./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ed2bf7d0-daea-4943-b1b1-474611e1f9ab/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ed2bf7d0-daea-4943-b1b1-474611e1f9ab/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ed2bf7d0-daea-4943-b1b1-474611e1f9ab/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ed2bf7d0-daea-4943-b1b1-474611e1f9ab/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ed2bf7d0-daea-4943-b1b1-474611e1f9ab/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ed2bf7d0-daea-4943-b1b1-474611e1f9ab/bin/utaipan --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 576a1858cb64f3543afb00cb741cc3175c43895a ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ed2bf7d0-daea-4943-b1b1-474611e1f9ab/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ed2bf7d0-daea-4943-b1b1-474611e1f9ab/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ed2bf7d0-daea-4943-b1b1-474611e1f9ab/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ed2bf7d0-daea-4943-b1b1-474611e1f9ab/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ed2bf7d0-daea-4943-b1b1-474611e1f9ab/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ed2bf7d0-daea-4943-b1b1-474611e1f9ab/bin/utaipan --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 576a1858cb64f3543afb00cb741cc3175c43895a ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:30:01,934 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:30:01,936 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:30:01,997 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:30:02,010 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:30:02,014 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:30:02,018 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:30:02,021 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:30:02,024 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:30:02,029 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:30:02,030 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:30:02,032 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:30:02,033 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:30:02,036 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:30:02,037 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:30:02,040 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:30:02,041 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:30:02,042 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:30:02,047 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:30:02,054 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:30:02,056 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:30:02,057 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:30:02,060 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:30:02,061 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:30:02,069 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:30:02,069 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:30:02,070 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:30:02,072 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:30:02,072 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:30:02,074 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:30:02,074 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:30:02,076 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:30:02,077 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:30:02,079 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:30:02,080 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:30:02,080 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:30:02,081 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:30:02,081 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:30:02,081 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:30:02,083 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:30:02,084 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:30:02,087 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ed2bf7d0-daea-4943-b1b1-474611e1f9ab/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-28 07:30:02,130 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:30:02,130 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:30:02,132 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:30:02,132 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:30:02,132 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:30:02,132 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:30:02,133 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-28 07:30:02,133 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:30:02,133 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:30:02,134 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-28 07:30:02,135 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-28 07:30:02,135 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:30:02,135 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-28 07:30:02,135 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-28 07:30:02,136 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-28 07:30:02,136 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:30:02,137 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:30:02,137 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:30:02,137 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:30:02,138 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:30:02,138 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:30:02,138 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:30:02,138 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:30:02,139 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:30:02,139 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:30:02,139 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:30:02,140 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:30:02,140 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:30:02,140 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:30:02,140 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:30:02,141 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:30:02,141 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:30:02,142 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:30:02,142 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:30:02,142 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:30:02,142 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-28 07:30:02,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 07:30:02,143 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:30:02,143 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:30:02,144 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:30:02,144 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-vcloud-master/worker/run_dir_ed2bf7d0-daea-4943-b1b1-474611e1f9ab/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ed2bf7d0-daea-4943-b1b1-474611e1f9ab/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 576a1858cb64f3543afb00cb741cc3175c43895a [2020-11-28 07:30:02,407 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:30:02,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:30:02,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:30:02,431 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:30:02,434 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:30:02,435 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ed2bf7d0-daea-4943-b1b1-474611e1f9ab/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c [2020-11-28 07:30:02,513 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ed2bf7d0-daea-4943-b1b1-474611e1f9ab/bin/utaipan/data/9f57ae817/03f33e208fd94c5ea8fa6354307c235d/FLAG594dc0355 [2020-11-28 07:30:02,990 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:30:02,990 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ed2bf7d0-daea-4943-b1b1-474611e1f9ab/sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c [2020-11-28 07:30:03,003 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ed2bf7d0-daea-4943-b1b1-474611e1f9ab/bin/utaipan/data/9f57ae817/03f33e208fd94c5ea8fa6354307c235d/FLAG594dc0355 [2020-11-28 07:30:03,334 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ed2bf7d0-daea-4943-b1b1-474611e1f9ab/bin/utaipan/data/9f57ae817/03f33e208fd94c5ea8fa6354307c235d [2020-11-28 07:30:03,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:30:03,337 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:30:03,341 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:30:03,341 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:30:03,345 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:30:03,345 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:30:03" (1/1) ... [2020-11-28 07:30:03,347 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7aabebf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:30:03, skipping insertion in model container [2020-11-28 07:30:03,347 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:30:03" (1/1) ... [2020-11-28 07:30:03,356 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:30:03,422 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:30:03,849 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:30:03,864 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) [2020-11-28 07:30:03,865 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@51fbe355 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:30:03, skipping insertion in model container [2020-11-28 07:30:03,865 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:30:03,865 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 07:30:03,867 INFO L168 Benchmark]: Toolchain (without parser) took 529.02 ms. Allocated memory is still 107.0 MB. Free memory was 73.7 MB in the beginning and 80.7 MB in the end (delta: -6.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 07:30:03,868 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 71.3 MB. Free memory was 33.1 MB in the beginning and 33.1 MB in the end (delta: 32.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:30:03,869 INFO L168 Benchmark]: CACSL2BoogieTranslator took 524.15 ms. Allocated memory is still 107.0 MB. Free memory was 73.5 MB in the beginning and 80.7 MB in the end (delta: -7.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 07:30:03,879 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 71.3 MB. Free memory was 33.1 MB in the beginning and 33.1 MB in the end (delta: 32.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 524.15 ms. Allocated memory is still 107.0 MB. Free memory was 73.5 MB in the beginning and 80.7 MB in the end (delta: -7.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 339]: 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-a4ecdab [2020-11-28 07:30:06,072 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:30:06,074 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:30:06,109 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:30:06,114 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:30:06,120 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:30:06,122 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:30:06,128 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:30:06,131 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:30:06,139 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:30:06,140 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:30:06,141 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:30:06,141 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:30:06,142 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:30:06,144 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:30:06,146 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:30:06,147 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:30:06,150 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:30:06,158 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:30:06,166 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:30:06,168 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:30:06,171 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:30:06,176 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:30:06,177 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:30:06,181 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:30:06,181 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:30:06,181 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:30:06,183 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:30:06,183 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:30:06,184 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:30:06,185 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:30:06,199 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:30:06,201 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:30:06,202 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:30:06,203 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:30:06,203 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:30:06,204 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:30:06,204 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:30:06,205 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:30:06,206 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:30:06,207 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:30:06,208 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ed2bf7d0-daea-4943-b1b1-474611e1f9ab/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-28 07:30:06,259 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:30:06,260 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:30:06,262 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:30:06,262 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:30:06,262 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:30:06,262 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:30:06,263 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:30:06,263 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:30:06,263 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:30:06,264 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:30:06,265 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:30:06,265 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:30:06,266 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:30:06,266 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:30:06,266 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:30:06,266 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:30:06,266 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:30:06,267 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 07:30:06,267 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 07:30:06,267 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:30:06,267 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:30:06,267 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:30:06,268 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:30:06,268 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:30:06,268 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 07:30:06,268 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:30:06,268 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:30:06,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:30:06,269 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:30:06,269 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:30:06,269 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:30:06,269 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 07:30:06,270 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 07:30:06,270 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:30:06,270 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:30:06,270 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:30:06,270 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-vcloud-master/worker/run_dir_ed2bf7d0-daea-4943-b1b1-474611e1f9ab/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ed2bf7d0-daea-4943-b1b1-474611e1f9ab/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 576a1858cb64f3543afb00cb741cc3175c43895a [2020-11-28 07:30:06,636 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:30:06,673 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:30:06,677 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:30:06,679 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:30:06,681 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:30:06,682 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ed2bf7d0-daea-4943-b1b1-474611e1f9ab/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c [2020-11-28 07:30:06,755 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ed2bf7d0-daea-4943-b1b1-474611e1f9ab/bin/utaipan/data/d7ac151af/cd1df0d307c54eb79e72a77e6e89236e/FLAG03c4d1719 [2020-11-28 07:30:07,286 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:30:07,286 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ed2bf7d0-daea-4943-b1b1-474611e1f9ab/sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c [2020-11-28 07:30:07,301 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ed2bf7d0-daea-4943-b1b1-474611e1f9ab/bin/utaipan/data/d7ac151af/cd1df0d307c54eb79e72a77e6e89236e/FLAG03c4d1719 [2020-11-28 07:30:07,600 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ed2bf7d0-daea-4943-b1b1-474611e1f9ab/bin/utaipan/data/d7ac151af/cd1df0d307c54eb79e72a77e6e89236e [2020-11-28 07:30:07,603 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:30:07,605 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:30:07,607 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:30:07,607 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:30:07,611 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:30:07,612 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:30:07" (1/1) ... [2020-11-28 07:30:07,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79a67f67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:30:07, skipping insertion in model container [2020-11-28 07:30:07,621 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:30:07" (1/1) ... [2020-11-28 07:30:07,629 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:30:07,699 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:30:08,062 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:30:08,080 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-28 07:30:08,095 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:30:08,186 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:30:08,190 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 07:30:08,276 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:30:08,325 INFO L208 MainTranslator]: Completed translation [2020-11-28 07:30:08,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:30:08 WrapperNode [2020-11-28 07:30:08,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:30:08,328 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 07:30:08,328 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 07:30:08,328 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 07:30:08,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:30:08" (1/1) ... [2020-11-28 07:30:08,376 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:30:08" (1/1) ... [2020-11-28 07:30:08,427 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 07:30:08,432 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 07:30:08,433 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 07:30:08,433 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 07:30:08,441 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:30:08" (1/1) ... [2020-11-28 07:30:08,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:30:08" (1/1) ... [2020-11-28 07:30:08,453 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:30:08" (1/1) ... [2020-11-28 07:30:08,453 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:30:08" (1/1) ... [2020-11-28 07:30:08,475 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:30:08" (1/1) ... [2020-11-28 07:30:08,493 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:30:08" (1/1) ... [2020-11-28 07:30:08,496 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:30:08" (1/1) ... [2020-11-28 07:30:08,505 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 07:30:08,506 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 07:30:08,509 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 07:30:08,509 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 07:30:08,510 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:30:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ed2bf7d0-daea-4943-b1b1-474611e1f9ab/bin/utaipan/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 [2020-11-28 07:30:08,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 07:30:08,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-28 07:30:08,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 07:30:08,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 07:30:10,725 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 07:30:10,726 INFO L298 CfgBuilder]: Removed 106 assume(true) statements. [2020-11-28 07:30:10,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:30:10 BoogieIcfgContainer [2020-11-28 07:30:10,727 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 07:30:10,729 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 07:30:10,729 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 07:30:10,732 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 07:30:10,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 07:30:07" (1/3) ... [2020-11-28 07:30:10,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35b3ac63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:30:10, skipping insertion in model container [2020-11-28 07:30:10,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:30:08" (2/3) ... [2020-11-28 07:30:10,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35b3ac63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:30:10, skipping insertion in model container [2020-11-28 07:30:10,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:30:10" (3/3) ... [2020-11-28 07:30:10,735 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product27.cil.c [2020-11-28 07:30:10,745 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 07:30:10,749 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 07:30:10,760 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 07:30:10,782 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 07:30:10,782 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 07:30:10,782 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 07:30:10,782 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 07:30:10,782 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 07:30:10,783 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 07:30:10,783 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 07:30:10,783 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 07:30:10,796 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states. [2020-11-28 07:30:10,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 07:30:10,802 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:30:10,803 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:30:10,803 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:30:10,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:30:10,809 INFO L82 PathProgramCache]: Analyzing trace with hash 91881395, now seen corresponding path program 1 times [2020-11-28 07:30:10,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:30:10,821 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1757454367] [2020-11-28 07:30:10,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ed2bf7d0-daea-4943-b1b1-474611e1f9ab/bin/utaipan/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 [2020-11-28 07:30:11,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:30:11,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-28 07:30:11,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:30:11,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:30:11,123 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:30:11,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:30:11,132 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1757454367] [2020-11-28 07:30:11,133 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:30:11,133 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-28 07:30:11,138 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850785383] [2020-11-28 07:30:11,141 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 07:30:11,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:30:11,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 07:30:11,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 07:30:11,156 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 2 states. [2020-11-28 07:30:11,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:30:11,180 INFO L93 Difference]: Finished difference Result 151 states and 224 transitions. [2020-11-28 07:30:11,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 07:30:11,181 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-28 07:30:11,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:30:11,190 INFO L225 Difference]: With dead ends: 151 [2020-11-28 07:30:11,190 INFO L226 Difference]: Without dead ends: 73 [2020-11-28 07:30:11,193 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 07:30:11,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-11-28 07:30:11,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2020-11-28 07:30:11,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-11-28 07:30:11,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2020-11-28 07:30:11,230 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 16 [2020-11-28 07:30:11,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:30:11,230 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2020-11-28 07:30:11,230 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 07:30:11,230 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2020-11-28 07:30:11,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 07:30:11,231 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:30:11,232 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:30:11,451 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-28 07:30:11,451 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:30:11,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:30:11,452 INFO L82 PathProgramCache]: Analyzing trace with hash -954875502, now seen corresponding path program 1 times [2020-11-28 07:30:11,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:30:11,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1829033702] [2020-11-28 07:30:11,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ed2bf7d0-daea-4943-b1b1-474611e1f9ab/bin/utaipan/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 [2020-11-28 07:30:11,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:30:11,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 07:30:11,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:30:11,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:30:11,763 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:30:11,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:30:11,782 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1829033702] [2020-11-28 07:30:11,782 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:30:11,783 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-28 07:30:11,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676057350] [2020-11-28 07:30:11,784 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 07:30:11,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:30:11,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 07:30:11,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 07:30:11,785 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 4 states. [2020-11-28 07:30:11,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:30:11,803 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2020-11-28 07:30:11,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 07:30:11,804 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-11-28 07:30:11,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:30:11,805 INFO L225 Difference]: With dead ends: 73 [2020-11-28 07:30:11,805 INFO L226 Difference]: Without dead ends: 35 [2020-11-28 07:30:11,806 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 07:30:11,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-11-28 07:30:11,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-11-28 07:30:11,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-11-28 07:30:11,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2020-11-28 07:30:11,811 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 17 [2020-11-28 07:30:11,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:30:11,811 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2020-11-28 07:30:11,812 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 07:30:11,812 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-11-28 07:30:11,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 07:30:11,813 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:30:11,813 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] [2020-11-28 07:30:12,025 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-28 07:30:12,026 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:30:12,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:30:12,027 INFO L82 PathProgramCache]: Analyzing trace with hash -1451070739, now seen corresponding path program 1 times [2020-11-28 07:30:12,027 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:30:12,028 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1911736889] [2020-11-28 07:30:12,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ed2bf7d0-daea-4943-b1b1-474611e1f9ab/bin/utaipan/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 [2020-11-28 07:30:12,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:30:12,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 07:30:12,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:30:12,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:30:12,276 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:30:12,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:30:12,295 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1911736889] [2020-11-28 07:30:12,295 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:30:12,295 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2020-11-28 07:30:12,295 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903866717] [2020-11-28 07:30:12,296 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 07:30:12,296 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:30:12,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 07:30:12,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 07:30:12,297 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 4 states. [2020-11-28 07:30:12,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:30:12,351 INFO L93 Difference]: Finished difference Result 116 states and 169 transitions. [2020-11-28 07:30:12,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 07:30:12,351 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-11-28 07:30:12,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:30:12,353 INFO L225 Difference]: With dead ends: 116 [2020-11-28 07:30:12,353 INFO L226 Difference]: Without dead ends: 87 [2020-11-28 07:30:12,354 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 07:30:12,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-11-28 07:30:12,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 54. [2020-11-28 07:30:12,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-11-28 07:30:12,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 78 transitions. [2020-11-28 07:30:12,364 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 78 transitions. Word has length 22 [2020-11-28 07:30:12,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:30:12,365 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 78 transitions. [2020-11-28 07:30:12,365 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 07:30:12,365 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2020-11-28 07:30:12,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 07:30:12,366 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:30:12,366 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] [2020-11-28 07:30:12,581 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-28 07:30:12,582 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:30:12,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:30:12,582 INFO L82 PathProgramCache]: Analyzing trace with hash 1281905457, now seen corresponding path program 1 times [2020-11-28 07:30:12,583 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:30:12,583 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [167951476] [2020-11-28 07:30:12,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ed2bf7d0-daea-4943-b1b1-474611e1f9ab/bin/utaipan/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 [2020-11-28 07:30:12,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:30:12,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 07:30:12,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:30:12,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:30:12,826 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:30:12,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:30:12,840 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [167951476] [2020-11-28 07:30:12,840 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:30:12,840 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-28 07:30:12,841 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210549999] [2020-11-28 07:30:12,841 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 07:30:12,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:30:12,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 07:30:12,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 07:30:12,843 INFO L87 Difference]: Start difference. First operand 54 states and 78 transitions. Second operand 5 states. [2020-11-28 07:30:12,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:30:12,992 INFO L93 Difference]: Finished difference Result 256 states and 391 transitions. [2020-11-28 07:30:12,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-28 07:30:12,993 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-11-28 07:30:12,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:30:12,995 INFO L225 Difference]: With dead ends: 256 [2020-11-28 07:30:12,995 INFO L226 Difference]: Without dead ends: 208 [2020-11-28 07:30:12,996 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-28 07:30:12,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2020-11-28 07:30:13,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 96. [2020-11-28 07:30:13,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-11-28 07:30:13,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 139 transitions. [2020-11-28 07:30:13,039 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 139 transitions. Word has length 23 [2020-11-28 07:30:13,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:30:13,040 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 139 transitions. [2020-11-28 07:30:13,040 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 07:30:13,040 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 139 transitions. [2020-11-28 07:30:13,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 07:30:13,042 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:30:13,042 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] [2020-11-28 07:30:13,264 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-28 07:30:13,265 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:30:13,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:30:13,265 INFO L82 PathProgramCache]: Analyzing trace with hash -1060203461, now seen corresponding path program 1 times [2020-11-28 07:30:13,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:30:13,267 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1124326743] [2020-11-28 07:30:13,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ed2bf7d0-daea-4943-b1b1-474611e1f9ab/bin/utaipan/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 [2020-11-28 07:30:13,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:30:13,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 07:30:13,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:30:13,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:30:13,493 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:30:13,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:30:13,497 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1124326743] [2020-11-28 07:30:13,497 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:30:13,497 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-28 07:30:13,497 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042486695] [2020-11-28 07:30:13,497 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 07:30:13,497 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:30:13,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 07:30:13,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 07:30:13,498 INFO L87 Difference]: Start difference. First operand 96 states and 139 transitions. Second operand 5 states. [2020-11-28 07:30:13,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:30:13,633 INFO L93 Difference]: Finished difference Result 286 states and 425 transitions. [2020-11-28 07:30:13,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 07:30:13,639 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-11-28 07:30:13,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:30:13,639 INFO L225 Difference]: With dead ends: 286 [2020-11-28 07:30:13,639 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 07:30:13,641 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-28 07:30:13,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 07:30:13,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 07:30:13,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 07:30:13,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 07:30:13,641 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-11-28 07:30:13,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:30:13,642 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 07:30:13,642 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 07:30:13,642 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 07:30:13,642 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 07:30:13,852 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-28 07:30:13,854 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 07:30:14,334 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:30:14,335 INFO L274 CegarLoopResult]: For program point L102(lines 102 106) no Hoare annotation was computed. [2020-11-28 07:30:14,335 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 07:30:14,335 INFO L274 CegarLoopResult]: For program point L102-3(lines 102 106) no Hoare annotation was computed. [2020-11-28 07:30:14,335 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 07:30:14,335 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-28 07:30:14,335 INFO L274 CegarLoopResult]: For program point L102-6(lines 102 106) no Hoare annotation was computed. [2020-11-28 07:30:14,335 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 07:30:14,335 INFO L270 CegarLoopResult]: At program point L912(lines 897 915) the Hoare annotation is: false [2020-11-28 07:30:14,335 INFO L270 CegarLoopResult]: At program point L912-1(lines 897 915) the Hoare annotation is: false [2020-11-28 07:30:14,336 INFO L270 CegarLoopResult]: At program point L912-2(lines 897 915) the Hoare annotation is: false [2020-11-28 07:30:14,336 INFO L274 CegarLoopResult]: For program point L698(lines 698 704) no Hoare annotation was computed. [2020-11-28 07:30:14,336 INFO L270 CegarLoopResult]: At program point L698-1(lines 698 704) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-28 07:30:14,336 INFO L270 CegarLoopResult]: At program point L139(lines 134 142) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-28 07:30:14,336 INFO L270 CegarLoopResult]: At program point L139-1(lines 134 142) the Hoare annotation is: false [2020-11-28 07:30:14,336 INFO L270 CegarLoopResult]: At program point L139-2(lines 134 142) the Hoare annotation is: false [2020-11-28 07:30:14,336 INFO L274 CegarLoopResult]: For program point L718(lines 718 731) no Hoare annotation was computed. [2020-11-28 07:30:14,336 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 07:30:14,336 INFO L277 CegarLoopResult]: At program point L306(lines 287 309) the Hoare annotation is: true [2020-11-28 07:30:14,337 INFO L270 CegarLoopResult]: At program point L273(lines 269 275) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:30:14,337 INFO L270 CegarLoopResult]: At program point L75(lines 70 78) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:30:14,337 INFO L270 CegarLoopResult]: At program point L736(lines 687 737) the Hoare annotation is: false [2020-11-28 07:30:14,337 INFO L270 CegarLoopResult]: At program point L224-2(lines 224 238) the Hoare annotation is: false [2020-11-28 07:30:14,337 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:30:14,337 INFO L274 CegarLoopResult]: For program point L786(lines 786 803) no Hoare annotation was computed. [2020-11-28 07:30:14,338 INFO L274 CegarLoopResult]: For program point L786-1(lines 786 803) no Hoare annotation was computed. [2020-11-28 07:30:14,338 INFO L274 CegarLoopResult]: For program point L786-2(lines 786 803) no Hoare annotation was computed. [2020-11-28 07:30:14,339 INFO L274 CegarLoopResult]: For program point L225(line 225) no Hoare annotation was computed. [2020-11-28 07:30:14,339 INFO L274 CegarLoopResult]: For program point L126(lines 126 130) no Hoare annotation was computed. [2020-11-28 07:30:14,339 INFO L270 CegarLoopResult]: At program point L754(lines 753 772) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-28 07:30:14,339 INFO L274 CegarLoopResult]: For program point L754-1(lines 754 760) no Hoare annotation was computed. [2020-11-28 07:30:14,339 INFO L270 CegarLoopResult]: At program point L754-2(lines 753 772) the Hoare annotation is: false [2020-11-28 07:30:14,339 INFO L270 CegarLoopResult]: At program point L754-3(lines 753 772) the Hoare annotation is: false [2020-11-28 07:30:14,339 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 07:30:14,339 INFO L274 CegarLoopResult]: For program point L920(lines 920 926) no Hoare annotation was computed. [2020-11-28 07:30:14,340 INFO L270 CegarLoopResult]: At program point L920-1(lines 920 926) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-28 07:30:14,340 INFO L274 CegarLoopResult]: For program point L689(lines 688 735) no Hoare annotation was computed. [2020-11-28 07:30:14,340 INFO L274 CegarLoopResult]: For program point L194(lines 194 207) no Hoare annotation was computed. [2020-11-28 07:30:14,340 INFO L270 CegarLoopResult]: At program point L194-1(lines 1 930) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-28 07:30:14,340 INFO L274 CegarLoopResult]: For program point L194-2(lines 194 207) no Hoare annotation was computed. [2020-11-28 07:30:14,340 INFO L270 CegarLoopResult]: At program point L194-3(lines 1 930) the Hoare annotation is: false [2020-11-28 07:30:14,340 INFO L274 CegarLoopResult]: For program point L194-4(lines 194 207) no Hoare annotation was computed. [2020-11-28 07:30:14,340 INFO L270 CegarLoopResult]: At program point L194-5(lines 1 930) the Hoare annotation is: false [2020-11-28 07:30:14,340 INFO L274 CegarLoopResult]: For program point L690(lines 690 694) no Hoare annotation was computed. [2020-11-28 07:30:14,340 INFO L274 CegarLoopResult]: For program point L228(lines 228 232) no Hoare annotation was computed. [2020-11-28 07:30:14,341 INFO L274 CegarLoopResult]: For program point L228-1(lines 754 760) no Hoare annotation was computed. [2020-11-28 07:30:14,341 INFO L274 CegarLoopResult]: For program point L790(lines 790 798) no Hoare annotation was computed. [2020-11-28 07:30:14,341 INFO L274 CegarLoopResult]: For program point L790-1(lines 790 798) no Hoare annotation was computed. [2020-11-28 07:30:14,341 INFO L274 CegarLoopResult]: For program point L724(lines 724 730) no Hoare annotation was computed. [2020-11-28 07:30:14,341 INFO L274 CegarLoopResult]: For program point L790-2(lines 790 798) no Hoare annotation was computed. [2020-11-28 07:30:14,341 INFO L270 CegarLoopResult]: At program point L724-1(lines 754 760) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-28 07:30:14,341 INFO L274 CegarLoopResult]: For program point L906(lines 906 910) no Hoare annotation was computed. [2020-11-28 07:30:14,346 INFO L274 CegarLoopResult]: For program point L906-2(lines 906 910) no Hoare annotation was computed. [2020-11-28 07:30:14,346 INFO L274 CegarLoopResult]: For program point L906-3(lines 906 910) no Hoare annotation was computed. [2020-11-28 07:30:14,347 INFO L274 CegarLoopResult]: For program point L906-5(lines 906 910) no Hoare annotation was computed. [2020-11-28 07:30:14,347 INFO L274 CegarLoopResult]: For program point L708(lines 708 714) no Hoare annotation was computed. [2020-11-28 07:30:14,347 INFO L274 CegarLoopResult]: For program point L906-6(lines 906 910) no Hoare annotation was computed. [2020-11-28 07:30:14,347 INFO L270 CegarLoopResult]: At program point L708-1(lines 708 714) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-28 07:30:14,347 INFO L274 CegarLoopResult]: For program point L906-8(lines 906 910) no Hoare annotation was computed. [2020-11-28 07:30:14,347 INFO L270 CegarLoopResult]: At program point L857(lines 852 860) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-28 07:30:14,348 INFO L270 CegarLoopResult]: At program point L857-1(lines 852 860) the Hoare annotation is: false [2020-11-28 07:30:14,358 INFO L270 CegarLoopResult]: At program point L857-2(lines 852 860) the Hoare annotation is: false [2020-11-28 07:30:14,358 INFO L270 CegarLoopResult]: At program point L180(lines 175 183) the Hoare annotation is: false [2020-11-28 07:30:14,358 INFO L270 CegarLoopResult]: At program point L180-1(lines 175 183) the Hoare annotation is: false [2020-11-28 07:30:14,358 INFO L274 CegarLoopResult]: For program point L114(lines 114 118) no Hoare annotation was computed. [2020-11-28 07:30:14,358 INFO L270 CegarLoopResult]: At program point L180-2(lines 175 183) the Hoare annotation is: false [2020-11-28 07:30:14,358 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 07:30:14,359 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:30:14,360 INFO L274 CegarLoopResult]: For program point L297(lines 297 304) no Hoare annotation was computed. [2020-11-28 07:30:14,360 INFO L277 CegarLoopResult]: At program point L297-1(lines 297 304) the Hoare annotation is: true [2020-11-28 07:30:14,360 INFO L274 CegarLoopResult]: For program point L198(lines 198 204) no Hoare annotation was computed. [2020-11-28 07:30:14,360 INFO L274 CegarLoopResult]: For program point L198-2(lines 198 204) no Hoare annotation was computed. [2020-11-28 07:30:14,361 INFO L274 CegarLoopResult]: For program point L198-4(lines 198 204) no Hoare annotation was computed. [2020-11-28 07:30:14,361 INFO L270 CegarLoopResult]: At program point L67(lines 1 930) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:30:14,361 INFO L270 CegarLoopResult]: At program point L761(lines 761 767) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-28 07:30:14,361 INFO L270 CegarLoopResult]: At program point L761-1(lines 761 767) the Hoare annotation is: false [2020-11-28 07:30:14,362 INFO L270 CegarLoopResult]: At program point L761-2(lines 761 767) the Hoare annotation is: false [2020-11-28 07:30:14,362 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-11-28 07:30:14,363 INFO L274 CegarLoopResult]: For program point L84-1(line 84) no Hoare annotation was computed. [2020-11-28 07:30:14,364 INFO L274 CegarLoopResult]: For program point L84-2(line 84) no Hoare annotation was computed. [2020-11-28 07:30:14,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 07:30:14 BoogieIcfgContainer [2020-11-28 07:30:14,386 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 07:30:14,387 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 07:30:14,387 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 07:30:14,387 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 07:30:14,388 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:30:10" (3/4) ... [2020-11-28 07:30:14,391 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 07:30:14,412 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-28 07:30:14,413 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 07:30:14,414 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 07:30:14,414 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 07:30:14,415 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 07:30:14,416 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 07:30:14,416 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 07:30:14,448 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2020-11-28 07:30:14,513 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ed2bf7d0-daea-4943-b1b1-474611e1f9ab/bin/utaipan/witness.graphml [2020-11-28 07:30:14,513 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 07:30:14,515 INFO L168 Benchmark]: Toolchain (without parser) took 6909.15 ms. Allocated memory was 56.6 MB in the beginning and 83.9 MB in the end (delta: 27.3 MB). Free memory was 34.8 MB in the beginning and 56.0 MB in the end (delta: -21.2 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. [2020-11-28 07:30:14,515 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 56.6 MB. Free memory was 38.6 MB in the beginning and 38.5 MB in the end (delta: 43.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:30:14,516 INFO L168 Benchmark]: CACSL2BoogieTranslator took 720.10 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 34.6 MB in the beginning and 50.4 MB in the end (delta: -15.8 MB). Peak memory consumption was 13.2 MB. Max. memory is 16.1 GB. [2020-11-28 07:30:14,517 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.42 ms. Allocated memory is still 69.2 MB. Free memory was 50.4 MB in the beginning and 47.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 07:30:14,517 INFO L168 Benchmark]: Boogie Preprocessor took 73.72 ms. Allocated memory is still 69.2 MB. Free memory was 47.5 MB in the beginning and 45.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:30:14,517 INFO L168 Benchmark]: RCFGBuilder took 2221.26 ms. Allocated memory is still 69.2 MB. Free memory was 45.1 MB in the beginning and 33.8 MB in the end (delta: 11.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 16.1 GB. [2020-11-28 07:30:14,518 INFO L168 Benchmark]: TraceAbstraction took 3657.42 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 33.3 MB in the beginning and 62.9 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.4 MB. Max. memory is 16.1 GB. [2020-11-28 07:30:14,518 INFO L168 Benchmark]: Witness Printer took 126.28 ms. Allocated memory is still 83.9 MB. Free memory was 62.9 MB in the beginning and 56.0 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 07:30:14,521 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 56.6 MB. Free memory was 38.6 MB in the beginning and 38.5 MB in the end (delta: 43.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 720.10 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 34.6 MB in the beginning and 50.4 MB in the end (delta: -15.8 MB). Peak memory consumption was 13.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 103.42 ms. Allocated memory is still 69.2 MB. Free memory was 50.4 MB in the beginning and 47.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 73.72 ms. Allocated memory is still 69.2 MB. Free memory was 47.5 MB in the beginning and 45.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2221.26 ms. Allocated memory is still 69.2 MB. Free memory was 45.1 MB in the beginning and 33.8 MB in the end (delta: 11.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3657.42 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 33.3 MB in the beginning and 62.9 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.4 MB. Max. memory is 16.1 GB. * Witness Printer took 126.28 ms. Allocated memory is still 83.9 MB. Free memory was 62.9 MB in the beginning and 56.0 MB in the end (delta: 6.9 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: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 269]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 287]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 80 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: 333 SDtfs, 427 SDslu, 396 SDs, 0 SdLazy, 50 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 202 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 145 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 118 NumberOfFragments, 122 HoareAnnotationTreeSize, 32 FomulaSimplifications, 3987 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 194 ConstructedInterpolants, 0 QuantifiedInterpolants, 8519 SizeOfPredicates, 8 NumberOfNonLiveVariables, 973 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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...