./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product11.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_c216b956-85e6-4156-94c2-68fe2dd5b91d/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c216b956-85e6-4156-94c2-68fe2dd5b91d/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_c216b956-85e6-4156-94c2-68fe2dd5b91d/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c216b956-85e6-4156-94c2-68fe2dd5b91d/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c216b956-85e6-4156-94c2-68fe2dd5b91d/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_c216b956-85e6-4156-94c2-68fe2dd5b91d/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 f1f034cb6fa303b17a6a0878d4fa1463b5386073 ............................................................................................................................................ 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_c216b956-85e6-4156-94c2-68fe2dd5b91d/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c216b956-85e6-4156-94c2-68fe2dd5b91d/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_c216b956-85e6-4156-94c2-68fe2dd5b91d/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c216b956-85e6-4156-94c2-68fe2dd5b91d/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c216b956-85e6-4156-94c2-68fe2dd5b91d/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_c216b956-85e6-4156-94c2-68fe2dd5b91d/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 f1f034cb6fa303b17a6a0878d4fa1463b5386073 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:27:44,032 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:27:44,035 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:27:44,067 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:27:44,067 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:27:44,069 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:27:44,071 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:27:44,073 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:27:44,076 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:27:44,077 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:27:44,078 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:27:44,080 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:27:44,080 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:27:44,082 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:27:44,083 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:27:44,085 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:27:44,086 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:27:44,087 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:27:44,090 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:27:44,092 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:27:44,094 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:27:44,096 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:27:44,097 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:27:44,099 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:27:44,102 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:27:44,103 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:27:44,103 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:27:44,105 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:27:44,105 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:27:44,107 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:27:44,107 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:27:44,108 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:27:44,109 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:27:44,110 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:27:44,112 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:27:44,112 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:27:44,113 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:27:44,113 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:27:44,114 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:27:44,115 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:27:44,116 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:27:44,120 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c216b956-85e6-4156-94c2-68fe2dd5b91d/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:27:44,144 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:27:44,145 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:27:44,146 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:27:44,146 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:27:44,146 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:27:44,146 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:27:44,147 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:27:44,147 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:27:44,147 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:27:44,147 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:27:44,147 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:27:44,148 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:27:44,148 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:27:44,148 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:27:44,148 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:27:44,149 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:27:44,149 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:27:44,150 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:27:44,150 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:27:44,150 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:27:44,150 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:27:44,150 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:27:44,151 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:27:44,151 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:27:44,151 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:27:44,151 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:27:44,152 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:27:44,152 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:27:44,152 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:27:44,152 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:27:44,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:27:44,153 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:27:44,153 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:27:44,153 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:27:44,153 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:27:44,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:27:44,154 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:27:44,154 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:27:44,154 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:27:44,155 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_c216b956-85e6-4156-94c2-68fe2dd5b91d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c216b956-85e6-4156-94c2-68fe2dd5b91d/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1f034cb6fa303b17a6a0878d4fa1463b5386073 [2021-10-11 02:27:44,398 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:27:44,421 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:27:44,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:27:44,425 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:27:44,431 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:27:44,432 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c216b956-85e6-4156-94c2-68fe2dd5b91d/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c [2021-10-11 02:27:44,524 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c216b956-85e6-4156-94c2-68fe2dd5b91d/bin/utaipan-WLngWcDbfI/data/fa1e49527/d7938e41e95d4c41bd4d79487831706b/FLAG83c798a2f [2021-10-11 02:27:45,136 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:27:45,139 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c216b956-85e6-4156-94c2-68fe2dd5b91d/sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c [2021-10-11 02:27:45,152 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c216b956-85e6-4156-94c2-68fe2dd5b91d/bin/utaipan-WLngWcDbfI/data/fa1e49527/d7938e41e95d4c41bd4d79487831706b/FLAG83c798a2f [2021-10-11 02:27:45,458 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c216b956-85e6-4156-94c2-68fe2dd5b91d/bin/utaipan-WLngWcDbfI/data/fa1e49527/d7938e41e95d4c41bd4d79487831706b [2021-10-11 02:27:45,462 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:27:45,467 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:27:45,469 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:27:45,469 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:27:45,473 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:27:45,474 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:27:45" (1/1) ... [2021-10-11 02:27:45,476 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@370f0b81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:45, skipping insertion in model container [2021-10-11 02:27:45,476 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:27:45" (1/1) ... [2021-10-11 02:27:45,483 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:27:45,549 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:27:45,773 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_c216b956-85e6-4156-94c2-68fe2dd5b91d/sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c[5714,5727] [2021-10-11 02:27:45,874 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:27:45,884 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 02:27:45,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@ab85114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:45, skipping insertion in model container [2021-10-11 02:27:45,885 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:27:45,886 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:27:45,888 INFO L168 Benchmark]: Toolchain (without parser) took 419.88 ms. Allocated memory is still 115.3 MB. Free memory was 79.1 MB in the beginning and 88.0 MB in the end (delta: -8.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:45,889 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 115.3 MB. Free memory was 91.0 MB in the beginning and 91.0 MB in the end (delta: 21.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:27:45,890 INFO L168 Benchmark]: CACSL2BoogieTranslator took 416.85 ms. Allocated memory is still 115.3 MB. Free memory was 79.1 MB in the beginning and 88.0 MB in the end (delta: -8.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:45,892 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 115.3 MB. Free memory was 91.0 MB in the beginning and 91.0 MB in the end (delta: 21.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 416.85 ms. Allocated memory is still 115.3 MB. Free memory was 79.1 MB in the beginning and 88.0 MB in the end (delta: -8.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 540]: 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 02:27:48,188 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:27:48,192 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:27:48,248 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:27:48,249 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:27:48,255 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:27:48,259 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:27:48,265 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:27:48,269 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:27:48,277 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:27:48,279 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:27:48,281 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:27:48,282 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:27:48,283 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:27:48,284 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:27:48,286 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:27:48,287 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:27:48,288 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:27:48,290 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:27:48,292 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:27:48,294 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:27:48,296 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:27:48,297 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:27:48,298 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:27:48,302 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:27:48,302 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:27:48,302 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:27:48,304 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:27:48,304 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:27:48,305 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:27:48,306 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:27:48,307 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:27:48,308 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:27:48,309 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:27:48,310 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:27:48,310 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:27:48,311 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:27:48,312 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:27:48,312 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:27:48,313 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:27:48,314 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:27:48,315 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c216b956-85e6-4156-94c2-68fe2dd5b91d/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:27:48,344 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:27:48,344 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:27:48,345 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:27:48,345 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:27:48,345 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:27:48,346 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:27:48,346 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:27:48,346 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:27:48,346 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:27:48,347 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:27:48,347 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:27:48,347 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:27:48,348 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:27:48,348 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:27:48,348 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:27:48,348 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:27:48,348 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:27:48,349 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:27:48,349 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:27:48,349 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:27:48,349 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:27:48,349 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:27:48,349 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:27:48,350 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:27:48,350 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:27:48,350 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:27:48,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:27:48,351 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:27:48,351 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:27:48,351 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:27:48,351 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:27:48,351 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:27:48,352 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:27:48,352 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:27:48,352 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:27:48,352 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_c216b956-85e6-4156-94c2-68fe2dd5b91d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c216b956-85e6-4156-94c2-68fe2dd5b91d/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1f034cb6fa303b17a6a0878d4fa1463b5386073 [2021-10-11 02:27:48,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:27:48,763 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:27:48,769 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:27:48,771 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:27:48,771 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:27:48,772 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c216b956-85e6-4156-94c2-68fe2dd5b91d/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c [2021-10-11 02:27:48,849 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c216b956-85e6-4156-94c2-68fe2dd5b91d/bin/utaipan-WLngWcDbfI/data/9e0a1ec6b/8eb36700af604bb2865ea0d0ff7faf98/FLAG0f076862f [2021-10-11 02:27:49,513 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:27:49,515 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c216b956-85e6-4156-94c2-68fe2dd5b91d/sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c [2021-10-11 02:27:49,529 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c216b956-85e6-4156-94c2-68fe2dd5b91d/bin/utaipan-WLngWcDbfI/data/9e0a1ec6b/8eb36700af604bb2865ea0d0ff7faf98/FLAG0f076862f [2021-10-11 02:27:49,775 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c216b956-85e6-4156-94c2-68fe2dd5b91d/bin/utaipan-WLngWcDbfI/data/9e0a1ec6b/8eb36700af604bb2865ea0d0ff7faf98 [2021-10-11 02:27:49,778 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:27:49,779 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:27:49,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:27:49,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:27:49,784 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:27:49,785 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:27:49" (1/1) ... [2021-10-11 02:27:49,787 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35feb919 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:49, skipping insertion in model container [2021-10-11 02:27:49,788 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:27:49" (1/1) ... [2021-10-11 02:27:49,795 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:27:49,833 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:27:50,026 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_c216b956-85e6-4156-94c2-68fe2dd5b91d/sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c[5714,5727] [2021-10-11 02:27:50,093 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:27:50,135 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:27:50,150 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:27:50,196 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_c216b956-85e6-4156-94c2-68fe2dd5b91d/sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c[5714,5727] [2021-10-11 02:27:50,234 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:27:50,240 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:27:50,277 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_c216b956-85e6-4156-94c2-68fe2dd5b91d/sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c[5714,5727] [2021-10-11 02:27:50,309 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:27:50,342 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:27:50,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:50 WrapperNode [2021-10-11 02:27:50,343 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:27:50,344 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:27:50,345 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:27:50,345 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:27:50,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:50" (1/1) ... [2021-10-11 02:27:50,386 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:50" (1/1) ... [2021-10-11 02:27:50,436 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:27:50,437 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:27:50,437 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:27:50,437 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:27:50,446 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:50" (1/1) ... [2021-10-11 02:27:50,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:50" (1/1) ... [2021-10-11 02:27:50,451 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:50" (1/1) ... [2021-10-11 02:27:50,451 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:50" (1/1) ... [2021-10-11 02:27:50,461 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:50" (1/1) ... [2021-10-11 02:27:50,467 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:50" (1/1) ... [2021-10-11 02:27:50,470 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:50" (1/1) ... [2021-10-11 02:27:50,475 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:27:50,476 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:27:50,476 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:27:50,476 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:27:50,477 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:50" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c216b956-85e6-4156-94c2-68fe2dd5b91d/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 02:27:50,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:27:50,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:27:50,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:27:50,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:27:53,008 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:27:53,008 INFO L299 CfgBuilder]: Removed 70 assume(true) statements. [2021-10-11 02:27:53,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:27:53 BoogieIcfgContainer [2021-10-11 02:27:53,010 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:27:53,012 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:27:53,012 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:27:53,015 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:27:53,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:27:49" (1/3) ... [2021-10-11 02:27:53,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fbeb4c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:27:53, skipping insertion in model container [2021-10-11 02:27:53,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:50" (2/3) ... [2021-10-11 02:27:53,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fbeb4c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:27:53, skipping insertion in model container [2021-10-11 02:27:53,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:27:53" (3/3) ... [2021-10-11 02:27:53,019 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product11.cil.c [2021-10-11 02:27:53,032 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:27:53,036 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:27:53,047 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:27:53,077 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:27:53,080 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:27:53,081 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:27:53,081 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:27:53,081 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:27:53,081 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:27:53,082 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:27:53,082 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:27:53,094 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2021-10-11 02:27:53,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 02:27:53,099 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:27:53,100 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:27:53,100 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:27:53,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:27:53,106 INFO L82 PathProgramCache]: Analyzing trace with hash 1256308090, now seen corresponding path program 1 times [2021-10-11 02:27:53,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:27:53,120 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2081649867] [2021-10-11 02:27:53,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c216b956-85e6-4156-94c2-68fe2dd5b91d/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 02:27:53,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:27:53,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:27:53,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:27:53,417 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 02:27:53,418 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:27:53,418 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2081649867] [2021-10-11 02:27:53,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:27:53,420 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:27:53,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187074549] [2021-10-11 02:27:53,434 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:27:53,435 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:27:53,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:27:53,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:27:53,447 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 2 states. [2021-10-11 02:27:53,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:27:53,476 INFO L93 Difference]: Finished difference Result 112 states and 167 transitions. [2021-10-11 02:27:53,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:27:53,478 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 02:27:53,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:27:53,487 INFO L225 Difference]: With dead ends: 112 [2021-10-11 02:27:53,487 INFO L226 Difference]: Without dead ends: 55 [2021-10-11 02:27:53,490 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 02:27:53,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-10-11 02:27:53,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-10-11 02:27:53,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2021-10-11 02:27:53,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 75 transitions. [2021-10-11 02:27:53,533 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 75 transitions. Word has length 16 [2021-10-11 02:27:53,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:27:53,533 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 75 transitions. [2021-10-11 02:27:53,533 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:27:53,534 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2021-10-11 02:27:53,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 02:27:53,535 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:27:53,535 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 02:27:53,751 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:27:53,752 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:27:53,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:27:53,753 INFO L82 PathProgramCache]: Analyzing trace with hash 209551193, now seen corresponding path program 1 times [2021-10-11 02:27:53,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:27:53,754 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1828259044] [2021-10-11 02:27:53,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c216b956-85e6-4156-94c2-68fe2dd5b91d/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 02:27:53,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:27:53,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:27:53,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:27:53,976 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 02:27:53,976 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:27:53,976 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1828259044] [2021-10-11 02:27:53,976 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:27:53,977 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:27:53,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447917679] [2021-10-11 02:27:53,978 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:27:53,978 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:27:53,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:27:53,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:27:53,980 INFO L87 Difference]: Start difference. First operand 55 states and 75 transitions. Second operand 3 states. [2021-10-11 02:27:53,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:27:53,989 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2021-10-11 02:27:53,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:27:53,990 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 02:27:53,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:27:53,990 INFO L225 Difference]: With dead ends: 55 [2021-10-11 02:27:53,991 INFO L226 Difference]: Without dead ends: 29 [2021-10-11 02:27:53,991 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 02:27:53,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-10-11 02:27:53,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2021-10-11 02:27:53,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-10-11 02:27:53,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2021-10-11 02:27:53,996 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 17 [2021-10-11 02:27:53,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:27:53,997 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2021-10-11 02:27:53,997 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:27:53,997 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2021-10-11 02:27:53,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 02:27:53,998 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:27:53,998 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 02:27:54,214 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:27:54,217 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:27:54,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:27:54,218 INFO L82 PathProgramCache]: Analyzing trace with hash 474467475, now seen corresponding path program 1 times [2021-10-11 02:27:54,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:27:54,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2128573289] [2021-10-11 02:27:54,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c216b956-85e6-4156-94c2-68fe2dd5b91d/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 02:27:54,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:27:54,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:27:54,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:27:54,453 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 02:27:54,453 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:27:54,453 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2128573289] [2021-10-11 02:27:54,453 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:27:54,454 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:27:54,454 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080659801] [2021-10-11 02:27:54,454 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:27:54,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:27:54,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:27:54,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:27:54,456 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 3 states. [2021-10-11 02:27:54,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:27:54,470 INFO L93 Difference]: Finished difference Result 75 states and 108 transitions. [2021-10-11 02:27:54,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:27:54,471 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2021-10-11 02:27:54,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:27:54,474 INFO L225 Difference]: With dead ends: 75 [2021-10-11 02:27:54,474 INFO L226 Difference]: Without dead ends: 52 [2021-10-11 02:27:54,475 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 02:27:54,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2021-10-11 02:27:54,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 48. [2021-10-11 02:27:54,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2021-10-11 02:27:54,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2021-10-11 02:27:54,484 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 22 [2021-10-11 02:27:54,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:27:54,485 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2021-10-11 02:27:54,485 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:27:54,485 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2021-10-11 02:27:54,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 02:27:54,486 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:27:54,486 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 02:27:54,701 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:27:54,702 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:27:54,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:27:54,702 INFO L82 PathProgramCache]: Analyzing trace with hash 2106923728, now seen corresponding path program 1 times [2021-10-11 02:27:54,703 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:27:54,703 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1709826615] [2021-10-11 02:27:54,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c216b956-85e6-4156-94c2-68fe2dd5b91d/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 02:27:54,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:27:54,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:27:54,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:27:54,936 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 02:27:54,936 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:27:54,937 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1709826615] [2021-10-11 02:27:54,937 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:27:54,937 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:27:54,938 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905872704] [2021-10-11 02:27:54,939 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:27:54,939 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:27:54,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:27:54,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:27:54,942 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand 5 states. [2021-10-11 02:27:55,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:27:55,076 INFO L93 Difference]: Finished difference Result 214 states and 328 transitions. [2021-10-11 02:27:55,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 02:27:55,077 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2021-10-11 02:27:55,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:27:55,085 INFO L225 Difference]: With dead ends: 214 [2021-10-11 02:27:55,085 INFO L226 Difference]: Without dead ends: 172 [2021-10-11 02:27:55,087 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:27:55,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2021-10-11 02:27:55,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 84. [2021-10-11 02:27:55,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2021-10-11 02:27:55,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 121 transitions. [2021-10-11 02:27:55,111 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 121 transitions. Word has length 22 [2021-10-11 02:27:55,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:27:55,112 INFO L481 AbstractCegarLoop]: Abstraction has 84 states and 121 transitions. [2021-10-11 02:27:55,112 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:27:55,112 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 121 transitions. [2021-10-11 02:27:55,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-11 02:27:55,118 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:27:55,118 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 02:27:55,332 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:27:55,332 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:27:55,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:27:55,333 INFO L82 PathProgramCache]: Analyzing trace with hash 507351174, now seen corresponding path program 1 times [2021-10-11 02:27:55,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:27:55,334 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1992601790] [2021-10-11 02:27:55,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c216b956-85e6-4156-94c2-68fe2dd5b91d/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 02:27:55,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:27:55,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:27:55,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:27:55,602 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 02:27:55,602 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:27:55,603 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1992601790] [2021-10-11 02:27:55,603 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:27:55,603 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:27:55,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178382205] [2021-10-11 02:27:55,604 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:27:55,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:27:55,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:27:55,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:27:55,605 INFO L87 Difference]: Start difference. First operand 84 states and 121 transitions. Second operand 5 states. [2021-10-11 02:27:55,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:27:55,727 INFO L93 Difference]: Finished difference Result 268 states and 395 transitions. [2021-10-11 02:27:55,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:27:55,728 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2021-10-11 02:27:55,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:27:55,729 INFO L225 Difference]: With dead ends: 268 [2021-10-11 02:27:55,729 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:27:55,734 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:27:55,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:27:55,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:27:55,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:27:55,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:27:55,739 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2021-10-11 02:27:55,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:27:55,740 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:27:55,740 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:27:55,740 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:27:55,740 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:27:55,952 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:27:55,953 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:27:56,328 INFO L262 CegarLoopResult]: For program point L349(lines 349 355) no Hoare annotation was computed. [2021-10-11 02:27:56,328 INFO L258 CegarLoopResult]: At program point L349-1(lines 349 355) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:27:56,328 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 400) no Hoare annotation was computed. [2021-10-11 02:27:56,328 INFO L262 CegarLoopResult]: For program point L498(lines 498 504) no Hoare annotation was computed. [2021-10-11 02:27:56,328 INFO L262 CegarLoopResult]: For program point L498-2(lines 498 504) no Hoare annotation was computed. [2021-10-11 02:27:56,329 INFO L262 CegarLoopResult]: For program point L498-4(lines 498 504) no Hoare annotation was computed. [2021-10-11 02:27:56,329 INFO L258 CegarLoopResult]: At program point L168(lines 1 876) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:27:56,329 INFO L258 CegarLoopResult]: At program point L449(lines 444 452) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:27:56,329 INFO L258 CegarLoopResult]: At program point L449-1(lines 444 452) the Hoare annotation is: false [2021-10-11 02:27:56,329 INFO L258 CegarLoopResult]: At program point L449-2(lines 444 452) the Hoare annotation is: false [2021-10-11 02:27:56,329 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:27:56,329 INFO L262 CegarLoopResult]: For program point L317(lines 317 323) no Hoare annotation was computed. [2021-10-11 02:27:56,329 INFO L258 CegarLoopResult]: At program point L317-1(lines 317 323) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:27:56,330 INFO L262 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2021-10-11 02:27:56,330 INFO L262 CegarLoopResult]: For program point L400-1(line 400) no Hoare annotation was computed. [2021-10-11 02:27:56,330 INFO L262 CegarLoopResult]: For program point L400-2(line 400) no Hoare annotation was computed. [2021-10-11 02:27:56,330 INFO L258 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2021-10-11 02:27:56,330 INFO L258 CegarLoopResult]: At program point L203(lines 203 209) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:27:56,330 INFO L258 CegarLoopResult]: At program point L203-1(lines 203 209) the Hoare annotation is: false [2021-10-11 02:27:56,330 INFO L258 CegarLoopResult]: At program point L203-2(lines 203 209) the Hoare annotation is: false [2021-10-11 02:27:56,330 INFO L262 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2021-10-11 02:27:56,331 INFO L262 CegarLoopResult]: For program point L369(lines 369 382) no Hoare annotation was computed. [2021-10-11 02:27:56,331 INFO L258 CegarLoopResult]: At program point L105(lines 101 107) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:27:56,331 INFO L262 CegarLoopResult]: For program point L436(lines 436 440) no Hoare annotation was computed. [2021-10-11 02:27:56,331 INFO L258 CegarLoopResult]: At program point L387(lines 338 388) the Hoare annotation is: false [2021-10-11 02:27:56,331 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:27:56,331 INFO L262 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2021-10-11 02:27:56,331 INFO L262 CegarLoopResult]: For program point L58-1(lines 196 202) no Hoare annotation was computed. [2021-10-11 02:27:56,331 INFO L258 CegarLoopResult]: At program point L273(lines 268 276) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:27:56,331 INFO L258 CegarLoopResult]: At program point L273-1(lines 268 276) the Hoare annotation is: false [2021-10-11 02:27:56,332 INFO L258 CegarLoopResult]: At program point L273-2(lines 268 276) the Hoare annotation is: false [2021-10-11 02:27:56,332 INFO L265 CegarLoopResult]: At program point L141(lines 122 144) the Hoare annotation is: true [2021-10-11 02:27:56,332 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 400) no Hoare annotation was computed. [2021-10-11 02:27:56,332 INFO L262 CegarLoopResult]: For program point L340(lines 339 386) no Hoare annotation was computed. [2021-10-11 02:27:56,332 INFO L262 CegarLoopResult]: For program point L341(lines 341 345) no Hoare annotation was computed. [2021-10-11 02:27:56,332 INFO L258 CegarLoopResult]: At program point L176(lines 171 179) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:27:56,332 INFO L262 CegarLoopResult]: For program point L424(lines 424 428) no Hoare annotation was computed. [2021-10-11 02:27:56,332 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:27:56,332 INFO L262 CegarLoopResult]: For program point L375(lines 375 381) no Hoare annotation was computed. [2021-10-11 02:27:56,333 INFO L258 CegarLoopResult]: At program point L375-1(lines 196 202) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:27:56,333 INFO L262 CegarLoopResult]: For program point L359(lines 359 365) no Hoare annotation was computed. [2021-10-11 02:27:56,333 INFO L258 CegarLoopResult]: At program point L359-1(lines 359 365) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:27:56,333 INFO L258 CegarLoopResult]: At program point L196(lines 195 214) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:27:56,333 INFO L262 CegarLoopResult]: For program point L196-1(lines 196 202) no Hoare annotation was computed. [2021-10-11 02:27:56,333 INFO L258 CegarLoopResult]: At program point L196-2(lines 195 214) the Hoare annotation is: false [2021-10-11 02:27:56,333 INFO L258 CegarLoopResult]: At program point L196-3(lines 195 214) the Hoare annotation is: false [2021-10-11 02:27:56,333 INFO L262 CegarLoopResult]: For program point L494(lines 494 507) no Hoare annotation was computed. [2021-10-11 02:27:56,333 INFO L258 CegarLoopResult]: At program point L494-1(lines 1 876) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:27:56,334 INFO L262 CegarLoopResult]: For program point L494-2(lines 494 507) no Hoare annotation was computed. [2021-10-11 02:27:56,334 INFO L258 CegarLoopResult]: At program point L494-3(lines 1 876) the Hoare annotation is: false [2021-10-11 02:27:56,334 INFO L262 CegarLoopResult]: For program point L494-4(lines 494 507) no Hoare annotation was computed. [2021-10-11 02:27:56,334 INFO L258 CegarLoopResult]: At program point L494-5(lines 1 876) the Hoare annotation is: false [2021-10-11 02:27:56,334 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:27:56,334 INFO L262 CegarLoopResult]: For program point L412(lines 412 416) no Hoare annotation was computed. [2021-10-11 02:27:56,334 INFO L262 CegarLoopResult]: For program point L412-3(lines 412 416) no Hoare annotation was computed. [2021-10-11 02:27:56,334 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 400) no Hoare annotation was computed. [2021-10-11 02:27:56,334 INFO L262 CegarLoopResult]: For program point L412-6(lines 412 416) no Hoare annotation was computed. [2021-10-11 02:27:56,335 INFO L262 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2021-10-11 02:27:56,335 INFO L265 CegarLoopResult]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2021-10-11 02:27:56,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:27:56 BoogieIcfgContainer [2021-10-11 02:27:56,351 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:27:56,351 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:27:56,351 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:27:56,351 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:27:56,352 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:27:53" (3/4) ... [2021-10-11 02:27:56,355 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:27:56,368 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:27:56,369 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:27:56,369 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:27:56,370 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:27:56,370 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:27:56,370 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:27:56,371 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:27:56,398 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-10-11 02:27:56,437 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c216b956-85e6-4156-94c2-68fe2dd5b91d/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:27:56,438 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:27:56,439 INFO L168 Benchmark]: Toolchain (without parser) took 6659.03 ms. Allocated memory was 73.4 MB in the beginning and 92.3 MB in the end (delta: 18.9 MB). Free memory was 53.3 MB in the beginning and 47.8 MB in the end (delta: 5.6 MB). Peak memory consumption was 24.0 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:56,440 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 73.4 MB. Free memory was 54.0 MB in the beginning and 54.0 MB in the end (delta: 54.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:27:56,440 INFO L168 Benchmark]: CACSL2BoogieTranslator took 563.00 ms. Allocated memory is still 73.4 MB. Free memory was 53.2 MB in the beginning and 42.2 MB in the end (delta: 11.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:56,441 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.50 ms. Allocated memory is still 73.4 MB. Free memory was 42.2 MB in the beginning and 39.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:56,441 INFO L168 Benchmark]: Boogie Preprocessor took 38.34 ms. Allocated memory is still 73.4 MB. Free memory was 39.6 MB in the beginning and 37.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:56,442 INFO L168 Benchmark]: RCFGBuilder took 2534.92 ms. Allocated memory was 73.4 MB in the beginning and 92.3 MB in the end (delta: 18.9 MB). Free memory was 37.4 MB in the beginning and 57.1 MB in the end (delta: -19.6 MB). Peak memory consumption was 19.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:56,442 INFO L168 Benchmark]: TraceAbstraction took 3338.62 ms. Allocated memory is still 92.3 MB. Free memory was 56.6 MB in the beginning and 53.3 MB in the end (delta: 3.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:56,442 INFO L168 Benchmark]: Witness Printer took 86.54 ms. Allocated memory is still 92.3 MB. Free memory was 53.3 MB in the beginning and 47.8 MB in the end (delta: 5.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:56,445 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 73.4 MB. Free memory was 54.0 MB in the beginning and 54.0 MB in the end (delta: 54.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 563.00 ms. Allocated memory is still 73.4 MB. Free memory was 53.2 MB in the beginning and 42.2 MB in the end (delta: 11.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 91.50 ms. Allocated memory is still 73.4 MB. Free memory was 42.2 MB in the beginning and 39.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 38.34 ms. Allocated memory is still 73.4 MB. Free memory was 39.6 MB in the beginning and 37.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2534.92 ms. Allocated memory was 73.4 MB in the beginning and 92.3 MB in the end (delta: 18.9 MB). Free memory was 37.4 MB in the beginning and 57.1 MB in the end (delta: -19.6 MB). Peak memory consumption was 19.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3338.62 ms. Allocated memory is still 92.3 MB. Free memory was 56.6 MB in the beginning and 53.3 MB in the end (delta: 3.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 16.1 GB. * Witness Printer took 86.54 ms. Allocated memory is still 92.3 MB. Free memory was 53.3 MB in the beginning and 47.8 MB in the end (delta: 5.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 400]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 400]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 400]: 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: 338]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 444]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 444]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 444]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 349]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 359]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 59 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 270 SDtfs, 280 SDslu, 271 SDs, 0 SdLazy, 42 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 103 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 92 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 112 NumberOfFragments, 116 HoareAnnotationTreeSize, 26 FomulaSimplifications, 2909 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 4191 SizeOfPredicates, 7 NumberOfNonLiveVariables, 971 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...