./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product08.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_fbc202f7-2687-49a5-b5f3-3d8b5ebe889e/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc202f7-2687-49a5-b5f3-3d8b5ebe889e/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_fbc202f7-2687-49a5-b5f3-3d8b5ebe889e/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc202f7-2687-49a5-b5f3-3d8b5ebe889e/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product08.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc202f7-2687-49a5-b5f3-3d8b5ebe889e/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_fbc202f7-2687-49a5-b5f3-3d8b5ebe889e/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 a22bfa4730ddab21776840b89a04f286cc468614 ............................................................................................................................................ 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_fbc202f7-2687-49a5-b5f3-3d8b5ebe889e/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc202f7-2687-49a5-b5f3-3d8b5ebe889e/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_fbc202f7-2687-49a5-b5f3-3d8b5ebe889e/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc202f7-2687-49a5-b5f3-3d8b5ebe889e/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product08.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc202f7-2687-49a5-b5f3-3d8b5ebe889e/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_fbc202f7-2687-49a5-b5f3-3d8b5ebe889e/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 a22bfa4730ddab21776840b89a04f286cc468614 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 02:32:19,921 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:32:19,924 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:32:19,975 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:32:19,975 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:32:19,980 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:32:19,983 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:32:19,987 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:32:19,990 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:32:19,996 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:32:19,997 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:32:19,999 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:32:19,999 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:32:20,002 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:32:20,004 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:32:20,006 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:32:20,008 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:32:20,013 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:32:20,018 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:32:20,028 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:32:20,031 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:32:20,032 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:32:20,036 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:32:20,037 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:32:20,048 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:32:20,049 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:32:20,050 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:32:20,052 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:32:20,053 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:32:20,055 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:32:20,055 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:32:20,056 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:32:20,058 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:32:20,060 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:32:20,061 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:32:20,061 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:32:20,062 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:32:20,062 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:32:20,063 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:32:20,064 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:32:20,064 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:32:20,065 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc202f7-2687-49a5-b5f3-3d8b5ebe889e/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:32:20,099 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:32:20,099 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:32:20,100 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:32:20,101 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:32:20,101 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:32:20,101 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:32:20,101 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:32:20,102 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:32:20,102 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:32:20,102 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:32:20,102 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:32:20,103 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:32:20,103 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:32:20,103 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:32:20,103 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:32:20,104 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:32:20,104 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:32:20,104 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:32:20,104 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:32:20,104 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:32:20,105 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:32:20,105 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:32:20,105 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:32:20,105 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:32:20,105 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:32:20,105 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:32:20,105 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:32:20,106 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:32:20,106 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:32:20,106 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:32:20,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:32:20,106 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:32:20,106 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:32:20,107 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:32:20,107 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:32:20,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:32:20,107 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:32:20,108 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:32:20,108 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:32:20,108 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_fbc202f7-2687-49a5-b5f3-3d8b5ebe889e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc202f7-2687-49a5-b5f3-3d8b5ebe889e/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a22bfa4730ddab21776840b89a04f286cc468614 [2021-10-11 02:32:20,409 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:32:20,438 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:32:20,442 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:32:20,444 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:32:20,445 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:32:20,446 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc202f7-2687-49a5-b5f3-3d8b5ebe889e/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec2_product08.cil.c [2021-10-11 02:32:20,546 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc202f7-2687-49a5-b5f3-3d8b5ebe889e/bin/utaipan-WLngWcDbfI/data/f5bc9f9aa/8337f9d83b30415d8628520c95ba6e22/FLAGb88bbca04 [2021-10-11 02:32:21,072 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:32:21,077 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc202f7-2687-49a5-b5f3-3d8b5ebe889e/sv-benchmarks/c/product-lines/minepump_spec2_product08.cil.c [2021-10-11 02:32:21,089 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc202f7-2687-49a5-b5f3-3d8b5ebe889e/bin/utaipan-WLngWcDbfI/data/f5bc9f9aa/8337f9d83b30415d8628520c95ba6e22/FLAGb88bbca04 [2021-10-11 02:32:21,381 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc202f7-2687-49a5-b5f3-3d8b5ebe889e/bin/utaipan-WLngWcDbfI/data/f5bc9f9aa/8337f9d83b30415d8628520c95ba6e22 [2021-10-11 02:32:21,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:32:21,384 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:32:21,387 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:32:21,388 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:32:21,391 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:32:21,395 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:32:21" (1/1) ... [2021-10-11 02:32:21,397 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e368d02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:21, skipping insertion in model container [2021-10-11 02:32:21,402 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:32:21" (1/1) ... [2021-10-11 02:32:21,409 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:32:21,460 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:32:21,753 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_fbc202f7-2687-49a5-b5f3-3d8b5ebe889e/sv-benchmarks/c/product-lines/minepump_spec2_product08.cil.c[13495,13508] [2021-10-11 02:32:21,799 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:32:21,819 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 02:32:21,819 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@777e17a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:21, skipping insertion in model container [2021-10-11 02:32:21,820 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:32:21,820 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:32:21,822 INFO L168 Benchmark]: Toolchain (without parser) took 436.97 ms. Allocated memory was 88.1 MB in the beginning and 121.6 MB in the end (delta: 33.6 MB). Free memory was 51.9 MB in the beginning and 94.9 MB in the end (delta: -43.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:32:21,823 INFO L168 Benchmark]: CDTParser took 0.94 ms. Allocated memory is still 88.1 MB. Free memory is still 69.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:32:21,824 INFO L168 Benchmark]: CACSL2BoogieTranslator took 432.47 ms. Allocated memory was 88.1 MB in the beginning and 121.6 MB in the end (delta: 33.6 MB). Free memory was 51.7 MB in the beginning and 94.9 MB in the end (delta: -43.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:32:21,826 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.94 ms. Allocated memory is still 88.1 MB. Free memory is still 69.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 432.47 ms. Allocated memory was 88.1 MB in the beginning and 121.6 MB in the end (delta: 33.6 MB). Free memory was 51.7 MB in the beginning and 94.9 MB in the end (delta: -43.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 176]: 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 02:32:24,138 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:32:24,141 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:32:24,197 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:32:24,198 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:32:24,204 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:32:24,207 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:32:24,213 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:32:24,216 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:32:24,225 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:32:24,229 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:32:24,232 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:32:24,232 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:32:24,236 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:32:24,238 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:32:24,240 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:32:24,242 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:32:24,247 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:32:24,249 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:32:24,257 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:32:24,260 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:32:24,261 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:32:24,264 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:32:24,267 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:32:24,273 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:32:24,274 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:32:24,274 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:32:24,276 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:32:24,277 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:32:24,278 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:32:24,279 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:32:24,280 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:32:24,282 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:32:24,283 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:32:24,284 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:32:24,285 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:32:24,285 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:32:24,286 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:32:24,286 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:32:24,288 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:32:24,289 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:32:24,290 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc202f7-2687-49a5-b5f3-3d8b5ebe889e/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:32:24,333 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:32:24,335 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:32:24,337 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:32:24,337 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:32:24,338 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:32:24,338 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:32:24,338 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:32:24,339 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:32:24,340 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:32:24,341 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:32:24,343 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:32:24,343 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:32:24,343 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:32:24,343 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:32:24,344 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:32:24,344 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:32:24,344 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:32:24,345 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:32:24,345 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:32:24,345 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:32:24,345 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:32:24,346 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:32:24,346 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:32:24,346 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:32:24,346 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:32:24,347 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:32:24,347 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:32:24,347 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:32:24,348 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:32:24,348 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:32:24,348 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:32:24,348 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:32:24,349 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:32:24,349 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:32:24,349 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:32:24,350 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_fbc202f7-2687-49a5-b5f3-3d8b5ebe889e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc202f7-2687-49a5-b5f3-3d8b5ebe889e/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a22bfa4730ddab21776840b89a04f286cc468614 [2021-10-11 02:32:24,740 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:32:24,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:32:24,767 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:32:24,769 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:32:24,770 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:32:24,771 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc202f7-2687-49a5-b5f3-3d8b5ebe889e/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec2_product08.cil.c [2021-10-11 02:32:24,857 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc202f7-2687-49a5-b5f3-3d8b5ebe889e/bin/utaipan-WLngWcDbfI/data/3e57c2261/ef07018cccf2473e92421b3ee0f03a4c/FLAG8867f7937 [2021-10-11 02:32:25,471 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:32:25,472 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc202f7-2687-49a5-b5f3-3d8b5ebe889e/sv-benchmarks/c/product-lines/minepump_spec2_product08.cil.c [2021-10-11 02:32:25,485 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc202f7-2687-49a5-b5f3-3d8b5ebe889e/bin/utaipan-WLngWcDbfI/data/3e57c2261/ef07018cccf2473e92421b3ee0f03a4c/FLAG8867f7937 [2021-10-11 02:32:25,720 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc202f7-2687-49a5-b5f3-3d8b5ebe889e/bin/utaipan-WLngWcDbfI/data/3e57c2261/ef07018cccf2473e92421b3ee0f03a4c [2021-10-11 02:32:25,722 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:32:25,723 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:32:25,724 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:32:25,724 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:32:25,728 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:32:25,728 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:32:25" (1/1) ... [2021-10-11 02:32:25,730 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cae1795 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:25, skipping insertion in model container [2021-10-11 02:32:25,731 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:32:25" (1/1) ... [2021-10-11 02:32:25,745 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:32:25,808 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:32:26,068 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_fbc202f7-2687-49a5-b5f3-3d8b5ebe889e/sv-benchmarks/c/product-lines/minepump_spec2_product08.cil.c[13495,13508] [2021-10-11 02:32:26,138 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:32:26,164 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:32:26,179 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:32:26,264 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_fbc202f7-2687-49a5-b5f3-3d8b5ebe889e/sv-benchmarks/c/product-lines/minepump_spec2_product08.cil.c[13495,13508] [2021-10-11 02:32:26,287 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:32:26,297 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:32:26,381 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_fbc202f7-2687-49a5-b5f3-3d8b5ebe889e/sv-benchmarks/c/product-lines/minepump_spec2_product08.cil.c[13495,13508] [2021-10-11 02:32:26,394 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:32:26,427 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:32:26,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:26 WrapperNode [2021-10-11 02:32:26,428 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:32:26,429 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:32:26,429 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:32:26,430 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:32:26,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:26" (1/1) ... [2021-10-11 02:32:26,455 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:26" (1/1) ... [2021-10-11 02:32:26,508 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:32:26,508 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:32:26,508 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:32:26,509 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:32:26,517 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:26" (1/1) ... [2021-10-11 02:32:26,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:26" (1/1) ... [2021-10-11 02:32:26,522 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:26" (1/1) ... [2021-10-11 02:32:26,522 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:26" (1/1) ... [2021-10-11 02:32:26,533 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:26" (1/1) ... [2021-10-11 02:32:26,539 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:26" (1/1) ... [2021-10-11 02:32:26,542 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:26" (1/1) ... [2021-10-11 02:32:26,547 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:32:26,548 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:32:26,548 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:32:26,548 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:32:26,549 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:26" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc202f7-2687-49a5-b5f3-3d8b5ebe889e/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 02:32:26,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:32:26,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:32:26,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:32:26,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:32:28,981 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:32:28,982 INFO L299 CfgBuilder]: Removed 104 assume(true) statements. [2021-10-11 02:32:28,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:32:28 BoogieIcfgContainer [2021-10-11 02:32:28,984 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:32:28,985 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:32:28,985 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:32:28,988 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:32:28,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:32:25" (1/3) ... [2021-10-11 02:32:28,989 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3488891e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:32:28, skipping insertion in model container [2021-10-11 02:32:28,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:26" (2/3) ... [2021-10-11 02:32:28,990 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3488891e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:32:28, skipping insertion in model container [2021-10-11 02:32:28,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:32:28" (3/3) ... [2021-10-11 02:32:28,991 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product08.cil.c [2021-10-11 02:32:29,005 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:32:29,010 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:32:29,021 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:32:29,062 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:32:29,064 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:32:29,064 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:32:29,064 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:32:29,064 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:32:29,064 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:32:29,064 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:32:29,065 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:32:29,083 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2021-10-11 02:32:29,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 02:32:29,089 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:32:29,090 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 02:32:29,091 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:32:29,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:32:29,095 INFO L82 PathProgramCache]: Analyzing trace with hash 312412164, now seen corresponding path program 1 times [2021-10-11 02:32:29,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:32:29,109 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [978549224] [2021-10-11 02:32:29,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc202f7-2687-49a5-b5f3-3d8b5ebe889e/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 02:32:29,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:32:29,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:32:29,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:32:29,413 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 02:32:29,413 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:32:29,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [978549224] [2021-10-11 02:32:29,415 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:32:29,415 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:32:29,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821897379] [2021-10-11 02:32:29,430 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:32:29,430 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:32:29,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:32:29,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:32:29,460 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2021-10-11 02:32:29,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:32:29,488 INFO L93 Difference]: Finished difference Result 143 states and 216 transitions. [2021-10-11 02:32:29,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:32:29,490 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 02:32:29,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:32:29,499 INFO L225 Difference]: With dead ends: 143 [2021-10-11 02:32:29,499 INFO L226 Difference]: Without dead ends: 71 [2021-10-11 02:32:29,502 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 02:32:29,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-10-11 02:32:29,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-10-11 02:32:29,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2021-10-11 02:32:29,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 100 transitions. [2021-10-11 02:32:29,543 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 100 transitions. Word has length 18 [2021-10-11 02:32:29,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:32:29,543 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 100 transitions. [2021-10-11 02:32:29,543 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:32:29,544 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 100 transitions. [2021-10-11 02:32:29,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 02:32:29,545 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:32:29,546 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 02:32:29,757 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:32:29,758 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:32:29,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:32:29,758 INFO L82 PathProgramCache]: Analyzing trace with hash 93576195, now seen corresponding path program 1 times [2021-10-11 02:32:29,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:32:29,759 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1014785973] [2021-10-11 02:32:29,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc202f7-2687-49a5-b5f3-3d8b5ebe889e/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 02:32:29,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:32:29,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:32:29,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:32:30,002 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 02:32:30,002 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:32:30,002 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1014785973] [2021-10-11 02:32:30,002 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:32:30,003 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:32:30,003 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465480141] [2021-10-11 02:32:30,004 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:32:30,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:32:30,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:32:30,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:32:30,005 INFO L87 Difference]: Start difference. First operand 71 states and 100 transitions. Second operand 3 states. [2021-10-11 02:32:30,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:32:30,030 INFO L93 Difference]: Finished difference Result 71 states and 100 transitions. [2021-10-11 02:32:30,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:32:30,031 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 02:32:30,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:32:30,032 INFO L225 Difference]: With dead ends: 71 [2021-10-11 02:32:30,032 INFO L226 Difference]: Without dead ends: 35 [2021-10-11 02:32:30,033 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 02:32:30,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-10-11 02:32:30,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-10-11 02:32:30,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2021-10-11 02:32:30,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2021-10-11 02:32:30,038 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2021-10-11 02:32:30,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:32:30,039 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2021-10-11 02:32:30,039 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:32:30,039 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2021-10-11 02:32:30,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:32:30,040 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:32:30,040 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 02:32:30,258 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:32:30,259 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:32:30,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:32:30,260 INFO L82 PathProgramCache]: Analyzing trace with hash 1221563328, now seen corresponding path program 1 times [2021-10-11 02:32:30,260 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:32:30,261 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [450020285] [2021-10-11 02:32:30,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc202f7-2687-49a5-b5f3-3d8b5ebe889e/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 02:32:30,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:32:30,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:32:30,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:32:30,494 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 02:32:30,495 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:32:30,495 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [450020285] [2021-10-11 02:32:30,495 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:32:30,495 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:32:30,496 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090779811] [2021-10-11 02:32:30,496 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:32:30,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:32:30,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:32:30,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:32:30,497 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 3 states. [2021-10-11 02:32:30,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:32:30,554 INFO L93 Difference]: Finished difference Result 91 states and 133 transitions. [2021-10-11 02:32:30,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:32:30,554 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:32:30,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:32:30,558 INFO L225 Difference]: With dead ends: 91 [2021-10-11 02:32:30,558 INFO L226 Difference]: Without dead ends: 63 [2021-10-11 02:32:30,559 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 02:32:30,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2021-10-11 02:32:30,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 59. [2021-10-11 02:32:30,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2021-10-11 02:32:30,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 86 transitions. [2021-10-11 02:32:30,578 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 86 transitions. Word has length 24 [2021-10-11 02:32:30,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:32:30,579 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 86 transitions. [2021-10-11 02:32:30,579 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:32:30,579 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 86 transitions. [2021-10-11 02:32:30,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 02:32:30,581 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:32:30,581 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 02:32:30,791 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:32:30,791 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:32:30,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:32:30,791 INFO L82 PathProgramCache]: Analyzing trace with hash -854554471, now seen corresponding path program 1 times [2021-10-11 02:32:30,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:32:30,792 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1309757526] [2021-10-11 02:32:30,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc202f7-2687-49a5-b5f3-3d8b5ebe889e/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 02:32:30,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:32:30,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:32:30,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:32:31,037 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 02:32:31,038 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:32:31,038 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1309757526] [2021-10-11 02:32:31,038 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:32:31,039 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:32:31,039 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477037578] [2021-10-11 02:32:31,039 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:32:31,039 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:32:31,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:32:31,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:32:31,041 INFO L87 Difference]: Start difference. First operand 59 states and 86 transitions. Second operand 5 states. [2021-10-11 02:32:31,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:32:31,226 INFO L93 Difference]: Finished difference Result 265 states and 407 transitions. [2021-10-11 02:32:31,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 02:32:31,227 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2021-10-11 02:32:31,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:32:31,233 INFO L225 Difference]: With dead ends: 265 [2021-10-11 02:32:31,233 INFO L226 Difference]: Without dead ends: 213 [2021-10-11 02:32:31,234 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 02:32:31,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2021-10-11 02:32:31,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 103. [2021-10-11 02:32:31,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2021-10-11 02:32:31,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 150 transitions. [2021-10-11 02:32:31,276 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 150 transitions. Word has length 25 [2021-10-11 02:32:31,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:32:31,278 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 150 transitions. [2021-10-11 02:32:31,278 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:32:31,278 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 150 transitions. [2021-10-11 02:32:31,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 02:32:31,284 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:32:31,284 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 02:32:31,485 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:32:31,485 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:32:31,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:32:31,486 INFO L82 PathProgramCache]: Analyzing trace with hash -748784367, now seen corresponding path program 1 times [2021-10-11 02:32:31,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:32:31,486 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1342640666] [2021-10-11 02:32:31,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc202f7-2687-49a5-b5f3-3d8b5ebe889e/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 02:32:31,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:32:31,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:32:31,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:32:31,720 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 02:32:31,721 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:32:31,721 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1342640666] [2021-10-11 02:32:31,721 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:32:31,721 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:32:31,721 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797658135] [2021-10-11 02:32:31,722 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:32:31,722 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:32:31,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:32:31,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:32:31,722 INFO L87 Difference]: Start difference. First operand 103 states and 150 transitions. Second operand 5 states. [2021-10-11 02:32:31,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:32:31,828 INFO L93 Difference]: Finished difference Result 299 states and 448 transitions. [2021-10-11 02:32:31,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:32:31,831 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2021-10-11 02:32:31,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:32:31,832 INFO L225 Difference]: With dead ends: 299 [2021-10-11 02:32:31,832 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:32:31,838 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 02:32:31,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:32:31,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:32:31,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:32:31,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:32:31,842 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2021-10-11 02:32:31,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:32:31,842 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:32:31,842 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:32:31,843 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:32:31,844 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:32:32,055 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:32:32,057 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:32:32,486 INFO L258 CegarLoopResult]: At program point L762(lines 761 780) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:32:32,486 INFO L262 CegarLoopResult]: For program point L762-1(lines 762 768) no Hoare annotation was computed. [2021-10-11 02:32:32,486 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 602) no Hoare annotation was computed. [2021-10-11 02:32:32,486 INFO L262 CegarLoopResult]: For program point L696(lines 696 700) no Hoare annotation was computed. [2021-10-11 02:32:32,486 INFO L258 CegarLoopResult]: At program point L762-2(lines 761 780) the Hoare annotation is: false [2021-10-11 02:32:32,486 INFO L258 CegarLoopResult]: At program point L762-3(lines 761 780) the Hoare annotation is: false [2021-10-11 02:32:32,486 INFO L262 CegarLoopResult]: For program point L548(lines 548 552) no Hoare annotation was computed. [2021-10-11 02:32:32,486 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:32:32,487 INFO L262 CegarLoopResult]: For program point L664(lines 664 674) no Hoare annotation was computed. [2021-10-11 02:32:32,487 INFO L262 CegarLoopResult]: For program point L664-2(lines 664 674) no Hoare annotation was computed. [2021-10-11 02:32:32,487 INFO L262 CegarLoopResult]: For program point L664-4(lines 664 674) no Hoare annotation was computed. [2021-10-11 02:32:32,487 INFO L262 CegarLoopResult]: For program point L714(lines 714 720) no Hoare annotation was computed. [2021-10-11 02:32:32,487 INFO L258 CegarLoopResult]: At program point L714-1(lines 714 720) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:32:32,487 INFO L262 CegarLoopResult]: For program point L665(lines 665 671) no Hoare annotation was computed. [2021-10-11 02:32:32,487 INFO L262 CegarLoopResult]: For program point L665-2(lines 665 671) no Hoare annotation was computed. [2021-10-11 02:32:32,487 INFO L262 CegarLoopResult]: For program point L665-4(lines 665 671) no Hoare annotation was computed. [2021-10-11 02:32:32,487 INFO L258 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2021-10-11 02:32:32,488 INFO L258 CegarLoopResult]: At program point L847(lines 842 850) 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 02:32:32,488 INFO L258 CegarLoopResult]: At program point L847-1(lines 842 850) the Hoare annotation is: false [2021-10-11 02:32:32,488 INFO L258 CegarLoopResult]: At program point L847-2(lines 842 850) the Hoare annotation is: false [2021-10-11 02:32:32,488 INFO L258 CegarLoopResult]: At program point L649(lines 644 651) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:32:32,488 INFO L262 CegarLoopResult]: For program point L798(lines 798 806) no Hoare annotation was computed. [2021-10-11 02:32:32,488 INFO L262 CegarLoopResult]: For program point L798-1(lines 798 806) no Hoare annotation was computed. [2021-10-11 02:32:32,488 INFO L262 CegarLoopResult]: For program point L732(lines 732 738) no Hoare annotation was computed. [2021-10-11 02:32:32,488 INFO L262 CegarLoopResult]: For program point L798-2(lines 798 806) no Hoare annotation was computed. [2021-10-11 02:32:32,488 INFO L258 CegarLoopResult]: At program point L732-1(lines 762 768) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:32:32,489 INFO L262 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2021-10-11 02:32:32,489 INFO L258 CegarLoopResult]: At program point L105(lines 101 107) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:32:32,489 INFO L262 CegarLoopResult]: For program point L602(line 602) no Hoare annotation was computed. [2021-10-11 02:32:32,489 INFO L262 CegarLoopResult]: For program point L602-1(line 602) no Hoare annotation was computed. [2021-10-11 02:32:32,489 INFO L262 CegarLoopResult]: For program point L536(lines 536 540) no Hoare annotation was computed. [2021-10-11 02:32:32,489 INFO L262 CegarLoopResult]: For program point L602-2(line 602) no Hoare annotation was computed. [2021-10-11 02:32:32,489 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:32:32,489 INFO L262 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2021-10-11 02:32:32,489 INFO L262 CegarLoopResult]: For program point L58-1(lines 762 768) no Hoare annotation was computed. [2021-10-11 02:32:32,490 INFO L258 CegarLoopResult]: At program point L769(lines 769 775) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:32:32,490 INFO L258 CegarLoopResult]: At program point L769-1(lines 769 775) the Hoare annotation is: false [2021-10-11 02:32:32,490 INFO L258 CegarLoopResult]: At program point L769-2(lines 769 775) the Hoare annotation is: false [2021-10-11 02:32:32,490 INFO L258 CegarLoopResult]: At program point L637(lines 632 640) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:32:32,490 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 602) no Hoare annotation was computed. [2021-10-11 02:32:32,490 INFO L262 CegarLoopResult]: For program point L704(lines 704 710) no Hoare annotation was computed. [2021-10-11 02:32:32,490 INFO L258 CegarLoopResult]: At program point L704-1(lines 704 710) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:32:32,490 INFO L265 CegarLoopResult]: At program point L143(lines 124 146) the Hoare annotation is: true [2021-10-11 02:32:32,490 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:32:32,491 INFO L262 CegarLoopResult]: For program point L524(lines 524 528) no Hoare annotation was computed. [2021-10-11 02:32:32,491 INFO L262 CegarLoopResult]: For program point L524-3(lines 524 528) no Hoare annotation was computed. [2021-10-11 02:32:32,491 INFO L258 CegarLoopResult]: At program point L838(lines 831 841) the Hoare annotation is: false [2021-10-11 02:32:32,491 INFO L262 CegarLoopResult]: For program point L524-6(lines 524 528) no Hoare annotation was computed. [2021-10-11 02:32:32,491 INFO L258 CegarLoopResult]: At program point L838-1(lines 831 841) the Hoare annotation is: false [2021-10-11 02:32:32,491 INFO L258 CegarLoopResult]: At program point L838-2(lines 831 841) the Hoare annotation is: false [2021-10-11 02:32:32,491 INFO L262 CegarLoopResult]: For program point L724(lines 724 739) no Hoare annotation was computed. [2021-10-11 02:32:32,491 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:32:32,491 INFO L262 CegarLoopResult]: For program point L891(lines 891 897) no Hoare annotation was computed. [2021-10-11 02:32:32,492 INFO L258 CegarLoopResult]: At program point L891-1(lines 891 897) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:32:32,492 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 602) no Hoare annotation was computed. [2021-10-11 02:32:32,492 INFO L262 CegarLoopResult]: For program point L660(lines 660 677) no Hoare annotation was computed. [2021-10-11 02:32:32,492 INFO L258 CegarLoopResult]: At program point L660-1(lines 1 909) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:32:32,492 INFO L262 CegarLoopResult]: For program point L660-2(lines 660 677) no Hoare annotation was computed. [2021-10-11 02:32:32,492 INFO L258 CegarLoopResult]: At program point L561(lines 556 564) the Hoare annotation is: false [2021-10-11 02:32:32,492 INFO L258 CegarLoopResult]: At program point L660-3(lines 1 909) the Hoare annotation is: false [2021-10-11 02:32:32,492 INFO L258 CegarLoopResult]: At program point L561-1(lines 556 564) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:32:32,492 INFO L262 CegarLoopResult]: For program point L660-4(lines 660 677) no Hoare annotation was computed. [2021-10-11 02:32:32,493 INFO L258 CegarLoopResult]: At program point L561-2(lines 556 564) the Hoare annotation is: false [2021-10-11 02:32:32,493 INFO L258 CegarLoopResult]: At program point L660-5(lines 1 909) the Hoare annotation is: false [2021-10-11 02:32:32,493 INFO L258 CegarLoopResult]: At program point L561-3(lines 556 564) the Hoare annotation is: false [2021-10-11 02:32:32,493 INFO L258 CegarLoopResult]: At program point L561-4(lines 556 564) the Hoare annotation is: false [2021-10-11 02:32:32,493 INFO L258 CegarLoopResult]: At program point L561-5(lines 556 564) the Hoare annotation is: false [2021-10-11 02:32:32,493 INFO L258 CegarLoopResult]: At program point L744(lines 693 745) the Hoare annotation is: false [2021-10-11 02:32:32,493 INFO L262 CegarLoopResult]: For program point L794(lines 794 811) no Hoare annotation was computed. [2021-10-11 02:32:32,493 INFO L262 CegarLoopResult]: For program point L794-1(lines 794 811) no Hoare annotation was computed. [2021-10-11 02:32:32,493 INFO L262 CegarLoopResult]: For program point L794-2(lines 794 811) no Hoare annotation was computed. [2021-10-11 02:32:32,494 INFO L262 CegarLoopResult]: For program point L695(lines 694 743) no Hoare annotation was computed. [2021-10-11 02:32:32,494 INFO L258 CegarLoopResult]: At program point L629(lines 1 909) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:32:32,494 INFO L262 CegarLoopResult]: For program point L134(lines 134 141) no Hoare annotation was computed. [2021-10-11 02:32:32,494 INFO L265 CegarLoopResult]: At program point L134-1(lines 134 141) the Hoare annotation is: true [2021-10-11 02:32:32,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:32:32 BoogieIcfgContainer [2021-10-11 02:32:32,531 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:32:32,531 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:32:32,532 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:32:32,532 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:32:32,532 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:32:28" (3/4) ... [2021-10-11 02:32:32,535 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:32:32,558 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:32:32,559 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:32:32,560 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:32:32,560 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:32:32,561 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:32:32,561 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:32:32,562 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:32:32,595 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-10-11 02:32:32,658 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc202f7-2687-49a5-b5f3-3d8b5ebe889e/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:32:32,659 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:32:32,660 INFO L168 Benchmark]: Toolchain (without parser) took 6936.12 ms. Allocated memory was 67.1 MB in the beginning and 119.5 MB in the end (delta: 52.4 MB). Free memory was 48.5 MB in the beginning and 70.6 MB in the end (delta: -22.0 MB). Peak memory consumption was 28.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:32:32,660 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 67.1 MB. Free memory is still 48.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:32:32,661 INFO L168 Benchmark]: CACSL2BoogieTranslator took 704.12 ms. Allocated memory is still 67.1 MB. Free memory was 48.3 MB in the beginning and 35.2 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:32:32,661 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.61 ms. Allocated memory is still 67.1 MB. Free memory was 35.2 MB in the beginning and 32.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:32:32,662 INFO L168 Benchmark]: Boogie Preprocessor took 38.84 ms. Allocated memory is still 67.1 MB. Free memory was 32.2 MB in the beginning and 30.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:32:32,662 INFO L168 Benchmark]: RCFGBuilder took 2435.85 ms. Allocated memory was 67.1 MB in the beginning and 98.6 MB in the end (delta: 31.5 MB). Free memory was 30.1 MB in the beginning and 62.1 MB in the end (delta: -32.0 MB). Peak memory consumption was 19.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:32:32,663 INFO L168 Benchmark]: TraceAbstraction took 3546.01 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 61.6 MB in the beginning and 76.8 MB in the end (delta: -15.3 MB). Peak memory consumption was 43.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:32:32,663 INFO L168 Benchmark]: Witness Printer took 127.16 ms. Allocated memory is still 119.5 MB. Free memory was 76.8 MB in the beginning and 70.6 MB in the end (delta: 6.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:32:32,665 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 67.1 MB. Free memory is still 48.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 704.12 ms. Allocated memory is still 67.1 MB. Free memory was 48.3 MB in the beginning and 35.2 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 78.61 ms. Allocated memory is still 67.1 MB. Free memory was 35.2 MB in the beginning and 32.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 38.84 ms. Allocated memory is still 67.1 MB. Free memory was 32.2 MB in the beginning and 30.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2435.85 ms. Allocated memory was 67.1 MB in the beginning and 98.6 MB in the end (delta: 31.5 MB). Free memory was 30.1 MB in the beginning and 62.1 MB in the end (delta: -32.0 MB). Peak memory consumption was 19.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3546.01 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 61.6 MB in the beginning and 76.8 MB in the end (delta: -15.3 MB). Peak memory consumption was 43.6 MB. Max. memory is 16.1 GB. * Witness Printer took 127.16 ms. Allocated memory is still 119.5 MB. Free memory was 76.8 MB in the beginning and 70.6 MB in the end (delta: 6.3 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: 602]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 602]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 602]: 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: 556]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 769]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 769]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 769]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 644]: 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: 693]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 842]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 842]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 704]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 632]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 762]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 842]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 325 SDtfs, 321 SDslu, 327 SDs, 0 SdLazy, 65 SolverSat, 13 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=103occurred 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, 114 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 119 NumberOfFragments, 134 HoareAnnotationTreeSize, 33 FomulaSimplifications, 2984 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 33 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s 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...