./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product29.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_23d4ffa1-b794-4913-a067-cd37d06d1a41/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d4ffa1-b794-4913-a067-cd37d06d1a41/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_23d4ffa1-b794-4913-a067-cd37d06d1a41/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d4ffa1-b794-4913-a067-cd37d06d1a41/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d4ffa1-b794-4913-a067-cd37d06d1a41/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_23d4ffa1-b794-4913-a067-cd37d06d1a41/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 d8dfaf8ef68175aa3f4082d006a42419867490ad ............................................................................................................................................ 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_23d4ffa1-b794-4913-a067-cd37d06d1a41/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d4ffa1-b794-4913-a067-cd37d06d1a41/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_23d4ffa1-b794-4913-a067-cd37d06d1a41/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d4ffa1-b794-4913-a067-cd37d06d1a41/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d4ffa1-b794-4913-a067-cd37d06d1a41/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_23d4ffa1-b794-4913-a067-cd37d06d1a41/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 d8dfaf8ef68175aa3f4082d006a42419867490ad ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 02:24:42,175 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:24:42,177 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:24:42,209 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:24:42,210 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:24:42,211 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:24:42,213 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:24:42,215 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:24:42,218 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:24:42,222 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:24:42,224 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:24:42,225 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:24:42,227 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:24:42,231 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:24:42,233 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:24:42,235 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:24:42,238 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:24:42,240 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:24:42,242 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:24:42,245 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:24:42,249 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:24:42,250 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:24:42,252 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:24:42,254 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:24:42,264 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:24:42,269 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:24:42,270 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:24:42,271 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:24:42,272 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:24:42,273 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:24:42,275 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:24:42,276 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:24:42,277 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:24:42,279 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:24:42,281 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:24:42,282 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:24:42,283 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:24:42,284 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:24:42,284 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:24:42,285 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:24:42,286 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:24:42,287 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d4ffa1-b794-4913-a067-cd37d06d1a41/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:24:42,336 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:24:42,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:24:42,339 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:24:42,339 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:24:42,340 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:24:42,340 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:24:42,340 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:24:42,340 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:24:42,340 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:24:42,340 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:24:42,341 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:24:42,341 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:24:42,341 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:24:42,341 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:24:42,341 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:24:42,342 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:24:42,342 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:24:42,343 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:24:42,343 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:24:42,343 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:24:42,343 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:24:42,343 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:24:42,344 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:24:42,344 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:24:42,344 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:24:42,344 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:24:42,344 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:24:42,345 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:24:42,345 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:24:42,345 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:24:42,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:24:42,346 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:24:42,346 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:24:42,346 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:24:42,346 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:24:42,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:24:42,347 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:24:42,347 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:24:42,347 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:24:42,347 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_23d4ffa1-b794-4913-a067-cd37d06d1a41/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d4ffa1-b794-4913-a067-cd37d06d1a41/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8dfaf8ef68175aa3f4082d006a42419867490ad [2021-10-11 02:24:42,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:24:42,649 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:24:42,652 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:24:42,653 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:24:42,654 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:24:42,654 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d4ffa1-b794-4913-a067-cd37d06d1a41/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c [2021-10-11 02:24:42,714 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d4ffa1-b794-4913-a067-cd37d06d1a41/bin/utaipan-WLngWcDbfI/data/1ee08f3e7/7a77f407c482431faf8c9731d9d449a7/FLAG28b99485c [2021-10-11 02:24:43,261 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:24:43,261 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d4ffa1-b794-4913-a067-cd37d06d1a41/sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c [2021-10-11 02:24:43,273 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d4ffa1-b794-4913-a067-cd37d06d1a41/bin/utaipan-WLngWcDbfI/data/1ee08f3e7/7a77f407c482431faf8c9731d9d449a7/FLAG28b99485c [2021-10-11 02:24:43,563 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d4ffa1-b794-4913-a067-cd37d06d1a41/bin/utaipan-WLngWcDbfI/data/1ee08f3e7/7a77f407c482431faf8c9731d9d449a7 [2021-10-11 02:24:43,566 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:24:43,575 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:24:43,578 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:24:43,578 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:24:43,580 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:24:43,581 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:24:43" (1/1) ... [2021-10-11 02:24:43,583 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73e165d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:43, skipping insertion in model container [2021-10-11 02:24:43,584 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:24:43" (1/1) ... [2021-10-11 02:24:43,591 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:24:43,659 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:24:43,930 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_23d4ffa1-b794-4913-a067-cd37d06d1a41/sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c[17810,17823] [2021-10-11 02:24:43,933 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:24:43,945 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 02:24:43,946 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@757d02d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:43, skipping insertion in model container [2021-10-11 02:24:43,946 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:24:43,947 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:24:43,949 INFO L168 Benchmark]: Toolchain (without parser) took 380.49 ms. Allocated memory was 113.2 MB in the beginning and 157.3 MB in the end (delta: 44.0 MB). Free memory was 82.1 MB in the beginning and 128.6 MB in the end (delta: -46.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:43,950 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 113.2 MB. Free memory is still 66.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:24:43,954 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.76 ms. Allocated memory was 113.2 MB in the beginning and 157.3 MB in the end (delta: 44.0 MB). Free memory was 81.8 MB in the beginning and 128.6 MB in the end (delta: -46.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:43,955 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 113.2 MB. Free memory is still 66.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 368.76 ms. Allocated memory was 113.2 MB in the beginning and 157.3 MB in the end (delta: 44.0 MB). Free memory was 81.8 MB in the beginning and 128.6 MB in the end (delta: -46.7 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: 504]: 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 02:24:46,103 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:24:46,105 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:24:46,137 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:24:46,137 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:24:46,139 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:24:46,140 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:24:46,143 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:24:46,145 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:24:46,146 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:24:46,147 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:24:46,149 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:24:46,150 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:24:46,151 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:24:46,152 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:24:46,153 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:24:46,154 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:24:46,155 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:24:46,158 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:24:46,160 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:24:46,162 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:24:46,169 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:24:46,170 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:24:46,171 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:24:46,174 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:24:46,175 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:24:46,175 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:24:46,176 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:24:46,177 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:24:46,178 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:24:46,178 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:24:46,179 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:24:46,180 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:24:46,190 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:24:46,191 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:24:46,192 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:24:46,192 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:24:46,193 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:24:46,193 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:24:46,194 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:24:46,195 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:24:46,198 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d4ffa1-b794-4913-a067-cd37d06d1a41/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:24:46,229 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:24:46,229 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:24:46,230 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:24:46,230 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:24:46,230 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:24:46,231 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:24:46,231 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:24:46,231 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:24:46,231 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:24:46,232 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:24:46,232 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:24:46,232 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:24:46,233 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:24:46,233 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:24:46,233 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:24:46,233 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:24:46,233 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:24:46,233 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:24:46,234 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:24:46,234 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:24:46,234 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:24:46,234 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:24:46,234 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:24:46,235 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:24:46,235 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:24:46,235 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:24:46,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:24:46,235 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:24:46,236 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:24:46,236 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:24:46,236 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:24:46,236 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:24:46,236 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:24:46,236 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:24:46,237 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:24:46,237 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_23d4ffa1-b794-4913-a067-cd37d06d1a41/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d4ffa1-b794-4913-a067-cd37d06d1a41/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8dfaf8ef68175aa3f4082d006a42419867490ad [2021-10-11 02:24:46,609 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:24:46,637 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:24:46,642 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:24:46,643 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:24:46,644 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:24:46,647 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d4ffa1-b794-4913-a067-cd37d06d1a41/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c [2021-10-11 02:24:46,726 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d4ffa1-b794-4913-a067-cd37d06d1a41/bin/utaipan-WLngWcDbfI/data/1b4a3a0f0/16c677ea76b947feadda784dc726914b/FLAG438ec63d6 [2021-10-11 02:24:47,389 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:24:47,390 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d4ffa1-b794-4913-a067-cd37d06d1a41/sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c [2021-10-11 02:24:47,407 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d4ffa1-b794-4913-a067-cd37d06d1a41/bin/utaipan-WLngWcDbfI/data/1b4a3a0f0/16c677ea76b947feadda784dc726914b/FLAG438ec63d6 [2021-10-11 02:24:47,628 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d4ffa1-b794-4913-a067-cd37d06d1a41/bin/utaipan-WLngWcDbfI/data/1b4a3a0f0/16c677ea76b947feadda784dc726914b [2021-10-11 02:24:47,630 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:24:47,632 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:24:47,633 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:24:47,633 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:24:47,637 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:24:47,637 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:24:47" (1/1) ... [2021-10-11 02:24:47,639 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@665efa9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:47, skipping insertion in model container [2021-10-11 02:24:47,639 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:24:47" (1/1) ... [2021-10-11 02:24:47,646 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:24:47,718 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:24:48,009 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_23d4ffa1-b794-4913-a067-cd37d06d1a41/sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c[17810,17823] [2021-10-11 02:24:48,012 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:24:48,025 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:24:48,033 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:24:48,094 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_23d4ffa1-b794-4913-a067-cd37d06d1a41/sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c[17810,17823] [2021-10-11 02:24:48,094 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:24:48,099 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:24:48,178 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_23d4ffa1-b794-4913-a067-cd37d06d1a41/sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c[17810,17823] [2021-10-11 02:24:48,178 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:24:48,227 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:24:48,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:48 WrapperNode [2021-10-11 02:24:48,228 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:24:48,229 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:24:48,229 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:24:48,229 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:24:48,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:48" (1/1) ... [2021-10-11 02:24:48,256 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:48" (1/1) ... [2021-10-11 02:24:48,315 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:24:48,316 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:24:48,316 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:24:48,316 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:24:48,324 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:48" (1/1) ... [2021-10-11 02:24:48,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:48" (1/1) ... [2021-10-11 02:24:48,330 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:48" (1/1) ... [2021-10-11 02:24:48,330 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:48" (1/1) ... [2021-10-11 02:24:48,358 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:48" (1/1) ... [2021-10-11 02:24:48,366 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:48" (1/1) ... [2021-10-11 02:24:48,369 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:48" (1/1) ... [2021-10-11 02:24:48,380 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:24:48,383 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:24:48,385 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:24:48,386 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:24:48,386 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:48" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d4ffa1-b794-4913-a067-cd37d06d1a41/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 02:24:48,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:24:48,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:24:48,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:24:48,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:24:50,777 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:24:50,778 INFO L299 CfgBuilder]: Removed 156 assume(true) statements. [2021-10-11 02:24:50,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:24:50 BoogieIcfgContainer [2021-10-11 02:24:50,780 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:24:50,781 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:24:50,781 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:24:50,784 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:24:50,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:24:47" (1/3) ... [2021-10-11 02:24:50,785 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c61a8e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:24:50, skipping insertion in model container [2021-10-11 02:24:50,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:48" (2/3) ... [2021-10-11 02:24:50,785 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c61a8e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:24:50, skipping insertion in model container [2021-10-11 02:24:50,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:24:50" (3/3) ... [2021-10-11 02:24:50,786 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product29.cil.c [2021-10-11 02:24:50,798 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:24:50,801 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:24:50,811 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:24:50,835 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:24:50,835 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:24:50,835 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:24:50,835 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:24:50,835 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:24:50,835 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:24:50,836 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:24:50,836 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:24:50,855 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states. [2021-10-11 02:24:50,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 02:24:50,870 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:24:50,871 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:24:50,871 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:24:50,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:24:50,877 INFO L82 PathProgramCache]: Analyzing trace with hash 1624388130, now seen corresponding path program 1 times [2021-10-11 02:24:50,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:24:50,892 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1107014220] [2021-10-11 02:24:50,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d4ffa1-b794-4913-a067-cd37d06d1a41/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 02:24:51,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:24:51,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:24:51,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:24:51,223 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 02:24:51,223 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:24:51,224 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1107014220] [2021-10-11 02:24:51,225 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:24:51,225 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:24:51,227 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208720346] [2021-10-11 02:24:51,230 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:24:51,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:24:51,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:24:51,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:24:51,246 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 2 states. [2021-10-11 02:24:51,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:24:51,300 INFO L93 Difference]: Finished difference Result 204 states and 305 transitions. [2021-10-11 02:24:51,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:24:51,302 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 02:24:51,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:24:51,320 INFO L225 Difference]: With dead ends: 204 [2021-10-11 02:24:51,320 INFO L226 Difference]: Without dead ends: 101 [2021-10-11 02:24:51,324 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 02:24:51,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2021-10-11 02:24:51,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2021-10-11 02:24:51,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2021-10-11 02:24:51,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 144 transitions. [2021-10-11 02:24:51,371 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 144 transitions. Word has length 16 [2021-10-11 02:24:51,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:24:51,372 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 144 transitions. [2021-10-11 02:24:51,372 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:24:51,372 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 144 transitions. [2021-10-11 02:24:51,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 02:24:51,375 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:24:51,375 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 02:24:51,585 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:24:51,586 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:24:51,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:24:51,587 INFO L82 PathProgramCache]: Analyzing trace with hash 577631233, now seen corresponding path program 1 times [2021-10-11 02:24:51,587 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:24:51,588 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [502709249] [2021-10-11 02:24:51,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d4ffa1-b794-4913-a067-cd37d06d1a41/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 02:24:51,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:24:51,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:24:51,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:24:51,825 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 02:24:51,826 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:24:51,826 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [502709249] [2021-10-11 02:24:51,826 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:24:51,826 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:24:51,826 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863392441] [2021-10-11 02:24:51,827 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:24:51,828 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:24:51,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:24:51,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:24:51,829 INFO L87 Difference]: Start difference. First operand 101 states and 144 transitions. Second operand 3 states. [2021-10-11 02:24:51,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:24:51,853 INFO L93 Difference]: Finished difference Result 101 states and 144 transitions. [2021-10-11 02:24:51,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:24:51,854 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 02:24:51,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:24:51,855 INFO L225 Difference]: With dead ends: 101 [2021-10-11 02:24:51,855 INFO L226 Difference]: Without dead ends: 43 [2021-10-11 02:24:51,870 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 02:24:51,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-10-11 02:24:51,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2021-10-11 02:24:51,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2021-10-11 02:24:51,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 61 transitions. [2021-10-11 02:24:51,876 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 61 transitions. Word has length 17 [2021-10-11 02:24:51,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:24:51,876 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 61 transitions. [2021-10-11 02:24:51,876 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:24:51,877 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2021-10-11 02:24:51,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 02:24:51,878 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:24:51,878 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 02:24:52,097 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:24:52,097 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:24:52,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:24:52,098 INFO L82 PathProgramCache]: Analyzing trace with hash -1301096006, now seen corresponding path program 1 times [2021-10-11 02:24:52,099 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:24:52,099 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1483962032] [2021-10-11 02:24:52,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d4ffa1-b794-4913-a067-cd37d06d1a41/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 02:24:52,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:24:52,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:24:52,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:24:52,285 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 02:24:52,285 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:24:52,286 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1483962032] [2021-10-11 02:24:52,286 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:24:52,286 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:24:52,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392218895] [2021-10-11 02:24:52,287 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:24:52,287 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:24:52,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:24:52,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:24:52,288 INFO L87 Difference]: Start difference. First operand 43 states and 61 transitions. Second operand 3 states. [2021-10-11 02:24:52,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:24:52,298 INFO L93 Difference]: Finished difference Result 80 states and 116 transitions. [2021-10-11 02:24:52,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:24:52,298 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2021-10-11 02:24:52,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:24:52,299 INFO L225 Difference]: With dead ends: 80 [2021-10-11 02:24:52,299 INFO L226 Difference]: Without dead ends: 43 [2021-10-11 02:24:52,300 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 02:24:52,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-10-11 02:24:52,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2021-10-11 02:24:52,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2021-10-11 02:24:52,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2021-10-11 02:24:52,307 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 22 [2021-10-11 02:24:52,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:24:52,308 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2021-10-11 02:24:52,308 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:24:52,308 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2021-10-11 02:24:52,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:24:52,309 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:24:52,309 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:24:52,531 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:24:52,531 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:24:52,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:24:52,532 INFO L82 PathProgramCache]: Analyzing trace with hash 1386148968, now seen corresponding path program 1 times [2021-10-11 02:24:52,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:24:52,532 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [640713784] [2021-10-11 02:24:52,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d4ffa1-b794-4913-a067-cd37d06d1a41/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 02:24:52,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:24:52,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:24:52,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:24:52,832 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 02:24:52,832 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:24:52,832 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [640713784] [2021-10-11 02:24:52,833 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:24:52,833 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:24:52,834 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018082690] [2021-10-11 02:24:52,835 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:24:52,835 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:24:52,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:24:52,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:24:52,838 INFO L87 Difference]: Start difference. First operand 43 states and 60 transitions. Second operand 5 states. [2021-10-11 02:24:53,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:24:53,002 INFO L93 Difference]: Finished difference Result 204 states and 303 transitions. [2021-10-11 02:24:53,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 02:24:53,003 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2021-10-11 02:24:53,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:24:53,010 INFO L225 Difference]: With dead ends: 204 [2021-10-11 02:24:53,010 INFO L226 Difference]: Without dead ends: 167 [2021-10-11 02:24:53,011 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 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 02:24:53,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2021-10-11 02:24:53,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 76. [2021-10-11 02:24:53,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2021-10-11 02:24:53,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 108 transitions. [2021-10-11 02:24:53,030 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 108 transitions. Word has length 24 [2021-10-11 02:24:53,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:24:53,031 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 108 transitions. [2021-10-11 02:24:53,031 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:24:53,031 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 108 transitions. [2021-10-11 02:24:53,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 02:24:53,032 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:24:53,032 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:24:53,249 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:24:53,249 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:24:53,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:24:53,250 INFO L82 PathProgramCache]: Analyzing trace with hash 1795216542, now seen corresponding path program 1 times [2021-10-11 02:24:53,250 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:24:53,251 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [917124466] [2021-10-11 02:24:53,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d4ffa1-b794-4913-a067-cd37d06d1a41/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 02:24:53,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:24:53,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:24:53,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:24:53,513 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 02:24:53,513 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:24:53,513 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [917124466] [2021-10-11 02:24:53,514 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:24:53,514 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:24:53,514 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692775287] [2021-10-11 02:24:53,515 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:24:53,515 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:24:53,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:24:53,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:24:53,516 INFO L87 Difference]: Start difference. First operand 76 states and 108 transitions. Second operand 5 states. [2021-10-11 02:24:53,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:24:53,643 INFO L93 Difference]: Finished difference Result 174 states and 257 transitions. [2021-10-11 02:24:53,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:24:53,644 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2021-10-11 02:24:53,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:24:53,644 INFO L225 Difference]: With dead ends: 174 [2021-10-11 02:24:53,644 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:24:53,651 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 23 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 02:24:53,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:24:53,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:24:53,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:24:53,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:24:53,657 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2021-10-11 02:24:53,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:24:53,657 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:24:53,657 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:24:53,658 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:24:53,658 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:24:53,873 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:24:53,874 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:24:54,384 INFO L258 CegarLoopResult]: At program point L927(lines 922 930) the Hoare annotation is: false [2021-10-11 02:24:54,384 INFO L258 CegarLoopResult]: At program point L927-1(lines 922 930) the Hoare annotation is: false [2021-10-11 02:24:54,384 INFO L262 CegarLoopResult]: For program point L861(lines 861 865) no Hoare annotation was computed. [2021-10-11 02:24:54,384 INFO L258 CegarLoopResult]: At program point L927-2(lines 922 930) the Hoare annotation is: false [2021-10-11 02:24:54,384 INFO L258 CegarLoopResult]: At program point L927-3(lines 922 930) the Hoare annotation is: false [2021-10-11 02:24:54,384 INFO L258 CegarLoopResult]: At program point L927-4(lines 922 930) the Hoare annotation is: false [2021-10-11 02:24:54,384 INFO L258 CegarLoopResult]: At program point L927-5(lines 922 930) the Hoare annotation is: false [2021-10-11 02:24:54,385 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 936) no Hoare annotation was computed. [2021-10-11 02:24:54,385 INFO L262 CegarLoopResult]: For program point L400(lines 400 407) no Hoare annotation was computed. [2021-10-11 02:24:54,385 INFO L265 CegarLoopResult]: At program point L400-1(lines 400 407) the Hoare annotation is: true [2021-10-11 02:24:54,385 INFO L262 CegarLoopResult]: For program point L236(lines 236 240) no Hoare annotation was computed. [2021-10-11 02:24:54,385 INFO L262 CegarLoopResult]: For program point L236-2(lines 236 240) no Hoare annotation was computed. [2021-10-11 02:24:54,385 INFO L262 CegarLoopResult]: For program point L236-3(lines 236 240) no Hoare annotation was computed. [2021-10-11 02:24:54,385 INFO L262 CegarLoopResult]: For program point L236-5(lines 236 240) no Hoare annotation was computed. [2021-10-11 02:24:54,385 INFO L262 CegarLoopResult]: For program point L236-6(lines 236 240) no Hoare annotation was computed. [2021-10-11 02:24:54,385 INFO L262 CegarLoopResult]: For program point L236-8(lines 236 240) no Hoare annotation was computed. [2021-10-11 02:24:54,385 INFO L262 CegarLoopResult]: For program point L236-9(lines 236 240) no Hoare annotation was computed. [2021-10-11 02:24:54,386 INFO L262 CegarLoopResult]: For program point L236-11(lines 236 240) no Hoare annotation was computed. [2021-10-11 02:24:54,386 INFO L262 CegarLoopResult]: For program point L236-12(lines 236 240) no Hoare annotation was computed. [2021-10-11 02:24:54,386 INFO L262 CegarLoopResult]: For program point L236-14(lines 236 240) no Hoare annotation was computed. [2021-10-11 02:24:54,386 INFO L262 CegarLoopResult]: For program point L236-15(lines 236 240) no Hoare annotation was computed. [2021-10-11 02:24:54,386 INFO L262 CegarLoopResult]: For program point L236-17(lines 236 240) no Hoare annotation was computed. [2021-10-11 02:24:54,386 INFO L262 CegarLoopResult]: For program point L270(lines 270 276) no Hoare annotation was computed. [2021-10-11 02:24:54,386 INFO L258 CegarLoopResult]: At program point L270-1(lines 270 276) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:24:54,386 INFO L258 CegarLoopResult]: At program point L436(lines 1 939) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:24:54,386 INFO L258 CegarLoopResult]: At program point L306(lines 259 307) the Hoare annotation is: false [2021-10-11 02:24:54,387 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 936) no Hoare annotation was computed. [2021-10-11 02:24:54,387 INFO L258 CegarLoopResult]: At program point L374(lines 370 376) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:24:54,387 INFO L258 CegarLoopResult]: At program point L242(lines 227 245) the Hoare annotation is: false [2021-10-11 02:24:54,387 INFO L258 CegarLoopResult]: At program point L242-1(lines 227 245) the Hoare annotation is: false [2021-10-11 02:24:54,387 INFO L258 CegarLoopResult]: At program point L242-2(lines 227 245) the Hoare annotation is: false [2021-10-11 02:24:54,387 INFO L258 CegarLoopResult]: At program point L242-3(lines 227 245) the Hoare annotation is: false [2021-10-11 02:24:54,387 INFO L258 CegarLoopResult]: At program point L242-4(lines 227 245) the Hoare annotation is: false [2021-10-11 02:24:54,387 INFO L258 CegarLoopResult]: At program point L242-5(lines 227 245) the Hoare annotation is: false [2021-10-11 02:24:54,387 INFO L262 CegarLoopResult]: For program point L936(line 936) no Hoare annotation was computed. [2021-10-11 02:24:54,387 INFO L262 CegarLoopResult]: For program point L936-1(line 936) no Hoare annotation was computed. [2021-10-11 02:24:54,387 INFO L262 CegarLoopResult]: For program point L936-2(line 936) no Hoare annotation was computed. [2021-10-11 02:24:54,388 INFO L265 CegarLoopResult]: At program point L409(lines 390 412) the Hoare annotation is: true [2021-10-11 02:24:54,388 INFO L258 CegarLoopResult]: At program point L178(lines 171 181) the Hoare annotation is: false [2021-10-11 02:24:54,388 INFO L258 CegarLoopResult]: At program point L178-1(lines 171 181) the Hoare annotation is: false [2021-10-11 02:24:54,388 INFO L258 CegarLoopResult]: At program point L178-2(lines 171 181) the Hoare annotation is: false [2021-10-11 02:24:54,388 INFO L262 CegarLoopResult]: For program point L873(lines 873 877) no Hoare annotation was computed. [2021-10-11 02:24:54,388 INFO L258 CegarLoopResult]: At program point L444(lines 439 447) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:24:54,388 INFO L262 CegarLoopResult]: For program point L280(lines 280 286) no Hoare annotation was computed. [2021-10-11 02:24:54,388 INFO L258 CegarLoopResult]: At program point L280-1(lines 280 286) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:24:54,388 INFO L262 CegarLoopResult]: For program point L117(lines 117 134) no Hoare annotation was computed. [2021-10-11 02:24:54,388 INFO L262 CegarLoopResult]: For program point L117-1(lines 117 134) no Hoare annotation was computed. [2021-10-11 02:24:54,389 INFO L262 CegarLoopResult]: For program point L117-2(lines 117 134) no Hoare annotation was computed. [2021-10-11 02:24:54,389 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:24:54,389 INFO L258 CegarLoopResult]: At program point L187(lines 182 190) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:24:54,389 INFO L258 CegarLoopResult]: At program point L187-1(lines 182 190) the Hoare annotation is: false [2021-10-11 02:24:54,389 INFO L262 CegarLoopResult]: For program point L121(lines 121 129) no Hoare annotation was computed. [2021-10-11 02:24:54,389 INFO L258 CegarLoopResult]: At program point L187-2(lines 182 190) the Hoare annotation is: false [2021-10-11 02:24:54,389 INFO L262 CegarLoopResult]: For program point L121-1(lines 121 129) no Hoare annotation was computed. [2021-10-11 02:24:54,389 INFO L262 CegarLoopResult]: For program point L121-2(lines 121 129) no Hoare annotation was computed. [2021-10-11 02:24:54,389 INFO L262 CegarLoopResult]: For program point L849(lines 849 853) no Hoare annotation was computed. [2021-10-11 02:24:54,389 INFO L262 CegarLoopResult]: For program point L849-3(lines 849 853) no Hoare annotation was computed. [2021-10-11 02:24:54,389 INFO L262 CegarLoopResult]: For program point L849-6(lines 849 853) no Hoare annotation was computed. [2021-10-11 02:24:54,390 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:24:54,390 INFO L262 CegarLoopResult]: For program point L91(lines 91 108) no Hoare annotation was computed. [2021-10-11 02:24:54,390 INFO L262 CegarLoopResult]: For program point L91-1(lines 91 108) no Hoare annotation was computed. [2021-10-11 02:24:54,390 INFO L262 CegarLoopResult]: For program point L91-2(lines 91 108) no Hoare annotation was computed. [2021-10-11 02:24:54,390 INFO L262 CegarLoopResult]: For program point L91-3(lines 91 108) no Hoare annotation was computed. [2021-10-11 02:24:54,390 INFO L262 CegarLoopResult]: For program point L91-4(lines 91 108) no Hoare annotation was computed. [2021-10-11 02:24:54,390 INFO L262 CegarLoopResult]: For program point L91-5(lines 91 108) no Hoare annotation was computed. [2021-10-11 02:24:54,390 INFO L262 CegarLoopResult]: For program point L290(lines 290 301) no Hoare annotation was computed. [2021-10-11 02:24:54,390 INFO L258 CegarLoopResult]: At program point L59(lines 58 77) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:24:54,390 INFO L262 CegarLoopResult]: For program point L59-1(lines 59 65) no Hoare annotation was computed. [2021-10-11 02:24:54,390 INFO L258 CegarLoopResult]: At program point L59-2(lines 58 77) the Hoare annotation is: false [2021-10-11 02:24:54,391 INFO L258 CegarLoopResult]: At program point L59-3(lines 58 77) the Hoare annotation is: false [2021-10-11 02:24:54,391 INFO L258 CegarLoopResult]: At program point L886(lines 881 889) the Hoare annotation is: false [2021-10-11 02:24:54,391 INFO L258 CegarLoopResult]: At program point L886-1(lines 881 889) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:24:54,391 INFO L258 CegarLoopResult]: At program point L886-2(lines 881 889) the Hoare annotation is: false [2021-10-11 02:24:54,391 INFO L258 CegarLoopResult]: At program point L886-3(lines 881 889) the Hoare annotation is: false [2021-10-11 02:24:54,391 INFO L258 CegarLoopResult]: At program point L886-4(lines 881 889) the Hoare annotation is: false [2021-10-11 02:24:54,391 INFO L258 CegarLoopResult]: At program point L886-5(lines 881 889) the Hoare annotation is: false [2021-10-11 02:24:54,391 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:24:54,391 INFO L262 CegarLoopResult]: For program point L458(lines 458 471) no Hoare annotation was computed. [2021-10-11 02:24:54,391 INFO L258 CegarLoopResult]: At program point L458-1(lines 1 939) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:24:54,392 INFO L262 CegarLoopResult]: For program point L458-2(lines 458 471) no Hoare annotation was computed. [2021-10-11 02:24:54,392 INFO L258 CegarLoopResult]: At program point L458-3(lines 1 939) the Hoare annotation is: false [2021-10-11 02:24:54,392 INFO L262 CegarLoopResult]: For program point L458-4(lines 458 471) no Hoare annotation was computed. [2021-10-11 02:24:54,392 INFO L258 CegarLoopResult]: At program point L458-5(lines 1 939) the Hoare annotation is: false [2021-10-11 02:24:54,392 INFO L258 CegarLoopResult]: At program point L326-2(lines 326 340) the Hoare annotation is: false [2021-10-11 02:24:54,392 INFO L262 CegarLoopResult]: For program point L95(lines 95 103) no Hoare annotation was computed. [2021-10-11 02:24:54,392 INFO L262 CegarLoopResult]: For program point L95-1(lines 95 103) no Hoare annotation was computed. [2021-10-11 02:24:54,392 INFO L262 CegarLoopResult]: For program point L95-2(lines 95 103) no Hoare annotation was computed. [2021-10-11 02:24:54,392 INFO L262 CegarLoopResult]: For program point L95-3(lines 95 103) no Hoare annotation was computed. [2021-10-11 02:24:54,392 INFO L262 CegarLoopResult]: For program point L95-4(lines 95 103) no Hoare annotation was computed. [2021-10-11 02:24:54,392 INFO L262 CegarLoopResult]: For program point L95-5(lines 95 103) no Hoare annotation was computed. [2021-10-11 02:24:54,392 INFO L262 CegarLoopResult]: For program point L327(line 327) no Hoare annotation was computed. [2021-10-11 02:24:54,393 INFO L262 CegarLoopResult]: For program point L261(lines 260 305) no Hoare annotation was computed. [2021-10-11 02:24:54,393 INFO L262 CegarLoopResult]: For program point L262(lines 262 266) no Hoare annotation was computed. [2021-10-11 02:24:54,393 INFO L262 CegarLoopResult]: For program point L296(lines 296 300) no Hoare annotation was computed. [2021-10-11 02:24:54,393 INFO L262 CegarLoopResult]: For program point L296-2(lines 59 65) no Hoare annotation was computed. [2021-10-11 02:24:54,393 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:24:54,393 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 936) no Hoare annotation was computed. [2021-10-11 02:24:54,399 INFO L262 CegarLoopResult]: For program point L462(lines 462 468) no Hoare annotation was computed. [2021-10-11 02:24:54,400 INFO L262 CegarLoopResult]: For program point L462-2(lines 462 468) no Hoare annotation was computed. [2021-10-11 02:24:54,400 INFO L262 CegarLoopResult]: For program point L330(lines 330 334) no Hoare annotation was computed. [2021-10-11 02:24:54,400 INFO L262 CegarLoopResult]: For program point L462-4(lines 462 468) no Hoare annotation was computed. [2021-10-11 02:24:54,400 INFO L262 CegarLoopResult]: For program point L330-1(lines 59 65) no Hoare annotation was computed. [2021-10-11 02:24:54,400 INFO L258 CegarLoopResult]: At program point L66(lines 66 72) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:24:54,400 INFO L258 CegarLoopResult]: At program point L66-1(lines 66 72) the Hoare annotation is: false [2021-10-11 02:24:54,401 INFO L258 CegarLoopResult]: At program point L66-2(lines 66 72) the Hoare annotation is: false [2021-10-11 02:24:54,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:24:54 BoogieIcfgContainer [2021-10-11 02:24:54,435 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:24:54,436 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:24:54,436 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:24:54,436 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:24:54,437 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:24:50" (3/4) ... [2021-10-11 02:24:54,440 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:24:54,464 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:24:54,466 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:24:54,467 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:24:54,468 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:24:54,469 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:24:54,472 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:24:54,473 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:24:54,503 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2021-10-11 02:24:54,597 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d4ffa1-b794-4913-a067-cd37d06d1a41/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:24:54,598 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:24:54,599 INFO L168 Benchmark]: Toolchain (without parser) took 6966.64 ms. Allocated memory was 62.9 MB in the beginning and 107.0 MB in the end (delta: 44.0 MB). Free memory was 41.8 MB in the beginning and 41.2 MB in the end (delta: 597.7 kB). Peak memory consumption was 43.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:54,600 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 62.9 MB. Free memory is still 43.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:24:54,600 INFO L168 Benchmark]: CACSL2BoogieTranslator took 595.19 ms. Allocated memory is still 62.9 MB. Free memory was 41.5 MB in the beginning and 28.4 MB in the end (delta: 13.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:54,601 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.41 ms. Allocated memory is still 62.9 MB. Free memory was 28.2 MB in the beginning and 44.6 MB in the end (delta: -16.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:54,601 INFO L168 Benchmark]: Boogie Preprocessor took 66.20 ms. Allocated memory is still 62.9 MB. Free memory was 44.6 MB in the beginning and 42.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:54,602 INFO L168 Benchmark]: RCFGBuilder took 2396.92 ms. Allocated memory was 62.9 MB in the beginning and 88.1 MB in the end (delta: 25.2 MB). Free memory was 42.0 MB in the beginning and 52.2 MB in the end (delta: -10.2 MB). Peak memory consumption was 32.0 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:54,602 INFO L168 Benchmark]: TraceAbstraction took 3654.40 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 51.3 MB in the beginning and 49.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 30.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:54,602 INFO L168 Benchmark]: Witness Printer took 161.87 ms. Allocated memory is still 107.0 MB. Free memory was 49.7 MB in the beginning and 41.2 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:54,605 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 62.9 MB. Free memory is still 43.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 595.19 ms. Allocated memory is still 62.9 MB. Free memory was 41.5 MB in the beginning and 28.4 MB in the end (delta: 13.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 86.41 ms. Allocated memory is still 62.9 MB. Free memory was 28.2 MB in the beginning and 44.6 MB in the end (delta: -16.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 66.20 ms. Allocated memory is still 62.9 MB. Free memory was 44.6 MB in the beginning and 42.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2396.92 ms. Allocated memory was 62.9 MB in the beginning and 88.1 MB in the end (delta: 25.2 MB). Free memory was 42.0 MB in the beginning and 52.2 MB in the end (delta: -10.2 MB). Peak memory consumption was 32.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3654.40 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 51.3 MB in the beginning and 49.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 30.7 MB. Max. memory is 16.1 GB. * Witness Printer took 161.87 ms. Allocated memory is still 107.0 MB. Free memory was 49.7 MB in the beginning and 41.2 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 936]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 936]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 936]: 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: 390]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 370]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 326]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 105 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 412 SDtfs, 406 SDslu, 332 SDs, 0 SdLazy, 58 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 107 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=105occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 91 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 42 PreInvPairs, 77 NumberOfFragments, 155 HoareAnnotationTreeSize, 42 FomulaSimplifications, 1005 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 42 FomulaSimplificationsInter, 233 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 4655 SizeOfPredicates, 7 NumberOfNonLiveVariables, 975 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...