./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product16.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_e9047f06-9067-441f-9b77-1ed7215d59d8/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e9047f06-9067-441f-9b77-1ed7215d59d8/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e9047f06-9067-441f-9b77-1ed7215d59d8/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e9047f06-9067-441f-9b77-1ed7215d59d8/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e9047f06-9067-441f-9b77-1ed7215d59d8/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e9047f06-9067-441f-9b77-1ed7215d59d8/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 68aa035b1d1dd9e3f4370c219765c8518f721ed8 ............................................................................................................................................ 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_e9047f06-9067-441f-9b77-1ed7215d59d8/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e9047f06-9067-441f-9b77-1ed7215d59d8/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e9047f06-9067-441f-9b77-1ed7215d59d8/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e9047f06-9067-441f-9b77-1ed7215d59d8/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e9047f06-9067-441f-9b77-1ed7215d59d8/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e9047f06-9067-441f-9b77-1ed7215d59d8/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 68aa035b1d1dd9e3f4370c219765c8518f721ed8 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 13:01:27,315 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:01:27,317 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:01:27,380 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:01:27,380 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:01:27,385 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:01:27,387 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:01:27,407 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:01:27,409 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:01:27,410 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:01:27,411 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:01:27,413 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:01:27,415 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:01:27,422 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:01:27,424 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:01:27,425 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:01:27,428 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:01:27,430 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:01:27,433 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:01:27,438 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:01:27,439 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:01:27,445 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:01:27,446 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:01:27,447 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:01:27,450 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:01:27,451 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:01:27,451 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:01:27,452 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:01:27,452 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:01:27,453 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:01:27,454 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:01:27,454 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:01:27,455 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:01:27,456 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:01:27,464 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:01:27,465 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:01:27,466 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:01:27,466 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:01:27,466 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:01:27,467 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:01:27,467 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:01:27,471 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e9047f06-9067-441f-9b77-1ed7215d59d8/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 13:01:27,512 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:01:27,513 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:01:27,513 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:01:27,513 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:01:27,514 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:01:27,514 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:01:27,514 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:01:27,514 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:01:27,514 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:01:27,515 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:01:27,515 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:01:27,515 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:01:27,515 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:01:27,515 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:01:27,516 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:01:27,516 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:01:27,516 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:01:27,517 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:01:27,517 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:01:27,517 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:01:27,517 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:01:27,517 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:01:27,518 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:01:27,518 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:01:27,518 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:01:27,518 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:01:27,518 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:01:27,518 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:01:27,519 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:01:27,519 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:01:27,519 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:01:27,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:01:27,519 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:01:27,520 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:01:27,520 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:01:27,520 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:01:27,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:01:27,520 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:01:27,521 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:01:27,521 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:01:27,523 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_e9047f06-9067-441f-9b77-1ed7215d59d8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e9047f06-9067-441f-9b77-1ed7215d59d8/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68aa035b1d1dd9e3f4370c219765c8518f721ed8 [2020-11-22 13:01:27,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:01:27,829 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:01:27,831 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:01:27,833 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:01:27,834 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:01:27,835 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e9047f06-9067-441f-9b77-1ed7215d59d8/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c [2020-11-22 13:01:27,931 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e9047f06-9067-441f-9b77-1ed7215d59d8/bin/utaipan/data/1fea51c3a/8fd92c935f6a4ddda5f3bef0343cc99a/FLAG7a03533f3 [2020-11-22 13:01:28,424 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:01:28,424 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e9047f06-9067-441f-9b77-1ed7215d59d8/sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c [2020-11-22 13:01:28,440 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e9047f06-9067-441f-9b77-1ed7215d59d8/bin/utaipan/data/1fea51c3a/8fd92c935f6a4ddda5f3bef0343cc99a/FLAG7a03533f3 [2020-11-22 13:01:28,729 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e9047f06-9067-441f-9b77-1ed7215d59d8/bin/utaipan/data/1fea51c3a/8fd92c935f6a4ddda5f3bef0343cc99a [2020-11-22 13:01:28,731 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:01:28,732 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:01:28,743 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:01:28,743 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:01:28,747 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:01:28,747 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:01:28" (1/1) ... [2020-11-22 13:01:28,750 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@568d9066 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:28, skipping insertion in model container [2020-11-22 13:01:28,751 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:01:28" (1/1) ... [2020-11-22 13:01:28,759 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:01:28,810 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:01:29,121 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:01:29,145 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 13:01:29,146 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@43d18b5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:29, skipping insertion in model container [2020-11-22 13:01:29,146 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:01:29,146 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 13:01:29,148 INFO L168 Benchmark]: Toolchain (without parser) took 414.86 ms. Allocated memory is still 92.3 MB. Free memory was 59.8 MB in the beginning and 67.0 MB in the end (delta: -7.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:01:29,155 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 73.4 MB. Free memory was 34.0 MB in the beginning and 34.0 MB in the end (delta: 34.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:01:29,157 INFO L168 Benchmark]: CACSL2BoogieTranslator took 403.39 ms. Allocated memory is still 92.3 MB. Free memory was 59.5 MB in the beginning and 67.0 MB in the end (delta: -7.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:01:29,159 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 73.4 MB. Free memory was 34.0 MB in the beginning and 34.0 MB in the end (delta: 34.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 403.39 ms. Allocated memory is still 92.3 MB. Free memory was 59.5 MB in the beginning and 67.0 MB in the end (delta: -7.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 330]: 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 13:01:31,362 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:01:31,366 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:01:31,418 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:01:31,419 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:01:31,425 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:01:31,428 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:01:31,432 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:01:31,436 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:01:31,442 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:01:31,444 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:01:31,449 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:01:31,449 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:01:31,455 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:01:31,457 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:01:31,459 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:01:31,460 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:01:31,463 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:01:31,467 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:01:31,475 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:01:31,477 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:01:31,478 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:01:31,486 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:01:31,489 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:01:31,492 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:01:31,493 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:01:31,494 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:01:31,496 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:01:31,497 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:01:31,498 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:01:31,498 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:01:31,499 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:01:31,501 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:01:31,503 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:01:31,504 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:01:31,504 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:01:31,505 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:01:31,505 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:01:31,506 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:01:31,508 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:01:31,508 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:01:31,509 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e9047f06-9067-441f-9b77-1ed7215d59d8/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 13:01:31,576 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:01:31,576 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:01:31,578 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:01:31,578 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:01:31,578 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:01:31,579 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:01:31,579 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:01:31,579 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:01:31,580 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:01:31,581 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:01:31,582 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:01:31,583 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:01:31,583 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:01:31,583 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:01:31,583 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:01:31,584 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:01:31,584 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:01:31,584 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 13:01:31,584 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 13:01:31,586 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:01:31,587 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:01:31,592 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:01:31,592 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:01:31,592 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:01:31,593 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 13:01:31,593 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:01:31,593 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:01:31,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:01:31,593 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:01:31,594 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:01:31,594 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:01:31,594 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 13:01:31,594 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 13:01:31,594 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:01:31,595 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:01:31,595 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:01:31,595 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_e9047f06-9067-441f-9b77-1ed7215d59d8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e9047f06-9067-441f-9b77-1ed7215d59d8/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68aa035b1d1dd9e3f4370c219765c8518f721ed8 [2020-11-22 13:01:32,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:01:32,027 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:01:32,029 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:01:32,031 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:01:32,032 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:01:32,033 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e9047f06-9067-441f-9b77-1ed7215d59d8/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c [2020-11-22 13:01:32,109 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e9047f06-9067-441f-9b77-1ed7215d59d8/bin/utaipan/data/67575ddd6/7b50df6450804e8bb70bf8a6237acfc0/FLAG373bbba5b [2020-11-22 13:01:32,738 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:01:32,739 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e9047f06-9067-441f-9b77-1ed7215d59d8/sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c [2020-11-22 13:01:32,756 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e9047f06-9067-441f-9b77-1ed7215d59d8/bin/utaipan/data/67575ddd6/7b50df6450804e8bb70bf8a6237acfc0/FLAG373bbba5b [2020-11-22 13:01:33,031 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e9047f06-9067-441f-9b77-1ed7215d59d8/bin/utaipan/data/67575ddd6/7b50df6450804e8bb70bf8a6237acfc0 [2020-11-22 13:01:33,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:01:33,035 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:01:33,037 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:01:33,037 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:01:33,042 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:01:33,044 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:01:33" (1/1) ... [2020-11-22 13:01:33,046 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27074274 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:33, skipping insertion in model container [2020-11-22 13:01:33,047 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:01:33" (1/1) ... [2020-11-22 13:01:33,054 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:01:33,125 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:01:33,460 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:01:33,526 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-22 13:01:33,533 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:01:33,616 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:01:33,627 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 13:01:33,712 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:01:33,758 INFO L208 MainTranslator]: Completed translation [2020-11-22 13:01:33,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:33 WrapperNode [2020-11-22 13:01:33,759 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:01:33,761 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 13:01:33,761 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 13:01:33,761 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 13:01:33,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:33" (1/1) ... [2020-11-22 13:01:33,809 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:33" (1/1) ... [2020-11-22 13:01:33,865 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 13:01:33,865 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 13:01:33,866 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 13:01:33,866 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 13:01:33,876 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:33" (1/1) ... [2020-11-22 13:01:33,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:33" (1/1) ... [2020-11-22 13:01:33,881 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:33" (1/1) ... [2020-11-22 13:01:33,881 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:33" (1/1) ... [2020-11-22 13:01:33,907 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:33" (1/1) ... [2020-11-22 13:01:33,915 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:33" (1/1) ... [2020-11-22 13:01:33,922 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:33" (1/1) ... [2020-11-22 13:01:33,931 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 13:01:33,932 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 13:01:33,932 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 13:01:33,932 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 13:01:33,933 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e9047f06-9067-441f-9b77-1ed7215d59d8/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 13:01:34,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 13:01:34,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 13:01:34,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 13:01:34,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 13:01:36,513 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 13:01:36,513 INFO L298 CfgBuilder]: Removed 108 assume(true) statements. [2020-11-22 13:01:36,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:01:36 BoogieIcfgContainer [2020-11-22 13:01:36,515 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 13:01:36,517 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 13:01:36,518 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 13:01:36,521 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 13:01:36,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:01:33" (1/3) ... [2020-11-22 13:01:36,522 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61a911e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:01:36, skipping insertion in model container [2020-11-22 13:01:36,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:33" (2/3) ... [2020-11-22 13:01:36,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61a911e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:01:36, skipping insertion in model container [2020-11-22 13:01:36,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:01:36" (3/3) ... [2020-11-22 13:01:36,525 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product16.cil.c [2020-11-22 13:01:36,537 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 13:01:36,542 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-22 13:01:36,554 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-22 13:01:36,590 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 13:01:36,590 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 13:01:36,591 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 13:01:36,591 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 13:01:36,591 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 13:01:36,591 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 13:01:36,591 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 13:01:36,591 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 13:01:36,608 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states. [2020-11-22 13:01:36,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-22 13:01:36,614 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:01:36,615 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:01:36,615 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:01:36,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:01:36,620 INFO L82 PathProgramCache]: Analyzing trace with hash -1646836375, now seen corresponding path program 1 times [2020-11-22 13:01:36,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:01:36,633 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1940968936] [2020-11-22 13:01:36,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e9047f06-9067-441f-9b77-1ed7215d59d8/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 13:01:37,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:01:37,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 13:01:37,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:01:37,039 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 13:01:37,039 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:01:37,044 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 13:01:37,045 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1940968936] [2020-11-22 13:01:37,046 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:01:37,046 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 13:01:37,047 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749310665] [2020-11-22 13:01:37,051 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 13:01:37,052 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:01:37,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 13:01:37,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:01:37,067 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 2 states. [2020-11-22 13:01:37,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:01:37,092 INFO L93 Difference]: Finished difference Result 139 states and 206 transitions. [2020-11-22 13:01:37,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 13:01:37,094 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-22 13:01:37,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:01:37,106 INFO L225 Difference]: With dead ends: 139 [2020-11-22 13:01:37,106 INFO L226 Difference]: Without dead ends: 67 [2020-11-22 13:01:37,108 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:01:37,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-11-22 13:01:37,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2020-11-22 13:01:37,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-11-22 13:01:37,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 93 transitions. [2020-11-22 13:01:37,144 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 93 transitions. Word has length 16 [2020-11-22 13:01:37,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:01:37,144 INFO L481 AbstractCegarLoop]: Abstraction has 67 states and 93 transitions. [2020-11-22 13:01:37,144 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 13:01:37,144 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2020-11-22 13:01:37,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-22 13:01:37,146 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:01:37,146 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:01:37,367 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 13:01:37,367 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:01:37,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:01:37,371 INFO L82 PathProgramCache]: Analyzing trace with hash 395758373, now seen corresponding path program 1 times [2020-11-22 13:01:37,372 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:01:37,372 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [144042547] [2020-11-22 13:01:37,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e9047f06-9067-441f-9b77-1ed7215d59d8/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 13:01:37,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:01:37,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:01:37,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:01:37,628 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 13:01:37,628 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:01:37,640 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 13:01:37,640 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [144042547] [2020-11-22 13:01:37,640 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:01:37,640 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 13:01:37,641 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233121756] [2020-11-22 13:01:37,642 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:01:37,642 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:01:37,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:01:37,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:01:37,643 INFO L87 Difference]: Start difference. First operand 67 states and 93 transitions. Second operand 4 states. [2020-11-22 13:01:37,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:01:37,668 INFO L93 Difference]: Finished difference Result 67 states and 93 transitions. [2020-11-22 13:01:37,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:01:37,669 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-11-22 13:01:37,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:01:37,683 INFO L225 Difference]: With dead ends: 67 [2020-11-22 13:01:37,683 INFO L226 Difference]: Without dead ends: 33 [2020-11-22 13:01:37,684 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:01:37,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-11-22 13:01:37,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-11-22 13:01:37,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-11-22 13:01:37,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2020-11-22 13:01:37,690 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2020-11-22 13:01:37,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:01:37,690 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2020-11-22 13:01:37,690 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:01:37,690 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-11-22 13:01:37,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-22 13:01:37,691 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:01:37,691 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:01:37,908 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 13:01:37,908 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:01:37,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:01:37,911 INFO L82 PathProgramCache]: Analyzing trace with hash -915815930, now seen corresponding path program 1 times [2020-11-22 13:01:37,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:01:37,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [36630248] [2020-11-22 13:01:37,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e9047f06-9067-441f-9b77-1ed7215d59d8/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 13:01:38,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:01:38,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:01:38,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:01:38,121 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 13:01:38,121 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:01:38,133 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 13:01:38,133 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [36630248] [2020-11-22 13:01:38,134 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:01:38,134 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 13:01:38,134 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658562075] [2020-11-22 13:01:38,135 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:01:38,135 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:01:38,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:01:38,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:01:38,136 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 4 states. [2020-11-22 13:01:38,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:01:38,200 INFO L93 Difference]: Finished difference Result 110 states and 160 transitions. [2020-11-22 13:01:38,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-22 13:01:38,201 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-11-22 13:01:38,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:01:38,203 INFO L225 Difference]: With dead ends: 110 [2020-11-22 13:01:38,203 INFO L226 Difference]: Without dead ends: 83 [2020-11-22 13:01:38,203 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:01:38,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-11-22 13:01:38,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 52. [2020-11-22 13:01:38,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-11-22 13:01:38,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2020-11-22 13:01:38,219 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 22 [2020-11-22 13:01:38,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:01:38,219 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2020-11-22 13:01:38,219 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:01:38,219 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2020-11-22 13:01:38,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-22 13:01:38,221 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:01:38,221 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:01:38,434 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 13:01:38,434 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:01:38,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:01:38,435 INFO L82 PathProgramCache]: Analyzing trace with hash 9705803, now seen corresponding path program 1 times [2020-11-22 13:01:38,435 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:01:38,436 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [490170917] [2020-11-22 13:01:38,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e9047f06-9067-441f-9b77-1ed7215d59d8/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 13:01:38,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:01:38,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:01:38,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:01:38,664 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 13:01:38,664 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:01:38,688 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 13:01:38,689 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [490170917] [2020-11-22 13:01:38,689 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:01:38,689 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-22 13:01:38,690 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408192234] [2020-11-22 13:01:38,690 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:01:38,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:01:38,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:01:38,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 13:01:38,694 INFO L87 Difference]: Start difference. First operand 52 states and 75 transitions. Second operand 5 states. [2020-11-22 13:01:38,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:01:38,858 INFO L93 Difference]: Finished difference Result 237 states and 363 transitions. [2020-11-22 13:01:38,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-22 13:01:38,859 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-11-22 13:01:38,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:01:38,861 INFO L225 Difference]: With dead ends: 237 [2020-11-22 13:01:38,862 INFO L226 Difference]: Without dead ends: 191 [2020-11-22 13:01:38,863 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-22 13:01:38,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2020-11-22 13:01:38,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 92. [2020-11-22 13:01:38,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-11-22 13:01:38,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 133 transitions. [2020-11-22 13:01:38,887 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 133 transitions. Word has length 23 [2020-11-22 13:01:38,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:01:38,887 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 133 transitions. [2020-11-22 13:01:38,887 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:01:38,887 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 133 transitions. [2020-11-22 13:01:38,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-22 13:01:38,888 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:01:38,889 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 13:01:39,089 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 13:01:39,089 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:01:39,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:01:39,090 INFO L82 PathProgramCache]: Analyzing trace with hash 1962564181, now seen corresponding path program 1 times [2020-11-22 13:01:39,090 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:01:39,091 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [753564545] [2020-11-22 13:01:39,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e9047f06-9067-441f-9b77-1ed7215d59d8/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 13:01:39,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:01:39,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:01:39,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:01:39,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:01:39,295 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:01:39,300 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 13:01:39,300 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [753564545] [2020-11-22 13:01:39,301 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:01:39,301 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-22 13:01:39,301 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216749288] [2020-11-22 13:01:39,302 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:01:39,302 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:01:39,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:01:39,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 13:01:39,303 INFO L87 Difference]: Start difference. First operand 92 states and 133 transitions. Second operand 5 states. [2020-11-22 13:01:39,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:01:39,418 INFO L93 Difference]: Finished difference Result 282 states and 419 transitions. [2020-11-22 13:01:39,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 13:01:39,419 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-11-22 13:01:39,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:01:39,420 INFO L225 Difference]: With dead ends: 282 [2020-11-22 13:01:39,420 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 13:01:39,422 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-22 13:01:39,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 13:01:39,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 13:01:39,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 13:01:39,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 13:01:39,423 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-11-22 13:01:39,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:01:39,423 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 13:01:39,423 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:01:39,423 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 13:01:39,424 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 13:01:39,634 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-22 13:01:39,635 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 13:01:40,060 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:01:40,060 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-22 13:01:40,061 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-22 13:01:40,061 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-22 13:01:40,061 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 13:01:40,061 INFO L274 CegarLoopResult]: For program point L54(lines 54 58) no Hoare annotation was computed. [2020-11-22 13:01:40,061 INFO L274 CegarLoopResult]: For program point L54-3(lines 54 58) no Hoare annotation was computed. [2020-11-22 13:01:40,061 INFO L274 CegarLoopResult]: For program point L54-6(lines 54 58) no Hoare annotation was computed. [2020-11-22 13:01:40,062 INFO L270 CegarLoopResult]: At program point L781(lines 776 784) 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 13:01:40,062 INFO L270 CegarLoopResult]: At program point L781-1(lines 776 784) the Hoare annotation is: false [2020-11-22 13:01:40,062 INFO L274 CegarLoopResult]: For program point L715(lines 715 723) no Hoare annotation was computed. [2020-11-22 13:01:40,062 INFO L270 CegarLoopResult]: At program point L781-2(lines 776 784) the Hoare annotation is: false [2020-11-22 13:01:40,062 INFO L274 CegarLoopResult]: For program point L715-1(lines 715 723) no Hoare annotation was computed. [2020-11-22 13:01:40,062 INFO L274 CegarLoopResult]: For program point L715-2(lines 715 723) no Hoare annotation was computed. [2020-11-22 13:01:40,062 INFO L274 CegarLoopResult]: For program point L138(lines 138 151) no Hoare annotation was computed. [2020-11-22 13:01:40,062 INFO L270 CegarLoopResult]: At program point L138-1(lines 1 912) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:01:40,062 INFO L274 CegarLoopResult]: For program point L138-2(lines 138 151) no Hoare annotation was computed. [2020-11-22 13:01:40,063 INFO L270 CegarLoopResult]: At program point L138-3(lines 1 912) the Hoare annotation is: false [2020-11-22 13:01:40,063 INFO L274 CegarLoopResult]: For program point L138-4(lines 138 151) no Hoare annotation was computed. [2020-11-22 13:01:40,063 INFO L270 CegarLoopResult]: At program point L138-5(lines 1 912) the Hoare annotation is: false [2020-11-22 13:01:40,063 INFO L274 CegarLoopResult]: For program point L865(lines 865 871) no Hoare annotation was computed. [2020-11-22 13:01:40,063 INFO L270 CegarLoopResult]: At program point L865-1(lines 865 871) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:01:40,063 INFO L277 CegarLoopResult]: At program point L288(lines 269 291) the Hoare annotation is: true [2020-11-22 13:01:40,063 INFO L270 CegarLoopResult]: At program point L255(lines 251 257) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:01:40,063 INFO L270 CegarLoopResult]: At program point L189(lines 184 192) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:01:40,064 INFO L270 CegarLoopResult]: At program point L206-2(lines 206 220) the Hoare annotation is: false [2020-11-22 13:01:40,064 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 13:01:40,064 INFO L270 CegarLoopResult]: At program point L91(lines 86 94) the Hoare annotation is: false [2020-11-22 13:01:40,064 INFO L270 CegarLoopResult]: At program point L91-1(lines 86 94) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:01:40,064 INFO L270 CegarLoopResult]: At program point L91-2(lines 86 94) the Hoare annotation is: false [2020-11-22 13:01:40,064 INFO L270 CegarLoopResult]: At program point L91-3(lines 86 94) the Hoare annotation is: false [2020-11-22 13:01:40,064 INFO L270 CegarLoopResult]: At program point L91-4(lines 86 94) the Hoare annotation is: false [2020-11-22 13:01:40,064 INFO L270 CegarLoopResult]: At program point L91-5(lines 86 94) the Hoare annotation is: false [2020-11-22 13:01:40,064 INFO L274 CegarLoopResult]: For program point L207(line 207) no Hoare annotation was computed. [2020-11-22 13:01:40,065 INFO L270 CegarLoopResult]: At program point L686(lines 686 692) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:01:40,065 INFO L270 CegarLoopResult]: At program point L686-1(lines 686 692) the Hoare annotation is: false [2020-11-22 13:01:40,065 INFO L270 CegarLoopResult]: At program point L686-2(lines 686 692) the Hoare annotation is: false [2020-11-22 13:01:40,072 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:01:40,072 INFO L274 CegarLoopResult]: For program point L885(lines 885 900) no Hoare annotation was computed. [2020-11-22 13:01:40,072 INFO L274 CegarLoopResult]: For program point L142(lines 142 148) no Hoare annotation was computed. [2020-11-22 13:01:40,073 INFO L274 CegarLoopResult]: For program point L142-2(lines 142 148) no Hoare annotation was computed. [2020-11-22 13:01:40,073 INFO L274 CegarLoopResult]: For program point L142-4(lines 142 148) no Hoare annotation was computed. [2020-11-22 13:01:40,073 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-22 13:01:40,073 INFO L274 CegarLoopResult]: For program point L210(lines 210 214) no Hoare annotation was computed. [2020-11-22 13:01:40,073 INFO L274 CegarLoopResult]: For program point L210-1(lines 679 685) no Hoare annotation was computed. [2020-11-22 13:01:40,074 INFO L274 CegarLoopResult]: For program point L78(lines 78 82) no Hoare annotation was computed. [2020-11-22 13:01:40,074 INFO L270 CegarLoopResult]: At program point L772(lines 765 775) the Hoare annotation is: false [2020-11-22 13:01:40,074 INFO L270 CegarLoopResult]: At program point L772-1(lines 765 775) the Hoare annotation is: false [2020-11-22 13:01:40,074 INFO L270 CegarLoopResult]: At program point L772-2(lines 765 775) the Hoare annotation is: false [2020-11-22 13:01:40,074 INFO L270 CegarLoopResult]: At program point L905(lines 854 906) the Hoare annotation is: false [2020-11-22 13:01:40,075 INFO L274 CegarLoopResult]: For program point L856(lines 855 904) no Hoare annotation was computed. [2020-11-22 13:01:40,075 INFO L274 CegarLoopResult]: For program point L857(lines 857 861) no Hoare annotation was computed. [2020-11-22 13:01:40,075 INFO L274 CegarLoopResult]: For program point L279(lines 279 286) no Hoare annotation was computed. [2020-11-22 13:01:40,075 INFO L277 CegarLoopResult]: At program point L279-1(lines 279 286) the Hoare annotation is: true [2020-11-22 13:01:40,075 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-22 13:01:40,075 INFO L274 CegarLoopResult]: For program point L825(lines 825 831) no Hoare annotation was computed. [2020-11-22 13:01:40,076 INFO L270 CegarLoopResult]: At program point L825-1(lines 825 831) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:01:40,076 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:01:40,076 INFO L270 CegarLoopResult]: At program point L181(lines 1 912) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:01:40,076 INFO L274 CegarLoopResult]: For program point L875(lines 875 881) no Hoare annotation was computed. [2020-11-22 13:01:40,077 INFO L270 CegarLoopResult]: At program point L875-1(lines 875 881) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:01:40,077 INFO L274 CegarLoopResult]: For program point L297(line 297) no Hoare annotation was computed. [2020-11-22 13:01:40,077 INFO L274 CegarLoopResult]: For program point L297-1(line 297) no Hoare annotation was computed. [2020-11-22 13:01:40,077 INFO L274 CegarLoopResult]: For program point L297-2(line 297) no Hoare annotation was computed. [2020-11-22 13:01:40,077 INFO L274 CegarLoopResult]: For program point L66(lines 66 70) no Hoare annotation was computed. [2020-11-22 13:01:40,077 INFO L274 CegarLoopResult]: For program point L711(lines 711 728) no Hoare annotation was computed. [2020-11-22 13:01:40,078 INFO L274 CegarLoopResult]: For program point L711-1(lines 711 728) no Hoare annotation was computed. [2020-11-22 13:01:40,078 INFO L274 CegarLoopResult]: For program point L711-2(lines 711 728) no Hoare annotation was computed. [2020-11-22 13:01:40,078 INFO L274 CegarLoopResult]: For program point L893(lines 893 899) no Hoare annotation was computed. [2020-11-22 13:01:40,078 INFO L270 CegarLoopResult]: At program point L893-1(lines 679 685) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:01:40,079 INFO L270 CegarLoopResult]: At program point L679(lines 678 697) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:01:40,079 INFO L274 CegarLoopResult]: For program point L679-1(lines 679 685) no Hoare annotation was computed. [2020-11-22 13:01:40,079 INFO L270 CegarLoopResult]: At program point L679-2(lines 678 697) the Hoare annotation is: false [2020-11-22 13:01:40,081 INFO L270 CegarLoopResult]: At program point L679-3(lines 678 697) the Hoare annotation is: false [2020-11-22 13:01:40,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:01:40 BoogieIcfgContainer [2020-11-22 13:01:40,114 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 13:01:40,114 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 13:01:40,114 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 13:01:40,115 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 13:01:40,117 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:01:36" (3/4) ... [2020-11-22 13:01:40,121 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 13:01:40,154 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-22 13:01:40,155 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-22 13:01:40,156 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-22 13:01:40,157 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-22 13:01:40,158 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-22 13:01:40,159 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:01:40,160 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:01:40,197 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2020-11-22 13:01:40,267 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e9047f06-9067-441f-9b77-1ed7215d59d8/bin/utaipan/witness.graphml [2020-11-22 13:01:40,268 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 13:01:40,270 INFO L168 Benchmark]: Toolchain (without parser) took 7233.23 ms. Allocated memory was 75.5 MB in the beginning and 102.8 MB in the end (delta: 27.3 MB). Free memory was 56.5 MB in the beginning and 76.6 MB in the end (delta: -20.1 MB). Peak memory consumption was 53.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:01:40,270 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 75.5 MB. Free memory was 56.4 MB in the beginning and 56.4 MB in the end (delta: 35.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:01:40,271 INFO L168 Benchmark]: CACSL2BoogieTranslator took 722.71 ms. Allocated memory is still 75.5 MB. Free memory was 56.2 MB in the beginning and 44.0 MB in the end (delta: 12.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-22 13:01:40,272 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.07 ms. Allocated memory is still 75.5 MB. Free memory was 44.0 MB in the beginning and 40.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-22 13:01:40,272 INFO L168 Benchmark]: Boogie Preprocessor took 65.41 ms. Allocated memory is still 75.5 MB. Free memory was 40.9 MB in the beginning and 38.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:01:40,272 INFO L168 Benchmark]: RCFGBuilder took 2583.98 ms. Allocated memory was 75.5 MB in the beginning and 102.8 MB in the end (delta: 27.3 MB). Free memory was 38.8 MB in the beginning and 56.9 MB in the end (delta: -18.1 MB). Peak memory consumption was 12.8 MB. Max. memory is 16.1 GB. [2020-11-22 13:01:40,273 INFO L168 Benchmark]: TraceAbstraction took 3596.34 ms. Allocated memory is still 102.8 MB. Free memory was 56.9 MB in the beginning and 31.8 MB in the end (delta: 25.1 MB). Peak memory consumption was 24.3 MB. Max. memory is 16.1 GB. [2020-11-22 13:01:40,273 INFO L168 Benchmark]: Witness Printer took 153.43 ms. Allocated memory is still 102.8 MB. Free memory was 31.8 MB in the beginning and 76.6 MB in the end (delta: -44.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:01:40,276 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 75.5 MB. Free memory was 56.4 MB in the beginning and 56.4 MB in the end (delta: 35.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 722.71 ms. Allocated memory is still 75.5 MB. Free memory was 56.2 MB in the beginning and 44.0 MB in the end (delta: 12.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 104.07 ms. Allocated memory is still 75.5 MB. Free memory was 44.0 MB in the beginning and 40.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 65.41 ms. Allocated memory is still 75.5 MB. Free memory was 40.9 MB in the beginning and 38.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2583.98 ms. Allocated memory was 75.5 MB in the beginning and 102.8 MB in the end (delta: 27.3 MB). Free memory was 38.8 MB in the beginning and 56.9 MB in the end (delta: -18.1 MB). Peak memory consumption was 12.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3596.34 ms. Allocated memory is still 102.8 MB. Free memory was 56.9 MB in the beginning and 31.8 MB in the end (delta: 25.1 MB). Peak memory consumption was 24.3 MB. Max. memory is 16.1 GB. * Witness Printer took 153.43 ms. Allocated memory is still 102.8 MB. Free memory was 31.8 MB in the beginning and 76.6 MB in the end (delta: -44.8 MB). Peak memory consumption was 2.1 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: 86]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 875]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 269]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 74 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 308 SDtfs, 405 SDslu, 359 SDs, 0 SdLazy, 64 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 202 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 130 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 118 NumberOfFragments, 122 HoareAnnotationTreeSize, 32 FomulaSimplifications, 4062 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 194 ConstructedInterpolants, 0 QuantifiedInterpolants, 6608 SizeOfPredicates, 8 NumberOfNonLiveVariables, 976 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...