./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product28.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_1f7dd6b5-4ccc-4068-9322-47f1053b1a41/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f7dd6b5-4ccc-4068-9322-47f1053b1a41/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_1f7dd6b5-4ccc-4068-9322-47f1053b1a41/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f7dd6b5-4ccc-4068-9322-47f1053b1a41/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f7dd6b5-4ccc-4068-9322-47f1053b1a41/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_1f7dd6b5-4ccc-4068-9322-47f1053b1a41/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 82c519f2bf81e68e983e1c89de9d6abbdaa163d4 ............................................................................................................................................ 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_1f7dd6b5-4ccc-4068-9322-47f1053b1a41/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f7dd6b5-4ccc-4068-9322-47f1053b1a41/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_1f7dd6b5-4ccc-4068-9322-47f1053b1a41/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f7dd6b5-4ccc-4068-9322-47f1053b1a41/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f7dd6b5-4ccc-4068-9322-47f1053b1a41/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_1f7dd6b5-4ccc-4068-9322-47f1053b1a41/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 82c519f2bf81e68e983e1c89de9d6abbdaa163d4 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:30:43,154 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:30:43,155 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:30:43,189 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:30:43,189 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:30:43,191 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:30:43,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:30:43,196 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:30:43,198 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:30:43,200 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:30:43,201 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:30:43,203 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:30:43,203 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:30:43,205 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:30:43,207 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:30:43,208 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:30:43,210 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:30:43,211 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:30:43,214 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:30:43,217 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:30:43,219 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:30:43,221 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:30:43,223 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:30:43,224 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:30:43,231 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:30:43,231 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:30:43,232 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:30:43,233 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:30:43,233 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:30:43,235 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:30:43,235 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:30:43,236 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:30:43,238 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:30:43,239 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:30:43,247 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:30:43,248 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:30:43,249 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:30:43,250 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:30:43,250 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:30:43,252 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:30:43,253 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:30:43,254 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f7dd6b5-4ccc-4068-9322-47f1053b1a41/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:30:43,303 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:30:43,303 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:30:43,305 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:30:43,305 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:30:43,307 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:30:43,307 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:30:43,307 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:30:43,308 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:30:43,308 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:30:43,308 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:30:43,309 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:30:43,309 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:30:43,310 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:30:43,310 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:30:43,310 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:30:43,311 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:30:43,312 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:30:43,312 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:30:43,312 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:30:43,312 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:30:43,313 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:30:43,313 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:30:43,313 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:30:43,313 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:30:43,314 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:30:43,314 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:30:43,314 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:30:43,314 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:30:43,315 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:30:43,316 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:30:43,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:30:43,317 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:30:43,317 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:30:43,318 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:30:43,318 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:30:43,318 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:30:43,318 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:30:43,319 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:30:43,319 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:30:43,319 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_1f7dd6b5-4ccc-4068-9322-47f1053b1a41/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f7dd6b5-4ccc-4068-9322-47f1053b1a41/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 82c519f2bf81e68e983e1c89de9d6abbdaa163d4 [2021-10-11 02:30:43,591 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:30:43,622 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:30:43,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:30:43,627 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:30:43,628 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:30:43,629 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f7dd6b5-4ccc-4068-9322-47f1053b1a41/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c [2021-10-11 02:30:43,717 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f7dd6b5-4ccc-4068-9322-47f1053b1a41/bin/utaipan-WLngWcDbfI/data/05be1e5f2/fa82aafc5b9a454db29565b5d53b355b/FLAG00ea280fc [2021-10-11 02:30:44,174 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:30:44,175 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f7dd6b5-4ccc-4068-9322-47f1053b1a41/sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c [2021-10-11 02:30:44,187 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f7dd6b5-4ccc-4068-9322-47f1053b1a41/bin/utaipan-WLngWcDbfI/data/05be1e5f2/fa82aafc5b9a454db29565b5d53b355b/FLAG00ea280fc [2021-10-11 02:30:44,531 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f7dd6b5-4ccc-4068-9322-47f1053b1a41/bin/utaipan-WLngWcDbfI/data/05be1e5f2/fa82aafc5b9a454db29565b5d53b355b [2021-10-11 02:30:44,532 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:30:44,534 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:30:44,538 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:44,538 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:30:44,541 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:30:44,542 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:44" (1/1) ... [2021-10-11 02:30:44,544 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60186c33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:44, skipping insertion in model container [2021-10-11 02:30:44,544 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:44" (1/1) ... [2021-10-11 02:30:44,551 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:30:44,591 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:30:44,775 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_1f7dd6b5-4ccc-4068-9322-47f1053b1a41/sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c[1817,1830] [2021-10-11 02:30:44,910 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:44,934 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 02:30:44,936 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7a377279 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:44, skipping insertion in model container [2021-10-11 02:30:44,936 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:44,936 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:30:44,939 INFO L168 Benchmark]: Toolchain (without parser) took 403.57 ms. Allocated memory was 94.4 MB in the beginning and 119.5 MB in the end (delta: 25.2 MB). Free memory was 60.0 MB in the beginning and 92.4 MB in the end (delta: -32.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:44,941 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 94.4 MB. Free memory was 52.0 MB in the beginning and 51.9 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:30:44,943 INFO L168 Benchmark]: CACSL2BoogieTranslator took 398.22 ms. Allocated memory was 94.4 MB in the beginning and 119.5 MB in the end (delta: 25.2 MB). Free memory was 59.8 MB in the beginning and 92.4 MB in the end (delta: -32.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:44,945 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 94.4 MB. Free memory was 52.0 MB in the beginning and 51.9 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 398.22 ms. Allocated memory was 94.4 MB in the beginning and 119.5 MB in the end (delta: 25.2 MB). Free memory was 59.8 MB in the beginning and 92.4 MB in the end (delta: -32.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 620]: 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 02:30:47,197 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:30:47,200 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:30:47,248 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:30:47,248 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:30:47,255 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:30:47,257 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:30:47,263 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:30:47,266 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:30:47,274 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:30:47,279 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:30:47,280 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:30:47,281 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:30:47,284 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:30:47,285 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:30:47,287 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:30:47,289 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:30:47,290 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:30:47,296 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:30:47,298 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:30:47,312 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:30:47,314 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:30:47,316 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:30:47,318 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:30:47,324 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:30:47,325 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:30:47,325 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:30:47,327 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:30:47,328 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:30:47,329 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:30:47,329 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:30:47,330 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:30:47,332 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:30:47,333 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:30:47,334 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:30:47,335 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:30:47,336 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:30:47,336 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:30:47,336 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:30:47,338 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:30:47,339 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:30:47,340 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f7dd6b5-4ccc-4068-9322-47f1053b1a41/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:30:47,380 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:30:47,381 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:30:47,382 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:30:47,382 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:30:47,382 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:30:47,383 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:30:47,383 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:30:47,383 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:30:47,383 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:30:47,385 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:30:47,386 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:30:47,386 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:30:47,387 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:30:47,387 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:30:47,387 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:30:47,387 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:30:47,387 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:30:47,388 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:30:47,388 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:30:47,388 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:30:47,388 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:30:47,389 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:30:47,389 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:30:47,389 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:30:47,389 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:30:47,390 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:30:47,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:30:47,390 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:30:47,390 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:30:47,391 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:30:47,391 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:30:47,391 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:30:47,391 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:30:47,392 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:30:47,392 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:30:47,392 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_1f7dd6b5-4ccc-4068-9322-47f1053b1a41/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f7dd6b5-4ccc-4068-9322-47f1053b1a41/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 82c519f2bf81e68e983e1c89de9d6abbdaa163d4 [2021-10-11 02:30:47,739 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:30:47,767 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:30:47,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:30:47,772 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:30:47,773 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:30:47,774 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f7dd6b5-4ccc-4068-9322-47f1053b1a41/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c [2021-10-11 02:30:47,852 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f7dd6b5-4ccc-4068-9322-47f1053b1a41/bin/utaipan-WLngWcDbfI/data/d3bc863a6/614138ed675b487cb9858a1bdcb22d2c/FLAG759a3a680 [2021-10-11 02:30:48,542 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:30:48,542 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f7dd6b5-4ccc-4068-9322-47f1053b1a41/sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c [2021-10-11 02:30:48,554 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f7dd6b5-4ccc-4068-9322-47f1053b1a41/bin/utaipan-WLngWcDbfI/data/d3bc863a6/614138ed675b487cb9858a1bdcb22d2c/FLAG759a3a680 [2021-10-11 02:30:48,837 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f7dd6b5-4ccc-4068-9322-47f1053b1a41/bin/utaipan-WLngWcDbfI/data/d3bc863a6/614138ed675b487cb9858a1bdcb22d2c [2021-10-11 02:30:48,840 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:30:48,842 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:30:48,843 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:48,843 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:30:48,863 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:30:48,864 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:48" (1/1) ... [2021-10-11 02:30:48,866 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d44c8c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:48, skipping insertion in model container [2021-10-11 02:30:48,867 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:48" (1/1) ... [2021-10-11 02:30:48,875 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:30:48,926 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:30:49,117 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_1f7dd6b5-4ccc-4068-9322-47f1053b1a41/sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c[1817,1830] [2021-10-11 02:30:49,292 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:49,314 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:30:49,328 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:30:49,345 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_1f7dd6b5-4ccc-4068-9322-47f1053b1a41/sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c[1817,1830] [2021-10-11 02:30:49,440 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:49,457 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:30:49,470 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_1f7dd6b5-4ccc-4068-9322-47f1053b1a41/sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c[1817,1830] [2021-10-11 02:30:49,535 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:49,576 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:30:49,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:49 WrapperNode [2021-10-11 02:30:49,577 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:49,579 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:30:49,579 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:30:49,579 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:30:49,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:49" (1/1) ... [2021-10-11 02:30:49,623 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:49" (1/1) ... [2021-10-11 02:30:49,666 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:30:49,671 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:30:49,671 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:30:49,672 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:30:49,680 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:49" (1/1) ... [2021-10-11 02:30:49,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:49" (1/1) ... [2021-10-11 02:30:49,700 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:49" (1/1) ... [2021-10-11 02:30:49,701 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:49" (1/1) ... [2021-10-11 02:30:49,712 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:49" (1/1) ... [2021-10-11 02:30:49,719 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:49" (1/1) ... [2021-10-11 02:30:49,722 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:49" (1/1) ... [2021-10-11 02:30:49,742 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:30:49,743 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:30:49,744 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:30:49,744 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:30:49,745 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:49" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f7dd6b5-4ccc-4068-9322-47f1053b1a41/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 02:30:49,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:30:49,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:30:49,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:30:49,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:30:52,232 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:30:52,233 INFO L299 CfgBuilder]: Removed 104 assume(true) statements. [2021-10-11 02:30:52,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:30:52 BoogieIcfgContainer [2021-10-11 02:30:52,234 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:30:52,236 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:30:52,236 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:30:52,239 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:30:52,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:30:48" (1/3) ... [2021-10-11 02:30:52,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63ad7c0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:30:52, skipping insertion in model container [2021-10-11 02:30:52,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:49" (2/3) ... [2021-10-11 02:30:52,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63ad7c0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:30:52, skipping insertion in model container [2021-10-11 02:30:52,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:30:52" (3/3) ... [2021-10-11 02:30:52,243 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product28.cil.c [2021-10-11 02:30:52,257 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:30:52,265 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:30:52,275 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:30:52,326 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:30:52,328 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:30:52,328 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:30:52,328 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:30:52,329 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:30:52,329 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:30:52,329 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:30:52,329 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:30:52,341 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states. [2021-10-11 02:30:52,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 02:30:52,347 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:52,347 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:52,348 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:52,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:52,353 INFO L82 PathProgramCache]: Analyzing trace with hash 2048364516, now seen corresponding path program 1 times [2021-10-11 02:30:52,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:52,365 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [195038556] [2021-10-11 02:30:52,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f7dd6b5-4ccc-4068-9322-47f1053b1a41/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 02:30:52,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:52,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:30:52,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:52,685 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 02:30:52,686 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:52,687 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [195038556] [2021-10-11 02:30:52,687 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:52,688 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:30:52,688 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353582765] [2021-10-11 02:30:52,693 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:30:52,693 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:52,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:30:52,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:30:52,718 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 2 states. [2021-10-11 02:30:52,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:52,766 INFO L93 Difference]: Finished difference Result 155 states and 234 transitions. [2021-10-11 02:30:52,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:30:52,767 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 02:30:52,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:52,778 INFO L225 Difference]: With dead ends: 155 [2021-10-11 02:30:52,778 INFO L226 Difference]: Without dead ends: 77 [2021-10-11 02:30:52,781 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 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 02:30:52,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2021-10-11 02:30:52,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2021-10-11 02:30:52,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2021-10-11 02:30:52,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 109 transitions. [2021-10-11 02:30:52,822 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 109 transitions. Word has length 18 [2021-10-11 02:30:52,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:52,823 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 109 transitions. [2021-10-11 02:30:52,823 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:30:52,823 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2021-10-11 02:30:52,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 02:30:52,824 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:52,824 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:53,039 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:30:53,040 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:53,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:53,043 INFO L82 PathProgramCache]: Analyzing trace with hash 1829528547, now seen corresponding path program 1 times [2021-10-11 02:30:53,044 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:53,044 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1021317707] [2021-10-11 02:30:53,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f7dd6b5-4ccc-4068-9322-47f1053b1a41/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 02:30:53,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:53,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:30:53,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:53,322 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 02:30:53,325 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:53,326 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1021317707] [2021-10-11 02:30:53,326 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:53,326 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:30:53,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395925626] [2021-10-11 02:30:53,328 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:53,329 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:53,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:53,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:53,332 INFO L87 Difference]: Start difference. First operand 77 states and 109 transitions. Second operand 3 states. [2021-10-11 02:30:53,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:53,347 INFO L93 Difference]: Finished difference Result 77 states and 109 transitions. [2021-10-11 02:30:53,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:53,349 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 02:30:53,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:53,352 INFO L225 Difference]: With dead ends: 77 [2021-10-11 02:30:53,352 INFO L226 Difference]: Without dead ends: 37 [2021-10-11 02:30:53,353 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 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 02:30:53,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2021-10-11 02:30:53,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2021-10-11 02:30:53,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2021-10-11 02:30:53,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 52 transitions. [2021-10-11 02:30:53,366 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 52 transitions. Word has length 19 [2021-10-11 02:30:53,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:53,369 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 52 transitions. [2021-10-11 02:30:53,369 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:53,370 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2021-10-11 02:30:53,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:30:53,372 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:53,372 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 02:30:53,587 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:30:53,587 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:53,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:53,588 INFO L82 PathProgramCache]: Analyzing trace with hash -1633990848, now seen corresponding path program 1 times [2021-10-11 02:30:53,588 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:53,589 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [502420304] [2021-10-11 02:30:53,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f7dd6b5-4ccc-4068-9322-47f1053b1a41/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 02:30:53,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:53,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:30:53,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:53,838 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 02:30:53,838 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:53,838 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [502420304] [2021-10-11 02:30:53,838 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:53,839 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:30:53,839 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466051103] [2021-10-11 02:30:53,839 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:53,839 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:53,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:53,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:53,840 INFO L87 Difference]: Start difference. First operand 37 states and 52 transitions. Second operand 3 states. [2021-10-11 02:30:53,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:53,885 INFO L93 Difference]: Finished difference Result 97 states and 142 transitions. [2021-10-11 02:30:53,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:53,886 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:30:53,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:53,887 INFO L225 Difference]: With dead ends: 97 [2021-10-11 02:30:53,887 INFO L226 Difference]: Without dead ends: 67 [2021-10-11 02:30:53,888 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 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 02:30:53,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2021-10-11 02:30:53,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 63. [2021-10-11 02:30:53,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2021-10-11 02:30:53,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 92 transitions. [2021-10-11 02:30:53,898 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 92 transitions. Word has length 24 [2021-10-11 02:30:53,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:53,898 INFO L481 AbstractCegarLoop]: Abstraction has 63 states and 92 transitions. [2021-10-11 02:30:53,899 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:53,899 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 92 transitions. [2021-10-11 02:30:53,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 02:30:53,900 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:53,900 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, 1, 1] [2021-10-11 02:30:54,121 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:30:54,122 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:54,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:54,122 INFO L82 PathProgramCache]: Analyzing trace with hash 584858649, now seen corresponding path program 1 times [2021-10-11 02:30:54,123 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:54,123 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1419628278] [2021-10-11 02:30:54,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f7dd6b5-4ccc-4068-9322-47f1053b1a41/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 02:30:54,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:54,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:30:54,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:54,385 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 02:30:54,385 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:54,385 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1419628278] [2021-10-11 02:30:54,385 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:54,385 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:30:54,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752815736] [2021-10-11 02:30:54,386 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:30:54,386 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:54,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:30:54,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:30:54,389 INFO L87 Difference]: Start difference. First operand 63 states and 92 transitions. Second operand 5 states. [2021-10-11 02:30:54,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:54,505 INFO L93 Difference]: Finished difference Result 303 states and 463 transitions. [2021-10-11 02:30:54,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 02:30:54,506 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2021-10-11 02:30:54,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:54,512 INFO L225 Difference]: With dead ends: 303 [2021-10-11 02:30:54,512 INFO L226 Difference]: Without dead ends: 247 [2021-10-11 02:30:54,513 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 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 02:30:54,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2021-10-11 02:30:54,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 111. [2021-10-11 02:30:54,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2021-10-11 02:30:54,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 162 transitions. [2021-10-11 02:30:54,548 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 162 transitions. Word has length 25 [2021-10-11 02:30:54,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:54,550 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 162 transitions. [2021-10-11 02:30:54,550 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:30:54,550 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 162 transitions. [2021-10-11 02:30:54,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 02:30:54,556 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:54,556 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:54,768 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:30:54,768 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:54,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:54,769 INFO L82 PathProgramCache]: Analyzing trace with hash 690628753, now seen corresponding path program 1 times [2021-10-11 02:30:54,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:54,769 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1570148203] [2021-10-11 02:30:54,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f7dd6b5-4ccc-4068-9322-47f1053b1a41/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 02:30:54,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:54,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:30:54,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:54,973 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 02:30:54,973 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:54,973 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1570148203] [2021-10-11 02:30:54,974 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:54,974 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:30:54,974 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35907010] [2021-10-11 02:30:54,974 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:30:54,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:54,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:30:54,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:30:54,975 INFO L87 Difference]: Start difference. First operand 111 states and 162 transitions. Second operand 5 states. [2021-10-11 02:30:55,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:55,079 INFO L93 Difference]: Finished difference Result 307 states and 460 transitions. [2021-10-11 02:30:55,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:30:55,079 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2021-10-11 02:30:55,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:55,080 INFO L225 Difference]: With dead ends: 307 [2021-10-11 02:30:55,080 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:30:55,082 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 24 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 02:30:55,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:30:55,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:30:55,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:30:55,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:30:55,082 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2021-10-11 02:30:55,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:55,082 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:30:55,083 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:30:55,083 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:30:55,083 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:30:55,294 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:30:55,296 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:30:55,701 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 84) no Hoare annotation was computed. [2021-10-11 02:30:55,701 INFO L262 CegarLoopResult]: For program point L399(lines 399 403) no Hoare annotation was computed. [2021-10-11 02:30:55,701 INFO L262 CegarLoopResult]: For program point L366(lines 366 372) no Hoare annotation was computed. [2021-10-11 02:30:55,701 INFO L258 CegarLoopResult]: At program point L366-1(lines 366 372) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:30:55,702 INFO L262 CegarLoopResult]: For program point L102(lines 102 106) no Hoare annotation was computed. [2021-10-11 02:30:55,702 INFO L262 CegarLoopResult]: For program point L102-3(lines 102 106) no Hoare annotation was computed. [2021-10-11 02:30:55,702 INFO L262 CegarLoopResult]: For program point L102-6(lines 102 106) no Hoare annotation was computed. [2021-10-11 02:30:55,702 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:30:55,702 INFO L262 CegarLoopResult]: For program point L417(lines 417 423) no Hoare annotation was computed. [2021-10-11 02:30:55,702 INFO L258 CegarLoopResult]: At program point L417-1(lines 417 423) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:30:55,702 INFO L262 CegarLoopResult]: For program point L236(lines 236 244) no Hoare annotation was computed. [2021-10-11 02:30:55,702 INFO L262 CegarLoopResult]: For program point L236-1(lines 236 244) no Hoare annotation was computed. [2021-10-11 02:30:55,702 INFO L262 CegarLoopResult]: For program point L236-2(lines 236 244) no Hoare annotation was computed. [2021-10-11 02:30:55,702 INFO L262 CegarLoopResult]: For program point L352(lines 352 356) no Hoare annotation was computed. [2021-10-11 02:30:55,702 INFO L262 CegarLoopResult]: For program point L352-2(lines 352 356) no Hoare annotation was computed. [2021-10-11 02:30:55,702 INFO L262 CegarLoopResult]: For program point L352-3(lines 352 356) no Hoare annotation was computed. [2021-10-11 02:30:55,703 INFO L262 CegarLoopResult]: For program point L352-5(lines 352 356) no Hoare annotation was computed. [2021-10-11 02:30:55,703 INFO L262 CegarLoopResult]: For program point L352-6(lines 352 356) no Hoare annotation was computed. [2021-10-11 02:30:55,703 INFO L262 CegarLoopResult]: For program point L352-8(lines 352 356) no Hoare annotation was computed. [2021-10-11 02:30:55,703 INFO L262 CegarLoopResult]: For program point L435(lines 435 441) no Hoare annotation was computed. [2021-10-11 02:30:55,703 INFO L258 CegarLoopResult]: At program point L435-1(lines 200 206) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:30:55,703 INFO L258 CegarLoopResult]: At program point L303(lines 298 306) 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 02:30:55,703 INFO L258 CegarLoopResult]: At program point L303-1(lines 298 306) the Hoare annotation is: false [2021-10-11 02:30:55,703 INFO L258 CegarLoopResult]: At program point L303-2(lines 298 306) the Hoare annotation is: false [2021-10-11 02:30:55,703 INFO L258 CegarLoopResult]: At program point L139(lines 134 142) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:30:55,703 INFO L258 CegarLoopResult]: At program point L139-1(lines 134 142) the Hoare annotation is: false [2021-10-11 02:30:55,703 INFO L258 CegarLoopResult]: At program point L139-2(lines 134 142) the Hoare annotation is: false [2021-10-11 02:30:55,704 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:30:55,704 INFO L258 CegarLoopResult]: At program point L207(lines 207 213) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:30:55,704 INFO L258 CegarLoopResult]: At program point L207-1(lines 207 213) the Hoare annotation is: false [2021-10-11 02:30:55,704 INFO L258 CegarLoopResult]: At program point L207-2(lines 207 213) the Hoare annotation is: false [2021-10-11 02:30:55,704 INFO L258 CegarLoopResult]: At program point L75(lines 70 78) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:30:55,704 INFO L265 CegarLoopResult]: At program point L587(lines 568 590) the Hoare annotation is: true [2021-10-11 02:30:55,704 INFO L258 CegarLoopResult]: At program point L554(lines 550 556) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:30:55,704 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 84) no Hoare annotation was computed. [2021-10-11 02:30:55,704 INFO L262 CegarLoopResult]: For program point L126(lines 126 130) no Hoare annotation was computed. [2021-10-11 02:30:55,704 INFO L262 CegarLoopResult]: For program point L473(lines 473 490) no Hoare annotation was computed. [2021-10-11 02:30:55,705 INFO L258 CegarLoopResult]: At program point L473-1(lines 1 956) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:30:55,705 INFO L258 CegarLoopResult]: At program point L506-2(lines 506 520) the Hoare annotation is: false [2021-10-11 02:30:55,705 INFO L262 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2021-10-11 02:30:55,705 INFO L262 CegarLoopResult]: For program point L473-2(lines 473 490) no Hoare annotation was computed. [2021-10-11 02:30:55,705 INFO L258 CegarLoopResult]: At program point L407-1(lines 407 413) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:30:55,705 INFO L258 CegarLoopResult]: At program point L473-3(lines 1 956) the Hoare annotation is: false [2021-10-11 02:30:55,705 INFO L262 CegarLoopResult]: For program point L473-4(lines 473 490) no Hoare annotation was computed. [2021-10-11 02:30:55,705 INFO L258 CegarLoopResult]: At program point L473-5(lines 1 956) the Hoare annotation is: false [2021-10-11 02:30:55,705 INFO L258 CegarLoopResult]: At program point L358(lines 343 361) the Hoare annotation is: false [2021-10-11 02:30:55,705 INFO L258 CegarLoopResult]: At program point L358-1(lines 343 361) the Hoare annotation is: false [2021-10-11 02:30:55,705 INFO L258 CegarLoopResult]: At program point L358-2(lines 343 361) the Hoare annotation is: false [2021-10-11 02:30:55,705 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:30:55,706 INFO L262 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2021-10-11 02:30:55,706 INFO L262 CegarLoopResult]: For program point L427(lines 427 442) no Hoare annotation was computed. [2021-10-11 02:30:55,706 INFO L262 CegarLoopResult]: For program point L510(lines 510 514) no Hoare annotation was computed. [2021-10-11 02:30:55,706 INFO L262 CegarLoopResult]: For program point L477(lines 477 487) no Hoare annotation was computed. [2021-10-11 02:30:55,706 INFO L262 CegarLoopResult]: For program point L510-1(lines 200 206) no Hoare annotation was computed. [2021-10-11 02:30:55,706 INFO L262 CegarLoopResult]: For program point L477-2(lines 477 487) no Hoare annotation was computed. [2021-10-11 02:30:55,706 INFO L262 CegarLoopResult]: For program point L477-4(lines 477 487) no Hoare annotation was computed. [2021-10-11 02:30:55,706 INFO L258 CegarLoopResult]: At program point L180(lines 175 183) the Hoare annotation is: false [2021-10-11 02:30:55,706 INFO L258 CegarLoopResult]: At program point L180-1(lines 175 183) the Hoare annotation is: false [2021-10-11 02:30:55,706 INFO L262 CegarLoopResult]: For program point L114(lines 114 118) no Hoare annotation was computed. [2021-10-11 02:30:55,706 INFO L258 CegarLoopResult]: At program point L180-2(lines 175 183) the Hoare annotation is: false [2021-10-11 02:30:55,706 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:30:55,706 INFO L262 CegarLoopResult]: For program point L478(lines 478 484) no Hoare annotation was computed. [2021-10-11 02:30:55,707 INFO L262 CegarLoopResult]: For program point L478-2(lines 478 484) no Hoare annotation was computed. [2021-10-11 02:30:55,707 INFO L262 CegarLoopResult]: For program point L478-4(lines 478 484) no Hoare annotation was computed. [2021-10-11 02:30:55,707 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 84) no Hoare annotation was computed. [2021-10-11 02:30:55,707 INFO L258 CegarLoopResult]: At program point L462(lines 457 464) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:30:55,707 INFO L262 CegarLoopResult]: For program point L578(lines 578 585) no Hoare annotation was computed. [2021-10-11 02:30:55,707 INFO L265 CegarLoopResult]: At program point L578-1(lines 578 585) the Hoare annotation is: true [2021-10-11 02:30:55,707 INFO L262 CegarLoopResult]: For program point L232(lines 232 249) no Hoare annotation was computed. [2021-10-11 02:30:55,707 INFO L262 CegarLoopResult]: For program point L232-1(lines 232 249) no Hoare annotation was computed. [2021-10-11 02:30:55,713 INFO L262 CegarLoopResult]: For program point L232-2(lines 232 249) no Hoare annotation was computed. [2021-10-11 02:30:55,714 INFO L258 CegarLoopResult]: At program point L67(lines 1 956) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:30:55,714 INFO L258 CegarLoopResult]: At program point L447(lines 396 448) the Hoare annotation is: false [2021-10-11 02:30:55,714 INFO L262 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2021-10-11 02:30:55,714 INFO L262 CegarLoopResult]: For program point L84-1(line 84) no Hoare annotation was computed. [2021-10-11 02:30:55,714 INFO L262 CegarLoopResult]: For program point L84-2(line 84) no Hoare annotation was computed. [2021-10-11 02:30:55,714 INFO L262 CegarLoopResult]: For program point L398(lines 397 446) no Hoare annotation was computed. [2021-10-11 02:30:55,714 INFO L258 CegarLoopResult]: At program point L200(lines 199 218) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:30:55,715 INFO L262 CegarLoopResult]: For program point L200-1(lines 200 206) no Hoare annotation was computed. [2021-10-11 02:30:55,715 INFO L258 CegarLoopResult]: At program point L200-2(lines 199 218) the Hoare annotation is: false [2021-10-11 02:30:55,715 INFO L258 CegarLoopResult]: At program point L200-3(lines 199 218) the Hoare annotation is: false [2021-10-11 02:30:55,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:30:55 BoogieIcfgContainer [2021-10-11 02:30:55,743 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:30:55,744 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:30:55,744 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:30:55,744 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:30:55,745 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:30:52" (3/4) ... [2021-10-11 02:30:55,748 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:30:55,770 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:30:55,770 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:30:55,771 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:30:55,772 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:30:55,772 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:30:55,773 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:30:55,774 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:30:55,806 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-10-11 02:30:55,873 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f7dd6b5-4ccc-4068-9322-47f1053b1a41/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:30:55,873 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:30:55,874 INFO L168 Benchmark]: Toolchain (without parser) took 7032.30 ms. Allocated memory was 62.9 MB in the beginning and 98.6 MB in the end (delta: 35.7 MB). Free memory was 42.2 MB in the beginning and 66.3 MB in the end (delta: -24.1 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:55,875 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 62.9 MB. Free memory was 44.3 MB in the beginning and 44.2 MB in the end (delta: 45.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:30:55,875 INFO L168 Benchmark]: CACSL2BoogieTranslator took 733.92 ms. Allocated memory is still 62.9 MB. Free memory was 41.9 MB in the beginning and 27.8 MB in the end (delta: 14.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:55,875 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.71 ms. Allocated memory is still 62.9 MB. Free memory was 27.8 MB in the beginning and 24.7 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:55,876 INFO L168 Benchmark]: Boogie Preprocessor took 71.79 ms. Allocated memory was 62.9 MB in the beginning and 77.6 MB in the end (delta: 14.7 MB). Free memory was 24.7 MB in the beginning and 60.3 MB in the end (delta: -35.7 MB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:55,876 INFO L168 Benchmark]: RCFGBuilder took 2491.10 ms. Allocated memory is still 77.6 MB. Free memory was 60.3 MB in the beginning and 29.0 MB in the end (delta: 31.4 MB). Peak memory consumption was 30.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:55,876 INFO L168 Benchmark]: TraceAbstraction took 3507.45 ms. Allocated memory was 77.6 MB in the beginning and 98.6 MB in the end (delta: 21.0 MB). Free memory was 28.5 MB in the beginning and 72.6 MB in the end (delta: -44.2 MB). Peak memory consumption was 20.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:55,877 INFO L168 Benchmark]: Witness Printer took 129.47 ms. Allocated memory is still 98.6 MB. Free memory was 72.6 MB in the beginning and 66.3 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:55,879 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 62.9 MB. Free memory was 44.3 MB in the beginning and 44.2 MB in the end (delta: 45.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 733.92 ms. Allocated memory is still 62.9 MB. Free memory was 41.9 MB in the beginning and 27.8 MB in the end (delta: 14.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 91.71 ms. Allocated memory is still 62.9 MB. Free memory was 27.8 MB in the beginning and 24.7 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 71.79 ms. Allocated memory was 62.9 MB in the beginning and 77.6 MB in the end (delta: 14.7 MB). Free memory was 24.7 MB in the beginning and 60.3 MB in the end (delta: -35.7 MB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2491.10 ms. Allocated memory is still 77.6 MB. Free memory was 60.3 MB in the beginning and 29.0 MB in the end (delta: 31.4 MB). Peak memory consumption was 30.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3507.45 ms. Allocated memory was 77.6 MB in the beginning and 98.6 MB in the end (delta: 21.0 MB). Free memory was 28.5 MB in the beginning and 72.6 MB in the end (delta: -44.2 MB). Peak memory consumption was 20.5 MB. Max. memory is 16.1 GB. * Witness Printer took 129.47 ms. Allocated memory is still 98.6 MB. Free memory was 72.6 MB in the beginning and 66.3 MB in the end (delta: 6.3 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: 84]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 84]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 84]: 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: 298]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 343]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 407]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 343]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 298]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 298]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 343]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 366]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 578]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 568]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 81 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 350 SDtfs, 349 SDslu, 369 SDs, 0 SdLazy, 49 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 115 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 140 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 119 NumberOfFragments, 134 HoareAnnotationTreeSize, 33 FomulaSimplifications, 2909 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 33 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 3909 SizeOfPredicates, 7 NumberOfNonLiveVariables, 991 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...