare annotation was computed. [2021-10-11 02:22:28,840 INFO L258 CegarLoopResult]: At program point L246-2(lines 246 252) the Hoare annotation is: false [2021-10-11 02:22:28,841 INFO L258 CegarLoopResult]: At program point L180-1(lines 180 186) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse2) (and .cse0 .cse1 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)))) [2021-10-11 02:22:28,841 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:22:28,841 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 884) no Hoare annotation was computed. [2021-10-11 02:22:28,841 INFO L258 CegarLoopResult]: At program point L429-2(lines 429 443) the Hoare annotation is: false [2021-10-11 02:22:28,841 INFO L262 CegarLoopResult]: For program point L66(lines 66 70) no Hoare annotation was computed. [2021-10-11 02:22:28,841 INFO L258 CegarLoopResult]: At program point L413(lines 408 416) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:22:28,841 INFO L262 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2021-10-11 02:22:28,841 INFO L262 CegarLoopResult]: For program point L200(lines 200 215) no Hoare annotation was computed. [2021-10-11 02:22:28,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:22:28 BoogieIcfgContainer [2021-10-11 02:22:28,861 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:22:28,862 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:22:28,862 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:22:28,862 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:22:28,862 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:22:22" (3/4) ... [2021-10-11 02:22:28,865 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:22:28,878 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:22:28,879 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:22:28,879 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:22:28,880 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:22:28,880 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:22:28,881 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:22:28,881 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:22:28,907 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && 2bv32 == \result) && ~bvadd64(tmp, 4294967294bv32) == 0bv32) [2021-10-11 02:22:28,907 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) [2021-10-11 02:22:28,908 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) [2021-10-11 02:22:28,910 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && 2bv32 == \result) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) [2021-10-11 02:22:28,950 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321836ca-f4c1-480a-8b1a-8f4d45f2fee2/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:22:28,950 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:22:28,951 INFO L168 Benchmark]: Toolchain (without parser) took 10830.44 ms. Allocated memory was 58.7 MB in the beginning and 86.0 MB in the end (delta: 27.3 MB). Free memory was 38.0 MB in the beginning and 56.3 MB in the end (delta: -18.3 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:28,952 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 58.7 MB. Free memory is still 40.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:22:28,952 INFO L168 Benchmark]: CACSL2BoogieTranslator took 787.78 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 37.8 MB in the beginning and 53.4 MB in the end (delta: -15.6 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:28,953 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.38 ms. Allocated memory is still 71.3 MB. Free memory was 53.4 MB in the beginning and 50.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:28,953 INFO L168 Benchmark]: Boogie Preprocessor took 91.52 ms. Allocated memory is still 71.3 MB. Free memory was 50.7 MB in the beginning and 48.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:28,954 INFO L168 Benchmark]: RCFGBuilder took 3001.73 ms. Allocated memory is still 71.3 MB. Free memory was 48.6 MB in the beginning and 38.4 MB in the end (delta: 10.2 MB). Peak memory consumption was 22.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:28,954 INFO L168 Benchmark]: TraceAbstraction took 6745.04 ms. Allocated memory was 71.3 MB in the beginning and 86.0 MB in the end (delta: 14.7 MB). Free memory was 38.0 MB in the beginning and 61.2 MB in the end (delta: -23.2 MB). Peak memory consumption was 22.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:28,955 INFO L168 Benchmark]: Witness Printer took 88.39 ms. Allocated memory is still 86.0 MB. Free memory was 61.2 MB in the beginning and 56.3 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:28,957 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 58.7 MB. Free memory is still 40.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 787.78 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 37.8 MB in the beginning and 53.4 MB in the end (delta: -15.6 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 108.38 ms. Allocated memory is still 71.3 MB. Free memory was 53.4 MB in the beginning and 50.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 91.52 ms. Allocated memory is still 71.3 MB. Free memory was 50.7 MB in the beginning and 48.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3001.73 ms. Allocated memory is still 71.3 MB. Free memory was 48.6 MB in the beginning and 38.4 MB in the end (delta: 10.2 MB). Peak memory consumption was 22.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6745.04 ms. Allocated memory was 71.3 MB in the beginning and 86.0 MB in the end (delta: 14.7 MB). Free memory was 38.0 MB in the beginning and 61.2 MB in the end (delta: -23.2 MB). Peak memory consumption was 22.4 MB. Max. memory is 16.1 GB. * Witness Printer took 88.39 ms. Allocated memory is still 86.0 MB. Free memory was 61.2 MB in the beginning and 56.3 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 884]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 884]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 884]: 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: 239]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) - InvariantResult [Line: 429]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 246]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 473]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 246]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && 2bv32 == \result) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && 2bv32 == \result) && ~bvadd64(tmp, 4294967294bv32) == 0bv32) - InvariantResult [Line: 246]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 59 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.0s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 327 SDtfs, 284 SDslu, 349 SDs, 0 SdLazy, 81 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 123 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=156occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 79 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 58 NumberOfFragments, 330 HoareAnnotationTreeSize, 26 FomulaSimplifications, 1073 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 123 NumberOfCodeBlocks, 123 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 117 ConstructedInterpolants, 0 QuantifiedInterpolants, 5969 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1173 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...