./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product31.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_24950af2-6d97-4712-ae9f-c3ccf72a42e7/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_24950af2-6d97-4712-ae9f-c3ccf72a42e7/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_24950af2-6d97-4712-ae9f-c3ccf72a42e7/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_24950af2-6d97-4712-ae9f-c3ccf72a42e7/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_24950af2-6d97-4712-ae9f-c3ccf72a42e7/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_24950af2-6d97-4712-ae9f-c3ccf72a42e7/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 465164c9d6bff671f00f1c9497719b8ddd91e991 ............................................................................................................................................ 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_24950af2-6d97-4712-ae9f-c3ccf72a42e7/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_24950af2-6d97-4712-ae9f-c3ccf72a42e7/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_24950af2-6d97-4712-ae9f-c3ccf72a42e7/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_24950af2-6d97-4712-ae9f-c3ccf72a42e7/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_24950af2-6d97-4712-ae9f-c3ccf72a42e7/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_24950af2-6d97-4712-ae9f-c3ccf72a42e7/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 465164c9d6bff671f00f1c9497719b8ddd91e991 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:05:26,903 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:05:26,906 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:05:27,000 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:05:27,000 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:05:27,006 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:05:27,010 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:05:27,014 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:05:27,017 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:05:27,025 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:05:27,026 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:05:27,028 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:05:27,029 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:05:27,032 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:05:27,034 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:05:27,036 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:05:27,037 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:05:27,038 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:05:27,045 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:05:27,053 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:05:27,056 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:05:27,058 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:05:27,060 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:05:27,061 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:05:27,065 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:05:27,065 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:05:27,066 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:05:27,068 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:05:27,068 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:05:27,069 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:05:27,070 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:05:27,071 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:05:27,073 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:05:27,074 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:05:27,075 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:05:27,076 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:05:27,076 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:05:27,077 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:05:27,077 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:05:27,078 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:05:27,079 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:05:27,081 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_24950af2-6d97-4712-ae9f-c3ccf72a42e7/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 13:05:27,119 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:05:27,119 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:05:27,121 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:05:27,121 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:05:27,121 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:05:27,121 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:05:27,122 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:05:27,122 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:05:27,122 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:05:27,122 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:05:27,123 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:05:27,124 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:05:27,124 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:05:27,124 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:05:27,124 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:05:27,125 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:05:27,125 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:05:27,126 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:05:27,126 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:05:27,126 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:05:27,126 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:05:27,126 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:05:27,127 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:05:27,127 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:05:27,127 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:05:27,127 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:05:27,128 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:05:27,128 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:05:27,128 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:05:27,128 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:05:27,129 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:05:27,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:05:27,129 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:05:27,129 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:05:27,130 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:05:27,130 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:05:27,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:05:27,130 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:05:27,131 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:05:27,131 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:05:27,131 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_24950af2-6d97-4712-ae9f-c3ccf72a42e7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_24950af2-6d97-4712-ae9f-c3ccf72a42e7/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 465164c9d6bff671f00f1c9497719b8ddd91e991 [2020-11-22 13:05:27,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:05:27,419 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:05:27,422 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:05:27,426 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:05:27,427 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:05:27,428 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_24950af2-6d97-4712-ae9f-c3ccf72a42e7/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c [2020-11-22 13:05:27,498 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_24950af2-6d97-4712-ae9f-c3ccf72a42e7/bin/utaipan/data/7925eb4f6/e54e7c34f2e84ec888678be1062e61c0/FLAG08af621f9 [2020-11-22 13:05:28,106 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:05:28,106 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_24950af2-6d97-4712-ae9f-c3ccf72a42e7/sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c [2020-11-22 13:05:28,120 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_24950af2-6d97-4712-ae9f-c3ccf72a42e7/bin/utaipan/data/7925eb4f6/e54e7c34f2e84ec888678be1062e61c0/FLAG08af621f9 [2020-11-22 13:05:28,408 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_24950af2-6d97-4712-ae9f-c3ccf72a42e7/bin/utaipan/data/7925eb4f6/e54e7c34f2e84ec888678be1062e61c0 [2020-11-22 13:05:28,411 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:05:28,412 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:05:28,414 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:05:28,414 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:05:28,418 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:05:28,418 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:05:28" (1/1) ... [2020-11-22 13:05:28,421 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13f17407 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:28, skipping insertion in model container [2020-11-22 13:05:28,421 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:05:28" (1/1) ... [2020-11-22 13:05:28,428 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:05:28,472 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:05:28,866 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:05:28,890 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2020-11-22 13:05:28,891 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@608c62be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:28, skipping insertion in model container [2020-11-22 13:05:28,891 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:05:28,892 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 13:05:28,895 INFO L168 Benchmark]: Toolchain (without parser) took 480.35 ms. Allocated memory is still 104.9 MB. Free memory was 75.1 MB in the beginning and 78.6 MB in the end (delta: -3.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:28,896 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 77.6 MB. Free memory was 39.9 MB in the beginning and 39.9 MB in the end (delta: 41.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:05:28,898 INFO L168 Benchmark]: CACSL2BoogieTranslator took 477.53 ms. Allocated memory is still 104.9 MB. Free memory was 74.9 MB in the beginning and 78.6 MB in the end (delta: -3.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:28,900 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 77.6 MB. Free memory was 39.9 MB in the beginning and 39.9 MB in the end (delta: 41.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 477.53 ms. Allocated memory is still 104.9 MB. Free memory was 74.9 MB in the beginning and 78.6 MB in the end (delta: -3.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 408]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:05:31,089 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:05:31,091 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:05:31,133 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:05:31,134 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:05:31,139 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:05:31,141 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:05:31,145 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:05:31,148 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:05:31,154 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:05:31,155 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:05:31,156 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:05:31,157 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:05:31,170 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:05:31,171 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:05:31,173 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:05:31,173 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:05:31,175 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:05:31,177 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:05:31,179 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:05:31,181 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:05:31,187 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:05:31,188 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:05:31,189 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:05:31,198 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:05:31,198 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:05:31,198 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:05:31,200 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:05:31,200 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:05:31,201 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:05:31,202 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:05:31,203 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:05:31,204 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:05:31,205 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:05:31,206 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:05:31,206 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:05:31,207 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:05:31,207 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:05:31,208 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:05:31,214 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:05:31,217 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:05:31,218 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_24950af2-6d97-4712-ae9f-c3ccf72a42e7/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 13:05:31,268 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:05:31,268 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:05:31,269 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:05:31,269 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:05:31,270 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:05:31,270 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:05:31,270 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:05:31,270 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:05:31,270 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:05:31,272 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:05:31,273 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:05:31,273 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:05:31,273 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:05:31,273 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:05:31,274 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:05:31,274 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:05:31,274 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:05:31,274 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 13:05:31,274 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 13:05:31,275 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:05:31,275 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:05:31,275 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:05:31,275 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:05:31,275 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:05:31,276 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 13:05:31,276 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:05:31,276 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:05:31,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:05:31,276 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:05:31,277 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:05:31,277 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:05:31,277 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 13:05:31,277 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 13:05:31,277 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:05:31,278 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:05:31,278 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:05:31,278 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_24950af2-6d97-4712-ae9f-c3ccf72a42e7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_24950af2-6d97-4712-ae9f-c3ccf72a42e7/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 465164c9d6bff671f00f1c9497719b8ddd91e991 [2020-11-22 13:05:31,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:05:31,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:05:31,731 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:05:31,732 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:05:31,735 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:05:31,736 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_24950af2-6d97-4712-ae9f-c3ccf72a42e7/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c [2020-11-22 13:05:31,809 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_24950af2-6d97-4712-ae9f-c3ccf72a42e7/bin/utaipan/data/993e93130/c1c42a70ed844356bc5c7f4eaf61b106/FLAG5834450f4 [2020-11-22 13:05:32,391 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:05:32,392 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_24950af2-6d97-4712-ae9f-c3ccf72a42e7/sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c [2020-11-22 13:05:32,408 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_24950af2-6d97-4712-ae9f-c3ccf72a42e7/bin/utaipan/data/993e93130/c1c42a70ed844356bc5c7f4eaf61b106/FLAG5834450f4 [2020-11-22 13:05:32,697 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_24950af2-6d97-4712-ae9f-c3ccf72a42e7/bin/utaipan/data/993e93130/c1c42a70ed844356bc5c7f4eaf61b106 [2020-11-22 13:05:32,699 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:05:32,700 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:05:32,704 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:05:32,704 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:05:32,707 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:05:32,708 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:05:32" (1/1) ... [2020-11-22 13:05:32,710 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bbfb49b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:32, skipping insertion in model container [2020-11-22 13:05:32,711 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:05:32" (1/1) ... [2020-11-22 13:05:32,718 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:05:32,797 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:05:33,093 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:05:33,137 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-22 13:05:33,148 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:05:33,207 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:05:33,225 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 13:05:33,334 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:05:33,386 INFO L208 MainTranslator]: Completed translation [2020-11-22 13:05:33,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:33 WrapperNode [2020-11-22 13:05:33,387 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:05:33,389 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 13:05:33,389 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 13:05:33,389 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 13:05:33,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:33" (1/1) ... [2020-11-22 13:05:33,430 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:33" (1/1) ... [2020-11-22 13:05:33,511 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 13:05:33,513 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 13:05:33,513 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 13:05:33,514 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 13:05:33,522 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:33" (1/1) ... [2020-11-22 13:05:33,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:33" (1/1) ... [2020-11-22 13:05:33,540 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:33" (1/1) ... [2020-11-22 13:05:33,544 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:33" (1/1) ... [2020-11-22 13:05:33,559 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:33" (1/1) ... [2020-11-22 13:05:33,579 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:33" (1/1) ... [2020-11-22 13:05:33,595 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:33" (1/1) ... [2020-11-22 13:05:33,599 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 13:05:33,607 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 13:05:33,607 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 13:05:33,607 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 13:05:33,608 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_24950af2-6d97-4712-ae9f-c3ccf72a42e7/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:05:33,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 13:05:33,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 13:05:33,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 13:05:33,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 13:05:36,406 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 13:05:36,406 INFO L298 CfgBuilder]: Removed 168 assume(true) statements. [2020-11-22 13:05:36,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:05:36 BoogieIcfgContainer [2020-11-22 13:05:36,408 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 13:05:36,410 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 13:05:36,410 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 13:05:36,413 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 13:05:36,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:05:32" (1/3) ... [2020-11-22 13:05:36,414 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@473888d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:05:36, skipping insertion in model container [2020-11-22 13:05:36,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:33" (2/3) ... [2020-11-22 13:05:36,415 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@473888d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:05:36, skipping insertion in model container [2020-11-22 13:05:36,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:05:36" (3/3) ... [2020-11-22 13:05:36,417 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product31.cil.c [2020-11-22 13:05:36,428 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 13:05:36,432 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-22 13:05:36,444 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-22 13:05:36,468 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 13:05:36,468 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 13:05:36,469 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 13:05:36,469 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 13:05:36,469 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 13:05:36,469 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 13:05:36,470 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 13:05:36,470 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 13:05:36,484 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states. [2020-11-22 13:05:36,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-22 13:05:36,491 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:05:36,492 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:05:36,492 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:05:36,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:05:36,498 INFO L82 PathProgramCache]: Analyzing trace with hash 1592652580, now seen corresponding path program 1 times [2020-11-22 13:05:36,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:05:36,511 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [877984477] [2020-11-22 13:05:36,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_24950af2-6d97-4712-ae9f-c3ccf72a42e7/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-22 13:05:36,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:05:36,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 13:05:36,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:05:36,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:36,797 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:05:36,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:36,803 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [877984477] [2020-11-22 13:05:36,803 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:05:36,804 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 13:05:36,804 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771493569] [2020-11-22 13:05:36,808 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 13:05:36,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:05:36,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 13:05:36,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:05:36,824 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 2 states. [2020-11-22 13:05:36,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:05:36,854 INFO L93 Difference]: Finished difference Result 218 states and 327 transitions. [2020-11-22 13:05:36,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 13:05:36,856 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-22 13:05:36,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:05:36,866 INFO L225 Difference]: With dead ends: 218 [2020-11-22 13:05:36,867 INFO L226 Difference]: Without dead ends: 107 [2020-11-22 13:05:36,870 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:05:36,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-11-22 13:05:36,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2020-11-22 13:05:36,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-11-22 13:05:36,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 154 transitions. [2020-11-22 13:05:36,912 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 154 transitions. Word has length 18 [2020-11-22 13:05:36,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:05:36,913 INFO L481 AbstractCegarLoop]: Abstraction has 107 states and 154 transitions. [2020-11-22 13:05:36,913 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 13:05:36,913 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 154 transitions. [2020-11-22 13:05:36,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-22 13:05:36,914 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:05:36,914 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:05:37,130 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 13:05:37,130 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:05:37,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:05:37,131 INFO L82 PathProgramCache]: Analyzing trace with hash 1373816611, now seen corresponding path program 1 times [2020-11-22 13:05:37,132 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:05:37,132 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [849674311] [2020-11-22 13:05:37,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_24950af2-6d97-4712-ae9f-c3ccf72a42e7/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-22 13:05:37,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:05:37,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:05:37,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:05:37,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:37,372 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:05:37,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:37,388 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [849674311] [2020-11-22 13:05:37,389 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:05:37,389 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 13:05:37,389 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807489322] [2020-11-22 13:05:37,390 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:05:37,390 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:05:37,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:05:37,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:05:37,392 INFO L87 Difference]: Start difference. First operand 107 states and 154 transitions. Second operand 4 states. [2020-11-22 13:05:37,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:05:37,416 INFO L93 Difference]: Finished difference Result 107 states and 154 transitions. [2020-11-22 13:05:37,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:05:37,417 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2020-11-22 13:05:37,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:05:37,418 INFO L225 Difference]: With dead ends: 107 [2020-11-22 13:05:37,418 INFO L226 Difference]: Without dead ends: 47 [2020-11-22 13:05:37,419 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:05:37,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-11-22 13:05:37,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2020-11-22 13:05:37,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-11-22 13:05:37,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2020-11-22 13:05:37,425 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 19 [2020-11-22 13:05:37,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:05:37,426 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2020-11-22 13:05:37,426 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:05:37,426 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2020-11-22 13:05:37,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-22 13:05:37,427 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:05:37,427 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:05:37,628 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 13:05:37,628 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:05:37,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:05:37,629 INFO L82 PathProgramCache]: Analyzing trace with hash 1244835391, now seen corresponding path program 1 times [2020-11-22 13:05:37,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:05:37,630 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1097552128] [2020-11-22 13:05:37,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_24950af2-6d97-4712-ae9f-c3ccf72a42e7/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-22 13:05:37,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:05:37,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:05:37,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:05:37,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:37,832 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:05:37,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:37,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1097552128] [2020-11-22 13:05:37,849 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:05:37,849 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2020-11-22 13:05:37,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835417228] [2020-11-22 13:05:37,850 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:05:37,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:05:37,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:05:37,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:05:37,851 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 4 states. [2020-11-22 13:05:37,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:05:37,927 INFO L93 Difference]: Finished difference Result 151 states and 223 transitions. [2020-11-22 13:05:37,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-22 13:05:37,929 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2020-11-22 13:05:37,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:05:37,931 INFO L225 Difference]: With dead ends: 151 [2020-11-22 13:05:37,931 INFO L226 Difference]: Without dead ends: 111 [2020-11-22 13:05:37,932 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:05:37,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-11-22 13:05:37,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 67. [2020-11-22 13:05:37,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-11-22 13:05:37,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 98 transitions. [2020-11-22 13:05:37,953 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 98 transitions. Word has length 24 [2020-11-22 13:05:37,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:05:37,954 INFO L481 AbstractCegarLoop]: Abstraction has 67 states and 98 transitions. [2020-11-22 13:05:37,954 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:05:37,954 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 98 transitions. [2020-11-22 13:05:37,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-22 13:05:37,955 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:05:37,955 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:05:38,156 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 13:05:38,156 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:05:38,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:05:38,157 INFO L82 PathProgramCache]: Analyzing trace with hash 1177918449, now seen corresponding path program 1 times [2020-11-22 13:05:38,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:05:38,157 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1783384853] [2020-11-22 13:05:38,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_24950af2-6d97-4712-ae9f-c3ccf72a42e7/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-22 13:05:38,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:05:38,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:05:38,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:05:38,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:38,382 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:05:38,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:38,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1783384853] [2020-11-22 13:05:38,396 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:05:38,397 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-22 13:05:38,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115355156] [2020-11-22 13:05:38,397 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:05:38,398 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:05:38,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:05:38,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 13:05:38,399 INFO L87 Difference]: Start difference. First operand 67 states and 98 transitions. Second operand 5 states. [2020-11-22 13:05:38,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:05:38,575 INFO L93 Difference]: Finished difference Result 314 states and 480 transitions. [2020-11-22 13:05:38,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-22 13:05:38,577 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-11-22 13:05:38,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:05:38,579 INFO L225 Difference]: With dead ends: 314 [2020-11-22 13:05:38,579 INFO L226 Difference]: Without dead ends: 254 [2020-11-22 13:05:38,580 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-22 13:05:38,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2020-11-22 13:05:38,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 119. [2020-11-22 13:05:38,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-11-22 13:05:38,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 174 transitions. [2020-11-22 13:05:38,601 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 174 transitions. Word has length 26 [2020-11-22 13:05:38,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:05:38,601 INFO L481 AbstractCegarLoop]: Abstraction has 119 states and 174 transitions. [2020-11-22 13:05:38,601 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:05:38,602 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 174 transitions. [2020-11-22 13:05:38,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-22 13:05:38,603 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:05:38,603 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:05:38,819 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 13:05:38,820 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:05:38,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:05:38,820 INFO L82 PathProgramCache]: Analyzing trace with hash 161824377, now seen corresponding path program 1 times [2020-11-22 13:05:38,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:05:38,821 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1098222573] [2020-11-22 13:05:38,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_24950af2-6d97-4712-ae9f-c3ccf72a42e7/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-11-22 13:05:38,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:05:38,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:05:38,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:05:39,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:39,018 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:05:39,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:39,022 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1098222573] [2020-11-22 13:05:39,022 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:05:39,022 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-22 13:05:39,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994707004] [2020-11-22 13:05:39,023 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:05:39,023 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:05:39,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:05:39,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 13:05:39,030 INFO L87 Difference]: Start difference. First operand 119 states and 174 transitions. Second operand 5 states. [2020-11-22 13:05:39,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:05:39,187 INFO L93 Difference]: Finished difference Result 315 states and 472 transitions. [2020-11-22 13:05:39,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 13:05:39,187 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-11-22 13:05:39,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:05:39,188 INFO L225 Difference]: With dead ends: 315 [2020-11-22 13:05:39,188 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 13:05:39,190 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-22 13:05:39,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 13:05:39,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 13:05:39,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 13:05:39,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 13:05:39,190 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2020-11-22 13:05:39,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:05:39,191 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 13:05:39,191 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:05:39,191 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 13:05:39,191 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 13:05:39,401 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-22 13:05:39,402 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 13:05:39,862 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:05:39,863 INFO L270 CegarLoopResult]: At program point L267(lines 262 270) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:05:39,863 INFO L270 CegarLoopResult]: At program point L267-1(lines 262 270) the Hoare annotation is: false [2020-11-22 13:05:39,863 INFO L274 CegarLoopResult]: For program point L201(lines 201 209) no Hoare annotation was computed. [2020-11-22 13:05:39,863 INFO L270 CegarLoopResult]: At program point L267-2(lines 262 270) the Hoare annotation is: false [2020-11-22 13:05:39,863 INFO L274 CegarLoopResult]: For program point L201-1(lines 201 209) no Hoare annotation was computed. [2020-11-22 13:05:39,863 INFO L274 CegarLoopResult]: For program point L201-2(lines 201 209) no Hoare annotation was computed. [2020-11-22 13:05:39,864 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-22 13:05:39,864 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-22 13:05:39,864 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-22 13:05:39,864 INFO L274 CegarLoopResult]: For program point L763(lines 763 780) no Hoare annotation was computed. [2020-11-22 13:05:39,864 INFO L270 CegarLoopResult]: At program point L763-1(lines 1 970) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:05:39,864 INFO L270 CegarLoopResult]: At program point L796-2(lines 796 810) the Hoare annotation is: false [2020-11-22 13:05:39,864 INFO L274 CegarLoopResult]: For program point L763-2(lines 763 780) no Hoare annotation was computed. [2020-11-22 13:05:39,864 INFO L270 CegarLoopResult]: At program point L763-3(lines 1 970) the Hoare annotation is: false [2020-11-22 13:05:39,865 INFO L274 CegarLoopResult]: For program point L763-4(lines 763 780) no Hoare annotation was computed. [2020-11-22 13:05:39,865 INFO L270 CegarLoopResult]: At program point L763-5(lines 1 970) the Hoare annotation is: false [2020-11-22 13:05:39,865 INFO L270 CegarLoopResult]: At program point L367(lines 1 970) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:05:39,865 INFO L274 CegarLoopResult]: For program point L797(line 797) no Hoare annotation was computed. [2020-11-22 13:05:39,865 INFO L274 CegarLoopResult]: For program point L171(lines 171 188) no Hoare annotation was computed. [2020-11-22 13:05:39,865 INFO L274 CegarLoopResult]: For program point L171-1(lines 171 188) no Hoare annotation was computed. [2020-11-22 13:05:39,865 INFO L270 CegarLoopResult]: At program point L105(lines 56 106) the Hoare annotation is: false [2020-11-22 13:05:39,865 INFO L274 CegarLoopResult]: For program point L171-2(lines 171 188) no Hoare annotation was computed. [2020-11-22 13:05:39,866 INFO L274 CegarLoopResult]: For program point L171-3(lines 171 188) no Hoare annotation was computed. [2020-11-22 13:05:39,866 INFO L274 CegarLoopResult]: For program point L171-4(lines 171 188) no Hoare annotation was computed. [2020-11-22 13:05:39,866 INFO L274 CegarLoopResult]: For program point L171-5(lines 171 188) no Hoare annotation was computed. [2020-11-22 13:05:39,866 INFO L270 CegarLoopResult]: At program point L139(lines 138 157) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:05:39,866 INFO L274 CegarLoopResult]: For program point L139-1(lines 139 145) no Hoare annotation was computed. [2020-11-22 13:05:39,866 INFO L270 CegarLoopResult]: At program point L139-2(lines 138 157) the Hoare annotation is: false [2020-11-22 13:05:39,866 INFO L270 CegarLoopResult]: At program point L139-3(lines 138 157) the Hoare annotation is: false [2020-11-22 13:05:39,867 INFO L274 CegarLoopResult]: For program point L800(lines 800 804) no Hoare annotation was computed. [2020-11-22 13:05:39,867 INFO L274 CegarLoopResult]: For program point L767(lines 767 777) no Hoare annotation was computed. [2020-11-22 13:05:39,867 INFO L274 CegarLoopResult]: For program point L800-1(lines 139 145) no Hoare annotation was computed. [2020-11-22 13:05:39,867 INFO L274 CegarLoopResult]: For program point L767-2(lines 767 777) no Hoare annotation was computed. [2020-11-22 13:05:39,867 INFO L274 CegarLoopResult]: For program point L767-4(lines 767 777) no Hoare annotation was computed. [2020-11-22 13:05:39,867 INFO L274 CegarLoopResult]: For program point L768(lines 768 774) no Hoare annotation was computed. [2020-11-22 13:05:39,867 INFO L274 CegarLoopResult]: For program point L768-2(lines 768 774) no Hoare annotation was computed. [2020-11-22 13:05:39,867 INFO L274 CegarLoopResult]: For program point L768-4(lines 768 774) no Hoare annotation was computed. [2020-11-22 13:05:39,867 INFO L270 CegarLoopResult]: At program point L967(lines 962 970) the Hoare annotation is: false [2020-11-22 13:05:39,868 INFO L270 CegarLoopResult]: At program point L967-1(lines 962 970) the Hoare annotation is: false [2020-11-22 13:05:39,868 INFO L274 CegarLoopResult]: For program point L901(lines 901 905) no Hoare annotation was computed. [2020-11-22 13:05:39,868 INFO L270 CegarLoopResult]: At program point L967-2(lines 962 970) the Hoare annotation is: false [2020-11-22 13:05:39,868 INFO L274 CegarLoopResult]: For program point L868(lines 868 875) no Hoare annotation was computed. [2020-11-22 13:05:39,868 INFO L270 CegarLoopResult]: At program point L967-3(lines 962 970) the Hoare annotation is: false [2020-11-22 13:05:39,868 INFO L270 CegarLoopResult]: At program point L967-4(lines 962 970) the Hoare annotation is: false [2020-11-22 13:05:39,868 INFO L277 CegarLoopResult]: At program point L868-1(lines 868 875) the Hoare annotation is: true [2020-11-22 13:05:39,869 INFO L270 CegarLoopResult]: At program point L967-5(lines 962 970) the Hoare annotation is: false [2020-11-22 13:05:39,869 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:05:39,869 INFO L274 CegarLoopResult]: For program point L175(lines 175 183) no Hoare annotation was computed. [2020-11-22 13:05:39,869 INFO L274 CegarLoopResult]: For program point L175-1(lines 175 183) no Hoare annotation was computed. [2020-11-22 13:05:39,869 INFO L274 CegarLoopResult]: For program point L175-2(lines 175 183) no Hoare annotation was computed. [2020-11-22 13:05:39,869 INFO L274 CegarLoopResult]: For program point L175-3(lines 175 183) no Hoare annotation was computed. [2020-11-22 13:05:39,869 INFO L274 CegarLoopResult]: For program point L175-4(lines 175 183) no Hoare annotation was computed. [2020-11-22 13:05:39,869 INFO L274 CegarLoopResult]: For program point L175-5(lines 175 183) no Hoare annotation was computed. [2020-11-22 13:05:39,870 INFO L274 CegarLoopResult]: For program point L77(lines 77 83) no Hoare annotation was computed. [2020-11-22 13:05:39,870 INFO L270 CegarLoopResult]: At program point L77-1(lines 77 83) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:05:39,870 INFO L270 CegarLoopResult]: At program point L375(lines 370 378) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:05:39,870 INFO L270 CegarLoopResult]: At program point L146(lines 146 152) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:05:39,870 INFO L270 CegarLoopResult]: At program point L146-1(lines 146 152) the Hoare annotation is: false [2020-11-22 13:05:39,870 INFO L270 CegarLoopResult]: At program point L146-2(lines 146 152) the Hoare annotation is: false [2020-11-22 13:05:39,870 INFO L277 CegarLoopResult]: At program point L877(lines 858 880) the Hoare annotation is: true [2020-11-22 13:05:39,871 INFO L270 CegarLoopResult]: At program point L844(lines 840 846) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:05:39,871 INFO L274 CegarLoopResult]: For program point L316(lines 316 320) no Hoare annotation was computed. [2020-11-22 13:05:39,871 INFO L274 CegarLoopResult]: For program point L316-2(lines 316 320) no Hoare annotation was computed. [2020-11-22 13:05:39,871 INFO L274 CegarLoopResult]: For program point L316-3(lines 316 320) no Hoare annotation was computed. [2020-11-22 13:05:39,871 INFO L274 CegarLoopResult]: For program point L316-5(lines 316 320) no Hoare annotation was computed. [2020-11-22 13:05:39,871 INFO L274 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-11-22 13:05:39,871 INFO L274 CegarLoopResult]: For program point L316-6(lines 316 320) no Hoare annotation was computed. [2020-11-22 13:05:39,871 INFO L274 CegarLoopResult]: For program point L118-1(line 118) no Hoare annotation was computed. [2020-11-22 13:05:39,871 INFO L274 CegarLoopResult]: For program point L316-8(lines 316 320) no Hoare annotation was computed. [2020-11-22 13:05:39,872 INFO L274 CegarLoopResult]: For program point L118-2(line 118) no Hoare annotation was computed. [2020-11-22 13:05:39,872 INFO L274 CegarLoopResult]: For program point L316-9(lines 316 320) no Hoare annotation was computed. [2020-11-22 13:05:39,872 INFO L274 CegarLoopResult]: For program point L316-11(lines 316 320) no Hoare annotation was computed. [2020-11-22 13:05:39,872 INFO L274 CegarLoopResult]: For program point L316-12(lines 316 320) no Hoare annotation was computed. [2020-11-22 13:05:39,872 INFO L274 CegarLoopResult]: For program point L316-14(lines 316 320) no Hoare annotation was computed. [2020-11-22 13:05:39,872 INFO L274 CegarLoopResult]: For program point L316-15(lines 316 320) no Hoare annotation was computed. [2020-11-22 13:05:39,872 INFO L274 CegarLoopResult]: For program point L316-17(lines 316 320) no Hoare annotation was computed. [2020-11-22 13:05:39,872 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 13:05:39,873 INFO L274 CegarLoopResult]: For program point L87(lines 87 100) no Hoare annotation was computed. [2020-11-22 13:05:39,873 INFO L274 CegarLoopResult]: For program point L913(lines 913 917) no Hoare annotation was computed. [2020-11-22 13:05:39,873 INFO L270 CegarLoopResult]: At program point L322(lines 307 325) the Hoare annotation is: false [2020-11-22 13:05:39,873 INFO L270 CegarLoopResult]: At program point L322-1(lines 307 325) the Hoare annotation is: false [2020-11-22 13:05:39,873 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 13:05:39,873 INFO L270 CegarLoopResult]: At program point L322-2(lines 307 325) the Hoare annotation is: false [2020-11-22 13:05:39,873 INFO L270 CegarLoopResult]: At program point L322-3(lines 307 325) the Hoare annotation is: false [2020-11-22 13:05:39,873 INFO L270 CegarLoopResult]: At program point L322-4(lines 307 325) the Hoare annotation is: false [2020-11-22 13:05:39,874 INFO L270 CegarLoopResult]: At program point L322-5(lines 307 325) the Hoare annotation is: false [2020-11-22 13:05:39,874 INFO L274 CegarLoopResult]: For program point L58(lines 57 104) no Hoare annotation was computed. [2020-11-22 13:05:39,874 INFO L270 CegarLoopResult]: At program point L752(lines 747 754) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:05:39,874 INFO L274 CegarLoopResult]: For program point L59(lines 59 63) no Hoare annotation was computed. [2020-11-22 13:05:39,874 INFO L270 CegarLoopResult]: At program point L258(lines 251 261) the Hoare annotation is: false [2020-11-22 13:05:39,874 INFO L270 CegarLoopResult]: At program point L258-1(lines 251 261) the Hoare annotation is: false [2020-11-22 13:05:39,874 INFO L270 CegarLoopResult]: At program point L258-2(lines 251 261) the Hoare annotation is: false [2020-11-22 13:05:39,875 INFO L274 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2020-11-22 13:05:39,875 INFO L270 CegarLoopResult]: At program point L93-1(lines 139 145) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:05:39,875 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-22 13:05:39,875 INFO L274 CegarLoopResult]: For program point L889(lines 889 893) no Hoare annotation was computed. [2020-11-22 13:05:39,875 INFO L274 CegarLoopResult]: For program point L889-3(lines 889 893) no Hoare annotation was computed. [2020-11-22 13:05:39,875 INFO L274 CegarLoopResult]: For program point L889-6(lines 889 893) no Hoare annotation was computed. [2020-11-22 13:05:39,875 INFO L274 CegarLoopResult]: For program point L197(lines 197 214) no Hoare annotation was computed. [2020-11-22 13:05:39,875 INFO L274 CegarLoopResult]: For program point L197-1(lines 197 214) no Hoare annotation was computed. [2020-11-22 13:05:39,875 INFO L274 CegarLoopResult]: For program point L197-2(lines 197 214) no Hoare annotation was computed. [2020-11-22 13:05:39,876 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-22 13:05:39,876 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:05:39,876 INFO L274 CegarLoopResult]: For program point L330(lines 330 336) no Hoare annotation was computed. [2020-11-22 13:05:39,880 INFO L270 CegarLoopResult]: At program point L330-1(lines 330 336) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:05:39,882 INFO L274 CegarLoopResult]: For program point L67(lines 67 73) no Hoare annotation was computed. [2020-11-22 13:05:39,882 INFO L270 CegarLoopResult]: At program point L67-1(lines 67 73) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:05:39,882 INFO L270 CegarLoopResult]: At program point L926(lines 921 929) the Hoare annotation is: false [2020-11-22 13:05:39,882 INFO L270 CegarLoopResult]: At program point L926-1(lines 921 929) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:05:39,882 INFO L270 CegarLoopResult]: At program point L926-2(lines 921 929) the Hoare annotation is: false [2020-11-22 13:05:39,882 INFO L270 CegarLoopResult]: At program point L926-3(lines 921 929) the Hoare annotation is: false [2020-11-22 13:05:39,883 INFO L270 CegarLoopResult]: At program point L926-4(lines 921 929) the Hoare annotation is: false [2020-11-22 13:05:39,883 INFO L270 CegarLoopResult]: At program point L926-5(lines 921 929) the Hoare annotation is: false [2020-11-22 13:05:39,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:05:39 BoogieIcfgContainer [2020-11-22 13:05:39,915 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 13:05:39,915 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 13:05:39,916 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 13:05:39,916 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 13:05:39,916 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:05:36" (3/4) ... [2020-11-22 13:05:39,919 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 13:05:39,945 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-22 13:05:39,946 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-22 13:05:39,947 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-22 13:05:39,948 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-22 13:05:39,950 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-22 13:05:39,952 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:05:39,952 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:05:39,984 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2020-11-22 13:05:40,107 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_24950af2-6d97-4712-ae9f-c3ccf72a42e7/bin/utaipan/witness.graphml [2020-11-22 13:05:40,108 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 13:05:40,110 INFO L168 Benchmark]: Toolchain (without parser) took 7408.37 ms. Allocated memory was 48.2 MB in the beginning and 94.4 MB in the end (delta: 46.1 MB). Free memory was 24.1 MB in the beginning and 58.8 MB in the end (delta: -34.7 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:40,110 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 48.2 MB. Free memory was 31.3 MB in the beginning and 31.3 MB in the end (delta: 31.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:05:40,111 INFO L168 Benchmark]: CACSL2BoogieTranslator took 684.09 ms. Allocated memory was 48.2 MB in the beginning and 62.9 MB in the end (delta: 14.7 MB). Free memory was 23.9 MB in the beginning and 31.7 MB in the end (delta: -7.8 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:40,112 INFO L168 Benchmark]: Boogie Procedure Inliner took 122.56 ms. Allocated memory is still 62.9 MB. Free memory was 31.7 MB in the beginning and 44.2 MB in the end (delta: -12.6 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:40,115 INFO L168 Benchmark]: Boogie Preprocessor took 86.37 ms. Allocated memory is still 62.9 MB. Free memory was 44.2 MB in the beginning and 41.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:40,116 INFO L168 Benchmark]: RCFGBuilder took 2801.95 ms. Allocated memory was 62.9 MB in the beginning and 77.6 MB in the end (delta: 14.7 MB). Free memory was 41.5 MB in the beginning and 48.1 MB in the end (delta: -6.6 MB). Peak memory consumption was 23.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:40,116 INFO L168 Benchmark]: TraceAbstraction took 3505.03 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 47.6 MB in the beginning and 68.3 MB in the end (delta: -20.7 MB). Peak memory consumption was 37.2 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:40,117 INFO L168 Benchmark]: Witness Printer took 192.30 ms. Allocated memory is still 94.4 MB. Free memory was 68.3 MB in the beginning and 58.8 MB in the end (delta: 9.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:40,120 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 48.2 MB. Free memory was 31.3 MB in the beginning and 31.3 MB in the end (delta: 31.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 684.09 ms. Allocated memory was 48.2 MB in the beginning and 62.9 MB in the end (delta: 14.7 MB). Free memory was 23.9 MB in the beginning and 31.7 MB in the end (delta: -7.8 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 122.56 ms. Allocated memory is still 62.9 MB. Free memory was 31.7 MB in the beginning and 44.2 MB in the end (delta: -12.6 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 86.37 ms. Allocated memory is still 62.9 MB. Free memory was 44.2 MB in the beginning and 41.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2801.95 ms. Allocated memory was 62.9 MB in the beginning and 77.6 MB in the end (delta: 14.7 MB). Free memory was 41.5 MB in the beginning and 48.1 MB in the end (delta: -6.6 MB). Peak memory consumption was 23.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3505.03 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 47.6 MB in the beginning and 68.3 MB in the end (delta: -20.7 MB). Peak memory consumption was 37.2 MB. Max. memory is 16.1 GB. * Witness Printer took 192.30 ms. Allocated memory is still 94.4 MB. Free memory was 68.3 MB in the beginning and 58.8 MB in the end (delta: 9.5 MB). Peak memory consumption was 10.5 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: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 840]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 370]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 330]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 114 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 451 SDtfs, 475 SDslu, 526 SDs, 0 SdLazy, 73 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 226 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=119occurred 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, 179 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 131 NumberOfFragments, 146 HoareAnnotationTreeSize, 45 FomulaSimplifications, 4062 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 45 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 218 ConstructedInterpolants, 0 QuantifiedInterpolants, 10538 SizeOfPredicates, 8 NumberOfNonLiveVariables, 990 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...