./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product21.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product21.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/bin/utaipan-UUZaoUuFF8 --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 cb1c81112da7426f28a4c2690555e17bdc3cfadcaf288b3cb23a3bbf0c5e9fe6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 00:54:02,169 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 00:54:02,172 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 00:54:02,212 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 00:54:02,213 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 00:54:02,217 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 00:54:02,219 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 00:54:02,223 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 00:54:02,225 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 00:54:02,231 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 00:54:02,232 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 00:54:02,234 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 00:54:02,235 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 00:54:02,238 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 00:54:02,241 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 00:54:02,250 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 00:54:02,252 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 00:54:02,253 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 00:54:02,257 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 00:54:02,266 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 00:54:02,268 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 00:54:02,270 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 00:54:02,273 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 00:54:02,274 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 00:54:02,283 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 00:54:02,284 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 00:54:02,284 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 00:54:02,287 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 00:54:02,287 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 00:54:02,289 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 00:54:02,290 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 00:54:02,291 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 00:54:02,292 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 00:54:02,294 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 00:54:02,295 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 00:54:02,296 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 00:54:02,296 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 00:54:02,297 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 00:54:02,297 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 00:54:02,298 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 00:54:02,299 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 00:54:02,300 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 00:54:02,335 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 00:54:02,336 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 00:54:02,338 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 00:54:02,339 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 00:54:02,339 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 00:54:02,339 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 00:54:02,339 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 00:54:02,339 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 00:54:02,340 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 00:54:02,340 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 00:54:02,341 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 00:54:02,341 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 00:54:02,342 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 00:54:02,342 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 00:54:02,342 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 00:54:02,343 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 00:54:02,343 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 00:54:02,343 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 00:54:02,344 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 00:54:02,344 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 00:54:02,344 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 00:54:02,344 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 00:54:02,344 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 00:54:02,345 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 00:54:02,345 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 00:54:02,345 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 00:54:02,345 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 00:54:02,345 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 00:54:02,346 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 00:54:02,346 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 00:54:02,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:54:02,346 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 00:54:02,347 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 00:54:02,347 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 00:54:02,347 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 00:54:02,347 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 00:54:02,348 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 00:54:02,348 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 00:54:02,348 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 00:54:02,348 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_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb1c81112da7426f28a4c2690555e17bdc3cfadcaf288b3cb23a3bbf0c5e9fe6 [2021-11-07 00:54:02,615 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 00:54:02,637 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 00:54:02,639 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 00:54:02,641 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 00:54:02,642 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 00:54:02,643 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec3_product21.cil.c [2021-11-07 00:54:02,713 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/bin/utaipan-UUZaoUuFF8/data/01df80205/80b23ee1e3ed4c5e8c9376708605d2bf/FLAG077640d83 [2021-11-07 00:54:03,197 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 00:54:03,198 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/sv-benchmarks/c/product-lines/minepump_spec3_product21.cil.c [2021-11-07 00:54:03,225 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/bin/utaipan-UUZaoUuFF8/data/01df80205/80b23ee1e3ed4c5e8c9376708605d2bf/FLAG077640d83 [2021-11-07 00:54:03,519 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/bin/utaipan-UUZaoUuFF8/data/01df80205/80b23ee1e3ed4c5e8c9376708605d2bf [2021-11-07 00:54:03,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 00:54:03,523 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 00:54:03,535 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 00:54:03,535 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 00:54:03,538 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 00:54:03,538 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:54:03" (1/1) ... [2021-11-07 00:54:03,540 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6678e912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:03, skipping insertion in model container [2021-11-07 00:54:03,540 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:54:03" (1/1) ... [2021-11-07 00:54:03,546 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 00:54:03,613 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:54:03,864 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/sv-benchmarks/c/product-lines/minepump_spec3_product21.cil.c[13817,13830] [2021-11-07 00:54:03,891 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:54:03,911 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) [2021-11-07 00:54:03,911 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@94eaa1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:03, skipping insertion in model container [2021-11-07 00:54:03,911 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 00:54:03,912 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 00:54:03,914 INFO L168 Benchmark]: Toolchain (without parser) took 389.55 ms. Allocated memory is still 96.5 MB. Free memory was 54.9 MB in the beginning and 68.7 MB in the end (delta: -13.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 00:54:03,915 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 96.5 MB. Free memory is still 72.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 00:54:03,916 INFO L168 Benchmark]: CACSL2BoogieTranslator took 377.29 ms. Allocated memory is still 96.5 MB. Free memory was 54.7 MB in the beginning and 68.7 MB in the end (delta: -14.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 00:54:03,917 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 96.5 MB. Free memory is still 72.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 377.29 ms. Allocated memory is still 96.5 MB. Free memory was 54.7 MB in the beginning and 68.7 MB in the end (delta: -14.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 78]: 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product21.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/bin/utaipan-UUZaoUuFF8 --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 cb1c81112da7426f28a4c2690555e17bdc3cfadcaf288b3cb23a3bbf0c5e9fe6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 00:54:06,193 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 00:54:06,196 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 00:54:06,252 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 00:54:06,253 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 00:54:06,258 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 00:54:06,260 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 00:54:06,264 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 00:54:06,268 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 00:54:06,276 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 00:54:06,278 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 00:54:06,280 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 00:54:06,280 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 00:54:06,283 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 00:54:06,285 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 00:54:06,290 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 00:54:06,291 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 00:54:06,293 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 00:54:06,295 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 00:54:06,302 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 00:54:06,304 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 00:54:06,306 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 00:54:06,308 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 00:54:06,311 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 00:54:06,317 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 00:54:06,318 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 00:54:06,318 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 00:54:06,321 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 00:54:06,321 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 00:54:06,322 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 00:54:06,323 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 00:54:06,324 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 00:54:06,326 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 00:54:06,327 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 00:54:06,328 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 00:54:06,328 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 00:54:06,329 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 00:54:06,329 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 00:54:06,329 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 00:54:06,330 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 00:54:06,331 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 00:54:06,332 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 00:54:06,379 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 00:54:06,379 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 00:54:06,381 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 00:54:06,381 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 00:54:06,381 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 00:54:06,381 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 00:54:06,382 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 00:54:06,382 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 00:54:06,382 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 00:54:06,383 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 00:54:06,384 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 00:54:06,385 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 00:54:06,385 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 00:54:06,385 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 00:54:06,385 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 00:54:06,386 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 00:54:06,386 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 00:54:06,386 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 00:54:06,386 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 00:54:06,386 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 00:54:06,386 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 00:54:06,387 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 00:54:06,387 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 00:54:06,387 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 00:54:06,387 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 00:54:06,387 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 00:54:06,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:54:06,388 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 00:54:06,388 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 00:54:06,388 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 00:54:06,388 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 00:54:06,389 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 00:54:06,389 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 00:54:06,389 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 00:54:06,390 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 00:54:06,390 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_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb1c81112da7426f28a4c2690555e17bdc3cfadcaf288b3cb23a3bbf0c5e9fe6 [2021-11-07 00:54:06,838 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 00:54:06,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 00:54:06,872 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 00:54:06,874 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 00:54:06,874 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 00:54:06,875 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec3_product21.cil.c [2021-11-07 00:54:06,971 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/bin/utaipan-UUZaoUuFF8/data/16cd73618/a9b987662d874866b883ac105f7fbd97/FLAG80c7638f1 [2021-11-07 00:54:07,648 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 00:54:07,651 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/sv-benchmarks/c/product-lines/minepump_spec3_product21.cil.c [2021-11-07 00:54:07,671 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/bin/utaipan-UUZaoUuFF8/data/16cd73618/a9b987662d874866b883ac105f7fbd97/FLAG80c7638f1 [2021-11-07 00:54:07,898 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/bin/utaipan-UUZaoUuFF8/data/16cd73618/a9b987662d874866b883ac105f7fbd97 [2021-11-07 00:54:07,904 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 00:54:07,905 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 00:54:07,907 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 00:54:07,907 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 00:54:07,920 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 00:54:07,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:54:07" (1/1) ... [2021-11-07 00:54:07,922 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7df753cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:07, skipping insertion in model container [2021-11-07 00:54:07,922 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:54:07" (1/1) ... [2021-11-07 00:54:07,931 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 00:54:07,981 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:54:08,288 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/sv-benchmarks/c/product-lines/minepump_spec3_product21.cil.c[13817,13830] [2021-11-07 00:54:08,349 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:54:08,376 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 00:54:08,391 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:54:08,476 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/sv-benchmarks/c/product-lines/minepump_spec3_product21.cil.c[13817,13830] [2021-11-07 00:54:08,488 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:54:08,509 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 00:54:08,583 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/sv-benchmarks/c/product-lines/minepump_spec3_product21.cil.c[13817,13830] [2021-11-07 00:54:08,599 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:54:08,631 INFO L208 MainTranslator]: Completed translation [2021-11-07 00:54:08,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:08 WrapperNode [2021-11-07 00:54:08,632 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 00:54:08,634 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 00:54:08,634 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 00:54:08,634 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 00:54:08,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:08" (1/1) ... [2021-11-07 00:54:08,672 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:08" (1/1) ... [2021-11-07 00:54:08,738 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 00:54:08,739 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 00:54:08,739 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 00:54:08,739 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 00:54:08,748 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:08" (1/1) ... [2021-11-07 00:54:08,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:08" (1/1) ... [2021-11-07 00:54:08,754 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:08" (1/1) ... [2021-11-07 00:54:08,754 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:08" (1/1) ... [2021-11-07 00:54:08,769 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:08" (1/1) ... [2021-11-07 00:54:08,777 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:08" (1/1) ... [2021-11-07 00:54:08,780 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:08" (1/1) ... [2021-11-07 00:54:08,785 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 00:54:08,787 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 00:54:08,787 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 00:54:08,787 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 00:54:08,788 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:08" (1/1) ... [2021-11-07 00:54:08,805 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:54:08,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 00:54:08,828 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 00:54:08,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 00:54:08,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 00:54:08,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 00:54:08,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 00:54:08,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 00:54:11,163 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 00:54:11,163 INFO L299 CfgBuilder]: Removed 162 assume(true) statements. [2021-11-07 00:54:11,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:54:11 BoogieIcfgContainer [2021-11-07 00:54:11,166 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 00:54:11,167 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 00:54:11,168 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 00:54:11,171 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 00:54:11,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:54:07" (1/3) ... [2021-11-07 00:54:11,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c42490b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:54:11, skipping insertion in model container [2021-11-07 00:54:11,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:08" (2/3) ... [2021-11-07 00:54:11,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c42490b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:54:11, skipping insertion in model container [2021-11-07 00:54:11,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:54:11" (3/3) ... [2021-11-07 00:54:11,175 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product21.cil.c [2021-11-07 00:54:11,180 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 00:54:11,181 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-07 00:54:11,229 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 00:54:11,236 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 00:54:11,236 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-07 00:54:11,253 INFO L276 IsEmpty]: Start isEmpty. Operand has 111 states, 107 states have (on average 1.5420560747663552) internal successors, (165), 110 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:11,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-07 00:54:11,260 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:54:11,261 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:54:11,262 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:54:11,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:54:11,268 INFO L85 PathProgramCache]: Analyzing trace with hash -1669144853, now seen corresponding path program 1 times [2021-11-07 00:54:11,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:54:11,282 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1183011504] [2021-11-07 00:54:11,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:54:11,283 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:54:11,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:54:11,289 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:54:11,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 00:54:11,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:54:11,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 00:54:11,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:54:11,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:54:11,649 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:54:11,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:54:11,724 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:54:11,725 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1183011504] [2021-11-07 00:54:11,726 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1183011504] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:54:11,727 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:54:11,727 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 00:54:11,729 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445453032] [2021-11-07 00:54:11,735 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 00:54:11,735 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:54:11,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 00:54:11,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 00:54:11,757 INFO L87 Difference]: Start difference. First operand has 111 states, 107 states have (on average 1.5420560747663552) internal successors, (165), 110 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:11,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:54:11,813 INFO L93 Difference]: Finished difference Result 216 states and 323 transitions. [2021-11-07 00:54:11,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 00:54:11,814 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-07 00:54:11,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:54:11,828 INFO L225 Difference]: With dead ends: 216 [2021-11-07 00:54:11,828 INFO L226 Difference]: Without dead ends: 107 [2021-11-07 00:54:11,833 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 00:54:11,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-11-07 00:54:11,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2021-11-07 00:54:11,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 104 states have (on average 1.4711538461538463) internal successors, (153), 106 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:11,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 153 transitions. [2021-11-07 00:54:11,892 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 153 transitions. Word has length 18 [2021-11-07 00:54:11,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:54:11,892 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 153 transitions. [2021-11-07 00:54:11,893 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:11,893 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 153 transitions. [2021-11-07 00:54:11,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-07 00:54:11,897 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:54:11,897 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:54:11,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 00:54:12,109 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:54:12,110 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:54:12,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:54:12,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1714791690, now seen corresponding path program 1 times [2021-11-07 00:54:12,111 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:54:12,112 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1509038851] [2021-11-07 00:54:12,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:54:12,112 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:54:12,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:54:12,129 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:54:12,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 00:54:12,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:54:12,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 00:54:12,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:54:12,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:54:12,392 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:54:12,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:54:12,467 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:54:12,468 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1509038851] [2021-11-07 00:54:12,468 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1509038851] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:54:12,468 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:54:12,468 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 00:54:12,468 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932007903] [2021-11-07 00:54:12,470 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 00:54:12,470 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:54:12,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 00:54:12,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:54:12,472 INFO L87 Difference]: Start difference. First operand 107 states and 153 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:12,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:54:12,485 INFO L93 Difference]: Finished difference Result 107 states and 153 transitions. [2021-11-07 00:54:12,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 00:54:12,486 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-11-07 00:54:12,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:54:12,487 INFO L225 Difference]: With dead ends: 107 [2021-11-07 00:54:12,487 INFO L226 Difference]: Without dead ends: 45 [2021-11-07 00:54:12,488 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:54:12,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-11-07 00:54:12,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2021-11-07 00:54:12,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 44 states have (on average 1.4545454545454546) internal successors, (64), 44 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:12,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2021-11-07 00:54:12,493 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 19 [2021-11-07 00:54:12,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:54:12,494 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2021-11-07 00:54:12,494 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:12,494 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2021-11-07 00:54:12,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-07 00:54:12,495 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:54:12,495 INFO L513 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] [2021-11-07 00:54:12,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 00:54:12,707 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:54:12,707 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:54:12,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:54:12,708 INFO L85 PathProgramCache]: Analyzing trace with hash -458606052, now seen corresponding path program 1 times [2021-11-07 00:54:12,709 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:54:12,709 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1979522834] [2021-11-07 00:54:12,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:54:12,710 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:54:12,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:54:12,711 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:54:12,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 00:54:12,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:54:12,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 00:54:12,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:54:13,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:54:13,008 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:54:13,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:54:13,126 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:54:13,126 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1979522834] [2021-11-07 00:54:13,127 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1979522834] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:54:13,127 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:54:13,127 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-07 00:54:13,127 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466361323] [2021-11-07 00:54:13,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 00:54:13,128 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:54:13,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 00:54:13,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:54:13,129 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:13,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:54:13,144 INFO L93 Difference]: Finished difference Result 84 states and 122 transitions. [2021-11-07 00:54:13,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 00:54:13,150 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-07 00:54:13,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:54:13,151 INFO L225 Difference]: With dead ends: 84 [2021-11-07 00:54:13,153 INFO L226 Difference]: Without dead ends: 45 [2021-11-07 00:54:13,154 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:54:13,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-11-07 00:54:13,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2021-11-07 00:54:13,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 44 states have (on average 1.4318181818181819) internal successors, (63), 44 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:13,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 63 transitions. [2021-11-07 00:54:13,162 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 63 transitions. Word has length 24 [2021-11-07 00:54:13,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:54:13,163 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 63 transitions. [2021-11-07 00:54:13,164 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:13,164 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2021-11-07 00:54:13,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-07 00:54:13,167 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:54:13,167 INFO L513 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, 1] [2021-11-07 00:54:13,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 00:54:13,380 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:54:13,380 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:54:13,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:54:13,381 INFO L85 PathProgramCache]: Analyzing trace with hash 708469066, now seen corresponding path program 1 times [2021-11-07 00:54:13,382 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:54:13,382 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [82901648] [2021-11-07 00:54:13,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:54:13,384 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:54:13,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:54:13,385 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:54:13,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 00:54:13,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:54:13,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 00:54:13,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:54:13,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:54:13,745 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:54:13,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:54:13,890 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:54:13,890 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [82901648] [2021-11-07 00:54:13,890 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [82901648] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:54:13,890 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:54:13,891 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-11-07 00:54:13,891 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560868072] [2021-11-07 00:54:13,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 00:54:13,891 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:54:13,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 00:54:13,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 00:54:13,892 INFO L87 Difference]: Start difference. First operand 45 states and 63 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:14,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:54:14,265 INFO L93 Difference]: Finished difference Result 500 states and 749 transitions. [2021-11-07 00:54:14,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-07 00:54:14,266 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-11-07 00:54:14,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:54:14,270 INFO L225 Difference]: With dead ends: 500 [2021-11-07 00:54:14,270 INFO L226 Difference]: Without dead ends: 461 [2021-11-07 00:54:14,271 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2021-11-07 00:54:14,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2021-11-07 00:54:14,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 114. [2021-11-07 00:54:14,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 113 states have (on average 1.4424778761061947) internal successors, (163), 113 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:14,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 163 transitions. [2021-11-07 00:54:14,296 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 163 transitions. Word has length 26 [2021-11-07 00:54:14,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:54:14,296 INFO L470 AbstractCegarLoop]: Abstraction has 114 states and 163 transitions. [2021-11-07 00:54:14,297 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:14,297 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 163 transitions. [2021-11-07 00:54:14,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-07 00:54:14,298 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:54:14,299 INFO L513 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, 1, 1] [2021-11-07 00:54:14,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 00:54:14,511 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:54:14,511 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:54:14,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:54:14,511 INFO L85 PathProgramCache]: Analyzing trace with hash 99432520, now seen corresponding path program 1 times [2021-11-07 00:54:14,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:54:14,512 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1672348909] [2021-11-07 00:54:14,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:54:14,513 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:54:14,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:54:14,514 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:54:14,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 00:54:16,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 00:54:16,004 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 00:54:17,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 00:54:17,152 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-11-07 00:54:17,152 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-07 00:54:17,154 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 00:54:17,155 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 00:54:17,156 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 00:54:17,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 00:54:17,385 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:54:17,389 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-07 00:54:17,392 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 00:54:17,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 12:54:17 BoogieIcfgContainer [2021-11-07 00:54:17,531 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 00:54:17,531 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 00:54:17,532 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 00:54:17,532 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 00:54:17,532 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:54:11" (3/4) ... [2021-11-07 00:54:17,539 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-07 00:54:17,641 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 00:54:17,641 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 00:54:17,642 INFO L168 Benchmark]: Toolchain (without parser) took 9736.03 ms. Allocated memory was 60.8 MB in the beginning and 109.1 MB in the end (delta: 48.2 MB). Free memory was 39.6 MB in the beginning and 77.3 MB in the end (delta: -37.7 MB). Peak memory consumption was 44.4 MB. Max. memory is 16.1 GB. [2021-11-07 00:54:17,643 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 60.8 MB. Free memory is still 41.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 00:54:17,644 INFO L168 Benchmark]: CACSL2BoogieTranslator took 726.19 ms. Allocated memory is still 60.8 MB. Free memory was 39.5 MB in the beginning and 29.4 MB in the end (delta: 10.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-07 00:54:17,644 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.37 ms. Allocated memory was 60.8 MB in the beginning and 90.2 MB in the end (delta: 29.4 MB). Free memory was 29.4 MB in the beginning and 72.4 MB in the end (delta: -42.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. [2021-11-07 00:54:17,645 INFO L168 Benchmark]: Boogie Preprocessor took 47.06 ms. Allocated memory is still 90.2 MB. Free memory was 72.4 MB in the beginning and 69.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 00:54:17,646 INFO L168 Benchmark]: RCFGBuilder took 2379.49 ms. Allocated memory is still 90.2 MB. Free memory was 69.4 MB in the beginning and 67.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 16.1 GB. [2021-11-07 00:54:17,646 INFO L168 Benchmark]: TraceAbstraction took 6363.56 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 66.7 MB in the beginning and 44.2 MB in the end (delta: 22.5 MB). Peak memory consumption was 40.8 MB. Max. memory is 16.1 GB. [2021-11-07 00:54:17,647 INFO L168 Benchmark]: Witness Printer took 109.44 ms. Allocated memory is still 109.1 MB. Free memory was 44.2 MB in the beginning and 77.3 MB in the end (delta: -33.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 00:54:17,650 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 60.8 MB. Free memory is still 41.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 726.19 ms. Allocated memory is still 60.8 MB. Free memory was 39.5 MB in the beginning and 29.4 MB in the end (delta: 10.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 104.37 ms. Allocated memory was 60.8 MB in the beginning and 90.2 MB in the end (delta: 29.4 MB). Free memory was 29.4 MB in the beginning and 72.4 MB in the end (delta: -42.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 47.06 ms. Allocated memory is still 90.2 MB. Free memory was 72.4 MB in the beginning and 69.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2379.49 ms. Allocated memory is still 90.2 MB. Free memory was 69.4 MB in the beginning and 67.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6363.56 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 66.7 MB in the beginning and 44.2 MB in the end (delta: 22.5 MB). Peak memory consumption was 40.8 MB. Max. memory is 16.1 GB. * Witness Printer took 109.44 ms. Allocated memory is still 109.1 MB. Free memory was 44.2 MB in the beginning and 77.3 MB in the end (delta: -33.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 608]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L425] int pumpRunning = 0; [L426] int systemActive = 1; [L682] int waterLevel = 1; [L683] int methaneLevelCritical = 0; [L771] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L847] int retValue_acc ; [L848] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L930] int retValue_acc ; [L933] retValue_acc = 1 [L934] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L854] tmp = valid_product() [L856] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L617] int splverifierCounter ; [L618] int tmp ; [L619] int tmp___0 ; [L620] int tmp___1 ; [L621] int tmp___2 ; [L624] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L626] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L628] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L634] tmp = __VERIFIER_nondet_int() [L636] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L700] COND TRUE waterLevel < 2 [L701] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L644] tmp___0 = __VERIFIER_nondet_int() [L646] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L654] tmp___2 = __VERIFIER_nondet_int() [L656] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L433] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L440] COND TRUE \read(systemActive) [L488] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L491] COND FALSE !(\read(pumpRunning)) [L462] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L465] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L871] int tmp ; [L872] int tmp___0 ; [L873] int tmp___1 ; [L721] int retValue_acc ; [L724] retValue_acc = methaneLevelCritical [L725] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L877] tmp = isMethaneLevelCritical() [L879] COND FALSE !(\read(tmp)) [L753] int retValue_acc ; [L756] retValue_acc = waterLevel [L757] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L883] tmp___0 = getWaterLevel() [L885] COND TRUE tmp___0 == 2 [L540] int retValue_acc ; [L543] retValue_acc = pumpRunning [L544] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L887] tmp___1 = isPumpRunning() [L889] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L608] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - UnprovableResult [Line: 608]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 608]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 111 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 6.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 386 SDtfs, 746 SDslu, 804 SDs, 0 SdLazy, 133 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 175 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=114occurred in iteration=4, InterpolantAutomatonStates: 24, 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, 4 MinimizatonAttempts, 347 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 166 ConstructedInterpolants, 0 QuantifiedInterpolants, 359 SizeOfPredicates, 4 NumberOfNonLiveVariables, 791 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 incorrect! [2021-11-07 00:54:17,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f60cd0-c1da-461f-b5a0-0ae8c979b33b/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE