./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product07.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_040563ab-9dbf-4629-9abf-51ec8037a96a/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_040563ab-9dbf-4629-9abf-51ec8037a96a/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_040563ab-9dbf-4629-9abf-51ec8037a96a/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_040563ab-9dbf-4629-9abf-51ec8037a96a/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product07.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_040563ab-9dbf-4629-9abf-51ec8037a96a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_040563ab-9dbf-4629-9abf-51ec8037a96a/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 29f60ab23b0720fb228075ebf2c9266e59f8b9dd ............................................................................................................................................ 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_040563ab-9dbf-4629-9abf-51ec8037a96a/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_040563ab-9dbf-4629-9abf-51ec8037a96a/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_040563ab-9dbf-4629-9abf-51ec8037a96a/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_040563ab-9dbf-4629-9abf-51ec8037a96a/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product07.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_040563ab-9dbf-4629-9abf-51ec8037a96a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_040563ab-9dbf-4629-9abf-51ec8037a96a/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 29f60ab23b0720fb228075ebf2c9266e59f8b9dd ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:05:36,935 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:05:36,938 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:05:36,986 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:05:36,986 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:05:36,988 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:05:37,002 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:05:37,006 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:05:37,013 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:05:37,015 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:05:37,016 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:05:37,019 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:05:37,020 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:05:37,027 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:05:37,029 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:05:37,031 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:05:37,035 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:05:37,037 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:05:37,040 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:05:37,043 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:05:37,050 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:05:37,051 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:05:37,052 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:05:37,053 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:05:37,057 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:05:37,057 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:05:37,058 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:05:37,059 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:05:37,059 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:05:37,061 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:05:37,061 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:05:37,062 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:05:37,063 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:05:37,064 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:05:37,065 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:05:37,066 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:05:37,066 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:05:37,067 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:05:37,067 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:05:37,068 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:05:37,068 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:05:37,072 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_040563ab-9dbf-4629-9abf-51ec8037a96a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 13:05:37,114 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:05:37,121 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:05:37,123 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:05:37,123 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:05:37,124 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:05:37,124 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:05:37,124 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:05:37,125 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:05:37,125 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:05:37,125 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:05:37,126 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:05:37,127 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:05:37,127 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:05:37,127 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:05:37,127 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:05:37,133 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:05:37,133 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:05:37,133 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:05:37,133 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:05:37,133 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:05:37,134 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:05:37,134 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:05:37,134 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:05:37,134 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:05:37,134 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:05:37,134 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:05:37,134 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:05:37,134 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:05:37,135 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:05:37,135 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:05:37,135 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:05:37,135 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:05:37,135 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:05:37,136 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:05:37,136 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:05:37,136 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:05:37,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:05:37,136 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:05:37,137 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:05:37,137 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:05:37,137 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_040563ab-9dbf-4629-9abf-51ec8037a96a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_040563ab-9dbf-4629-9abf-51ec8037a96a/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29f60ab23b0720fb228075ebf2c9266e59f8b9dd [2020-11-22 13:05:37,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:05:37,421 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:05:37,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:05:37,425 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:05:37,426 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:05:37,427 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_040563ab-9dbf-4629-9abf-51ec8037a96a/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product07.cil.c [2020-11-22 13:05:37,512 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_040563ab-9dbf-4629-9abf-51ec8037a96a/bin/utaipan/data/7cfaeedef/cec434c6055a452c96ac1a95b0e22540/FLAG211089248 [2020-11-22 13:05:37,945 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:05:37,946 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_040563ab-9dbf-4629-9abf-51ec8037a96a/sv-benchmarks/c/product-lines/minepump_spec1_product07.cil.c [2020-11-22 13:05:37,965 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_040563ab-9dbf-4629-9abf-51ec8037a96a/bin/utaipan/data/7cfaeedef/cec434c6055a452c96ac1a95b0e22540/FLAG211089248 [2020-11-22 13:05:38,294 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_040563ab-9dbf-4629-9abf-51ec8037a96a/bin/utaipan/data/7cfaeedef/cec434c6055a452c96ac1a95b0e22540 [2020-11-22 13:05:38,296 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:05:38,297 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:05:38,303 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:05:38,304 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:05:38,307 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:05:38,308 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:05:38" (1/1) ... [2020-11-22 13:05:38,311 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@627c45a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:38, skipping insertion in model container [2020-11-22 13:05:38,316 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:05:38" (1/1) ... [2020-11-22 13:05:38,323 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:05:38,372 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:05:38,649 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:05:38,659 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) [2020-11-22 13:05:38,659 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@38a8bf18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:38, skipping insertion in model container [2020-11-22 13:05:38,660 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:05:38,660 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 13:05:38,662 INFO L168 Benchmark]: Toolchain (without parser) took 363.24 ms. Allocated memory is still 88.1 MB. Free memory was 55.0 MB in the beginning and 63.1 MB in the end (delta: -8.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:38,663 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 88.1 MB. Free memory was 62.6 MB in the beginning and 62.5 MB in the end (delta: 27.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:05:38,664 INFO L168 Benchmark]: CACSL2BoogieTranslator took 356.99 ms. Allocated memory is still 88.1 MB. Free memory was 54.8 MB in the beginning and 63.4 MB in the end (delta: -8.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:38,665 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 88.1 MB. Free memory was 62.6 MB in the beginning and 62.5 MB in the end (delta: 27.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 356.99 ms. Allocated memory is still 88.1 MB. Free memory was 54.8 MB in the beginning and 63.4 MB in the end (delta: -8.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 548]: 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 [2020-11-22 13:05:40,810 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:05:40,814 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:05:40,867 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:05:40,868 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:05:40,874 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:05:40,876 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:05:40,881 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:05:40,884 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:05:40,891 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:05:40,893 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:05:40,898 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:05:40,899 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:05:40,914 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:05:40,916 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:05:40,918 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:05:40,919 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:05:40,923 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:05:40,925 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:05:40,930 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:05:40,935 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:05:40,936 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:05:40,940 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:05:40,942 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:05:40,947 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:05:40,948 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:05:40,948 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:05:40,950 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:05:40,950 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:05:40,952 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:05:40,952 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:05:40,953 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:05:40,954 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:05:40,955 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:05:40,956 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:05:40,956 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:05:40,957 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:05:40,957 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:05:40,958 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:05:40,959 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:05:40,960 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:05:40,961 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_040563ab-9dbf-4629-9abf-51ec8037a96a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 13:05:41,001 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:05:41,002 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:05:41,004 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:05:41,004 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:05:41,004 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:05:41,004 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:05:41,005 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:05:41,005 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:05:41,005 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:05:41,006 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:05:41,007 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:05:41,007 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:05:41,008 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:05:41,008 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:05:41,008 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:05:41,008 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:05:41,008 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:05:41,009 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 13:05:41,009 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 13:05:41,009 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:05:41,009 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:05:41,010 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:05:41,010 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:05:41,010 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:05:41,010 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 13:05:41,011 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:05:41,011 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:05:41,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:05:41,011 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:05:41,011 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:05:41,012 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:05:41,012 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 13:05:41,012 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 13:05:41,012 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:05:41,013 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:05:41,013 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:05:41,013 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_040563ab-9dbf-4629-9abf-51ec8037a96a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_040563ab-9dbf-4629-9abf-51ec8037a96a/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29f60ab23b0720fb228075ebf2c9266e59f8b9dd [2020-11-22 13:05:41,350 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:05:41,383 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:05:41,386 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:05:41,387 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:05:41,390 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:05:41,391 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_040563ab-9dbf-4629-9abf-51ec8037a96a/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product07.cil.c [2020-11-22 13:05:41,461 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_040563ab-9dbf-4629-9abf-51ec8037a96a/bin/utaipan/data/77bdbbc1e/5eef49e6564246ffb25290970e3afe27/FLAG2c8f1e6d3 [2020-11-22 13:05:42,012 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:05:42,012 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_040563ab-9dbf-4629-9abf-51ec8037a96a/sv-benchmarks/c/product-lines/minepump_spec1_product07.cil.c [2020-11-22 13:05:42,039 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_040563ab-9dbf-4629-9abf-51ec8037a96a/bin/utaipan/data/77bdbbc1e/5eef49e6564246ffb25290970e3afe27/FLAG2c8f1e6d3 [2020-11-22 13:05:42,303 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_040563ab-9dbf-4629-9abf-51ec8037a96a/bin/utaipan/data/77bdbbc1e/5eef49e6564246ffb25290970e3afe27 [2020-11-22 13:05:42,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:05:42,307 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:05:42,308 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:05:42,308 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:05:42,312 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:05:42,312 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:05:42" (1/1) ... [2020-11-22 13:05:42,314 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9f56676 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:42, skipping insertion in model container [2020-11-22 13:05:42,314 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:05:42" (1/1) ... [2020-11-22 13:05:42,323 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:05:42,360 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:05:42,599 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:05:42,612 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-22 13:05:42,623 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:05:42,757 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:05:42,773 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 13:05:42,874 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:05:42,918 INFO L208 MainTranslator]: Completed translation [2020-11-22 13:05:42,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:42 WrapperNode [2020-11-22 13:05:42,920 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:05:42,921 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 13:05:42,922 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 13:05:42,922 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 13:05:42,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:42" (1/1) ... [2020-11-22 13:05:42,962 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:42" (1/1) ... [2020-11-22 13:05:43,007 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 13:05:43,011 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 13:05:43,012 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 13:05:43,012 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 13:05:43,020 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:42" (1/1) ... [2020-11-22 13:05:43,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:42" (1/1) ... [2020-11-22 13:05:43,039 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:42" (1/1) ... [2020-11-22 13:05:43,042 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:42" (1/1) ... [2020-11-22 13:05:43,051 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:42" (1/1) ... [2020-11-22 13:05:43,070 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:42" (1/1) ... [2020-11-22 13:05:43,075 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:42" (1/1) ... [2020-11-22 13:05:43,082 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 13:05:43,085 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 13:05:43,086 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 13:05:43,086 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 13:05:43,087 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_040563ab-9dbf-4629-9abf-51ec8037a96a/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 [2020-11-22 13:05:43,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 13:05:43,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 13:05:43,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 13:05:43,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 13:05:45,406 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 13:05:45,406 INFO L298 CfgBuilder]: Removed 106 assume(true) statements. [2020-11-22 13:05:45,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:05:45 BoogieIcfgContainer [2020-11-22 13:05:45,408 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 13:05:45,410 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 13:05:45,410 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 13:05:45,413 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 13:05:45,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:05:42" (1/3) ... [2020-11-22 13:05:45,415 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15c5bc7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:05:45, skipping insertion in model container [2020-11-22 13:05:45,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:42" (2/3) ... [2020-11-22 13:05:45,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15c5bc7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:05:45, skipping insertion in model container [2020-11-22 13:05:45,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:05:45" (3/3) ... [2020-11-22 13:05:45,417 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product07.cil.c [2020-11-22 13:05:45,431 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 13:05:45,435 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-22 13:05:45,446 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-22 13:05:45,468 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 13:05:45,469 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 13:05:45,469 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 13:05:45,469 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 13:05:45,469 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 13:05:45,469 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 13:05:45,470 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 13:05:45,470 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 13:05:45,483 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states. [2020-11-22 13:05:45,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-22 13:05:45,488 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:05:45,489 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:05:45,489 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:05:45,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:05:45,495 INFO L82 PathProgramCache]: Analyzing trace with hash 590072261, now seen corresponding path program 1 times [2020-11-22 13:05:45,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:05:45,508 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [381500991] [2020-11-22 13:05:45,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_040563ab-9dbf-4629-9abf-51ec8037a96a/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 [2020-11-22 13:05:45,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:05:45,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 13:05:45,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:05:45,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:45,862 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:05:45,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:45,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [381500991] [2020-11-22 13:05:45,880 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:05:45,880 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 13:05:45,881 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686392416] [2020-11-22 13:05:45,885 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 13:05:45,886 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:05:45,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 13:05:45,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:05:45,897 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 2 states. [2020-11-22 13:05:45,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:05:45,921 INFO L93 Difference]: Finished difference Result 139 states and 206 transitions. [2020-11-22 13:05:45,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 13:05:45,922 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-22 13:05:45,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:05:45,932 INFO L225 Difference]: With dead ends: 139 [2020-11-22 13:05:45,932 INFO L226 Difference]: Without dead ends: 67 [2020-11-22 13:05:45,935 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 [2020-11-22 13:05:45,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-11-22 13:05:45,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2020-11-22 13:05:45,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-11-22 13:05:45,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 93 transitions. [2020-11-22 13:05:45,997 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 93 transitions. Word has length 16 [2020-11-22 13:05:45,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:05:45,997 INFO L481 AbstractCegarLoop]: Abstraction has 67 states and 93 transitions. [2020-11-22 13:05:45,998 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 13:05:45,998 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2020-11-22 13:05:45,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-22 13:05:45,999 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:05:46,000 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:05:46,222 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 13:05:46,223 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:05:46,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:05:46,223 INFO L82 PathProgramCache]: Analyzing trace with hash -456684636, now seen corresponding path program 1 times [2020-11-22 13:05:46,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:05:46,224 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1325196837] [2020-11-22 13:05:46,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_040563ab-9dbf-4629-9abf-51ec8037a96a/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 [2020-11-22 13:05:46,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:05:46,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:05:46,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:05:46,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:46,445 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:05:46,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:46,463 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1325196837] [2020-11-22 13:05:46,463 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:05:46,463 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 13:05:46,463 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349012101] [2020-11-22 13:05:46,464 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:05:46,464 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:05:46,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:05:46,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:05:46,469 INFO L87 Difference]: Start difference. First operand 67 states and 93 transitions. Second operand 4 states. [2020-11-22 13:05:46,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:05:46,492 INFO L93 Difference]: Finished difference Result 67 states and 93 transitions. [2020-11-22 13:05:46,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:05:46,493 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-11-22 13:05:46,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:05:46,494 INFO L225 Difference]: With dead ends: 67 [2020-11-22 13:05:46,494 INFO L226 Difference]: Without dead ends: 33 [2020-11-22 13:05:46,495 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:05:46,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-11-22 13:05:46,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-11-22 13:05:46,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-11-22 13:05:46,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2020-11-22 13:05:46,500 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2020-11-22 13:05:46,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:05:46,500 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2020-11-22 13:05:46,500 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:05:46,501 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-11-22 13:05:46,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-22 13:05:46,502 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:05:46,502 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] [2020-11-22 13:05:46,718 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 13:05:46,718 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:05:46,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:05:46,719 INFO L82 PathProgramCache]: Analyzing trace with hash 719253894, now seen corresponding path program 1 times [2020-11-22 13:05:46,719 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:05:46,719 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2089717904] [2020-11-22 13:05:46,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_040563ab-9dbf-4629-9abf-51ec8037a96a/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 [2020-11-22 13:05:46,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:05:46,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:05:46,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:05:46,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:46,967 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:05:46,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:46,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2089717904] [2020-11-22 13:05:46,983 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:05:46,983 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2020-11-22 13:05:46,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469013326] [2020-11-22 13:05:46,984 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:05:46,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:05:46,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:05:46,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:05:46,985 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 4 states. [2020-11-22 13:05:47,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:05:47,021 INFO L93 Difference]: Finished difference Result 110 states and 160 transitions. [2020-11-22 13:05:47,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-22 13:05:47,023 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-11-22 13:05:47,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:05:47,024 INFO L225 Difference]: With dead ends: 110 [2020-11-22 13:05:47,024 INFO L226 Difference]: Without dead ends: 83 [2020-11-22 13:05:47,025 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 [2020-11-22 13:05:47,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-11-22 13:05:47,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 52. [2020-11-22 13:05:47,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-11-22 13:05:47,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2020-11-22 13:05:47,036 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 22 [2020-11-22 13:05:47,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:05:47,039 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2020-11-22 13:05:47,039 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:05:47,039 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2020-11-22 13:05:47,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-22 13:05:47,040 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:05:47,040 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:05:47,256 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 13:05:47,256 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:05:47,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:05:47,257 INFO L82 PathProgramCache]: Analyzing trace with hash -842737206, now seen corresponding path program 1 times [2020-11-22 13:05:47,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:05:47,258 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [50212460] [2020-11-22 13:05:47,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_040563ab-9dbf-4629-9abf-51ec8037a96a/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 [2020-11-22 13:05:47,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:05:47,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:05:47,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:05:47,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:47,473 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:05:47,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:47,485 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [50212460] [2020-11-22 13:05:47,485 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:05:47,485 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-22 13:05:47,486 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96268593] [2020-11-22 13:05:47,486 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:05:47,486 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:05:47,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:05:47,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 13:05:47,487 INFO L87 Difference]: Start difference. First operand 52 states and 75 transitions. Second operand 5 states. [2020-11-22 13:05:47,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:05:47,622 INFO L93 Difference]: Finished difference Result 237 states and 363 transitions. [2020-11-22 13:05:47,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-22 13:05:47,623 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-11-22 13:05:47,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:05:47,625 INFO L225 Difference]: With dead ends: 237 [2020-11-22 13:05:47,625 INFO L226 Difference]: Without dead ends: 191 [2020-11-22 13:05:47,626 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 [2020-11-22 13:05:47,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2020-11-22 13:05:47,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 92. [2020-11-22 13:05:47,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-11-22 13:05:47,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 133 transitions. [2020-11-22 13:05:47,655 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 133 transitions. Word has length 23 [2020-11-22 13:05:47,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:05:47,655 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 133 transitions. [2020-11-22 13:05:47,655 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:05:47,656 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 133 transitions. [2020-11-22 13:05:47,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-22 13:05:47,657 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:05:47,657 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] [2020-11-22 13:05:47,876 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 13:05:47,877 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:05:47,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:05:47,877 INFO L82 PathProgramCache]: Analyzing trace with hash 1110121172, now seen corresponding path program 1 times [2020-11-22 13:05:47,878 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:05:47,878 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [28745153] [2020-11-22 13:05:47,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_040563ab-9dbf-4629-9abf-51ec8037a96a/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 [2020-11-22 13:05:48,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:05:48,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:05:48,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:05:48,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:48,100 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:05:48,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:48,106 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [28745153] [2020-11-22 13:05:48,106 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:05:48,106 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-22 13:05:48,106 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271225453] [2020-11-22 13:05:48,107 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:05:48,107 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:05:48,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:05:48,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 13:05:48,108 INFO L87 Difference]: Start difference. First operand 92 states and 133 transitions. Second operand 5 states. [2020-11-22 13:05:48,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:05:48,207 INFO L93 Difference]: Finished difference Result 282 states and 419 transitions. [2020-11-22 13:05:48,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 13:05:48,208 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-11-22 13:05:48,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:05:48,208 INFO L225 Difference]: With dead ends: 282 [2020-11-22 13:05:48,208 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 13:05:48,210 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-22 13:05:48,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 13:05:48,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 13:05:48,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 13:05:48,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 13:05:48,210 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-11-22 13:05:48,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:05:48,211 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 13:05:48,211 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:05:48,211 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 13:05:48,211 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 13:05:48,423 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-22 13:05:48,424 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 13:05:48,828 INFO L274 CegarLoopResult]: For program point L349(lines 349 355) no Hoare annotation was computed. [2020-11-22 13:05:48,828 INFO L270 CegarLoopResult]: At program point L349-1(lines 349 355) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:05:48,828 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:05:48,828 INFO L270 CegarLoopResult]: At program point L184(lines 184 190) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:05:48,829 INFO L270 CegarLoopResult]: At program point L184-1(lines 184 190) the Hoare annotation is: false [2020-11-22 13:05:48,829 INFO L270 CegarLoopResult]: At program point L184-2(lines 184 190) the Hoare annotation is: false [2020-11-22 13:05:48,829 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-22 13:05:48,829 INFO L277 CegarLoopResult]: At program point L515(lines 496 518) the Hoare annotation is: true [2020-11-22 13:05:48,829 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-22 13:05:48,829 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-22 13:05:48,829 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 13:05:48,829 INFO L270 CegarLoopResult]: At program point L483(lines 479 485) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:05:48,829 INFO L274 CegarLoopResult]: For program point L54(lines 54 58) no Hoare annotation was computed. [2020-11-22 13:05:48,829 INFO L274 CegarLoopResult]: For program point L54-3(lines 54 58) no Hoare annotation was computed. [2020-11-22 13:05:48,830 INFO L274 CegarLoopResult]: For program point L54-6(lines 54 58) no Hoare annotation was computed. [2020-11-22 13:05:48,830 INFO L270 CegarLoopResult]: At program point L253(lines 246 256) the Hoare annotation is: false [2020-11-22 13:05:48,830 INFO L270 CegarLoopResult]: At program point L253-1(lines 246 256) the Hoare annotation is: false [2020-11-22 13:05:48,830 INFO L270 CegarLoopResult]: At program point L253-2(lines 246 256) the Hoare annotation is: false [2020-11-22 13:05:48,830 INFO L270 CegarLoopResult]: At program point L435-2(lines 435 449) the Hoare annotation is: false [2020-11-22 13:05:48,830 INFO L274 CegarLoopResult]: For program point L138(lines 138 151) no Hoare annotation was computed. [2020-11-22 13:05:48,830 INFO L270 CegarLoopResult]: At program point L138-1(lines 1 884) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:05:48,830 INFO L274 CegarLoopResult]: For program point L138-2(lines 138 151) no Hoare annotation was computed. [2020-11-22 13:05:48,830 INFO L270 CegarLoopResult]: At program point L138-3(lines 1 884) the Hoare annotation is: false [2020-11-22 13:05:48,830 INFO L274 CegarLoopResult]: For program point L138-4(lines 138 151) no Hoare annotation was computed. [2020-11-22 13:05:48,830 INFO L270 CegarLoopResult]: At program point L138-5(lines 1 884) the Hoare annotation is: false [2020-11-22 13:05:48,831 INFO L270 CegarLoopResult]: At program point L419(lines 414 422) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:05:48,831 INFO L274 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-11-22 13:05:48,831 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 13:05:48,831 INFO L270 CegarLoopResult]: At program point L91(lines 86 94) the Hoare annotation is: false [2020-11-22 13:05:48,831 INFO L270 CegarLoopResult]: At program point L91-1(lines 86 94) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:05:48,831 INFO L270 CegarLoopResult]: At program point L91-2(lines 86 94) the Hoare annotation is: false [2020-11-22 13:05:48,831 INFO L270 CegarLoopResult]: At program point L91-3(lines 86 94) the Hoare annotation is: false [2020-11-22 13:05:48,831 INFO L270 CegarLoopResult]: At program point L91-4(lines 86 94) the Hoare annotation is: false [2020-11-22 13:05:48,831 INFO L270 CegarLoopResult]: At program point L91-5(lines 86 94) the Hoare annotation is: false [2020-11-22 13:05:48,831 INFO L274 CegarLoopResult]: For program point L339(lines 339 345) no Hoare annotation was computed. [2020-11-22 13:05:48,832 INFO L270 CegarLoopResult]: At program point L339-1(lines 339 345) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:05:48,832 INFO L274 CegarLoopResult]: For program point L306(lines 306 312) no Hoare annotation was computed. [2020-11-22 13:05:48,832 INFO L270 CegarLoopResult]: At program point L306-1(lines 306 312) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:05:48,832 INFO L274 CegarLoopResult]: For program point L439(lines 439 443) no Hoare annotation was computed. [2020-11-22 13:05:48,832 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:05:48,832 INFO L274 CegarLoopResult]: For program point L439-1(lines 177 183) no Hoare annotation was computed. [2020-11-22 13:05:48,832 INFO L274 CegarLoopResult]: For program point L142(lines 142 148) no Hoare annotation was computed. [2020-11-22 13:05:48,832 INFO L274 CegarLoopResult]: For program point L142-2(lines 142 148) no Hoare annotation was computed. [2020-11-22 13:05:48,832 INFO L274 CegarLoopResult]: For program point L142-4(lines 142 148) no Hoare annotation was computed. [2020-11-22 13:05:48,832 INFO L274 CegarLoopResult]: For program point L506(lines 506 513) no Hoare annotation was computed. [2020-11-22 13:05:48,839 INFO L277 CegarLoopResult]: At program point L506-1(lines 506 513) the Hoare annotation is: true [2020-11-22 13:05:48,839 INFO L274 CegarLoopResult]: For program point L209(lines 209 226) no Hoare annotation was computed. [2020-11-22 13:05:48,839 INFO L274 CegarLoopResult]: For program point L209-1(lines 209 226) no Hoare annotation was computed. [2020-11-22 13:05:48,839 INFO L274 CegarLoopResult]: For program point L209-2(lines 209 226) no Hoare annotation was computed. [2020-11-22 13:05:48,839 INFO L274 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-11-22 13:05:48,840 INFO L274 CegarLoopResult]: For program point L160-1(line 160) no Hoare annotation was computed. [2020-11-22 13:05:48,840 INFO L274 CegarLoopResult]: For program point L160-2(line 160) no Hoare annotation was computed. [2020-11-22 13:05:48,840 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-22 13:05:48,840 INFO L270 CegarLoopResult]: At program point L177(lines 176 195) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:05:48,840 INFO L274 CegarLoopResult]: For program point L177-1(lines 177 183) no Hoare annotation was computed. [2020-11-22 13:05:48,841 INFO L270 CegarLoopResult]: At program point L177-2(lines 176 195) the Hoare annotation is: false [2020-11-22 13:05:48,841 INFO L274 CegarLoopResult]: For program point L78(lines 78 82) no Hoare annotation was computed. [2020-11-22 13:05:48,841 INFO L270 CegarLoopResult]: At program point L177-3(lines 176 195) the Hoare annotation is: false [2020-11-22 13:05:48,841 INFO L274 CegarLoopResult]: For program point L359(lines 359 372) no Hoare annotation was computed. [2020-11-22 13:05:48,841 INFO L270 CegarLoopResult]: At program point L377(lines 328 378) the Hoare annotation is: false [2020-11-22 13:05:48,841 INFO L270 CegarLoopResult]: At program point L262(lines 257 265) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:05:48,842 INFO L270 CegarLoopResult]: At program point L262-1(lines 257 265) the Hoare annotation is: false [2020-11-22 13:05:48,842 INFO L270 CegarLoopResult]: At program point L262-2(lines 257 265) the Hoare annotation is: false [2020-11-22 13:05:48,842 INFO L270 CegarLoopResult]: At program point L411(lines 1 884) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:05:48,842 INFO L274 CegarLoopResult]: For program point L213(lines 213 221) no Hoare annotation was computed. [2020-11-22 13:05:48,842 INFO L274 CegarLoopResult]: For program point L213-1(lines 213 221) no Hoare annotation was computed. [2020-11-22 13:05:48,842 INFO L274 CegarLoopResult]: For program point L213-2(lines 213 221) no Hoare annotation was computed. [2020-11-22 13:05:48,843 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-22 13:05:48,843 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:05:48,843 INFO L274 CegarLoopResult]: For program point L330(lines 329 376) no Hoare annotation was computed. [2020-11-22 13:05:48,843 INFO L274 CegarLoopResult]: For program point L66(lines 66 70) no Hoare annotation was computed. [2020-11-22 13:05:48,843 INFO L274 CegarLoopResult]: For program point L331(lines 331 335) no Hoare annotation was computed. [2020-11-22 13:05:48,843 INFO L274 CegarLoopResult]: For program point L365(lines 365 371) no Hoare annotation was computed. [2020-11-22 13:05:48,845 INFO L270 CegarLoopResult]: At program point L365-1(lines 177 183) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:05:48,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:05:48 BoogieIcfgContainer [2020-11-22 13:05:48,866 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 13:05:48,866 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 13:05:48,866 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 13:05:48,868 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 13:05:48,869 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:05:45" (3/4) ... [2020-11-22 13:05:48,872 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 13:05:48,896 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-22 13:05:48,897 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-22 13:05:48,897 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-22 13:05:48,898 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-22 13:05:48,899 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-22 13:05:48,899 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:05:48,900 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:05:48,931 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2020-11-22 13:05:48,986 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_040563ab-9dbf-4629-9abf-51ec8037a96a/bin/utaipan/witness.graphml [2020-11-22 13:05:48,986 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 13:05:48,988 INFO L168 Benchmark]: Toolchain (without parser) took 6680.10 ms. Allocated memory was 58.7 MB in the beginning and 86.0 MB in the end (delta: 27.3 MB). Free memory was 38.3 MB in the beginning and 53.2 MB in the end (delta: -14.9 MB). Peak memory consumption was 13.7 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:48,988 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 58.7 MB. Free memory is still 40.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:05:48,989 INFO L168 Benchmark]: CACSL2BoogieTranslator took 612.42 ms. Allocated memory is still 58.7 MB. Free memory was 38.0 MB in the beginning and 31.1 MB in the end (delta: 6.9 MB). Peak memory consumption was 19.8 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:48,989 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.90 ms. Allocated memory is still 58.7 MB. Free memory was 30.9 MB in the beginning and 28.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:48,989 INFO L168 Benchmark]: Boogie Preprocessor took 73.25 ms. Allocated memory is still 58.7 MB. Free memory was 28.2 MB in the beginning and 25.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:48,990 INFO L168 Benchmark]: RCFGBuilder took 2323.13 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 25.9 MB in the beginning and 42.9 MB in the end (delta: -17.0 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:48,990 INFO L168 Benchmark]: TraceAbstraction took 3455.80 ms. Allocated memory was 71.3 MB in the beginning and 86.0 MB in the end (delta: 14.7 MB). Free memory was 42.5 MB in the beginning and 59.6 MB in the end (delta: -17.1 MB). Peak memory consumption was 26.7 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:48,991 INFO L168 Benchmark]: Witness Printer took 119.97 ms. Allocated memory is still 86.0 MB. Free memory was 59.6 MB in the beginning and 53.2 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:48,993 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 58.7 MB. Free memory is still 40.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 612.42 ms. Allocated memory is still 58.7 MB. Free memory was 38.0 MB in the beginning and 31.1 MB in the end (delta: 6.9 MB). Peak memory consumption was 19.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 88.90 ms. Allocated memory is still 58.7 MB. Free memory was 30.9 MB in the beginning and 28.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 73.25 ms. Allocated memory is still 58.7 MB. Free memory was 28.2 MB in the beginning and 25.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2323.13 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 25.9 MB in the beginning and 42.9 MB in the end (delta: -17.0 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3455.80 ms. Allocated memory was 71.3 MB in the beginning and 86.0 MB in the end (delta: 14.7 MB). Free memory was 42.5 MB in the beginning and 59.6 MB in the end (delta: -17.1 MB). Peak memory consumption was 26.7 MB. Max. memory is 16.1 GB. * Witness Printer took 119.97 ms. Allocated memory is still 86.0 MB. Free memory was 59.6 MB in the beginning and 53.2 MB in the end (delta: 6.4 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: 176]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 349]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 435]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 414]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 246]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 246]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 246]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 339]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 74 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 308 SDtfs, 372 SDslu, 362 SDs, 0 SdLazy, 64 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 200 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred 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, 130 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 118 NumberOfFragments, 122 HoareAnnotationTreeSize, 32 FomulaSimplifications, 4062 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 194 ConstructedInterpolants, 0 QuantifiedInterpolants, 9899 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...