./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product03.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_ff1c555f-e390-4aec-8b8c-b9bfa732f22e/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1c555f-e390-4aec-8b8c-b9bfa732f22e/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_ff1c555f-e390-4aec-8b8c-b9bfa732f22e/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1c555f-e390-4aec-8b8c-b9bfa732f22e/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1c555f-e390-4aec-8b8c-b9bfa732f22e/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_ff1c555f-e390-4aec-8b8c-b9bfa732f22e/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 8f42eccc61d1255388ff7ebf96c2e2b48855489d ............................................................................................................................................ 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_ff1c555f-e390-4aec-8b8c-b9bfa732f22e/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1c555f-e390-4aec-8b8c-b9bfa732f22e/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_ff1c555f-e390-4aec-8b8c-b9bfa732f22e/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1c555f-e390-4aec-8b8c-b9bfa732f22e/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1c555f-e390-4aec-8b8c-b9bfa732f22e/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_ff1c555f-e390-4aec-8b8c-b9bfa732f22e/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 8f42eccc61d1255388ff7ebf96c2e2b48855489d ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:22:47,160 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:22:47,163 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:22:47,218 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:22:47,219 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:22:47,222 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:22:47,228 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:22:47,231 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:22:47,233 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:22:47,234 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:22:47,235 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:22:47,238 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:22:47,239 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:22:47,246 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:22:47,248 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:22:47,250 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:22:47,251 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:22:47,256 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:22:47,258 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:22:47,263 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:22:47,268 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:22:47,270 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:22:47,274 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:22:47,275 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:22:47,281 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:22:47,282 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:22:47,282 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:22:47,285 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:22:47,286 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:22:47,288 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:22:47,288 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:22:47,290 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:22:47,292 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:22:47,293 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:22:47,295 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:22:47,295 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:22:47,296 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:22:47,297 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:22:47,297 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:22:47,298 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:22:47,299 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:22:47,302 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1c555f-e390-4aec-8b8c-b9bfa732f22e/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:22:47,339 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:22:47,339 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:22:47,341 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:22:47,341 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:22:47,341 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:22:47,342 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:22:47,342 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:22:47,342 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:22:47,342 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:22:47,343 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:22:47,344 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:22:47,344 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:22:47,345 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:22:47,345 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:22:47,345 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:22:47,346 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:22:47,346 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:22:47,347 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:22:47,347 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:22:47,347 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:22:47,347 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:22:47,348 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:22:47,348 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:22:47,348 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:22:47,348 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:22:47,349 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:22:47,349 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:22:47,349 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:22:47,349 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:22:47,352 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:22:47,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:22:47,352 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:22:47,353 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:22:47,353 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:22:47,353 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:22:47,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:22:47,354 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:22:47,354 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:22:47,354 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:22:47,355 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_ff1c555f-e390-4aec-8b8c-b9bfa732f22e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1c555f-e390-4aec-8b8c-b9bfa732f22e/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f42eccc61d1255388ff7ebf96c2e2b48855489d [2021-10-11 02:22:47,682 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:22:47,711 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:22:47,715 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:22:47,717 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:22:47,718 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:22:47,719 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1c555f-e390-4aec-8b8c-b9bfa732f22e/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c [2021-10-11 02:22:47,788 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1c555f-e390-4aec-8b8c-b9bfa732f22e/bin/utaipan-WLngWcDbfI/data/468298068/e4f230bc2f394471916e9dc5210c22da/FLAG60a81f704 [2021-10-11 02:22:48,278 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:22:48,279 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1c555f-e390-4aec-8b8c-b9bfa732f22e/sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c [2021-10-11 02:22:48,306 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1c555f-e390-4aec-8b8c-b9bfa732f22e/bin/utaipan-WLngWcDbfI/data/468298068/e4f230bc2f394471916e9dc5210c22da/FLAG60a81f704 [2021-10-11 02:22:48,602 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1c555f-e390-4aec-8b8c-b9bfa732f22e/bin/utaipan-WLngWcDbfI/data/468298068/e4f230bc2f394471916e9dc5210c22da [2021-10-11 02:22:48,605 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:22:48,607 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:22:48,608 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:22:48,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:22:48,611 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:22:48,612 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:22:48" (1/1) ... [2021-10-11 02:22:48,614 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62652c08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:48, skipping insertion in model container [2021-10-11 02:22:48,614 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:22:48" (1/1) ... [2021-10-11 02:22:48,622 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:22:48,661 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:22:48,950 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_ff1c555f-e390-4aec-8b8c-b9bfa732f22e/sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c[16995,17008] [2021-10-11 02:22:48,953 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:22:48,964 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 02:22:48,973 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1158cbd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:48, skipping insertion in model container [2021-10-11 02:22:48,974 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:22:48,974 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:22:48,977 INFO L168 Benchmark]: Toolchain (without parser) took 368.83 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 45.7 MB in the beginning and 74.4 MB in the end (delta: -28.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:48,979 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 83.9 MB. Free memory is still 62.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:22:48,981 INFO L168 Benchmark]: CACSL2BoogieTranslator took 366.14 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 45.5 MB in the beginning and 74.4 MB in the end (delta: -28.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:48,984 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 83.9 MB. Free memory is still 62.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 366.14 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 45.5 MB in the beginning and 74.4 MB in the end (delta: -28.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 489]: 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 02:22:51,271 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:22:51,274 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:22:51,303 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:22:51,304 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:22:51,305 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:22:51,307 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:22:51,309 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:22:51,312 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:22:51,313 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:22:51,314 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:22:51,316 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:22:51,316 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:22:51,318 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:22:51,323 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:22:51,325 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:22:51,326 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:22:51,328 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:22:51,330 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:22:51,334 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:22:51,341 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:22:51,343 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:22:51,345 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:22:51,348 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:22:51,355 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:22:51,359 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:22:51,360 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:22:51,361 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:22:51,363 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:22:51,364 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:22:51,364 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:22:51,365 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:22:51,367 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:22:51,369 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:22:51,370 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:22:51,370 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:22:51,371 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:22:51,371 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:22:51,372 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:22:51,374 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:22:51,375 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:22:51,376 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1c555f-e390-4aec-8b8c-b9bfa732f22e/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:22:51,430 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:22:51,431 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:22:51,432 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:22:51,432 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:22:51,432 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:22:51,433 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:22:51,433 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:22:51,433 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:22:51,433 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:22:51,435 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:22:51,436 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:22:51,436 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:22:51,436 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:22:51,437 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:22:51,437 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:22:51,437 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:22:51,437 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:22:51,437 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:22:51,438 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:22:51,438 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:22:51,438 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:22:51,438 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:22:51,438 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:22:51,439 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:22:51,439 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:22:51,439 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:22:51,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:22:51,440 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:22:51,440 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:22:51,440 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:22:51,440 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:22:51,441 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:22:51,441 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:22:51,441 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:22:51,441 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:22:51,442 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_ff1c555f-e390-4aec-8b8c-b9bfa732f22e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1c555f-e390-4aec-8b8c-b9bfa732f22e/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f42eccc61d1255388ff7ebf96c2e2b48855489d [2021-10-11 02:22:51,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:22:51,832 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:22:51,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:22:51,836 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:22:51,839 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:22:51,843 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1c555f-e390-4aec-8b8c-b9bfa732f22e/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c [2021-10-11 02:22:51,927 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1c555f-e390-4aec-8b8c-b9bfa732f22e/bin/utaipan-WLngWcDbfI/data/34316e570/5d913f2474724b2c885e7c1db0846e11/FLAG9dd4f4c09 [2021-10-11 02:22:52,631 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:22:52,632 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1c555f-e390-4aec-8b8c-b9bfa732f22e/sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c [2021-10-11 02:22:52,643 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1c555f-e390-4aec-8b8c-b9bfa732f22e/bin/utaipan-WLngWcDbfI/data/34316e570/5d913f2474724b2c885e7c1db0846e11/FLAG9dd4f4c09 [2021-10-11 02:22:52,911 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1c555f-e390-4aec-8b8c-b9bfa732f22e/bin/utaipan-WLngWcDbfI/data/34316e570/5d913f2474724b2c885e7c1db0846e11 [2021-10-11 02:22:52,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:22:52,916 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:22:52,920 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:22:52,920 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:22:52,924 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:22:52,925 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:22:52" (1/1) ... [2021-10-11 02:22:52,927 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38b5346b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:52, skipping insertion in model container [2021-10-11 02:22:52,927 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:22:52" (1/1) ... [2021-10-11 02:22:52,934 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:22:52,975 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:22:53,279 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_ff1c555f-e390-4aec-8b8c-b9bfa732f22e/sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c[16995,17008] [2021-10-11 02:22:53,286 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:22:53,301 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:22:53,310 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:22:53,376 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_ff1c555f-e390-4aec-8b8c-b9bfa732f22e/sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c[16995,17008] [2021-10-11 02:22:53,377 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:22:53,385 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:22:53,495 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_ff1c555f-e390-4aec-8b8c-b9bfa732f22e/sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c[16995,17008] [2021-10-11 02:22:53,496 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:22:53,561 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:22:53,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:53 WrapperNode [2021-10-11 02:22:53,562 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:22:53,563 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:22:53,563 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:22:53,564 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:22:53,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:53" (1/1) ... [2021-10-11 02:22:53,590 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:53" (1/1) ... [2021-10-11 02:22:53,624 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:22:53,625 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:22:53,626 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:22:53,626 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:22:53,635 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:53" (1/1) ... [2021-10-11 02:22:53,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:53" (1/1) ... [2021-10-11 02:22:53,640 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:53" (1/1) ... [2021-10-11 02:22:53,640 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:53" (1/1) ... [2021-10-11 02:22:53,650 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:53" (1/1) ... [2021-10-11 02:22:53,657 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:53" (1/1) ... [2021-10-11 02:22:53,660 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:53" (1/1) ... [2021-10-11 02:22:53,664 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:22:53,665 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:22:53,665 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:22:53,665 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:22:53,666 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:53" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1c555f-e390-4aec-8b8c-b9bfa732f22e/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 02:22:53,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:22:53,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:22:53,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:22:53,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:22:55,981 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:22:55,981 INFO L299 CfgBuilder]: Removed 72 assume(true) statements. [2021-10-11 02:22:55,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:22:55 BoogieIcfgContainer [2021-10-11 02:22:55,983 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:22:55,985 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:22:55,985 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:22:55,988 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:22:55,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:22:52" (1/3) ... [2021-10-11 02:22:55,989 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5349211e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:22:55, skipping insertion in model container [2021-10-11 02:22:55,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:53" (2/3) ... [2021-10-11 02:22:55,990 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5349211e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:22:55, skipping insertion in model container [2021-10-11 02:22:55,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:22:55" (3/3) ... [2021-10-11 02:22:55,994 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product03.cil.c [2021-10-11 02:22:56,008 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:22:56,012 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:22:56,023 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:22:56,063 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:22:56,064 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:22:56,065 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:22:56,065 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:22:56,065 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:22:56,065 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:22:56,066 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:22:56,066 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:22:56,085 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states. [2021-10-11 02:22:56,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 02:22:56,092 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:56,093 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 02:22:56,094 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:56,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:56,100 INFO L82 PathProgramCache]: Analyzing trace with hash 1847613332, now seen corresponding path program 1 times [2021-10-11 02:22:56,116 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:56,117 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1473545165] [2021-10-11 02:22:56,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1c555f-e390-4aec-8b8c-b9bfa732f22e/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 02:22:56,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:56,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:22:56,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:56,428 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 02:22:56,429 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:56,429 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1473545165] [2021-10-11 02:22:56,430 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:56,431 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:22:56,432 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048190735] [2021-10-11 02:22:56,444 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:22:56,444 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:56,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:22:56,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:22:56,462 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 2 states. [2021-10-11 02:22:56,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:56,499 INFO L93 Difference]: Finished difference Result 119 states and 180 transitions. [2021-10-11 02:22:56,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:22:56,501 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 02:22:56,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:56,516 INFO L225 Difference]: With dead ends: 119 [2021-10-11 02:22:56,517 INFO L226 Difference]: Without dead ends: 59 [2021-10-11 02:22:56,521 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 02:22:56,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2021-10-11 02:22:56,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2021-10-11 02:22:56,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2021-10-11 02:22:56,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 82 transitions. [2021-10-11 02:22:56,571 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 82 transitions. Word has length 18 [2021-10-11 02:22:56,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:56,572 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 82 transitions. [2021-10-11 02:22:56,572 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:22:56,573 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2021-10-11 02:22:56,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 02:22:56,574 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:56,574 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 02:22:56,789 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:22:56,790 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:56,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:56,790 INFO L82 PathProgramCache]: Analyzing trace with hash -72020122, now seen corresponding path program 1 times [2021-10-11 02:22:56,791 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:56,791 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [375307823] [2021-10-11 02:22:56,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1c555f-e390-4aec-8b8c-b9bfa732f22e/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 02:22:57,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:57,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:22:57,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:57,078 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 02:22:57,078 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:57,079 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [375307823] [2021-10-11 02:22:57,079 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:57,079 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:22:57,080 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771817985] [2021-10-11 02:22:57,082 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:22:57,083 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:57,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:22:57,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:22:57,085 INFO L87 Difference]: Start difference. First operand 59 states and 82 transitions. Second operand 3 states. [2021-10-11 02:22:57,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:57,109 INFO L93 Difference]: Finished difference Result 59 states and 82 transitions. [2021-10-11 02:22:57,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:22:57,110 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 02:22:57,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:57,112 INFO L225 Difference]: With dead ends: 59 [2021-10-11 02:22:57,112 INFO L226 Difference]: Without dead ends: 31 [2021-10-11 02:22:57,114 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 02:22:57,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-10-11 02:22:57,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-10-11 02:22:57,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2021-10-11 02:22:57,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2021-10-11 02:22:57,132 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 19 [2021-10-11 02:22:57,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:57,133 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2021-10-11 02:22:57,134 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:22:57,134 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2021-10-11 02:22:57,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:22:57,136 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:57,136 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 02:22:57,351 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:22:57,352 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:57,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:57,353 INFO L82 PathProgramCache]: Analyzing trace with hash 1370675903, now seen corresponding path program 1 times [2021-10-11 02:22:57,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:57,354 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1008282479] [2021-10-11 02:22:57,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1c555f-e390-4aec-8b8c-b9bfa732f22e/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 02:22:57,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:57,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:22:57,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:57,563 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 02:22:57,563 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:57,564 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1008282479] [2021-10-11 02:22:57,564 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:57,564 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:22:57,564 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258887612] [2021-10-11 02:22:57,565 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:22:57,565 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:57,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:22:57,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:22:57,566 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 3 states. [2021-10-11 02:22:57,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:57,581 INFO L93 Difference]: Finished difference Result 79 states and 115 transitions. [2021-10-11 02:22:57,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:22:57,582 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:22:57,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:57,583 INFO L225 Difference]: With dead ends: 79 [2021-10-11 02:22:57,583 INFO L226 Difference]: Without dead ends: 55 [2021-10-11 02:22:57,583 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 02:22:57,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-10-11 02:22:57,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 51. [2021-10-11 02:22:57,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2021-10-11 02:22:57,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 74 transitions. [2021-10-11 02:22:57,593 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 74 transitions. Word has length 24 [2021-10-11 02:22:57,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:57,593 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 74 transitions. [2021-10-11 02:22:57,593 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:22:57,593 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 74 transitions. [2021-10-11 02:22:57,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:22:57,594 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:57,594 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 02:22:57,806 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:22:57,807 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:57,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:57,807 INFO L82 PathProgramCache]: Analyzing trace with hash 437212194, now seen corresponding path program 1 times [2021-10-11 02:22:57,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:57,808 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [207452976] [2021-10-11 02:22:57,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1c555f-e390-4aec-8b8c-b9bfa732f22e/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 02:22:57,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:57,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:22:57,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:58,039 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 02:22:58,040 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:58,040 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [207452976] [2021-10-11 02:22:58,040 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:58,041 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:22:58,042 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503243153] [2021-10-11 02:22:58,042 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:22:58,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:58,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:22:58,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:22:58,045 INFO L87 Difference]: Start difference. First operand 51 states and 74 transitions. Second operand 5 states. [2021-10-11 02:22:58,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:58,204 INFO L93 Difference]: Finished difference Result 219 states and 337 transitions. [2021-10-11 02:22:58,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 02:22:58,205 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2021-10-11 02:22:58,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:58,211 INFO L225 Difference]: With dead ends: 219 [2021-10-11 02:22:58,211 INFO L226 Difference]: Without dead ends: 175 [2021-10-11 02:22:58,213 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:22:58,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2021-10-11 02:22:58,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 87. [2021-10-11 02:22:58,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2021-10-11 02:22:58,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 126 transitions. [2021-10-11 02:22:58,243 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 126 transitions. Word has length 24 [2021-10-11 02:22:58,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:58,245 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 126 transitions. [2021-10-11 02:22:58,245 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:22:58,245 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 126 transitions. [2021-10-11 02:22:58,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 02:22:58,247 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:58,247 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 02:22:58,460 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:22:58,461 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:58,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:58,462 INFO L82 PathProgramCache]: Analyzing trace with hash 1687550122, now seen corresponding path program 1 times [2021-10-11 02:22:58,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:58,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [885361531] [2021-10-11 02:22:58,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1c555f-e390-4aec-8b8c-b9bfa732f22e/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 02:22:58,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:58,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:22:58,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:58,720 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 02:22:58,721 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:58,721 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [885361531] [2021-10-11 02:22:58,721 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:58,721 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:22:58,722 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699466527] [2021-10-11 02:22:58,723 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:22:58,723 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:58,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:22:58,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:22:58,724 INFO L87 Difference]: Start difference. First operand 87 states and 126 transitions. Second operand 5 states. [2021-10-11 02:22:58,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:58,864 INFO L93 Difference]: Finished difference Result 271 states and 400 transitions. [2021-10-11 02:22:58,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:22:58,865 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2021-10-11 02:22:58,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:58,865 INFO L225 Difference]: With dead ends: 271 [2021-10-11 02:22:58,866 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:22:58,870 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:22:58,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:22:58,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:22:58,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:22:58,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:22:58,875 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2021-10-11 02:22:58,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:58,875 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:22:58,875 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:22:58,875 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:22:58,875 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:22:59,091 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:22:59,093 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:22:59,486 INFO L262 CegarLoopResult]: For program point L217(lines 217 230) no Hoare annotation was computed. [2021-10-11 02:22:59,487 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 871) no Hoare annotation was computed. [2021-10-11 02:22:59,487 INFO L258 CegarLoopResult]: At program point L118(lines 113 121) 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 02:22:59,487 INFO L258 CegarLoopResult]: At program point L118-1(lines 113 121) the Hoare annotation is: false [2021-10-11 02:22:59,487 INFO L258 CegarLoopResult]: At program point L118-2(lines 113 121) the Hoare annotation is: false [2021-10-11 02:22:59,487 INFO L262 CegarLoopResult]: For program point L845(lines 845 862) no Hoare annotation was computed. [2021-10-11 02:22:59,487 INFO L258 CegarLoopResult]: At program point L845-1(lines 1 874) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:22:59,487 INFO L262 CegarLoopResult]: For program point L845-2(lines 845 862) no Hoare annotation was computed. [2021-10-11 02:22:59,488 INFO L258 CegarLoopResult]: At program point L845-3(lines 1 874) the Hoare annotation is: false [2021-10-11 02:22:59,488 INFO L262 CegarLoopResult]: For program point L845-4(lines 845 862) no Hoare annotation was computed. [2021-10-11 02:22:59,488 INFO L258 CegarLoopResult]: At program point L845-5(lines 1 874) the Hoare annotation is: false [2021-10-11 02:22:59,488 INFO L258 CegarLoopResult]: At program point L350(lines 1 874) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:22:59,488 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:22:59,488 INFO L262 CegarLoopResult]: For program point L251(lines 251 255) no Hoare annotation was computed. [2021-10-11 02:22:59,488 INFO L262 CegarLoopResult]: For program point L251-3(lines 251 255) no Hoare annotation was computed. [2021-10-11 02:22:59,488 INFO L262 CegarLoopResult]: For program point L251-6(lines 251 255) no Hoare annotation was computed. [2021-10-11 02:22:59,489 INFO L258 CegarLoopResult]: At program point L235(lines 186 236) the Hoare annotation is: false [2021-10-11 02:22:59,489 INFO L262 CegarLoopResult]: For program point L188(lines 187 234) no Hoare annotation was computed. [2021-10-11 02:22:59,489 INFO L262 CegarLoopResult]: For program point L849(lines 849 859) no Hoare annotation was computed. [2021-10-11 02:22:59,489 INFO L262 CegarLoopResult]: For program point L849-2(lines 849 859) no Hoare annotation was computed. [2021-10-11 02:22:59,489 INFO L262 CegarLoopResult]: For program point L849-4(lines 849 859) no Hoare annotation was computed. [2021-10-11 02:22:59,489 INFO L258 CegarLoopResult]: At program point L288(lines 283 291) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:22:59,489 INFO L258 CegarLoopResult]: At program point L288-1(lines 283 291) the Hoare annotation is: false [2021-10-11 02:22:59,490 INFO L258 CegarLoopResult]: At program point L288-2(lines 283 291) the Hoare annotation is: false [2021-10-11 02:22:59,490 INFO L262 CegarLoopResult]: For program point L189(lines 189 193) no Hoare annotation was computed. [2021-10-11 02:22:59,490 INFO L262 CegarLoopResult]: For program point L850(lines 850 856) no Hoare annotation was computed. [2021-10-11 02:22:59,490 INFO L262 CegarLoopResult]: For program point L850-2(lines 850 856) no Hoare annotation was computed. [2021-10-11 02:22:59,490 INFO L262 CegarLoopResult]: For program point L850-4(lines 850 856) no Hoare annotation was computed. [2021-10-11 02:22:59,490 INFO L258 CegarLoopResult]: At program point L834(lines 829 836) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:22:59,490 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:22:59,490 INFO L262 CegarLoopResult]: For program point L223(lines 223 229) no Hoare annotation was computed. [2021-10-11 02:22:59,490 INFO L258 CegarLoopResult]: At program point L223-1(lines 59 65) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:22:59,491 INFO L262 CegarLoopResult]: For program point L207(lines 207 213) no Hoare annotation was computed. [2021-10-11 02:22:59,491 INFO L258 CegarLoopResult]: At program point L207-1(lines 207 213) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:22:59,491 INFO L258 CegarLoopResult]: At program point L422(lines 418 424) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:22:59,491 INFO L258 CegarLoopResult]: At program point L59(lines 58 77) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:22:59,491 INFO L262 CegarLoopResult]: For program point L59-1(lines 59 65) no Hoare annotation was computed. [2021-10-11 02:22:59,491 INFO L258 CegarLoopResult]: At program point L59-2(lines 58 77) the Hoare annotation is: false [2021-10-11 02:22:59,491 INFO L258 CegarLoopResult]: At program point L59-3(lines 58 77) the Hoare annotation is: false [2021-10-11 02:22:59,492 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 871) no Hoare annotation was computed. [2021-10-11 02:22:59,492 INFO L265 CegarLoopResult]: At program point L456(lines 437 459) the Hoare annotation is: true [2021-10-11 02:22:59,492 INFO L258 CegarLoopResult]: At program point L374-2(lines 374 388) the Hoare annotation is: false [2021-10-11 02:22:59,492 INFO L262 CegarLoopResult]: For program point L275(lines 275 279) no Hoare annotation was computed. [2021-10-11 02:22:59,499 INFO L258 CegarLoopResult]: At program point L358(lines 353 361) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:22:59,500 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:22:59,500 INFO L262 CegarLoopResult]: For program point L375(line 375) no Hoare annotation was computed. [2021-10-11 02:22:59,500 INFO L262 CegarLoopResult]: For program point L871(line 871) no Hoare annotation was computed. [2021-10-11 02:22:59,500 INFO L262 CegarLoopResult]: For program point L871-1(line 871) no Hoare annotation was computed. [2021-10-11 02:22:59,500 INFO L262 CegarLoopResult]: For program point L871-2(line 871) no Hoare annotation was computed. [2021-10-11 02:22:59,500 INFO L262 CegarLoopResult]: For program point L162(lines 162 168) no Hoare annotation was computed. [2021-10-11 02:22:59,501 INFO L258 CegarLoopResult]: At program point L162-1(lines 162 168) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:22:59,501 INFO L262 CegarLoopResult]: For program point L378(lines 378 382) no Hoare annotation was computed. [2021-10-11 02:22:59,501 INFO L262 CegarLoopResult]: For program point L378-1(lines 59 65) no Hoare annotation was computed. [2021-10-11 02:22:59,501 INFO L262 CegarLoopResult]: For program point L263(lines 263 267) no Hoare annotation was computed. [2021-10-11 02:22:59,502 INFO L262 CegarLoopResult]: For program point L197(lines 197 203) no Hoare annotation was computed. [2021-10-11 02:22:59,502 INFO L258 CegarLoopResult]: At program point L197-1(lines 197 203) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:22:59,502 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:22:59,502 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 871) no Hoare annotation was computed. [2021-10-11 02:22:59,502 INFO L258 CegarLoopResult]: At program point L66(lines 66 72) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:22:59,503 INFO L258 CegarLoopResult]: At program point L66-1(lines 66 72) the Hoare annotation is: false [2021-10-11 02:22:59,503 INFO L258 CegarLoopResult]: At program point L66-2(lines 66 72) the Hoare annotation is: false [2021-10-11 02:22:59,503 INFO L262 CegarLoopResult]: For program point L447(lines 447 454) no Hoare annotation was computed. [2021-10-11 02:22:59,503 INFO L265 CegarLoopResult]: At program point L447-1(lines 447 454) the Hoare annotation is: true [2021-10-11 02:22:59,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:22:59 BoogieIcfgContainer [2021-10-11 02:22:59,532 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:22:59,532 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:22:59,532 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:22:59,533 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:22:59,533 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:22:55" (3/4) ... [2021-10-11 02:22:59,536 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:22:59,549 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:22:59,550 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:22:59,551 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:22:59,551 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:22:59,552 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:22:59,552 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:22:59,553 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:22:59,581 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-10-11 02:22:59,628 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1c555f-e390-4aec-8b8c-b9bfa732f22e/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:22:59,628 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:22:59,630 INFO L168 Benchmark]: Toolchain (without parser) took 6713.03 ms. Allocated memory was 58.7 MB in the beginning and 94.4 MB in the end (delta: 35.7 MB). Free memory was 35.7 MB in the beginning and 33.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 36.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:59,630 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 58.7 MB. Free memory is still 39.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:22:59,631 INFO L168 Benchmark]: CACSL2BoogieTranslator took 642.64 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 35.5 MB in the beginning and 54.7 MB in the end (delta: -19.2 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:59,631 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.68 ms. Allocated memory is still 73.4 MB. Free memory was 54.7 MB in the beginning and 52.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:59,632 INFO L168 Benchmark]: Boogie Preprocessor took 38.80 ms. Allocated memory is still 73.4 MB. Free memory was 52.0 MB in the beginning and 50.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:59,632 INFO L168 Benchmark]: RCFGBuilder took 2318.49 ms. Allocated memory is still 73.4 MB. Free memory was 50.0 MB in the beginning and 42.4 MB in the end (delta: 7.6 MB). Peak memory consumption was 26.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:59,633 INFO L168 Benchmark]: TraceAbstraction took 3547.13 ms. Allocated memory was 73.4 MB in the beginning and 94.4 MB in the end (delta: 21.0 MB). Free memory was 41.7 MB in the beginning and 38.0 MB in the end (delta: 3.7 MB). Peak memory consumption was 24.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:59,633 INFO L168 Benchmark]: Witness Printer took 95.83 ms. Allocated memory is still 94.4 MB. Free memory was 38.0 MB in the beginning and 33.0 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:59,636 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 58.7 MB. Free memory is still 39.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 642.64 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 35.5 MB in the beginning and 54.7 MB in the end (delta: -19.2 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 61.68 ms. Allocated memory is still 73.4 MB. Free memory was 54.7 MB in the beginning and 52.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 38.80 ms. Allocated memory is still 73.4 MB. Free memory was 52.0 MB in the beginning and 50.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2318.49 ms. Allocated memory is still 73.4 MB. Free memory was 50.0 MB in the beginning and 42.4 MB in the end (delta: 7.6 MB). Peak memory consumption was 26.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3547.13 ms. Allocated memory was 73.4 MB in the beginning and 94.4 MB in the end (delta: 21.0 MB). Free memory was 41.7 MB in the beginning and 38.0 MB in the end (delta: 3.7 MB). Peak memory consumption was 24.4 MB. Max. memory is 16.1 GB. * Witness Printer took 95.83 ms. Allocated memory is still 94.4 MB. Free memory was 38.0 MB in the beginning and 33.0 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 871]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 871]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 871]: 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: 59]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 829]: 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: 283]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 374]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 63 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 287 SDtfs, 271 SDslu, 298 SDs, 0 SdLazy, 44 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 113 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 92 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 27 LocationsWithAnnotation, 27 PreInvPairs, 113 NumberOfFragments, 128 HoareAnnotationTreeSize, 27 FomulaSimplifications, 2909 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 27 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 105 ConstructedInterpolants, 0 QuantifiedInterpolants, 4953 SizeOfPredicates, 7 NumberOfNonLiveVariables, 986 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...