./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product07.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8589a92-6b74-4a5d-bf43-4f6c766f6fee/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8589a92-6b74-4a5d-bf43-4f6c766f6fee/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8589a92-6b74-4a5d-bf43-4f6c766f6fee/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8589a92-6b74-4a5d-bf43-4f6c766f6fee/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product07.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8589a92-6b74-4a5d-bf43-4f6c766f6fee/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8589a92-6b74-4a5d-bf43-4f6c766f6fee/bin/utaipan-WLngWcDbfI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 29f60ab23b0720fb228075ebf2c9266e59f8b9dd ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8589a92-6b74-4a5d-bf43-4f6c766f6fee/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8589a92-6b74-4a5d-bf43-4f6c766f6fee/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8589a92-6b74-4a5d-bf43-4f6c766f6fee/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8589a92-6b74-4a5d-bf43-4f6c766f6fee/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product07.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8589a92-6b74-4a5d-bf43-4f6c766f6fee/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8589a92-6b74-4a5d-bf43-4f6c766f6fee/bin/utaipan-WLngWcDbfI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 29f60ab23b0720fb228075ebf2c9266e59f8b9dd ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:20:31,143 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:20:31,147 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:20:31,205 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:20:31,206 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:20:31,212 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:20:31,215 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:20:31,220 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:20:31,223 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:20:31,233 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:20:31,235 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:20:31,236 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:20:31,237 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:20:31,240 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:20:31,242 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:20:31,244 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:20:31,246 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:20:31,251 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:20:31,254 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:20:31,263 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:20:31,265 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:20:31,267 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:20:31,271 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:20:31,273 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:20:31,283 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:20:31,284 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:20:31,284 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:20:31,287 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:20:31,288 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:20:31,289 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:20:31,290 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:20:31,291 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:20:31,294 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:20:31,295 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:20:31,296 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:20:31,297 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:20:31,298 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:20:31,298 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:20:31,298 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:20:31,300 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:20:31,301 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:20:31,302 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8589a92-6b74-4a5d-bf43-4f6c766f6fee/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:20:31,347 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:20:31,348 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:20:31,349 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:20:31,350 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:20:31,350 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:20:31,350 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:20:31,350 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:20:31,351 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:20:31,351 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:20:31,351 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:20:31,353 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:20:31,353 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:20:31,353 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:20:31,354 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:20:31,354 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:20:31,355 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:20:31,355 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:20:31,355 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:20:31,356 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:20:31,356 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:20:31,356 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:20:31,356 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:20:31,357 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:20:31,357 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:20:31,357 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:20:31,357 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:20:31,358 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:20:31,358 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:20:31,358 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:20:31,360 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:20:31,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:20:31,361 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:20:31,361 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:20:31,362 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:20:31,362 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:20:31,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:20:31,362 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:20:31,363 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:20:31,363 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:20:31,363 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_e8589a92-6b74-4a5d-bf43-4f6c766f6fee/bin/utaipan-WLngWcDbfI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8589a92-6b74-4a5d-bf43-4f6c766f6fee/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29f60ab23b0720fb228075ebf2c9266e59f8b9dd [2021-10-11 02:20:31,731 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:20:31,761 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:20:31,765 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:20:31,766 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:20:31,768 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:20:31,769 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8589a92-6b74-4a5d-bf43-4f6c766f6fee/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec1_product07.cil.c [2021-10-11 02:20:31,866 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8589a92-6b74-4a5d-bf43-4f6c766f6fee/bin/utaipan-WLngWcDbfI/data/b71a18fe6/b70e553bb1a241c598f43af10d34148b/FLAGc34c86a76 [2021-10-11 02:20:32,524 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:20:32,525 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8589a92-6b74-4a5d-bf43-4f6c766f6fee/sv-benchmarks/c/product-lines/minepump_spec1_product07.cil.c [2021-10-11 02:20:32,542 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8589a92-6b74-4a5d-bf43-4f6c766f6fee/bin/utaipan-WLngWcDbfI/data/b71a18fe6/b70e553bb1a241c598f43af10d34148b/FLAGc34c86a76 [2021-10-11 02:20:32,782 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8589a92-6b74-4a5d-bf43-4f6c766f6fee/bin/utaipan-WLngWcDbfI/data/b71a18fe6/b70e553bb1a241c598f43af10d34148b [2021-10-11 02:20:32,785 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:20:32,787 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:20:32,801 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:20:32,801 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:20:32,808 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:20:32,809 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:20:32" (1/1) ... [2021-10-11 02:20:32,813 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c263189 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:32, skipping insertion in model container [2021-10-11 02:20:32,815 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:20:32" (1/1) ... [2021-10-11 02:20:32,825 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:20:32,901 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:20:33,144 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8589a92-6b74-4a5d-bf43-4f6c766f6fee/sv-benchmarks/c/product-lines/minepump_spec1_product07.cil.c[2887,2900] [2021-10-11 02:20:33,252 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:20:33,272 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-11 02:20:33,273 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@58dde863 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:33, skipping insertion in model container [2021-10-11 02:20:33,273 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:20:33,273 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:20:33,276 INFO L168 Benchmark]: Toolchain (without parser) took 487.15 ms. Allocated memory is still 96.5 MB. Free memory was 53.5 MB in the beginning and 67.6 MB in the end (delta: -14.2 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:33,279 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 96.5 MB. Free memory was 71.0 MB in the beginning and 71.0 MB in the end (delta: 51.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:20:33,281 INFO L168 Benchmark]: CACSL2BoogieTranslator took 472.52 ms. Allocated memory is still 96.5 MB. Free memory was 53.3 MB in the beginning and 67.6 MB in the end (delta: -14.4 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:33,285 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 96.5 MB. Free memory was 71.0 MB in the beginning and 71.0 MB in the end (delta: 51.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 472.52 ms. Allocated memory is still 96.5 MB. Free memory was 53.3 MB in the beginning and 67.6 MB in the end (delta: -14.4 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 548]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:20:36,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:20:36,088 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:20:36,151 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:20:36,152 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:20:36,158 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:20:36,162 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:20:36,167 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:20:36,172 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:20:36,179 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:20:36,185 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:20:36,186 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:20:36,187 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:20:36,191 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:20:36,193 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:20:36,195 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:20:36,198 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:20:36,202 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:20:36,205 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:20:36,215 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:20:36,218 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:20:36,219 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:20:36,224 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:20:36,226 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:20:36,237 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:20:36,238 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:20:36,238 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:20:36,241 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:20:36,242 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:20:36,243 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:20:36,244 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:20:36,245 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:20:36,247 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:20:36,248 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:20:36,250 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:20:36,250 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:20:36,251 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:20:36,252 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:20:36,252 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:20:36,254 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:20:36,256 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:20:36,257 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8589a92-6b74-4a5d-bf43-4f6c766f6fee/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:20:36,307 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:20:36,307 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:20:36,309 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:20:36,309 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:20:36,310 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:20:36,310 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:20:36,310 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:20:36,310 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:20:36,311 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:20:36,312 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:20:36,314 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:20:36,314 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:20:36,314 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:20:36,315 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:20:36,315 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:20:36,315 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:20:36,316 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:20:36,316 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:20:36,316 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:20:36,316 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:20:36,317 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:20:36,317 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:20:36,317 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:20:36,318 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:20:36,318 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:20:36,318 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:20:36,318 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:20:36,319 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:20:36,319 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:20:36,319 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:20:36,320 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:20:36,320 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:20:36,320 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:20:36,320 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:20:36,321 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:20:36,321 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_e8589a92-6b74-4a5d-bf43-4f6c766f6fee/bin/utaipan-WLngWcDbfI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8589a92-6b74-4a5d-bf43-4f6c766f6fee/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29f60ab23b0720fb228075ebf2c9266e59f8b9dd [2021-10-11 02:20:36,790 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:20:36,835 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:20:36,839 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:20:36,842 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:20:36,843 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:20:36,844 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8589a92-6b74-4a5d-bf43-4f6c766f6fee/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec1_product07.cil.c [2021-10-11 02:20:36,938 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8589a92-6b74-4a5d-bf43-4f6c766f6fee/bin/utaipan-WLngWcDbfI/data/d3f2e6ee5/f36bb6f35f1b408cb0f79bbc178e84bb/FLAG61d3871c8 [2021-10-11 02:20:37,618 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:20:37,619 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8589a92-6b74-4a5d-bf43-4f6c766f6fee/sv-benchmarks/c/product-lines/minepump_spec1_product07.cil.c [2021-10-11 02:20:37,640 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8589a92-6b74-4a5d-bf43-4f6c766f6fee/bin/utaipan-WLngWcDbfI/data/d3f2e6ee5/f36bb6f35f1b408cb0f79bbc178e84bb/FLAG61d3871c8 [2021-10-11 02:20:37,908 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8589a92-6b74-4a5d-bf43-4f6c766f6fee/bin/utaipan-WLngWcDbfI/data/d3f2e6ee5/f36bb6f35f1b408cb0f79bbc178e84bb [2021-10-11 02:20:37,911 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:20:37,914 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:20:37,915 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:20:37,916 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:20:37,931 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:20:37,932 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:20:37" (1/1) ... [2021-10-11 02:20:37,935 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34b162e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:37, skipping insertion in model container [2021-10-11 02:20:37,937 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:20:37" (1/1) ... [2021-10-11 02:20:37,946 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:20:37,996 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:20:38,210 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8589a92-6b74-4a5d-bf43-4f6c766f6fee/sv-benchmarks/c/product-lines/minepump_spec1_product07.cil.c[2887,2900] [2021-10-11 02:20:38,450 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:20:38,483 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:20:38,505 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:20:38,539 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8589a92-6b74-4a5d-bf43-4f6c766f6fee/sv-benchmarks/c/product-lines/minepump_spec1_product07.cil.c[2887,2900] [2021-10-11 02:20:38,636 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:20:38,652 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:20:38,697 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8589a92-6b74-4a5d-bf43-4f6c766f6fee/sv-benchmarks/c/product-lines/minepump_spec1_product07.cil.c[2887,2900] [2021-10-11 02:20:38,745 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:20:38,784 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:20:38,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:38 WrapperNode [2021-10-11 02:20:38,785 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:20:38,787 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:20:38,787 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:20:38,787 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:20:38,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:38" (1/1) ... [2021-10-11 02:20:38,840 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:38" (1/1) ... [2021-10-11 02:20:38,907 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:20:38,915 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:20:38,917 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:20:38,918 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:20:38,940 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:38" (1/1) ... [2021-10-11 02:20:38,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:38" (1/1) ... [2021-10-11 02:20:38,957 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:38" (1/1) ... [2021-10-11 02:20:38,972 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:38" (1/1) ... [2021-10-11 02:20:38,985 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:38" (1/1) ... [2021-10-11 02:20:39,007 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:38" (1/1) ... [2021-10-11 02:20:39,010 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:38" (1/1) ... [2021-10-11 02:20:39,023 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:20:39,025 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:20:39,025 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:20:39,025 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:20:39,026 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:38" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8589a92-6b74-4a5d-bf43-4f6c766f6fee/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:20:39,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:20:39,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:20:39,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:20:39,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:20:42,089 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:20:42,090 INFO L299 CfgBuilder]: Removed 100 assume(true) statements. [2021-10-11 02:20:42,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:20:42 BoogieIcfgContainer [2021-10-11 02:20:42,095 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:20:42,097 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:20:42,097 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:20:42,101 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:20:42,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:20:37" (1/3) ... [2021-10-11 02:20:42,103 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71594a08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:20:42, skipping insertion in model container [2021-10-11 02:20:42,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:38" (2/3) ... [2021-10-11 02:20:42,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71594a08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:20:42, skipping insertion in model container [2021-10-11 02:20:42,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:20:42" (3/3) ... [2021-10-11 02:20:42,106 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product07.cil.c [2021-10-11 02:20:42,123 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:20:42,127 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:20:42,140 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:20:42,166 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:20:42,167 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:20:42,167 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:20:42,168 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:20:42,168 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:20:42,168 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:20:42,168 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:20:42,169 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:20:42,186 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2021-10-11 02:20:42,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 02:20:42,194 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:42,195 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:20:42,195 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:20:42,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:42,203 INFO L82 PathProgramCache]: Analyzing trace with hash -1114813757, now seen corresponding path program 1 times [2021-10-11 02:20:42,219 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:20:42,220 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [724257916] [2021-10-11 02:20:42,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8589a92-6b74-4a5d-bf43-4f6c766f6fee/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2021-10-11 02:20:42,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:20:42,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:20:42,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:20:42,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:20:42,597 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:20:42,598 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [724257916] [2021-10-11 02:20:42,599 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:20:42,599 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:20:42,600 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975489677] [2021-10-11 02:20:42,605 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:20:42,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:20:42,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:20:42,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:20:42,625 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 2 states. [2021-10-11 02:20:42,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:20:42,658 INFO L93 Difference]: Finished difference Result 136 states and 203 transitions. [2021-10-11 02:20:42,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:20:42,659 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 02:20:42,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:20:42,672 INFO L225 Difference]: With dead ends: 136 [2021-10-11 02:20:42,678 INFO L226 Difference]: Without dead ends: 67 [2021-10-11 02:20:42,683 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:20:42,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2021-10-11 02:20:42,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2021-10-11 02:20:42,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2021-10-11 02:20:42,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 93 transitions. [2021-10-11 02:20:42,727 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 93 transitions. Word has length 16 [2021-10-11 02:20:42,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:20:42,727 INFO L481 AbstractCegarLoop]: Abstraction has 67 states and 93 transitions. [2021-10-11 02:20:42,727 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:20:42,728 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2021-10-11 02:20:42,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 02:20:42,729 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:42,729 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:20:42,947 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:20:42,947 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:20:42,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:42,948 INFO L82 PathProgramCache]: Analyzing trace with hash 2133396642, now seen corresponding path program 1 times [2021-10-11 02:20:42,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:20:42,952 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [475985101] [2021-10-11 02:20:42,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8589a92-6b74-4a5d-bf43-4f6c766f6fee/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2021-10-11 02:20:43,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:20:43,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:20:43,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:20:43,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:20:43,296 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:20:43,296 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [475985101] [2021-10-11 02:20:43,297 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:20:43,297 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:20:43,297 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458679101] [2021-10-11 02:20:43,299 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:20:43,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:20:43,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:20:43,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:20:43,301 INFO L87 Difference]: Start difference. First operand 67 states and 93 transitions. Second operand 3 states. [2021-10-11 02:20:43,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:20:43,315 INFO L93 Difference]: Finished difference Result 67 states and 93 transitions. [2021-10-11 02:20:43,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:20:43,316 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 02:20:43,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:20:43,317 INFO L225 Difference]: With dead ends: 67 [2021-10-11 02:20:43,317 INFO L226 Difference]: Without dead ends: 33 [2021-10-11 02:20:43,319 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:20:43,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-11 02:20:43,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-11 02:20:43,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2021-10-11 02:20:43,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2021-10-11 02:20:43,326 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2021-10-11 02:20:43,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:20:43,326 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2021-10-11 02:20:43,327 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:20:43,327 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2021-10-11 02:20:43,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 02:20:43,328 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:43,328 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:20:43,548 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:20:43,549 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:20:43,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:43,553 INFO L82 PathProgramCache]: Analyzing trace with hash 719253894, now seen corresponding path program 1 times [2021-10-11 02:20:43,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:20:43,555 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [679250300] [2021-10-11 02:20:43,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8589a92-6b74-4a5d-bf43-4f6c766f6fee/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2021-10-11 02:20:43,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:20:43,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:20:43,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:20:43,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:20:43,825 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:20:43,825 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [679250300] [2021-10-11 02:20:43,825 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:20:43,826 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:20:43,826 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437192650] [2021-10-11 02:20:43,826 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:20:43,826 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:20:43,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:20:43,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:20:43,828 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 3 states. [2021-10-11 02:20:43,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:20:43,862 INFO L93 Difference]: Finished difference Result 87 states and 126 transitions. [2021-10-11 02:20:43,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:20:43,863 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2021-10-11 02:20:43,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:20:43,865 INFO L225 Difference]: With dead ends: 87 [2021-10-11 02:20:43,865 INFO L226 Difference]: Without dead ends: 60 [2021-10-11 02:20:43,866 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:20:43,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2021-10-11 02:20:43,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 56. [2021-10-11 02:20:43,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2021-10-11 02:20:43,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 81 transitions. [2021-10-11 02:20:43,897 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 81 transitions. Word has length 22 [2021-10-11 02:20:43,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:20:43,898 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 81 transitions. [2021-10-11 02:20:43,898 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:20:43,898 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 81 transitions. [2021-10-11 02:20:43,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-11 02:20:43,900 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:43,900 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:20:44,117 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:20:44,117 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:20:44,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:44,118 INFO L82 PathProgramCache]: Analyzing trace with hash -842737206, now seen corresponding path program 1 times [2021-10-11 02:20:44,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:20:44,119 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1228329744] [2021-10-11 02:20:44,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8589a92-6b74-4a5d-bf43-4f6c766f6fee/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2021-10-11 02:20:44,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:20:44,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:20:44,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:20:44,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:20:44,500 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:20:44,501 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1228329744] [2021-10-11 02:20:44,501 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:20:44,501 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:20:44,502 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548711532] [2021-10-11 02:20:44,503 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:20:44,504 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:20:44,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:20:44,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:20:44,510 INFO L87 Difference]: Start difference. First operand 56 states and 81 transitions. Second operand 5 states. [2021-10-11 02:20:44,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:20:44,750 INFO L93 Difference]: Finished difference Result 260 states and 398 transitions. [2021-10-11 02:20:44,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 02:20:44,751 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2021-10-11 02:20:44,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:20:44,762 INFO L225 Difference]: With dead ends: 260 [2021-10-11 02:20:44,763 INFO L226 Difference]: Without dead ends: 210 [2021-10-11 02:20:44,765 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:20:44,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2021-10-11 02:20:44,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 100. [2021-10-11 02:20:44,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2021-10-11 02:20:44,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 145 transitions. [2021-10-11 02:20:44,814 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 145 transitions. Word has length 23 [2021-10-11 02:20:44,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:20:44,816 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 145 transitions. [2021-10-11 02:20:44,816 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:20:44,817 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 145 transitions. [2021-10-11 02:20:44,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:20:44,820 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:44,820 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:20:45,038 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:20:45,038 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:20:45,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:45,039 INFO L82 PathProgramCache]: Analyzing trace with hash 1110121172, now seen corresponding path program 1 times [2021-10-11 02:20:45,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:20:45,040 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1466303622] [2021-10-11 02:20:45,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8589a92-6b74-4a5d-bf43-4f6c766f6fee/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2021-10-11 02:20:45,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:20:45,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:20:45,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:20:45,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:20:45,340 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:20:45,341 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1466303622] [2021-10-11 02:20:45,341 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:20:45,341 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:20:45,342 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175922878] [2021-10-11 02:20:45,342 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:20:45,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:20:45,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:20:45,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:20:45,344 INFO L87 Difference]: Start difference. First operand 100 states and 145 transitions. Second operand 5 states. [2021-10-11 02:20:45,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:20:45,494 INFO L93 Difference]: Finished difference Result 296 states and 443 transitions. [2021-10-11 02:20:45,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:20:45,495 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2021-10-11 02:20:45,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:20:45,496 INFO L225 Difference]: With dead ends: 296 [2021-10-11 02:20:45,496 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:20:45,499 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:20:45,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:20:45,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:20:45,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:20:45,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:20:45,500 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2021-10-11 02:20:45,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:20:45,501 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:20:45,501 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:20:45,501 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:20:45,501 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:20:45,721 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:20:45,723 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:20:46,190 INFO L262 CegarLoopResult]: For program point L349(lines 349 355) no Hoare annotation was computed. [2021-10-11 02:20:46,191 INFO L258 CegarLoopResult]: At program point L349-1(lines 349 355) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:20:46,191 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 160) no Hoare annotation was computed. [2021-10-11 02:20:46,191 INFO L258 CegarLoopResult]: At program point L184(lines 184 190) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:20:46,191 INFO L258 CegarLoopResult]: At program point L184-1(lines 184 190) the Hoare annotation is: false [2021-10-11 02:20:46,191 INFO L258 CegarLoopResult]: At program point L184-2(lines 184 190) the Hoare annotation is: false [2021-10-11 02:20:46,191 INFO L265 CegarLoopResult]: At program point L515(lines 496 518) the Hoare annotation is: true [2021-10-11 02:20:46,191 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:20:46,191 INFO L258 CegarLoopResult]: At program point L483(lines 479 485) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:20:46,192 INFO L262 CegarLoopResult]: For program point L54(lines 54 58) no Hoare annotation was computed. [2021-10-11 02:20:46,192 INFO L262 CegarLoopResult]: For program point L54-3(lines 54 58) no Hoare annotation was computed. [2021-10-11 02:20:46,192 INFO L262 CegarLoopResult]: For program point L54-6(lines 54 58) no Hoare annotation was computed. [2021-10-11 02:20:46,192 INFO L258 CegarLoopResult]: At program point L253(lines 246 256) the Hoare annotation is: false [2021-10-11 02:20:46,192 INFO L258 CegarLoopResult]: At program point L253-1(lines 246 256) the Hoare annotation is: false [2021-10-11 02:20:46,192 INFO L258 CegarLoopResult]: At program point L253-2(lines 246 256) the Hoare annotation is: false [2021-10-11 02:20:46,192 INFO L258 CegarLoopResult]: At program point L435-2(lines 435 449) the Hoare annotation is: false [2021-10-11 02:20:46,192 INFO L262 CegarLoopResult]: For program point L138(lines 138 151) no Hoare annotation was computed. [2021-10-11 02:20:46,192 INFO L258 CegarLoopResult]: At program point L138-1(lines 1 884) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:20:46,192 INFO L262 CegarLoopResult]: For program point L138-2(lines 138 151) no Hoare annotation was computed. [2021-10-11 02:20:46,193 INFO L258 CegarLoopResult]: At program point L138-3(lines 1 884) the Hoare annotation is: false [2021-10-11 02:20:46,193 INFO L262 CegarLoopResult]: For program point L138-4(lines 138 151) no Hoare annotation was computed. [2021-10-11 02:20:46,193 INFO L258 CegarLoopResult]: At program point L138-5(lines 1 884) the Hoare annotation is: false [2021-10-11 02:20:46,193 INFO L258 CegarLoopResult]: At program point L419(lines 414 422) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:20:46,193 INFO L262 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2021-10-11 02:20:46,193 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:20:46,193 INFO L258 CegarLoopResult]: At program point L91(lines 86 94) the Hoare annotation is: false [2021-10-11 02:20:46,193 INFO L258 CegarLoopResult]: At program point L91-1(lines 86 94) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:20:46,193 INFO L258 CegarLoopResult]: At program point L91-2(lines 86 94) the Hoare annotation is: false [2021-10-11 02:20:46,193 INFO L258 CegarLoopResult]: At program point L91-3(lines 86 94) the Hoare annotation is: false [2021-10-11 02:20:46,194 INFO L258 CegarLoopResult]: At program point L91-4(lines 86 94) the Hoare annotation is: false [2021-10-11 02:20:46,194 INFO L258 CegarLoopResult]: At program point L91-5(lines 86 94) the Hoare annotation is: false [2021-10-11 02:20:46,194 INFO L262 CegarLoopResult]: For program point L339(lines 339 345) no Hoare annotation was computed. [2021-10-11 02:20:46,194 INFO L258 CegarLoopResult]: At program point L339-1(lines 339 345) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:20:46,194 INFO L262 CegarLoopResult]: For program point L306(lines 306 312) no Hoare annotation was computed. [2021-10-11 02:20:46,194 INFO L258 CegarLoopResult]: At program point L306-1(lines 306 312) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:20:46,194 INFO L262 CegarLoopResult]: For program point L439(lines 439 443) no Hoare annotation was computed. [2021-10-11 02:20:46,194 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 160) no Hoare annotation was computed. [2021-10-11 02:20:46,194 INFO L262 CegarLoopResult]: For program point L439-1(lines 177 183) no Hoare annotation was computed. [2021-10-11 02:20:46,194 INFO L262 CegarLoopResult]: For program point L142(lines 142 148) no Hoare annotation was computed. [2021-10-11 02:20:46,194 INFO L262 CegarLoopResult]: For program point L142-2(lines 142 148) no Hoare annotation was computed. [2021-10-11 02:20:46,195 INFO L262 CegarLoopResult]: For program point L142-4(lines 142 148) no Hoare annotation was computed. [2021-10-11 02:20:46,195 INFO L262 CegarLoopResult]: For program point L506(lines 506 513) no Hoare annotation was computed. [2021-10-11 02:20:46,195 INFO L265 CegarLoopResult]: At program point L506-1(lines 506 513) the Hoare annotation is: true [2021-10-11 02:20:46,195 INFO L262 CegarLoopResult]: For program point L209(lines 209 226) no Hoare annotation was computed. [2021-10-11 02:20:46,195 INFO L262 CegarLoopResult]: For program point L209-1(lines 209 226) no Hoare annotation was computed. [2021-10-11 02:20:46,195 INFO L262 CegarLoopResult]: For program point L209-2(lines 209 226) no Hoare annotation was computed. [2021-10-11 02:20:46,195 INFO L262 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2021-10-11 02:20:46,195 INFO L262 CegarLoopResult]: For program point L160-1(line 160) no Hoare annotation was computed. [2021-10-11 02:20:46,195 INFO L262 CegarLoopResult]: For program point L160-2(line 160) no Hoare annotation was computed. [2021-10-11 02:20:46,195 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:20:46,195 INFO L258 CegarLoopResult]: At program point L177(lines 176 195) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:20:46,196 INFO L262 CegarLoopResult]: For program point L177-1(lines 177 183) no Hoare annotation was computed. [2021-10-11 02:20:46,196 INFO L258 CegarLoopResult]: At program point L177-2(lines 176 195) the Hoare annotation is: false [2021-10-11 02:20:46,196 INFO L262 CegarLoopResult]: For program point L78(lines 78 82) no Hoare annotation was computed. [2021-10-11 02:20:46,196 INFO L258 CegarLoopResult]: At program point L177-3(lines 176 195) the Hoare annotation is: false [2021-10-11 02:20:46,196 INFO L262 CegarLoopResult]: For program point L359(lines 359 372) no Hoare annotation was computed. [2021-10-11 02:20:46,196 INFO L258 CegarLoopResult]: At program point L377(lines 328 378) the Hoare annotation is: false [2021-10-11 02:20:46,196 INFO L258 CegarLoopResult]: At program point L262(lines 257 265) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:20:46,196 INFO L258 CegarLoopResult]: At program point L262-1(lines 257 265) the Hoare annotation is: false [2021-10-11 02:20:46,196 INFO L258 CegarLoopResult]: At program point L262-2(lines 257 265) the Hoare annotation is: false [2021-10-11 02:20:46,196 INFO L258 CegarLoopResult]: At program point L411(lines 1 884) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:20:46,197 INFO L262 CegarLoopResult]: For program point L213(lines 213 221) no Hoare annotation was computed. [2021-10-11 02:20:46,197 INFO L262 CegarLoopResult]: For program point L213-1(lines 213 221) no Hoare annotation was computed. [2021-10-11 02:20:46,197 INFO L262 CegarLoopResult]: For program point L213-2(lines 213 221) no Hoare annotation was computed. [2021-10-11 02:20:46,197 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:20:46,197 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 160) no Hoare annotation was computed. [2021-10-11 02:20:46,197 INFO L262 CegarLoopResult]: For program point L330(lines 329 376) no Hoare annotation was computed. [2021-10-11 02:20:46,197 INFO L262 CegarLoopResult]: For program point L66(lines 66 70) no Hoare annotation was computed. [2021-10-11 02:20:46,197 INFO L262 CegarLoopResult]: For program point L331(lines 331 335) no Hoare annotation was computed. [2021-10-11 02:20:46,197 INFO L262 CegarLoopResult]: For program point L365(lines 365 371) no Hoare annotation was computed. [2021-10-11 02:20:46,197 INFO L258 CegarLoopResult]: At program point L365-1(lines 177 183) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:20:46,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:20:46 BoogieIcfgContainer [2021-10-11 02:20:46,229 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:20:46,230 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:20:46,230 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:20:46,230 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:20:46,231 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:20:42" (3/4) ... [2021-10-11 02:20:46,234 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:20:46,260 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:20:46,261 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:20:46,262 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:20:46,263 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:20:46,263 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:20:46,264 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:20:46,265 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:20:46,304 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-10-11 02:20:46,376 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8589a92-6b74-4a5d-bf43-4f6c766f6fee/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:20:46,377 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:20:46,379 INFO L168 Benchmark]: Toolchain (without parser) took 8464.03 ms. Allocated memory was 67.1 MB in the beginning and 98.6 MB in the end (delta: 31.5 MB). Free memory was 47.4 MB in the beginning and 35.2 MB in the end (delta: 12.2 MB). Peak memory consumption was 43.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:46,379 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 67.1 MB. Free memory is still 47.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:20:46,380 INFO L168 Benchmark]: CACSL2BoogieTranslator took 870.36 ms. Allocated memory is still 67.1 MB. Free memory was 47.2 MB in the beginning and 34.8 MB in the end (delta: 12.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:46,381 INFO L168 Benchmark]: Boogie Procedure Inliner took 127.95 ms. Allocated memory is still 67.1 MB. Free memory was 34.6 MB in the beginning and 31.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:46,381 INFO L168 Benchmark]: Boogie Preprocessor took 108.12 ms. Allocated memory is still 67.1 MB. Free memory was 31.9 MB in the beginning and 47.6 MB in the end (delta: -15.7 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:46,382 INFO L168 Benchmark]: RCFGBuilder took 3070.31 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 47.4 MB in the beginning and 52.6 MB in the end (delta: -5.3 MB). Peak memory consumption was 31.0 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:46,382 INFO L168 Benchmark]: TraceAbstraction took 4132.19 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 52.6 MB in the beginning and 40.7 MB in the end (delta: 12.0 MB). Peak memory consumption was 28.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:46,383 INFO L168 Benchmark]: Witness Printer took 147.03 ms. Allocated memory is still 98.6 MB. Free memory was 40.7 MB in the beginning and 35.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:46,386 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 67.1 MB. Free memory is still 47.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 870.36 ms. Allocated memory is still 67.1 MB. Free memory was 47.2 MB in the beginning and 34.8 MB in the end (delta: 12.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 127.95 ms. Allocated memory is still 67.1 MB. Free memory was 34.6 MB in the beginning and 31.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 108.12 ms. Allocated memory is still 67.1 MB. Free memory was 31.9 MB in the beginning and 47.6 MB in the end (delta: -15.7 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3070.31 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 47.4 MB in the beginning and 52.6 MB in the end (delta: -5.3 MB). Peak memory consumption was 31.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4132.19 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 52.6 MB in the beginning and 40.7 MB in the end (delta: 12.0 MB). Peak memory consumption was 28.7 MB. Max. memory is 16.1 GB. * Witness Printer took 147.03 ms. Allocated memory is still 98.6 MB. Free memory was 40.7 MB in the beginning and 35.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 160]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 160]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 160]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 349]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 435]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 414]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 246]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 246]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 246]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 339]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 71 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 308 SDtfs, 305 SDslu, 300 SDs, 0 SdLazy, 61 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 103 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=100occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 114 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 118 NumberOfFragments, 122 HoareAnnotationTreeSize, 32 FomulaSimplifications, 2984 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 5107 SizeOfPredicates, 7 NumberOfNonLiveVariables, 973 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...