./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product23.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_36c2b455-b317-4942-87b9-eeb6609d5b77/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_36c2b455-b317-4942-87b9-eeb6609d5b77/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_36c2b455-b317-4942-87b9-eeb6609d5b77/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_36c2b455-b317-4942-87b9-eeb6609d5b77/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_36c2b455-b317-4942-87b9-eeb6609d5b77/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_36c2b455-b317-4942-87b9-eeb6609d5b77/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 6775cf40df2c7fe85c2d16019d10d145a8673615 ............................................................................................................................................ 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_36c2b455-b317-4942-87b9-eeb6609d5b77/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_36c2b455-b317-4942-87b9-eeb6609d5b77/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_36c2b455-b317-4942-87b9-eeb6609d5b77/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_36c2b455-b317-4942-87b9-eeb6609d5b77/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_36c2b455-b317-4942-87b9-eeb6609d5b77/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_36c2b455-b317-4942-87b9-eeb6609d5b77/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 6775cf40df2c7fe85c2d16019d10d145a8673615 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 12:58:26,687 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:58:26,689 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:58:26,764 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:58:26,765 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:58:26,771 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:58:26,774 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:58:26,782 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:58:26,785 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:58:26,792 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:58:26,794 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:58:26,796 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:58:26,796 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:58:26,799 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:58:26,801 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:58:26,803 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:58:26,805 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:58:26,809 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:58:26,813 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:58:26,817 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:58:26,822 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:58:26,823 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:58:26,825 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:58:26,827 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:58:26,833 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:58:26,834 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:58:26,834 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:58:26,836 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:58:26,837 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:58:26,838 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:58:26,838 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:58:26,840 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:58:26,842 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:58:26,845 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:58:26,846 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:58:26,846 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:58:26,847 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:58:26,847 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:58:26,848 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:58:26,849 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:58:26,849 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:58:26,852 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_36c2b455-b317-4942-87b9-eeb6609d5b77/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 12:58:26,901 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:58:26,901 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:58:26,903 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:58:26,903 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:58:26,903 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:58:26,903 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:58:26,904 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 12:58:26,904 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:58:26,904 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:58:26,904 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 12:58:26,905 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 12:58:26,906 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:58:26,906 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 12:58:26,906 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 12:58:26,906 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 12:58:26,907 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:58:26,907 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:58:26,907 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 12:58:26,908 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:58:26,908 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:58:26,908 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:58:26,908 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:58:26,909 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:58:26,909 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:58:26,909 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:58:26,909 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:58:26,909 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:58:26,910 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:58:26,910 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:58:26,911 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:58:26,912 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:58:26,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:58:26,912 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:58:26,913 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:58:26,913 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:58:26,913 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 12:58:26,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 12:58:26,913 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:58:26,914 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:58:26,914 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:58:26,914 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_36c2b455-b317-4942-87b9-eeb6609d5b77/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_36c2b455-b317-4942-87b9-eeb6609d5b77/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6775cf40df2c7fe85c2d16019d10d145a8673615 [2020-11-22 12:58:27,183 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:58:27,247 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:58:27,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:58:27,251 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:58:27,252 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:58:27,253 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_36c2b455-b317-4942-87b9-eeb6609d5b77/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c [2020-11-22 12:58:27,331 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_36c2b455-b317-4942-87b9-eeb6609d5b77/bin/utaipan/data/ecde8d041/bffcc5c75ced46299da88761ba5945f2/FLAG7bcc05d08 [2020-11-22 12:58:27,870 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:58:27,871 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_36c2b455-b317-4942-87b9-eeb6609d5b77/sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c [2020-11-22 12:58:27,892 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_36c2b455-b317-4942-87b9-eeb6609d5b77/bin/utaipan/data/ecde8d041/bffcc5c75ced46299da88761ba5945f2/FLAG7bcc05d08 [2020-11-22 12:58:28,167 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_36c2b455-b317-4942-87b9-eeb6609d5b77/bin/utaipan/data/ecde8d041/bffcc5c75ced46299da88761ba5945f2 [2020-11-22 12:58:28,169 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:58:28,171 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:58:28,176 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:58:28,177 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:58:28,180 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:58:28,182 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:58:28" (1/1) ... [2020-11-22 12:58:28,184 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@317fef33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:28, skipping insertion in model container [2020-11-22 12:58:28,184 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:58:28" (1/1) ... [2020-11-22 12:58:28,192 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:58:28,249 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:58:28,555 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:58:28,574 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 12:58:28,576 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@37dc76b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:28, skipping insertion in model container [2020-11-22 12:58:28,577 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:58:28,577 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 12:58:28,581 INFO L168 Benchmark]: Toolchain (without parser) took 407.50 ms. Allocated memory is still 88.1 MB. Free memory was 52.8 MB in the beginning and 62.3 MB in the end (delta: -9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-22 12:58:28,581 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 88.1 MB. Free memory is still 69.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:58:28,584 INFO L168 Benchmark]: CACSL2BoogieTranslator took 401.67 ms. Allocated memory is still 88.1 MB. Free memory was 52.6 MB in the beginning and 62.3 MB in the end (delta: -9.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-22 12:58:28,586 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 88.1 MB. Free memory is still 69.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 401.67 ms. Allocated memory is still 88.1 MB. Free memory was 52.6 MB in the beginning and 62.3 MB in the end (delta: -9.6 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: 70]: 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 12:58:30,753 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:58:30,755 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:58:30,787 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:58:30,788 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:58:30,789 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:58:30,791 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:58:30,793 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:58:30,796 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:58:30,797 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:58:30,798 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:58:30,799 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:58:30,801 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:58:30,804 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:58:30,806 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:58:30,807 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:58:30,809 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:58:30,811 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:58:30,817 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:58:30,822 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:58:30,828 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:58:30,833 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:58:30,840 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:58:30,842 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:58:30,845 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:58:30,852 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:58:30,852 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:58:30,853 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:58:30,855 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:58:30,856 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:58:30,856 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:58:30,857 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:58:30,858 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:58:30,860 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:58:30,861 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:58:30,861 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:58:30,862 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:58:30,862 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:58:30,862 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:58:30,864 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:58:30,865 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:58:30,866 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_36c2b455-b317-4942-87b9-eeb6609d5b77/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 12:58:30,896 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:58:30,898 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:58:30,903 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:58:30,904 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:58:30,904 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:58:30,904 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:58:30,905 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:58:30,905 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:58:30,905 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:58:30,906 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:58:30,907 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:58:30,908 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:58:30,908 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:58:30,908 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:58:30,908 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:58:30,909 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:58:30,909 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:58:30,909 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 12:58:30,909 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 12:58:30,909 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:58:30,910 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:58:30,910 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:58:30,910 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:58:30,910 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:58:30,911 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 12:58:30,911 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:58:30,911 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:58:30,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:58:30,924 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:58:30,924 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:58:30,925 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:58:30,925 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 12:58:30,925 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 12:58:30,925 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:58:30,926 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:58:30,926 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:58:30,926 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_36c2b455-b317-4942-87b9-eeb6609d5b77/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_36c2b455-b317-4942-87b9-eeb6609d5b77/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6775cf40df2c7fe85c2d16019d10d145a8673615 [2020-11-22 12:58:31,302 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:58:31,328 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:58:31,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:58:31,332 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:58:31,333 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:58:31,334 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_36c2b455-b317-4942-87b9-eeb6609d5b77/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c [2020-11-22 12:58:31,403 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_36c2b455-b317-4942-87b9-eeb6609d5b77/bin/utaipan/data/c2ebb0ac0/b5b9860c4cb14c4cab6dc9558a3e368f/FLAG353e37176 [2020-11-22 12:58:32,038 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:58:32,040 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_36c2b455-b317-4942-87b9-eeb6609d5b77/sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c [2020-11-22 12:58:32,056 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_36c2b455-b317-4942-87b9-eeb6609d5b77/bin/utaipan/data/c2ebb0ac0/b5b9860c4cb14c4cab6dc9558a3e368f/FLAG353e37176 [2020-11-22 12:58:32,282 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_36c2b455-b317-4942-87b9-eeb6609d5b77/bin/utaipan/data/c2ebb0ac0/b5b9860c4cb14c4cab6dc9558a3e368f [2020-11-22 12:58:32,284 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:58:32,287 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:58:32,291 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:58:32,291 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:58:32,295 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:58:32,297 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:58:32" (1/1) ... [2020-11-22 12:58:32,299 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 12:58:32, skipping insertion in model container [2020-11-22 12:58:32,300 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:58:32" (1/1) ... [2020-11-22 12:58:32,308 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:58:32,376 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:58:32,709 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:58:32,738 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-22 12:58:32,752 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:58:32,845 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:58:32,861 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 12:58:32,929 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:58:32,977 INFO L208 MainTranslator]: Completed translation [2020-11-22 12:58:32,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:32 WrapperNode [2020-11-22 12:58:32,979 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:58:32,980 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 12:58:32,980 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 12:58:32,980 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 12:58:32,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:32" (1/1) ... [2020-11-22 12:58:33,018 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:32" (1/1) ... [2020-11-22 12:58:33,081 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 12:58:33,081 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 12:58:33,081 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 12:58:33,082 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 12:58:33,095 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:32" (1/1) ... [2020-11-22 12:58:33,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:32" (1/1) ... [2020-11-22 12:58:33,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:32" (1/1) ... [2020-11-22 12:58:33,115 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:32" (1/1) ... [2020-11-22 12:58:33,144 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:32" (1/1) ... [2020-11-22 12:58:33,176 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:32" (1/1) ... [2020-11-22 12:58:33,179 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:32" (1/1) ... [2020-11-22 12:58:33,199 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 12:58:33,200 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 12:58:33,200 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 12:58:33,200 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 12:58:33,201 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36c2b455-b317-4942-87b9-eeb6609d5b77/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 12:58:33,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 12:58:33,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 12:58:33,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 12:58:33,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 12:58:35,631 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 12:58:35,632 INFO L298 CfgBuilder]: Removed 166 assume(true) statements. [2020-11-22 12:58:35,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:58:35 BoogieIcfgContainer [2020-11-22 12:58:35,634 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 12:58:35,635 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 12:58:35,635 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 12:58:35,638 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 12:58:35,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:58:32" (1/3) ... [2020-11-22 12:58:35,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b01baa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:58:35, skipping insertion in model container [2020-11-22 12:58:35,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:32" (2/3) ... [2020-11-22 12:58:35,640 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b01baa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:58:35, skipping insertion in model container [2020-11-22 12:58:35,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:58:35" (3/3) ... [2020-11-22 12:58:35,642 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product23.cil.c [2020-11-22 12:58:35,652 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 12:58:35,657 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-22 12:58:35,669 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-22 12:58:35,706 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 12:58:35,706 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 12:58:35,706 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 12:58:35,707 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 12:58:35,707 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 12:58:35,707 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 12:58:35,707 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 12:58:35,707 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 12:58:35,727 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states. [2020-11-22 12:58:35,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-22 12:58:35,735 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:58:35,735 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:58:35,736 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:58:35,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:58:35,743 INFO L82 PathProgramCache]: Analyzing trace with hash -2110279171, now seen corresponding path program 1 times [2020-11-22 12:58:35,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:58:35,759 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [464307584] [2020-11-22 12:58:35,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36c2b455-b317-4942-87b9-eeb6609d5b77/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 12:58:36,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:58:36,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 12:58:36,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:58:36,073 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 12:58:36,073 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:58:36,082 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 12:58:36,083 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [464307584] [2020-11-22 12:58:36,084 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:58:36,085 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 12:58:36,086 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579366268] [2020-11-22 12:58:36,090 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 12:58:36,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:58:36,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 12:58:36,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 12:58:36,109 INFO L87 Difference]: Start difference. First operand 110 states. Second operand 2 states. [2020-11-22 12:58:36,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:58:36,163 INFO L93 Difference]: Finished difference Result 211 states and 314 transitions. [2020-11-22 12:58:36,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 12:58:36,164 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-22 12:58:36,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:58:36,186 INFO L225 Difference]: With dead ends: 211 [2020-11-22 12:58:36,186 INFO L226 Difference]: Without dead ends: 103 [2020-11-22 12:58:36,189 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 12:58:36,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2020-11-22 12:58:36,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2020-11-22 12:58:36,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-11-22 12:58:36,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 147 transitions. [2020-11-22 12:58:36,247 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 147 transitions. Word has length 16 [2020-11-22 12:58:36,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:58:36,248 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 147 transitions. [2020-11-22 12:58:36,248 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 12:58:36,248 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 147 transitions. [2020-11-22 12:58:36,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-22 12:58:36,251 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:58:36,252 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 12:58:36,461 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 12:58:36,461 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:58:36,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:58:36,462 INFO L82 PathProgramCache]: Analyzing trace with hash 1364569740, now seen corresponding path program 1 times [2020-11-22 12:58:36,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:58:36,463 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1344397519] [2020-11-22 12:58:36,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36c2b455-b317-4942-87b9-eeb6609d5b77/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 12:58:36,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:58:36,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:58:36,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:58:36,725 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 12:58:36,725 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:58:36,740 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 12:58:36,741 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1344397519] [2020-11-22 12:58:36,741 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:58:36,741 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 12:58:36,741 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860643307] [2020-11-22 12:58:36,742 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:58:36,743 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:58:36,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:58:36,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:58:36,744 INFO L87 Difference]: Start difference. First operand 103 states and 147 transitions. Second operand 4 states. [2020-11-22 12:58:36,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:58:36,759 INFO L93 Difference]: Finished difference Result 103 states and 147 transitions. [2020-11-22 12:58:36,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:58:36,762 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-11-22 12:58:36,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:58:36,763 INFO L225 Difference]: With dead ends: 103 [2020-11-22 12:58:36,763 INFO L226 Difference]: Without dead ends: 45 [2020-11-22 12:58:36,765 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 12:58:36,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-11-22 12:58:36,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-11-22 12:58:36,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-11-22 12:58:36,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2020-11-22 12:58:36,781 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 17 [2020-11-22 12:58:36,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:58:36,782 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2020-11-22 12:58:36,783 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:58:36,783 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2020-11-22 12:58:36,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-22 12:58:36,784 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:58:36,785 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 12:58:37,001 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 12:58:37,003 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:58:37,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:58:37,004 INFO L82 PathProgramCache]: Analyzing trace with hash 1163144762, now seen corresponding path program 1 times [2020-11-22 12:58:37,004 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:58:37,005 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [316041979] [2020-11-22 12:58:37,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36c2b455-b317-4942-87b9-eeb6609d5b77/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 12:58:37,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:58:37,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:58:37,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:58:37,247 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 12:58:37,247 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:58:37,257 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 12:58:37,257 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [316041979] [2020-11-22 12:58:37,257 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:58:37,257 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2020-11-22 12:58:37,258 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263788600] [2020-11-22 12:58:37,258 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:58:37,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:58:37,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:58:37,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:58:37,259 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand 4 states. [2020-11-22 12:58:37,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:58:37,297 INFO L93 Difference]: Finished difference Result 146 states and 214 transitions. [2020-11-22 12:58:37,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-22 12:58:37,298 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-11-22 12:58:37,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:58:37,299 INFO L225 Difference]: With dead ends: 146 [2020-11-22 12:58:37,300 INFO L226 Difference]: Without dead ends: 107 [2020-11-22 12:58:37,300 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 12:58:37,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-11-22 12:58:37,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 64. [2020-11-22 12:58:37,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2020-11-22 12:58:37,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 93 transitions. [2020-11-22 12:58:37,315 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 93 transitions. Word has length 22 [2020-11-22 12:58:37,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:58:37,316 INFO L481 AbstractCegarLoop]: Abstraction has 64 states and 93 transitions. [2020-11-22 12:58:37,316 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:58:37,316 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 93 transitions. [2020-11-22 12:58:37,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-22 12:58:37,317 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:58:37,318 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 12:58:37,536 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 12:58:37,536 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:58:37,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:58:37,537 INFO L82 PathProgramCache]: Analyzing trace with hash -1300420088, now seen corresponding path program 1 times [2020-11-22 12:58:37,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:58:37,538 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [210867045] [2020-11-22 12:58:37,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36c2b455-b317-4942-87b9-eeb6609d5b77/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 12:58:37,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:58:37,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 12:58:37,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:58:37,762 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 12:58:37,762 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:58:37,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:58:37,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [210867045] [2020-11-22 12:58:37,783 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:58:37,783 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-22 12:58:37,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513102242] [2020-11-22 12:58:37,784 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 12:58:37,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:58:37,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 12:58:37,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 12:58:37,787 INFO L87 Difference]: Start difference. First operand 64 states and 93 transitions. Second operand 5 states. [2020-11-22 12:58:37,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:58:37,935 INFO L93 Difference]: Finished difference Result 309 states and 471 transitions. [2020-11-22 12:58:37,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-22 12:58:37,935 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-11-22 12:58:37,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:58:37,938 INFO L225 Difference]: With dead ends: 309 [2020-11-22 12:58:37,938 INFO L226 Difference]: Without dead ends: 251 [2020-11-22 12:58:37,939 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 43 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 12:58:37,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2020-11-22 12:58:37,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 116. [2020-11-22 12:58:37,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-11-22 12:58:37,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 169 transitions. [2020-11-22 12:58:37,958 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 169 transitions. Word has length 24 [2020-11-22 12:58:37,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:58:37,958 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 169 transitions. [2020-11-22 12:58:37,959 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 12:58:37,959 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 169 transitions. [2020-11-22 12:58:37,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-22 12:58:37,960 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:58:37,960 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:58:38,179 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 12:58:38,180 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:58:38,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:58:38,180 INFO L82 PathProgramCache]: Analyzing trace with hash -891352514, now seen corresponding path program 1 times [2020-11-22 12:58:38,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:58:38,181 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [927360712] [2020-11-22 12:58:38,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36c2b455-b317-4942-87b9-eeb6609d5b77/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 12:58:38,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:58:38,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 12:58:38,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:58:38,389 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 12:58:38,389 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:58:38,394 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 12:58:38,394 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [927360712] [2020-11-22 12:58:38,394 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:58:38,394 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-22 12:58:38,395 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552913905] [2020-11-22 12:58:38,395 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 12:58:38,395 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:58:38,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 12:58:38,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 12:58:38,396 INFO L87 Difference]: Start difference. First operand 116 states and 169 transitions. Second operand 5 states. [2020-11-22 12:58:38,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:58:38,546 INFO L93 Difference]: Finished difference Result 312 states and 467 transitions. [2020-11-22 12:58:38,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 12:58:38,547 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-11-22 12:58:38,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:58:38,547 INFO L225 Difference]: With dead ends: 312 [2020-11-22 12:58:38,547 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 12:58:38,549 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 47 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 12:58:38,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 12:58:38,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 12:58:38,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 12:58:38,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 12:58:38,550 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2020-11-22 12:58:38,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:58:38,550 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 12:58:38,550 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 12:58:38,550 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 12:58:38,550 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 12:58:38,751 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-22 12:58:38,752 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 12:58:38,906 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 6 [2020-11-22 12:58:39,261 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:58:39,262 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-22 12:58:39,262 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-22 12:58:39,262 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-22 12:58:39,262 INFO L277 CegarLoopResult]: At program point L928(lines 909 931) the Hoare annotation is: true [2020-11-22 12:58:39,262 INFO L270 CegarLoopResult]: At program point L697(lines 692 700) 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 12:58:39,262 INFO L270 CegarLoopResult]: At program point L697-1(lines 692 700) the Hoare annotation is: false [2020-11-22 12:58:39,262 INFO L270 CegarLoopResult]: At program point L697-2(lines 692 700) the Hoare annotation is: false [2020-11-22 12:58:39,263 INFO L270 CegarLoopResult]: At program point L565(lines 516 566) the Hoare annotation is: false [2020-11-22 12:58:39,263 INFO L270 CegarLoopResult]: At program point L499(lines 494 502) the Hoare annotation is: false [2020-11-22 12:58:39,263 INFO L270 CegarLoopResult]: At program point L499-1(lines 494 502) the Hoare annotation is: false [2020-11-22 12:58:39,263 INFO L274 CegarLoopResult]: For program point L433(lines 433 437) no Hoare annotation was computed. [2020-11-22 12:58:39,263 INFO L270 CegarLoopResult]: At program point L499-2(lines 494 502) the Hoare annotation is: false [2020-11-22 12:58:39,263 INFO L270 CegarLoopResult]: At program point L499-3(lines 494 502) the Hoare annotation is: false [2020-11-22 12:58:39,264 INFO L270 CegarLoopResult]: At program point L499-4(lines 494 502) the Hoare annotation is: false [2020-11-22 12:58:39,264 INFO L270 CegarLoopResult]: At program point L499-5(lines 494 502) the Hoare annotation is: false [2020-11-22 12:58:39,264 INFO L270 CegarLoopResult]: At program point L896(lines 892 898) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:58:39,264 INFO L270 CegarLoopResult]: At program point L832(lines 827 835) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:58:39,264 INFO L274 CegarLoopResult]: For program point L537(lines 537 543) no Hoare annotation was computed. [2020-11-22 12:58:39,264 INFO L270 CegarLoopResult]: At program point L537-1(lines 537 543) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:58:39,264 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:58:39,265 INFO L274 CegarLoopResult]: For program point L937(line 937) no Hoare annotation was computed. [2020-11-22 12:58:39,265 INFO L274 CegarLoopResult]: For program point L937-1(line 937) no Hoare annotation was computed. [2020-11-22 12:58:39,265 INFO L274 CegarLoopResult]: For program point L937-2(line 937) no Hoare annotation was computed. [2020-11-22 12:58:39,265 INFO L274 CegarLoopResult]: For program point L445(lines 445 449) no Hoare annotation was computed. [2020-11-22 12:58:39,265 INFO L274 CegarLoopResult]: For program point L644(lines 644 661) no Hoare annotation was computed. [2020-11-22 12:58:39,265 INFO L274 CegarLoopResult]: For program point L644-1(lines 644 661) no Hoare annotation was computed. [2020-11-22 12:58:39,265 INFO L274 CegarLoopResult]: For program point L644-2(lines 644 661) no Hoare annotation was computed. [2020-11-22 12:58:39,265 INFO L274 CegarLoopResult]: For program point L547(lines 547 560) no Hoare annotation was computed. [2020-11-22 12:58:39,265 INFO L274 CegarLoopResult]: For program point L746(lines 746 750) no Hoare annotation was computed. [2020-11-22 12:58:39,265 INFO L274 CegarLoopResult]: For program point L746-2(lines 746 750) no Hoare annotation was computed. [2020-11-22 12:58:39,265 INFO L274 CegarLoopResult]: For program point L746-3(lines 746 750) no Hoare annotation was computed. [2020-11-22 12:58:39,266 INFO L274 CegarLoopResult]: For program point L746-5(lines 746 750) no Hoare annotation was computed. [2020-11-22 12:58:39,266 INFO L274 CegarLoopResult]: For program point L746-6(lines 746 750) no Hoare annotation was computed. [2020-11-22 12:58:39,266 INFO L274 CegarLoopResult]: For program point L746-8(lines 746 750) no Hoare annotation was computed. [2020-11-22 12:58:39,266 INFO L274 CegarLoopResult]: For program point L746-9(lines 746 750) no Hoare annotation was computed. [2020-11-22 12:58:39,266 INFO L274 CegarLoopResult]: For program point L746-11(lines 746 750) no Hoare annotation was computed. [2020-11-22 12:58:39,266 INFO L274 CegarLoopResult]: For program point L746-12(lines 746 750) no Hoare annotation was computed. [2020-11-22 12:58:39,266 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 12:58:39,266 INFO L274 CegarLoopResult]: For program point L746-14(lines 746 750) no Hoare annotation was computed. [2020-11-22 12:58:39,266 INFO L274 CegarLoopResult]: For program point L746-15(lines 746 750) no Hoare annotation was computed. [2020-11-22 12:58:39,266 INFO L274 CegarLoopResult]: For program point L746-17(lines 746 750) no Hoare annotation was computed. [2020-11-22 12:58:39,267 INFO L274 CegarLoopResult]: For program point L648(lines 648 656) no Hoare annotation was computed. [2020-11-22 12:58:39,267 INFO L274 CegarLoopResult]: For program point L648-1(lines 648 656) no Hoare annotation was computed. [2020-11-22 12:58:39,267 INFO L274 CegarLoopResult]: For program point L648-2(lines 648 656) no Hoare annotation was computed. [2020-11-22 12:58:39,267 INFO L274 CegarLoopResult]: For program point L781(lines 781 794) no Hoare annotation was computed. [2020-11-22 12:58:39,267 INFO L270 CegarLoopResult]: At program point L781-1(lines 1 940) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:58:39,267 INFO L274 CegarLoopResult]: For program point L781-2(lines 781 794) no Hoare annotation was computed. [2020-11-22 12:58:39,267 INFO L270 CegarLoopResult]: At program point L781-3(lines 1 940) the Hoare annotation is: false [2020-11-22 12:58:39,267 INFO L274 CegarLoopResult]: For program point L781-4(lines 781 794) no Hoare annotation was computed. [2020-11-22 12:58:39,267 INFO L270 CegarLoopResult]: At program point L781-5(lines 1 940) the Hoare annotation is: false [2020-11-22 12:58:39,267 INFO L270 CegarLoopResult]: At program point L848-2(lines 848 862) the Hoare annotation is: false [2020-11-22 12:58:39,268 INFO L274 CegarLoopResult]: For program point L518(lines 517 564) no Hoare annotation was computed. [2020-11-22 12:58:39,268 INFO L274 CegarLoopResult]: For program point L849(line 849) no Hoare annotation was computed. [2020-11-22 12:58:39,268 INFO L274 CegarLoopResult]: For program point L618(lines 618 635) no Hoare annotation was computed. [2020-11-22 12:58:39,268 INFO L274 CegarLoopResult]: For program point L618-1(lines 618 635) no Hoare annotation was computed. [2020-11-22 12:58:39,268 INFO L274 CegarLoopResult]: For program point L618-2(lines 618 635) no Hoare annotation was computed. [2020-11-22 12:58:39,268 INFO L274 CegarLoopResult]: For program point L519(lines 519 523) no Hoare annotation was computed. [2020-11-22 12:58:39,268 INFO L274 CegarLoopResult]: For program point L618-3(lines 618 635) no Hoare annotation was computed. [2020-11-22 12:58:39,268 INFO L274 CegarLoopResult]: For program point L618-4(lines 618 635) no Hoare annotation was computed. [2020-11-22 12:58:39,268 INFO L274 CegarLoopResult]: For program point L618-5(lines 618 635) no Hoare annotation was computed. [2020-11-22 12:58:39,268 INFO L270 CegarLoopResult]: At program point L586(lines 585 604) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:58:39,268 INFO L274 CegarLoopResult]: For program point L553(lines 553 559) no Hoare annotation was computed. [2020-11-22 12:58:39,268 INFO L274 CegarLoopResult]: For program point L586-1(lines 586 592) no Hoare annotation was computed. [2020-11-22 12:58:39,268 INFO L270 CegarLoopResult]: At program point L553-1(lines 586 592) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:58:39,269 INFO L270 CegarLoopResult]: At program point L586-2(lines 585 604) the Hoare annotation is: false [2020-11-22 12:58:39,269 INFO L270 CegarLoopResult]: At program point L586-3(lines 585 604) the Hoare annotation is: false [2020-11-22 12:58:39,269 INFO L274 CegarLoopResult]: For program point L421(lines 421 425) no Hoare annotation was computed. [2020-11-22 12:58:39,269 INFO L274 CegarLoopResult]: For program point L421-3(lines 421 425) no Hoare annotation was computed. [2020-11-22 12:58:39,269 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 12:58:39,269 INFO L274 CegarLoopResult]: For program point L421-6(lines 421 425) no Hoare annotation was computed. [2020-11-22 12:58:39,269 INFO L274 CegarLoopResult]: For program point L785(lines 785 791) no Hoare annotation was computed. [2020-11-22 12:58:39,269 INFO L270 CegarLoopResult]: At program point L752(lines 737 755) the Hoare annotation is: false [2020-11-22 12:58:39,270 INFO L270 CegarLoopResult]: At program point L752-1(lines 737 755) the Hoare annotation is: false [2020-11-22 12:58:39,270 INFO L274 CegarLoopResult]: For program point L785-2(lines 785 791) no Hoare annotation was computed. [2020-11-22 12:58:39,270 INFO L270 CegarLoopResult]: At program point L752-2(lines 737 755) the Hoare annotation is: false [2020-11-22 12:58:39,270 INFO L270 CegarLoopResult]: At program point L752-3(lines 737 755) the Hoare annotation is: false [2020-11-22 12:58:39,270 INFO L274 CegarLoopResult]: For program point L785-4(lines 785 791) no Hoare annotation was computed. [2020-11-22 12:58:39,271 INFO L270 CegarLoopResult]: At program point L752-4(lines 737 755) the Hoare annotation is: false [2020-11-22 12:58:39,271 INFO L270 CegarLoopResult]: At program point L752-5(lines 737 755) the Hoare annotation is: false [2020-11-22 12:58:39,271 INFO L274 CegarLoopResult]: For program point L852(lines 852 856) no Hoare annotation was computed. [2020-11-22 12:58:39,271 INFO L274 CegarLoopResult]: For program point L852-1(lines 586 592) no Hoare annotation was computed. [2020-11-22 12:58:39,271 INFO L274 CegarLoopResult]: For program point L919(lines 919 926) no Hoare annotation was computed. [2020-11-22 12:58:39,271 INFO L277 CegarLoopResult]: At program point L919-1(lines 919 926) the Hoare annotation is: true [2020-11-22 12:58:39,271 INFO L270 CegarLoopResult]: At program point L688(lines 681 691) the Hoare annotation is: false [2020-11-22 12:58:39,271 INFO L270 CegarLoopResult]: At program point L688-1(lines 681 691) the Hoare annotation is: false [2020-11-22 12:58:39,271 INFO L274 CegarLoopResult]: For program point L622(lines 622 630) no Hoare annotation was computed. [2020-11-22 12:58:39,272 INFO L270 CegarLoopResult]: At program point L688-2(lines 681 691) the Hoare annotation is: false [2020-11-22 12:58:39,272 INFO L274 CegarLoopResult]: For program point L622-1(lines 622 630) no Hoare annotation was computed. [2020-11-22 12:58:39,272 INFO L274 CegarLoopResult]: For program point L622-2(lines 622 630) no Hoare annotation was computed. [2020-11-22 12:58:39,272 INFO L274 CegarLoopResult]: For program point L622-3(lines 622 630) no Hoare annotation was computed. [2020-11-22 12:58:39,272 INFO L274 CegarLoopResult]: For program point L622-4(lines 622 630) no Hoare annotation was computed. [2020-11-22 12:58:39,272 INFO L274 CegarLoopResult]: For program point L622-5(lines 622 630) no Hoare annotation was computed. [2020-11-22 12:58:39,272 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-22 12:58:39,272 INFO L270 CegarLoopResult]: At program point L458(lines 453 461) the Hoare annotation is: false [2020-11-22 12:58:39,272 INFO L270 CegarLoopResult]: At program point L458-1(lines 453 461) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:58:39,273 INFO L270 CegarLoopResult]: At program point L458-2(lines 453 461) the Hoare annotation is: false [2020-11-22 12:58:39,273 INFO L270 CegarLoopResult]: At program point L458-3(lines 453 461) the Hoare annotation is: false [2020-11-22 12:58:39,273 INFO L270 CegarLoopResult]: At program point L458-4(lines 453 461) the Hoare annotation is: false [2020-11-22 12:58:39,273 INFO L270 CegarLoopResult]: At program point L458-5(lines 453 461) the Hoare annotation is: false [2020-11-22 12:58:39,273 INFO L270 CegarLoopResult]: At program point L824(lines 1 940) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:58:39,273 INFO L270 CegarLoopResult]: At program point L593(lines 593 599) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:58:39,273 INFO L270 CegarLoopResult]: At program point L593-1(lines 593 599) the Hoare annotation is: false [2020-11-22 12:58:39,273 INFO L274 CegarLoopResult]: For program point L527(lines 527 533) no Hoare annotation was computed. [2020-11-22 12:58:39,274 INFO L270 CegarLoopResult]: At program point L593-2(lines 593 599) the Hoare annotation is: false [2020-11-22 12:58:39,274 INFO L270 CegarLoopResult]: At program point L527-1(lines 527 533) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:58:39,274 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-22 12:58:39,274 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:58:39,274 INFO L274 CegarLoopResult]: For program point L760(lines 760 766) no Hoare annotation was computed. [2020-11-22 12:58:39,274 INFO L270 CegarLoopResult]: At program point L760-1(lines 760 766) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:58:39,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:58:39 BoogieIcfgContainer [2020-11-22 12:58:39,301 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 12:58:39,301 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 12:58:39,301 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 12:58:39,304 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 12:58:39,305 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:58:35" (3/4) ... [2020-11-22 12:58:39,308 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 12:58:39,336 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-22 12:58:39,337 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-22 12:58:39,338 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-22 12:58:39,339 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-22 12:58:39,340 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-22 12:58:39,341 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 12:58:39,342 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 12:58:39,374 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2020-11-22 12:58:39,470 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_36c2b455-b317-4942-87b9-eeb6609d5b77/bin/utaipan/witness.graphml [2020-11-22 12:58:39,470 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 12:58:39,472 INFO L168 Benchmark]: Toolchain (without parser) took 7184.58 ms. Allocated memory was 60.8 MB in the beginning and 77.6 MB in the end (delta: 16.8 MB). Free memory was 39.9 MB in the beginning and 33.8 MB in the end (delta: 6.1 MB). Peak memory consumption was 24.7 MB. Max. memory is 16.1 GB. [2020-11-22 12:58:39,472 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 60.8 MB. Free memory is still 42.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:58:39,473 INFO L168 Benchmark]: CACSL2BoogieTranslator took 688.40 ms. Allocated memory is still 60.8 MB. Free memory was 39.8 MB in the beginning and 28.5 MB in the end (delta: 11.3 MB). Peak memory consumption was 18.4 MB. Max. memory is 16.1 GB. [2020-11-22 12:58:39,474 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.88 ms. Allocated memory is still 60.8 MB. Free memory was 28.5 MB in the beginning and 25.1 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-22 12:58:39,474 INFO L168 Benchmark]: Boogie Preprocessor took 117.80 ms. Allocated memory is still 60.8 MB. Free memory was 25.1 MB in the beginning and 42.1 MB in the end (delta: -17.1 MB). Peak memory consumption was 3.2 MB. Max. memory is 16.1 GB. [2020-11-22 12:58:39,475 INFO L168 Benchmark]: RCFGBuilder took 2433.94 ms. Allocated memory was 60.8 MB in the beginning and 77.6 MB in the end (delta: 16.8 MB). Free memory was 42.1 MB in the beginning and 40.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 33.2 MB. Max. memory is 16.1 GB. [2020-11-22 12:58:39,475 INFO L168 Benchmark]: TraceAbstraction took 3665.63 ms. Allocated memory is still 77.6 MB. Free memory was 40.3 MB in the beginning and 42.8 MB in the end (delta: -2.6 MB). Peak memory consumption was 18.4 MB. Max. memory is 16.1 GB. [2020-11-22 12:58:39,475 INFO L168 Benchmark]: Witness Printer took 169.32 ms. Allocated memory is still 77.6 MB. Free memory was 42.8 MB in the beginning and 33.8 MB in the end (delta: 9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-22 12:58:39,478 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 60.8 MB. Free memory is still 42.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 688.40 ms. Allocated memory is still 60.8 MB. Free memory was 39.8 MB in the beginning and 28.5 MB in the end (delta: 11.3 MB). Peak memory consumption was 18.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 100.88 ms. Allocated memory is still 60.8 MB. Free memory was 28.5 MB in the beginning and 25.1 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 117.80 ms. Allocated memory is still 60.8 MB. Free memory was 25.1 MB in the beginning and 42.1 MB in the end (delta: -17.1 MB). Peak memory consumption was 3.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2433.94 ms. Allocated memory was 60.8 MB in the beginning and 77.6 MB in the end (delta: 16.8 MB). Free memory was 42.1 MB in the beginning and 40.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 33.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3665.63 ms. Allocated memory is still 77.6 MB. Free memory was 40.3 MB in the beginning and 42.8 MB in the end (delta: -2.6 MB). Peak memory consumption was 18.4 MB. Max. memory is 16.1 GB. * Witness Printer took 169.32 ms. Allocated memory is still 77.6 MB. Free memory was 42.8 MB in the beginning and 33.8 MB in the end (delta: 9.0 MB). Peak memory consumption was 8.4 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: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 848]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 892]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 110 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 434 SDtfs, 597 SDslu, 448 SDs, 0 SdLazy, 67 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 206 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred 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, 178 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 130 NumberOfFragments, 134 HoareAnnotationTreeSize, 44 FomulaSimplifications, 4062 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 44 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 198 ConstructedInterpolants, 0 QuantifiedInterpolants, 8995 SizeOfPredicates, 8 NumberOfNonLiveVariables, 975 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...