./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product19.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_0d014a11-cfe6-48a8-ac60-bc5d63abb38a/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d014a11-cfe6-48a8-ac60-bc5d63abb38a/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_0d014a11-cfe6-48a8-ac60-bc5d63abb38a/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d014a11-cfe6-48a8-ac60-bc5d63abb38a/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d014a11-cfe6-48a8-ac60-bc5d63abb38a/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_0d014a11-cfe6-48a8-ac60-bc5d63abb38a/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 656a2bbc2fdeac83f3dcc893b23dff27702d34ec ............................................................................................................................................ 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_0d014a11-cfe6-48a8-ac60-bc5d63abb38a/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d014a11-cfe6-48a8-ac60-bc5d63abb38a/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_0d014a11-cfe6-48a8-ac60-bc5d63abb38a/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d014a11-cfe6-48a8-ac60-bc5d63abb38a/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d014a11-cfe6-48a8-ac60-bc5d63abb38a/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_0d014a11-cfe6-48a8-ac60-bc5d63abb38a/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 656a2bbc2fdeac83f3dcc893b23dff27702d34ec ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:31:41,965 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:31:41,968 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:31:42,000 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:31:42,001 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:31:42,003 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:31:42,005 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:31:42,008 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:31:42,011 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:31:42,012 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:31:42,014 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:31:42,016 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:31:42,016 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:31:42,018 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:31:42,019 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:31:42,021 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:31:42,022 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:31:42,024 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:31:42,026 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:31:42,029 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:31:42,031 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:31:42,033 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:31:42,035 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:31:42,036 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:31:42,040 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:31:42,041 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:31:42,041 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:31:42,042 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:31:42,043 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:31:42,045 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:31:42,045 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:31:42,046 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:31:42,047 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:31:42,048 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:31:42,050 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:31:42,050 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:31:42,052 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:31:42,052 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:31:42,053 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:31:42,054 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:31:42,055 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:31:42,056 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d014a11-cfe6-48a8-ac60-bc5d63abb38a/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:31:42,083 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:31:42,084 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:31:42,084 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:31:42,085 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:31:42,085 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:31:42,085 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:31:42,086 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:31:42,086 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:31:42,086 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:31:42,086 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:31:42,087 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:31:42,087 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:31:42,087 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:31:42,087 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:31:42,088 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:31:42,089 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:31:42,089 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:31:42,089 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:31:42,089 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:31:42,090 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:31:42,090 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:31:42,090 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:31:42,090 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:31:42,091 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:31:42,091 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:31:42,091 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:31:42,091 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:31:42,092 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:31:42,092 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:31:42,092 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:31:42,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:31:42,093 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:31:42,093 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:31:42,093 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:31:42,094 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:31:42,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:31:42,094 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:31:42,094 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:31:42,095 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:31:42,095 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_0d014a11-cfe6-48a8-ac60-bc5d63abb38a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d014a11-cfe6-48a8-ac60-bc5d63abb38a/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 656a2bbc2fdeac83f3dcc893b23dff27702d34ec [2021-10-11 02:31:42,350 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:31:42,380 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:31:42,383 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:31:42,384 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:31:42,385 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:31:42,386 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d014a11-cfe6-48a8-ac60-bc5d63abb38a/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c [2021-10-11 02:31:42,445 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d014a11-cfe6-48a8-ac60-bc5d63abb38a/bin/utaipan-WLngWcDbfI/data/db9cde158/094c850aa4c64c6592d88e8e4ef5aa2d/FLAGaf2310041 [2021-10-11 02:31:43,012 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:31:43,012 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d014a11-cfe6-48a8-ac60-bc5d63abb38a/sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c [2021-10-11 02:31:43,026 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d014a11-cfe6-48a8-ac60-bc5d63abb38a/bin/utaipan-WLngWcDbfI/data/db9cde158/094c850aa4c64c6592d88e8e4ef5aa2d/FLAGaf2310041 [2021-10-11 02:31:43,333 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d014a11-cfe6-48a8-ac60-bc5d63abb38a/bin/utaipan-WLngWcDbfI/data/db9cde158/094c850aa4c64c6592d88e8e4ef5aa2d [2021-10-11 02:31:43,335 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:31:43,337 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:31:43,339 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:31:43,339 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:31:43,342 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:31:43,343 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:31:43" (1/1) ... [2021-10-11 02:31:43,345 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72c8be4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:43, skipping insertion in model container [2021-10-11 02:31:43,345 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:31:43" (1/1) ... [2021-10-11 02:31:43,352 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:31:43,397 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:31:43,575 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_0d014a11-cfe6-48a8-ac60-bc5d63abb38a/sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c[1281,1294] [2021-10-11 02:31:43,710 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:31:43,730 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 02:31:43,732 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@25b72e7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:43, skipping insertion in model container [2021-10-11 02:31:43,732 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:31:43,733 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:31:43,736 INFO L168 Benchmark]: Toolchain (without parser) took 396.94 ms. Allocated memory is still 111.1 MB. Free memory was 80.4 MB in the beginning and 82.7 MB in the end (delta: -2.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:43,737 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 111.1 MB. Free memory is still 64.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:31:43,738 INFO L168 Benchmark]: CACSL2BoogieTranslator took 394.35 ms. Allocated memory is still 111.1 MB. Free memory was 80.4 MB in the beginning and 82.7 MB in the end (delta: -2.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:43,741 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 111.1 MB. Free memory is still 64.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 394.35 ms. Allocated memory is still 111.1 MB. Free memory was 80.4 MB in the beginning and 82.7 MB in the end (delta: -2.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 79]: 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 02:31:45,898 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:31:45,908 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:31:45,966 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:31:45,967 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:31:45,972 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:31:45,974 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:31:45,980 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:31:45,983 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:31:45,989 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:31:45,993 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:31:45,995 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:31:45,995 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:31:45,999 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:31:46,000 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:31:46,002 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:31:46,004 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:31:46,005 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:31:46,011 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:31:46,021 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:31:46,023 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:31:46,024 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:31:46,027 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:31:46,030 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:31:46,038 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:31:46,039 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:31:46,039 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:31:46,041 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:31:46,042 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:31:46,043 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:31:46,044 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:31:46,045 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:31:46,046 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:31:46,047 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:31:46,048 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:31:46,049 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:31:46,049 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:31:46,050 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:31:46,050 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:31:46,052 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:31:46,053 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:31:46,054 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d014a11-cfe6-48a8-ac60-bc5d63abb38a/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:31:46,094 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:31:46,094 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:31:46,096 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:31:46,096 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:31:46,096 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:31:46,097 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:31:46,097 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:31:46,097 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:31:46,097 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:31:46,099 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:31:46,100 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:31:46,100 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:31:46,100 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:31:46,101 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:31:46,101 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:31:46,101 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:31:46,101 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:31:46,101 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:31:46,102 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:31:46,102 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:31:46,102 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:31:46,102 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:31:46,102 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:31:46,103 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:31:46,103 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:31:46,103 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:31:46,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:31:46,104 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:31:46,104 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:31:46,104 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:31:46,104 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:31:46,105 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:31:46,105 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:31:46,105 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:31:46,105 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:31:46,106 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_0d014a11-cfe6-48a8-ac60-bc5d63abb38a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d014a11-cfe6-48a8-ac60-bc5d63abb38a/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 656a2bbc2fdeac83f3dcc893b23dff27702d34ec [2021-10-11 02:31:46,482 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:31:46,517 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:31:46,519 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:31:46,521 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:31:46,523 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:31:46,524 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d014a11-cfe6-48a8-ac60-bc5d63abb38a/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c [2021-10-11 02:31:46,599 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d014a11-cfe6-48a8-ac60-bc5d63abb38a/bin/utaipan-WLngWcDbfI/data/826e94c80/ea6d18f19a474301aa12ad52a3846371/FLAG2560957d1 [2021-10-11 02:31:47,212 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:31:47,215 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d014a11-cfe6-48a8-ac60-bc5d63abb38a/sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c [2021-10-11 02:31:47,236 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d014a11-cfe6-48a8-ac60-bc5d63abb38a/bin/utaipan-WLngWcDbfI/data/826e94c80/ea6d18f19a474301aa12ad52a3846371/FLAG2560957d1 [2021-10-11 02:31:47,462 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d014a11-cfe6-48a8-ac60-bc5d63abb38a/bin/utaipan-WLngWcDbfI/data/826e94c80/ea6d18f19a474301aa12ad52a3846371 [2021-10-11 02:31:47,465 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:31:47,467 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:31:47,471 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:31:47,471 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:31:47,475 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:31:47,476 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:31:47" (1/1) ... [2021-10-11 02:31:47,478 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79bc1b3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:47, skipping insertion in model container [2021-10-11 02:31:47,479 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:31:47" (1/1) ... [2021-10-11 02:31:47,487 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:31:47,550 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:31:47,717 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_0d014a11-cfe6-48a8-ac60-bc5d63abb38a/sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c[1281,1294] [2021-10-11 02:31:47,875 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:31:47,921 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:31:47,929 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:31:47,949 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_0d014a11-cfe6-48a8-ac60-bc5d63abb38a/sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c[1281,1294] [2021-10-11 02:31:48,061 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:31:48,071 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:31:48,086 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_0d014a11-cfe6-48a8-ac60-bc5d63abb38a/sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c[1281,1294] [2021-10-11 02:31:48,135 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:31:48,171 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:31:48,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:48 WrapperNode [2021-10-11 02:31:48,174 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:31:48,175 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:31:48,175 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:31:48,175 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:31:48,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:48" (1/1) ... [2021-10-11 02:31:48,208 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:48" (1/1) ... [2021-10-11 02:31:48,253 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:31:48,261 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:31:48,262 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:31:48,262 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:31:48,269 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:48" (1/1) ... [2021-10-11 02:31:48,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:48" (1/1) ... [2021-10-11 02:31:48,274 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:48" (1/1) ... [2021-10-11 02:31:48,274 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:48" (1/1) ... [2021-10-11 02:31:48,286 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:48" (1/1) ... [2021-10-11 02:31:48,292 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:48" (1/1) ... [2021-10-11 02:31:48,295 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:48" (1/1) ... [2021-10-11 02:31:48,300 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:31:48,301 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:31:48,301 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:31:48,301 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:31:48,302 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:48" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d014a11-cfe6-48a8-ac60-bc5d63abb38a/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 02:31:48,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:31:48,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:31:48,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:31:48,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:31:50,909 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:31:50,909 INFO L299 CfgBuilder]: Removed 102 assume(true) statements. [2021-10-11 02:31:50,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:31:50 BoogieIcfgContainer [2021-10-11 02:31:50,911 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:31:50,913 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:31:50,913 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:31:50,916 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:31:50,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:31:47" (1/3) ... [2021-10-11 02:31:50,917 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ae5dfc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:31:50, skipping insertion in model container [2021-10-11 02:31:50,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:48" (2/3) ... [2021-10-11 02:31:50,918 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ae5dfc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:31:50, skipping insertion in model container [2021-10-11 02:31:50,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:31:50" (3/3) ... [2021-10-11 02:31:50,920 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product19.cil.c [2021-10-11 02:31:50,941 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:31:50,945 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:31:50,956 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:31:50,981 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:31:50,981 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:31:50,981 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:31:50,982 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:31:50,982 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:31:50,982 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:31:50,982 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:31:50,982 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:31:50,996 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states. [2021-10-11 02:31:51,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 02:31:51,002 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:51,003 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 02:31:51,004 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:51,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:51,010 INFO L82 PathProgramCache]: Analyzing trace with hash 1392435012, now seen corresponding path program 1 times [2021-10-11 02:31:51,023 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:51,023 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [355956427] [2021-10-11 02:31:51,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d014a11-cfe6-48a8-ac60-bc5d63abb38a/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 02:31:51,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:51,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:31:51,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:51,320 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 02:31:51,320 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:51,321 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [355956427] [2021-10-11 02:31:51,322 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:51,323 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:31:51,324 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159825447] [2021-10-11 02:31:51,331 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:31:51,332 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:51,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:31:51,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:31:51,349 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 2 states. [2021-10-11 02:31:51,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:51,398 INFO L93 Difference]: Finished difference Result 155 states and 234 transitions. [2021-10-11 02:31:51,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:31:51,400 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 02:31:51,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:51,416 INFO L225 Difference]: With dead ends: 155 [2021-10-11 02:31:51,416 INFO L226 Difference]: Without dead ends: 77 [2021-10-11 02:31:51,419 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 02:31:51,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2021-10-11 02:31:51,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2021-10-11 02:31:51,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2021-10-11 02:31:51,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 109 transitions. [2021-10-11 02:31:51,468 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 109 transitions. Word has length 18 [2021-10-11 02:31:51,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:51,469 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 109 transitions. [2021-10-11 02:31:51,469 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:31:51,469 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2021-10-11 02:31:51,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 02:31:51,471 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:51,471 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 02:31:51,692 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:31:51,692 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:51,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:51,693 INFO L82 PathProgramCache]: Analyzing trace with hash 1173599043, now seen corresponding path program 1 times [2021-10-11 02:31:51,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:51,695 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1737199582] [2021-10-11 02:31:51,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d014a11-cfe6-48a8-ac60-bc5d63abb38a/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 02:31:51,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:51,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:31:51,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:51,962 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 02:31:51,962 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:51,962 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1737199582] [2021-10-11 02:31:51,963 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:51,963 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:31:51,963 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233928597] [2021-10-11 02:31:51,965 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:31:51,965 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:51,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:31:51,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:31:51,967 INFO L87 Difference]: Start difference. First operand 77 states and 109 transitions. Second operand 3 states. [2021-10-11 02:31:51,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:51,992 INFO L93 Difference]: Finished difference Result 77 states and 109 transitions. [2021-10-11 02:31:51,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:31:51,994 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 02:31:51,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:51,996 INFO L225 Difference]: With dead ends: 77 [2021-10-11 02:31:51,997 INFO L226 Difference]: Without dead ends: 37 [2021-10-11 02:31:51,998 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 02:31:51,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2021-10-11 02:31:52,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2021-10-11 02:31:52,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2021-10-11 02:31:52,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 52 transitions. [2021-10-11 02:31:52,008 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 52 transitions. Word has length 19 [2021-10-11 02:31:52,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:52,012 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 52 transitions. [2021-10-11 02:31:52,012 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:31:52,012 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2021-10-11 02:31:52,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:31:52,014 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:52,014 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 02:31:52,229 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:31:52,230 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:52,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:52,230 INFO L82 PathProgramCache]: Analyzing trace with hash 1808533439, now seen corresponding path program 1 times [2021-10-11 02:31:52,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:52,231 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2119343289] [2021-10-11 02:31:52,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d014a11-cfe6-48a8-ac60-bc5d63abb38a/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 02:31:52,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:52,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:31:52,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:52,457 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 02:31:52,457 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:52,458 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2119343289] [2021-10-11 02:31:52,458 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:52,458 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:31:52,458 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099211508] [2021-10-11 02:31:52,459 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:31:52,459 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:52,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:31:52,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:31:52,460 INFO L87 Difference]: Start difference. First operand 37 states and 52 transitions. Second operand 3 states. [2021-10-11 02:31:52,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:52,477 INFO L93 Difference]: Finished difference Result 97 states and 142 transitions. [2021-10-11 02:31:52,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:31:52,483 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:31:52,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:52,488 INFO L225 Difference]: With dead ends: 97 [2021-10-11 02:31:52,488 INFO L226 Difference]: Without dead ends: 67 [2021-10-11 02:31:52,489 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 02:31:52,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2021-10-11 02:31:52,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 63. [2021-10-11 02:31:52,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2021-10-11 02:31:52,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 92 transitions. [2021-10-11 02:31:52,509 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 92 transitions. Word has length 24 [2021-10-11 02:31:52,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:52,510 INFO L481 AbstractCegarLoop]: Abstraction has 63 states and 92 transitions. [2021-10-11 02:31:52,511 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:31:52,511 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 92 transitions. [2021-10-11 02:31:52,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 02:31:52,513 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:52,513 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 02:31:52,735 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:31:52,735 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:52,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:52,736 INFO L82 PathProgramCache]: Analyzing trace with hash -71070855, now seen corresponding path program 1 times [2021-10-11 02:31:52,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:52,737 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1687951984] [2021-10-11 02:31:52,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d014a11-cfe6-48a8-ac60-bc5d63abb38a/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 02:31:52,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:52,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:31:52,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:52,993 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 02:31:52,993 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:52,993 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1687951984] [2021-10-11 02:31:52,993 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:52,994 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:31:52,994 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821325989] [2021-10-11 02:31:52,994 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:31:52,994 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:52,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:31:52,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:31:52,997 INFO L87 Difference]: Start difference. First operand 63 states and 92 transitions. Second operand 5 states. [2021-10-11 02:31:53,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:53,135 INFO L93 Difference]: Finished difference Result 303 states and 463 transitions. [2021-10-11 02:31:53,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 02:31:53,136 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2021-10-11 02:31:53,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:53,140 INFO L225 Difference]: With dead ends: 303 [2021-10-11 02:31:53,140 INFO L226 Difference]: Without dead ends: 247 [2021-10-11 02:31:53,141 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 02:31:53,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2021-10-11 02:31:53,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 111. [2021-10-11 02:31:53,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2021-10-11 02:31:53,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 162 transitions. [2021-10-11 02:31:53,179 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 162 transitions. Word has length 25 [2021-10-11 02:31:53,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:53,181 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 162 transitions. [2021-10-11 02:31:53,181 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:31:53,181 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 162 transitions. [2021-10-11 02:31:53,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 02:31:53,187 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:53,187 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 02:31:53,399 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:31:53,400 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:53,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:53,400 INFO L82 PathProgramCache]: Analyzing trace with hash 34699249, now seen corresponding path program 1 times [2021-10-11 02:31:53,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:53,401 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1682393149] [2021-10-11 02:31:53,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d014a11-cfe6-48a8-ac60-bc5d63abb38a/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 02:31:53,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:53,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:31:53,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:53,646 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 02:31:53,646 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:53,647 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1682393149] [2021-10-11 02:31:53,647 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:53,647 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:31:53,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294963999] [2021-10-11 02:31:53,648 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:31:53,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:53,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:31:53,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:31:53,649 INFO L87 Difference]: Start difference. First operand 111 states and 162 transitions. Second operand 5 states. [2021-10-11 02:31:53,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:53,758 INFO L93 Difference]: Finished difference Result 307 states and 460 transitions. [2021-10-11 02:31:53,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:31:53,759 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2021-10-11 02:31:53,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:53,760 INFO L225 Difference]: With dead ends: 307 [2021-10-11 02:31:53,760 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:31:53,764 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 02:31:53,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:31:53,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:31:53,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:31:53,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:31:53,769 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2021-10-11 02:31:53,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:53,769 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:31:53,770 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:31:53,770 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:31:53,770 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:31:53,981 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:31:53,983 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:31:54,410 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 02:31:54,410 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:31:54,410 INFO L258 CegarLoopResult]: At program point L467(lines 462 470) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:31:54,410 INFO L258 CegarLoopResult]: At program point L467-1(lines 462 470) the Hoare annotation is: false [2021-10-11 02:31:54,410 INFO L258 CegarLoopResult]: At program point L467-2(lines 462 470) the Hoare annotation is: false [2021-10-11 02:31:54,410 INFO L262 CegarLoopResult]: For program point L847(lines 847 853) no Hoare annotation was computed. [2021-10-11 02:31:54,411 INFO L258 CegarLoopResult]: At program point L847-1(lines 847 853) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:31:54,411 INFO L262 CegarLoopResult]: For program point L699(lines 699 716) no Hoare annotation was computed. [2021-10-11 02:31:54,411 INFO L262 CegarLoopResult]: For program point L699-1(lines 699 716) no Hoare annotation was computed. [2021-10-11 02:31:54,411 INFO L262 CegarLoopResult]: For program point L699-2(lines 699 716) no Hoare annotation was computed. [2021-10-11 02:31:54,411 INFO L262 CegarLoopResult]: For program point L815(lines 815 821) no Hoare annotation was computed. [2021-10-11 02:31:54,411 INFO L258 CegarLoopResult]: At program point L815-1(lines 815 821) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:31:54,411 INFO L258 CegarLoopResult]: At program point L667(lines 666 685) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:31:54,411 INFO L262 CegarLoopResult]: For program point L667-1(lines 667 673) no Hoare annotation was computed. [2021-10-11 02:31:54,411 INFO L258 CegarLoopResult]: At program point L667-2(lines 666 685) the Hoare annotation is: false [2021-10-11 02:31:54,412 INFO L258 CegarLoopResult]: At program point L667-3(lines 666 685) the Hoare annotation is: false [2021-10-11 02:31:54,412 INFO L262 CegarLoopResult]: For program point L635(lines 635 652) no Hoare annotation was computed. [2021-10-11 02:31:54,412 INFO L258 CegarLoopResult]: At program point L635-1(lines 1 927) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:31:54,412 INFO L262 CegarLoopResult]: For program point L635-2(lines 635 652) no Hoare annotation was computed. [2021-10-11 02:31:54,412 INFO L258 CegarLoopResult]: At program point L635-3(lines 1 927) the Hoare annotation is: false [2021-10-11 02:31:54,412 INFO L262 CegarLoopResult]: For program point L635-4(lines 635 652) no Hoare annotation was computed. [2021-10-11 02:31:54,412 INFO L258 CegarLoopResult]: At program point L635-5(lines 1 927) the Hoare annotation is: false [2021-10-11 02:31:54,412 INFO L258 CegarLoopResult]: At program point L916(lines 1 927) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:31:54,413 INFO L262 CegarLoopResult]: For program point L454(lines 454 458) no Hoare annotation was computed. [2021-10-11 02:31:54,413 INFO L262 CegarLoopResult]: For program point L867(lines 867 880) no Hoare annotation was computed. [2021-10-11 02:31:54,413 INFO L262 CegarLoopResult]: For program point L801(lines 801 805) no Hoare annotation was computed. [2021-10-11 02:31:54,413 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:31:54,413 INFO L262 CegarLoopResult]: For program point L801-2(lines 801 805) no Hoare annotation was computed. [2021-10-11 02:31:54,413 INFO L262 CegarLoopResult]: For program point L801-3(lines 801 805) no Hoare annotation was computed. [2021-10-11 02:31:54,413 INFO L262 CegarLoopResult]: For program point L801-5(lines 801 805) no Hoare annotation was computed. [2021-10-11 02:31:54,413 INFO L262 CegarLoopResult]: For program point L603(lines 603 610) no Hoare annotation was computed. [2021-10-11 02:31:54,413 INFO L262 CegarLoopResult]: For program point L801-6(lines 801 805) no Hoare annotation was computed. [2021-10-11 02:31:54,414 INFO L265 CegarLoopResult]: At program point L603-1(lines 603 610) the Hoare annotation is: true [2021-10-11 02:31:54,414 INFO L262 CegarLoopResult]: For program point L801-8(lines 801 805) no Hoare annotation was computed. [2021-10-11 02:31:54,414 INFO L258 CegarLoopResult]: At program point L752(lines 747 755) 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 02:31:54,414 INFO L258 CegarLoopResult]: At program point L752-1(lines 747 755) the Hoare annotation is: false [2021-10-11 02:31:54,414 INFO L258 CegarLoopResult]: At program point L752-2(lines 747 755) the Hoare annotation is: false [2021-10-11 02:31:54,414 INFO L262 CegarLoopResult]: For program point L703(lines 703 711) no Hoare annotation was computed. [2021-10-11 02:31:54,414 INFO L262 CegarLoopResult]: For program point L703-1(lines 703 711) no Hoare annotation was computed. [2021-10-11 02:31:54,414 INFO L262 CegarLoopResult]: For program point L703-2(lines 703 711) no Hoare annotation was computed. [2021-10-11 02:31:54,415 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 02:31:54,415 INFO L258 CegarLoopResult]: At program point L885(lines 836 886) the Hoare annotation is: false [2021-10-11 02:31:54,415 INFO L262 CegarLoopResult]: For program point L639(lines 639 649) no Hoare annotation was computed. [2021-10-11 02:31:54,415 INFO L262 CegarLoopResult]: For program point L639-2(lines 639 649) no Hoare annotation was computed. [2021-10-11 02:31:54,415 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:31:54,415 INFO L262 CegarLoopResult]: For program point L639-4(lines 639 649) no Hoare annotation was computed. [2021-10-11 02:31:54,415 INFO L262 CegarLoopResult]: For program point L838(lines 837 884) no Hoare annotation was computed. [2021-10-11 02:31:54,415 INFO L262 CegarLoopResult]: For program point L640(lines 640 646) no Hoare annotation was computed. [2021-10-11 02:31:54,415 INFO L258 CegarLoopResult]: At program point L574(lines 570 576) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:31:54,415 INFO L262 CegarLoopResult]: For program point L640-2(lines 640 646) no Hoare annotation was computed. [2021-10-11 02:31:54,415 INFO L258 CegarLoopResult]: At program point L508(lines 503 511) the Hoare annotation is: false [2021-10-11 02:31:54,416 INFO L262 CegarLoopResult]: For program point L640-4(lines 640 646) no Hoare annotation was computed. [2021-10-11 02:31:54,416 INFO L258 CegarLoopResult]: At program point L508-1(lines 503 511) the Hoare annotation is: false [2021-10-11 02:31:54,416 INFO L262 CegarLoopResult]: For program point L442(lines 442 446) no Hoare annotation was computed. [2021-10-11 02:31:54,416 INFO L258 CegarLoopResult]: At program point L508-2(lines 503 511) the Hoare annotation is: false [2021-10-11 02:31:54,416 INFO L258 CegarLoopResult]: At program point L624(lines 619 626) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:31:54,416 INFO L262 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2021-10-11 02:31:54,416 INFO L262 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2021-10-11 02:31:54,416 INFO L262 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2021-10-11 02:31:54,416 INFO L258 CegarLoopResult]: At program point L525-2(lines 525 539) the Hoare annotation is: false [2021-10-11 02:31:54,416 INFO L262 CegarLoopResult]: For program point L839(lines 839 843) no Hoare annotation was computed. [2021-10-11 02:31:54,416 INFO L258 CegarLoopResult]: At program point L674(lines 674 680) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:31:54,416 INFO L258 CegarLoopResult]: At program point L674-1(lines 674 680) the Hoare annotation is: false [2021-10-11 02:31:54,416 INFO L258 CegarLoopResult]: At program point L674-2(lines 674 680) the Hoare annotation is: false [2021-10-11 02:31:54,417 INFO L262 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2021-10-11 02:31:54,417 INFO L262 CegarLoopResult]: For program point L873(lines 873 879) no Hoare annotation was computed. [2021-10-11 02:31:54,417 INFO L258 CegarLoopResult]: At program point L873-1(lines 667 673) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:31:54,417 INFO L258 CegarLoopResult]: At program point L807(lines 792 810) the Hoare annotation is: false [2021-10-11 02:31:54,417 INFO L258 CegarLoopResult]: At program point L807-1(lines 792 810) the Hoare annotation is: false [2021-10-11 02:31:54,417 INFO L258 CegarLoopResult]: At program point L807-2(lines 792 810) the Hoare annotation is: false [2021-10-11 02:31:54,417 INFO L262 CegarLoopResult]: For program point L857(lines 857 863) no Hoare annotation was computed. [2021-10-11 02:31:54,417 INFO L258 CegarLoopResult]: At program point L857-1(lines 857 863) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:31:54,417 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:31:54,417 INFO L258 CegarLoopResult]: At program point L924(lines 919 927) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:31:54,417 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 02:31:54,417 INFO L262 CegarLoopResult]: For program point L529(lines 529 533) no Hoare annotation was computed. [2021-10-11 02:31:54,418 INFO L262 CegarLoopResult]: For program point L529-1(lines 667 673) no Hoare annotation was computed. [2021-10-11 02:31:54,418 INFO L262 CegarLoopResult]: For program point L430(lines 430 434) no Hoare annotation was computed. [2021-10-11 02:31:54,418 INFO L262 CegarLoopResult]: For program point L430-3(lines 430 434) no Hoare annotation was computed. [2021-10-11 02:31:54,418 INFO L262 CegarLoopResult]: For program point L430-6(lines 430 434) no Hoare annotation was computed. [2021-10-11 02:31:54,418 INFO L265 CegarLoopResult]: At program point L612(lines 593 615) the Hoare annotation is: true [2021-10-11 02:31:54,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:31:54 BoogieIcfgContainer [2021-10-11 02:31:54,450 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:31:54,450 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:31:54,450 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:31:54,450 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:31:54,451 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:31:50" (3/4) ... [2021-10-11 02:31:54,454 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:31:54,475 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:31:54,475 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:31:54,476 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:31:54,477 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:31:54,477 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:31:54,478 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:31:54,479 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:31:54,512 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-10-11 02:31:54,585 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d014a11-cfe6-48a8-ac60-bc5d63abb38a/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:31:54,585 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:31:54,587 INFO L168 Benchmark]: Toolchain (without parser) took 7118.31 ms. Allocated memory was 67.1 MB in the beginning and 113.2 MB in the end (delta: 46.1 MB). Free memory was 49.2 MB in the beginning and 57.0 MB in the end (delta: -7.7 MB). Peak memory consumption was 39.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:54,587 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 67.1 MB. Free memory was 49.8 MB in the beginning and 49.8 MB in the end (delta: 55.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:31:54,588 INFO L168 Benchmark]: CACSL2BoogieTranslator took 703.51 ms. Allocated memory is still 67.1 MB. Free memory was 49.1 MB in the beginning and 36.7 MB in the end (delta: 12.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:54,588 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.68 ms. Allocated memory is still 67.1 MB. Free memory was 36.7 MB in the beginning and 33.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:54,588 INFO L168 Benchmark]: Boogie Preprocessor took 38.87 ms. Allocated memory is still 67.1 MB. Free memory was 33.7 MB in the beginning and 31.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:54,589 INFO L168 Benchmark]: RCFGBuilder took 2610.41 ms. Allocated memory was 67.1 MB in the beginning and 90.2 MB in the end (delta: 23.1 MB). Free memory was 31.4 MB in the beginning and 40.4 MB in the end (delta: -9.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:54,591 INFO L168 Benchmark]: TraceAbstraction took 3536.65 ms. Allocated memory was 90.2 MB in the beginning and 113.2 MB in the end (delta: 23.1 MB). Free memory was 39.8 MB in the beginning and 63.3 MB in the end (delta: -23.5 MB). Peak memory consumption was 29.0 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:54,591 INFO L168 Benchmark]: Witness Printer took 135.01 ms. Allocated memory is still 113.2 MB. Free memory was 63.3 MB in the beginning and 57.0 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:54,593 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 67.1 MB. Free memory was 49.8 MB in the beginning and 49.8 MB in the end (delta: 55.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 703.51 ms. Allocated memory is still 67.1 MB. Free memory was 49.1 MB in the beginning and 36.7 MB in the end (delta: 12.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 85.68 ms. Allocated memory is still 67.1 MB. Free memory was 36.7 MB in the beginning and 33.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 38.87 ms. Allocated memory is still 67.1 MB. Free memory was 33.7 MB in the beginning and 31.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2610.41 ms. Allocated memory was 67.1 MB in the beginning and 90.2 MB in the end (delta: 23.1 MB). Free memory was 31.4 MB in the beginning and 40.4 MB in the end (delta: -9.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3536.65 ms. Allocated memory was 90.2 MB in the beginning and 113.2 MB in the end (delta: 23.1 MB). Free memory was 39.8 MB in the beginning and 63.3 MB in the end (delta: -23.5 MB). Peak memory consumption was 29.0 MB. Max. memory is 16.1 GB. * Witness Printer took 135.01 ms. Allocated memory is still 113.2 MB. Free memory was 63.3 MB in the beginning and 57.0 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: 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: 593]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 815]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 847]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 81 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 350 SDtfs, 336 SDslu, 370 SDs, 0 SdLazy, 49 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 115 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 140 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 119 NumberOfFragments, 134 HoareAnnotationTreeSize, 33 FomulaSimplifications, 2909 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 33 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 5197 SizeOfPredicates, 7 NumberOfNonLiveVariables, 988 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...