./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product05.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_94f1b6b2-c8ad-46b0-a1c0-33f8ad2adfdc/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_94f1b6b2-c8ad-46b0-a1c0-33f8ad2adfdc/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_94f1b6b2-c8ad-46b0-a1c0-33f8ad2adfdc/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_94f1b6b2-c8ad-46b0-a1c0-33f8ad2adfdc/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product05.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_94f1b6b2-c8ad-46b0-a1c0-33f8ad2adfdc/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_94f1b6b2-c8ad-46b0-a1c0-33f8ad2adfdc/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 317a8f7f0ef35cb6895b3b81bb79fb4d1e43529f ............................................................................................................................................ 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_94f1b6b2-c8ad-46b0-a1c0-33f8ad2adfdc/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_94f1b6b2-c8ad-46b0-a1c0-33f8ad2adfdc/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_94f1b6b2-c8ad-46b0-a1c0-33f8ad2adfdc/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_94f1b6b2-c8ad-46b0-a1c0-33f8ad2adfdc/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product05.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_94f1b6b2-c8ad-46b0-a1c0-33f8ad2adfdc/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_94f1b6b2-c8ad-46b0-a1c0-33f8ad2adfdc/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 317a8f7f0ef35cb6895b3b81bb79fb4d1e43529f ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 13:03:40,394 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:03:40,396 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:03:40,448 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:03:40,463 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:03:40,465 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:03:40,481 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:03:40,489 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:03:40,491 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:03:40,492 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:03:40,493 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:03:40,499 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:03:40,499 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:03:40,507 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:03:40,508 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:03:40,510 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:03:40,511 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:03:40,512 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:03:40,514 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:03:40,516 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:03:40,521 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:03:40,523 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:03:40,526 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:03:40,527 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:03:40,539 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:03:40,539 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:03:40,539 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:03:40,542 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:03:40,542 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:03:40,543 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:03:40,544 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:03:40,545 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:03:40,547 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:03:40,548 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:03:40,549 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:03:40,549 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:03:40,550 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:03:40,550 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:03:40,551 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:03:40,552 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:03:40,552 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:03:40,555 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_94f1b6b2-c8ad-46b0-a1c0-33f8ad2adfdc/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 13:03:40,602 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:03:40,602 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:03:40,603 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:03:40,603 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:03:40,603 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:03:40,603 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:03:40,604 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:03:40,604 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:03:40,604 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:03:40,604 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:03:40,604 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:03:40,610 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:03:40,610 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:03:40,610 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:03:40,610 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:03:40,611 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:03:40,611 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:03:40,611 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:03:40,612 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:03:40,612 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:03:40,612 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:03:40,612 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:03:40,612 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:03:40,613 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:03:40,613 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:03:40,613 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:03:40,613 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:03:40,613 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:03:40,614 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:03:40,614 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:03:40,614 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:03:40,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:03:40,614 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:03:40,615 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:03:40,615 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:03:40,615 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:03:40,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:03:40,615 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:03:40,615 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:03:40,616 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:03:40,616 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_94f1b6b2-c8ad-46b0-a1c0-33f8ad2adfdc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_94f1b6b2-c8ad-46b0-a1c0-33f8ad2adfdc/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 317a8f7f0ef35cb6895b3b81bb79fb4d1e43529f [2020-11-22 13:03:40,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:03:40,904 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:03:40,909 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:03:40,910 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:03:40,911 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:03:40,912 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_94f1b6b2-c8ad-46b0-a1c0-33f8ad2adfdc/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product05.cil.c [2020-11-22 13:03:40,985 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_94f1b6b2-c8ad-46b0-a1c0-33f8ad2adfdc/bin/utaipan/data/9af04ec84/e7429d3387574377915c988ccf5f4ded/FLAG2e907097d [2020-11-22 13:03:41,494 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:03:41,495 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_94f1b6b2-c8ad-46b0-a1c0-33f8ad2adfdc/sv-benchmarks/c/product-lines/minepump_spec2_product05.cil.c [2020-11-22 13:03:41,507 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_94f1b6b2-c8ad-46b0-a1c0-33f8ad2adfdc/bin/utaipan/data/9af04ec84/e7429d3387574377915c988ccf5f4ded/FLAG2e907097d [2020-11-22 13:03:41,813 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_94f1b6b2-c8ad-46b0-a1c0-33f8ad2adfdc/bin/utaipan/data/9af04ec84/e7429d3387574377915c988ccf5f4ded [2020-11-22 13:03:41,815 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:03:41,816 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:03:41,818 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:03:41,818 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:03:41,821 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:03:41,822 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:03:41" (1/1) ... [2020-11-22 13:03:41,824 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bdff354 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:03:41, skipping insertion in model container [2020-11-22 13:03:41,824 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:03:41" (1/1) ... [2020-11-22 13:03:41,831 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:03:41,896 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:03:42,175 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:03:42,186 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 13:03:42,187 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3054fd07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:03:42, skipping insertion in model container [2020-11-22 13:03:42,187 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:03:42,187 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 13:03:42,190 INFO L168 Benchmark]: Toolchain (without parser) took 371.88 ms. Allocated memory was 100.7 MB in the beginning and 142.6 MB in the end (delta: 41.9 MB). Free memory was 73.6 MB in the beginning and 116.3 MB in the end (delta: -42.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:03:42,191 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 100.7 MB. Free memory is still 57.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:03:42,192 INFO L168 Benchmark]: CACSL2BoogieTranslator took 369.57 ms. Allocated memory was 100.7 MB in the beginning and 142.6 MB in the end (delta: 41.9 MB). Free memory was 73.6 MB in the beginning and 116.3 MB in the end (delta: -42.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:03:42,194 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 100.7 MB. Free memory is still 57.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 369.57 ms. Allocated memory was 100.7 MB in the beginning and 142.6 MB in the end (delta: 41.9 MB). Free memory was 73.6 MB in the beginning and 116.3 MB in the end (delta: -42.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 545]: 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 13:03:44,367 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:03:44,371 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:03:44,420 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:03:44,421 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:03:44,426 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:03:44,430 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:03:44,434 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:03:44,437 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:03:44,445 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:03:44,447 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:03:44,452 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:03:44,452 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:03:44,474 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:03:44,476 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:03:44,477 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:03:44,479 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:03:44,481 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:03:44,486 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:03:44,490 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:03:44,496 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:03:44,498 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:03:44,499 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:03:44,501 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:03:44,507 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:03:44,508 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:03:44,508 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:03:44,510 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:03:44,511 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:03:44,512 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:03:44,513 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:03:44,513 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:03:44,515 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:03:44,516 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:03:44,517 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:03:44,518 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:03:44,518 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:03:44,519 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:03:44,519 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:03:44,521 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:03:44,522 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:03:44,522 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_94f1b6b2-c8ad-46b0-a1c0-33f8ad2adfdc/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 13:03:44,565 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:03:44,566 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:03:44,568 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:03:44,568 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:03:44,568 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:03:44,568 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:03:44,569 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:03:44,569 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:03:44,569 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:03:44,570 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:03:44,571 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:03:44,572 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:03:44,572 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:03:44,572 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:03:44,572 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:03:44,573 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:03:44,573 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:03:44,573 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 13:03:44,573 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 13:03:44,574 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:03:44,574 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:03:44,574 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:03:44,574 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:03:44,574 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:03:44,575 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 13:03:44,575 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:03:44,575 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:03:44,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:03:44,576 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:03:44,576 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:03:44,576 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:03:44,576 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 13:03:44,577 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 13:03:44,577 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:03:44,577 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:03:44,577 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:03:44,578 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_94f1b6b2-c8ad-46b0-a1c0-33f8ad2adfdc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_94f1b6b2-c8ad-46b0-a1c0-33f8ad2adfdc/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 317a8f7f0ef35cb6895b3b81bb79fb4d1e43529f [2020-11-22 13:03:44,943 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:03:44,983 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:03:44,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:03:44,987 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:03:44,988 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:03:44,989 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_94f1b6b2-c8ad-46b0-a1c0-33f8ad2adfdc/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product05.cil.c [2020-11-22 13:03:45,071 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_94f1b6b2-c8ad-46b0-a1c0-33f8ad2adfdc/bin/utaipan/data/f2ee91dc3/9e2553c365424dcf952232f352f0465f/FLAGd3bf832bb [2020-11-22 13:03:45,762 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:03:45,762 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_94f1b6b2-c8ad-46b0-a1c0-33f8ad2adfdc/sv-benchmarks/c/product-lines/minepump_spec2_product05.cil.c [2020-11-22 13:03:45,775 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_94f1b6b2-c8ad-46b0-a1c0-33f8ad2adfdc/bin/utaipan/data/f2ee91dc3/9e2553c365424dcf952232f352f0465f/FLAGd3bf832bb [2020-11-22 13:03:45,792 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_94f1b6b2-c8ad-46b0-a1c0-33f8ad2adfdc/bin/utaipan/data/f2ee91dc3/9e2553c365424dcf952232f352f0465f [2020-11-22 13:03:45,795 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:03:45,797 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:03:45,799 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:03:45,799 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:03:45,803 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:03:45,803 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:03:45" (1/1) ... [2020-11-22 13:03:45,809 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1867294f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:03:45, skipping insertion in model container [2020-11-22 13:03:45,810 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:03:45" (1/1) ... [2020-11-22 13:03:45,817 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:03:45,876 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:03:46,284 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:03:46,305 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-22 13:03:46,323 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:03:46,420 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:03:46,429 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 13:03:46,495 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:03:46,528 INFO L208 MainTranslator]: Completed translation [2020-11-22 13:03:46,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:03:46 WrapperNode [2020-11-22 13:03:46,529 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:03:46,530 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 13:03:46,530 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 13:03:46,531 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 13:03:46,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:03:46" (1/1) ... [2020-11-22 13:03:46,575 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:03:46" (1/1) ... [2020-11-22 13:03:46,610 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 13:03:46,611 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 13:03:46,611 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 13:03:46,611 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 13:03:46,628 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:03:46" (1/1) ... [2020-11-22 13:03:46,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:03:46" (1/1) ... [2020-11-22 13:03:46,638 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:03:46" (1/1) ... [2020-11-22 13:03:46,638 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:03:46" (1/1) ... [2020-11-22 13:03:46,665 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:03:46" (1/1) ... [2020-11-22 13:03:46,671 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:03:46" (1/1) ... [2020-11-22 13:03:46,674 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:03:46" (1/1) ... [2020-11-22 13:03:46,678 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 13:03:46,679 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 13:03:46,679 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 13:03:46,679 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 13:03:46,680 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:03:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_94f1b6b2-c8ad-46b0-a1c0-33f8ad2adfdc/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 13:03:46,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 13:03:46,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 13:03:46,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 13:03:46,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 13:03:48,811 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 13:03:48,811 INFO L298 CfgBuilder]: Removed 104 assume(true) statements. [2020-11-22 13:03:48,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:03:48 BoogieIcfgContainer [2020-11-22 13:03:48,813 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 13:03:48,817 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 13:03:48,817 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 13:03:48,820 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 13:03:48,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:03:45" (1/3) ... [2020-11-22 13:03:48,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c29afdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:03:48, skipping insertion in model container [2020-11-22 13:03:48,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:03:46" (2/3) ... [2020-11-22 13:03:48,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c29afdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:03:48, skipping insertion in model container [2020-11-22 13:03:48,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:03:48" (3/3) ... [2020-11-22 13:03:48,822 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product05.cil.c [2020-11-22 13:03:48,833 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 13:03:48,837 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-22 13:03:48,847 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-22 13:03:48,878 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 13:03:48,879 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 13:03:48,879 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 13:03:48,879 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 13:03:48,879 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 13:03:48,879 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 13:03:48,879 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 13:03:48,879 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 13:03:48,895 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states. [2020-11-22 13:03:48,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-22 13:03:48,901 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:03:48,902 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 13:03:48,902 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:03:48,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:03:48,908 INFO L82 PathProgramCache]: Analyzing trace with hash -640056572, now seen corresponding path program 1 times [2020-11-22 13:03:48,923 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:03:48,924 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [331511162] [2020-11-22 13:03:48,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_94f1b6b2-c8ad-46b0-a1c0-33f8ad2adfdc/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 13:03:49,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:03:49,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 13:03:49,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:03:49,231 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 13:03:49,231 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:03:49,243 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 13:03:49,243 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [331511162] [2020-11-22 13:03:49,244 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:03:49,244 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 13:03:49,245 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201101501] [2020-11-22 13:03:49,248 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 13:03:49,248 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:03:49,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 13:03:49,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:03:49,262 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 2 states. [2020-11-22 13:03:49,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:03:49,286 INFO L93 Difference]: Finished difference Result 142 states and 213 transitions. [2020-11-22 13:03:49,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 13:03:49,287 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-22 13:03:49,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:03:49,306 INFO L225 Difference]: With dead ends: 142 [2020-11-22 13:03:49,307 INFO L226 Difference]: Without dead ends: 69 [2020-11-22 13:03:49,310 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 13:03:49,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-11-22 13:03:49,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2020-11-22 13:03:49,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-11-22 13:03:49,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 97 transitions. [2020-11-22 13:03:49,360 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 97 transitions. Word has length 18 [2020-11-22 13:03:49,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:03:49,360 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 97 transitions. [2020-11-22 13:03:49,360 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 13:03:49,361 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 97 transitions. [2020-11-22 13:03:49,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-22 13:03:49,362 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:03:49,362 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 13:03:49,582 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 13:03:49,582 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:03:49,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:03:49,583 INFO L82 PathProgramCache]: Analyzing trace with hash -858892541, now seen corresponding path program 1 times [2020-11-22 13:03:49,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:03:49,584 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [225753718] [2020-11-22 13:03:49,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_94f1b6b2-c8ad-46b0-a1c0-33f8ad2adfdc/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 13:03:49,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:03:49,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:03:49,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:03:49,786 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 13:03:49,786 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:03:49,796 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 13:03:49,796 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [225753718] [2020-11-22 13:03:49,796 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:03:49,797 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 13:03:49,797 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671802888] [2020-11-22 13:03:49,798 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:03:49,798 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:03:49,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:03:49,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:03:49,799 INFO L87 Difference]: Start difference. First operand 69 states and 97 transitions. Second operand 4 states. [2020-11-22 13:03:49,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:03:49,816 INFO L93 Difference]: Finished difference Result 69 states and 97 transitions. [2020-11-22 13:03:49,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:03:49,817 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2020-11-22 13:03:49,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:03:49,819 INFO L225 Difference]: With dead ends: 69 [2020-11-22 13:03:49,820 INFO L226 Difference]: Without dead ends: 33 [2020-11-22 13:03:49,821 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 13:03:49,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-11-22 13:03:49,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-11-22 13:03:49,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-11-22 13:03:49,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2020-11-22 13:03:49,829 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 19 [2020-11-22 13:03:49,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:03:49,832 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2020-11-22 13:03:49,832 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:03:49,832 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-11-22 13:03:49,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-22 13:03:49,834 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:03:49,834 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 13:03:50,046 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 13:03:50,047 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:03:50,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:03:50,048 INFO L82 PathProgramCache]: Analyzing trace with hash 1287067830, now seen corresponding path program 1 times [2020-11-22 13:03:50,049 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:03:50,049 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1533139099] [2020-11-22 13:03:50,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_94f1b6b2-c8ad-46b0-a1c0-33f8ad2adfdc/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 13:03:50,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:03:50,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:03:50,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:03:50,242 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 13:03:50,242 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:03:50,259 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 13:03:50,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1533139099] [2020-11-22 13:03:50,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:03:50,260 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2020-11-22 13:03:50,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683123662] [2020-11-22 13:03:50,260 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:03:50,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:03:50,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:03:50,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:03:50,262 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 4 states. [2020-11-22 13:03:50,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:03:50,271 INFO L93 Difference]: Finished difference Result 59 states and 85 transitions. [2020-11-22 13:03:50,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:03:50,271 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2020-11-22 13:03:50,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:03:50,272 INFO L225 Difference]: With dead ends: 59 [2020-11-22 13:03:50,272 INFO L226 Difference]: Without dead ends: 33 [2020-11-22 13:03:50,273 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 13:03:50,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-11-22 13:03:50,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-11-22 13:03:50,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-11-22 13:03:50,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2020-11-22 13:03:50,278 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 24 [2020-11-22 13:03:50,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:03:50,279 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2020-11-22 13:03:50,279 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:03:50,279 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2020-11-22 13:03:50,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-22 13:03:50,280 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:03:50,280 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:03:50,480 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 13:03:50,481 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:03:50,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:03:50,481 INFO L82 PathProgramCache]: Analyzing trace with hash 1176085081, now seen corresponding path program 1 times [2020-11-22 13:03:50,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:03:50,482 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [153713665] [2020-11-22 13:03:50,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_94f1b6b2-c8ad-46b0-a1c0-33f8ad2adfdc/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 13:03:50,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:03:50,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:03:50,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:03:50,711 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 13:03:50,711 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:03:50,732 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 13:03:50,733 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [153713665] [2020-11-22 13:03:50,733 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:03:50,733 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-22 13:03:50,733 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682834945] [2020-11-22 13:03:50,734 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:03:50,735 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:03:50,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:03:50,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 13:03:50,737 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 5 states. [2020-11-22 13:03:51,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:03:51,023 INFO L93 Difference]: Finished difference Result 135 states and 200 transitions. [2020-11-22 13:03:51,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-22 13:03:51,024 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-11-22 13:03:51,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:03:51,025 INFO L225 Difference]: With dead ends: 135 [2020-11-22 13:03:51,025 INFO L226 Difference]: Without dead ends: 109 [2020-11-22 13:03:51,026 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 45 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 13:03:51,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-11-22 13:03:51,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 54. [2020-11-22 13:03:51,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-11-22 13:03:51,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 75 transitions. [2020-11-22 13:03:51,036 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 75 transitions. Word has length 25 [2020-11-22 13:03:51,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:03:51,037 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 75 transitions. [2020-11-22 13:03:51,037 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:03:51,037 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 75 transitions. [2020-11-22 13:03:51,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-22 13:03:51,038 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:03:51,038 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 13:03:51,254 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 13:03:51,255 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:03:51,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:03:51,255 INFO L82 PathProgramCache]: Analyzing trace with hash 1281855185, now seen corresponding path program 1 times [2020-11-22 13:03:51,256 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:03:51,256 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [782467659] [2020-11-22 13:03:51,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_94f1b6b2-c8ad-46b0-a1c0-33f8ad2adfdc/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 13:03:51,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:03:51,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:03:51,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:03:51,471 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 13:03:51,471 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:03:51,476 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 13:03:51,476 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [782467659] [2020-11-22 13:03:51,477 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:03:51,477 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-22 13:03:51,477 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402219675] [2020-11-22 13:03:51,477 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:03:51,477 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:03:51,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:03:51,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 13:03:51,478 INFO L87 Difference]: Start difference. First operand 54 states and 75 transitions. Second operand 5 states. [2020-11-22 13:03:51,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:03:51,555 INFO L93 Difference]: Finished difference Result 146 states and 212 transitions. [2020-11-22 13:03:51,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 13:03:51,555 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-11-22 13:03:51,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:03:51,556 INFO L225 Difference]: With dead ends: 146 [2020-11-22 13:03:51,556 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 13:03:51,557 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-22 13:03:51,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 13:03:51,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 13:03:51,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 13:03:51,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 13:03:51,558 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2020-11-22 13:03:51,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:03:51,558 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 13:03:51,558 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:03:51,558 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 13:03:51,558 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 13:03:51,758 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-22 13:03:51,760 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 13:03:52,318 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:03:52,318 INFO L274 CegarLoopResult]: For program point L201(lines 200 245) no Hoare annotation was computed. [2020-11-22 13:03:52,318 INFO L274 CegarLoopResult]: For program point L168(lines 168 185) no Hoare annotation was computed. [2020-11-22 13:03:52,318 INFO L270 CegarLoopResult]: At program point L168-1(lines 1 881) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:03:52,318 INFO L274 CegarLoopResult]: For program point L168-2(lines 168 185) no Hoare annotation was computed. [2020-11-22 13:03:52,318 INFO L270 CegarLoopResult]: At program point L168-3(lines 1 881) the Hoare annotation is: false [2020-11-22 13:03:52,319 INFO L274 CegarLoopResult]: For program point L168-4(lines 168 185) no Hoare annotation was computed. [2020-11-22 13:03:52,319 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-22 13:03:52,319 INFO L270 CegarLoopResult]: At program point L168-5(lines 1 881) the Hoare annotation is: false [2020-11-22 13:03:52,319 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-22 13:03:52,319 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-22 13:03:52,319 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 13:03:52,319 INFO L274 CegarLoopResult]: For program point L202(lines 202 206) no Hoare annotation was computed. [2020-11-22 13:03:52,319 INFO L270 CegarLoopResult]: At program point L351(lines 346 354) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:03:52,319 INFO L270 CegarLoopResult]: At program point L351-1(lines 346 354) the Hoare annotation is: false [2020-11-22 13:03:52,319 INFO L270 CegarLoopResult]: At program point L351-2(lines 346 354) the Hoare annotation is: false [2020-11-22 13:03:52,319 INFO L270 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2020-11-22 13:03:52,319 INFO L274 CegarLoopResult]: For program point L434(lines 434 438) no Hoare annotation was computed. [2020-11-22 13:03:52,320 INFO L274 CegarLoopResult]: For program point L434-3(lines 434 438) no Hoare annotation was computed. [2020-11-22 13:03:52,320 INFO L274 CegarLoopResult]: For program point L302(lines 302 310) no Hoare annotation was computed. [2020-11-22 13:03:52,320 INFO L274 CegarLoopResult]: For program point L302-1(lines 302 310) no Hoare annotation was computed. [2020-11-22 13:03:52,320 INFO L274 CegarLoopResult]: For program point L236(lines 236 240) no Hoare annotation was computed. [2020-11-22 13:03:52,320 INFO L274 CegarLoopResult]: For program point L434-6(lines 434 438) no Hoare annotation was computed. [2020-11-22 13:03:52,320 INFO L274 CegarLoopResult]: For program point L302-2(lines 302 310) no Hoare annotation was computed. [2020-11-22 13:03:52,320 INFO L274 CegarLoopResult]: For program point L236-2(lines 266 272) no Hoare annotation was computed. [2020-11-22 13:03:52,320 INFO L274 CegarLoopResult]: For program point L220(lines 220 226) no Hoare annotation was computed. [2020-11-22 13:03:52,320 INFO L270 CegarLoopResult]: At program point L220-1(lines 220 226) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:03:52,320 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-11-22 13:03:52,320 INFO L270 CegarLoopResult]: At program point L105(lines 101 107) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:03:52,320 INFO L274 CegarLoopResult]: For program point L172(lines 172 182) no Hoare annotation was computed. [2020-11-22 13:03:52,321 INFO L274 CegarLoopResult]: For program point L172-2(lines 172 182) no Hoare annotation was computed. [2020-11-22 13:03:52,321 INFO L274 CegarLoopResult]: For program point L172-4(lines 172 182) no Hoare annotation was computed. [2020-11-22 13:03:52,321 INFO L274 CegarLoopResult]: For program point L173(lines 173 179) no Hoare annotation was computed. [2020-11-22 13:03:52,321 INFO L274 CegarLoopResult]: For program point L173-2(lines 173 179) no Hoare annotation was computed. [2020-11-22 13:03:52,321 INFO L274 CegarLoopResult]: For program point L173-4(lines 173 179) no Hoare annotation was computed. [2020-11-22 13:03:52,321 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 13:03:52,321 INFO L270 CegarLoopResult]: At program point L157(lines 152 159) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:03:52,321 INFO L274 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-11-22 13:03:52,321 INFO L274 CegarLoopResult]: For program point L58-1(lines 266 272) no Hoare annotation was computed. [2020-11-22 13:03:52,321 INFO L270 CegarLoopResult]: At program point L471(lines 466 474) the Hoare annotation is: false [2020-11-22 13:03:52,321 INFO L270 CegarLoopResult]: At program point L471-1(lines 466 474) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:03:52,321 INFO L270 CegarLoopResult]: At program point L471-2(lines 466 474) the Hoare annotation is: false [2020-11-22 13:03:52,321 INFO L270 CegarLoopResult]: At program point L471-3(lines 466 474) the Hoare annotation is: false [2020-11-22 13:03:52,322 INFO L270 CegarLoopResult]: At program point L471-4(lines 466 474) the Hoare annotation is: false [2020-11-22 13:03:52,322 INFO L270 CegarLoopResult]: At program point L471-5(lines 466 474) the Hoare annotation is: false [2020-11-22 13:03:52,322 INFO L270 CegarLoopResult]: At program point L273(lines 273 279) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:03:52,322 INFO L270 CegarLoopResult]: At program point L273-1(lines 273 279) the Hoare annotation is: false [2020-11-22 13:03:52,322 INFO L270 CegarLoopResult]: At program point L273-2(lines 273 279) the Hoare annotation is: false [2020-11-22 13:03:52,322 INFO L270 CegarLoopResult]: At program point L422(lines 417 425) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:03:52,322 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:03:52,322 INFO L277 CegarLoopResult]: At program point L143(lines 124 146) the Hoare annotation is: true [2020-11-22 13:03:52,322 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-22 13:03:52,322 INFO L270 CegarLoopResult]: At program point L342(lines 335 345) the Hoare annotation is: false [2020-11-22 13:03:52,322 INFO L270 CegarLoopResult]: At program point L342-1(lines 335 345) the Hoare annotation is: false [2020-11-22 13:03:52,323 INFO L270 CegarLoopResult]: At program point L342-2(lines 335 345) the Hoare annotation is: false [2020-11-22 13:03:52,323 INFO L274 CegarLoopResult]: For program point L210(lines 210 216) no Hoare annotation was computed. [2020-11-22 13:03:52,323 INFO L270 CegarLoopResult]: At program point L210-1(lines 210 216) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:03:52,323 INFO L274 CegarLoopResult]: For program point L458(lines 458 462) no Hoare annotation was computed. [2020-11-22 13:03:52,323 INFO L270 CegarLoopResult]: At program point L246(lines 199 247) the Hoare annotation is: false [2020-11-22 13:03:52,323 INFO L274 CegarLoopResult]: For program point L230(lines 230 241) no Hoare annotation was computed. [2020-11-22 13:03:52,323 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-22 13:03:52,323 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:03:52,323 INFO L274 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-11-22 13:03:52,323 INFO L274 CegarLoopResult]: For program point L512-1(line 512) no Hoare annotation was computed. [2020-11-22 13:03:52,323 INFO L274 CegarLoopResult]: For program point L446(lines 446 450) no Hoare annotation was computed. [2020-11-22 13:03:52,323 INFO L274 CegarLoopResult]: For program point L512-2(line 512) no Hoare annotation was computed. [2020-11-22 13:03:52,324 INFO L274 CegarLoopResult]: For program point L298(lines 298 315) no Hoare annotation was computed. [2020-11-22 13:03:52,324 INFO L274 CegarLoopResult]: For program point L298-1(lines 298 315) no Hoare annotation was computed. [2020-11-22 13:03:52,324 INFO L274 CegarLoopResult]: For program point L298-2(lines 298 315) no Hoare annotation was computed. [2020-11-22 13:03:52,324 INFO L270 CegarLoopResult]: At program point L414(lines 1 881) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:03:52,324 INFO L270 CegarLoopResult]: At program point L266(lines 265 284) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:03:52,324 INFO L274 CegarLoopResult]: For program point L266-1(lines 266 272) no Hoare annotation was computed. [2020-11-22 13:03:52,324 INFO L270 CegarLoopResult]: At program point L266-2(lines 265 284) the Hoare annotation is: false [2020-11-22 13:03:52,324 INFO L270 CegarLoopResult]: At program point L266-3(lines 265 284) the Hoare annotation is: false [2020-11-22 13:03:52,324 INFO L274 CegarLoopResult]: For program point L134(lines 134 141) no Hoare annotation was computed. [2020-11-22 13:03:52,324 INFO L277 CegarLoopResult]: At program point L134-1(lines 134 141) the Hoare annotation is: true [2020-11-22 13:03:52,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:03:52 BoogieIcfgContainer [2020-11-22 13:03:52,345 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 13:03:52,345 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 13:03:52,345 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 13:03:52,345 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 13:03:52,346 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:03:48" (3/4) ... [2020-11-22 13:03:52,349 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 13:03:52,362 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-22 13:03:52,363 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-22 13:03:52,363 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-22 13:03:52,364 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-22 13:03:52,365 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-22 13:03:52,365 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:03:52,366 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:03:52,392 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2020-11-22 13:03:52,451 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_94f1b6b2-c8ad-46b0-a1c0-33f8ad2adfdc/bin/utaipan/witness.graphml [2020-11-22 13:03:52,451 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 13:03:52,453 INFO L168 Benchmark]: Toolchain (without parser) took 6655.35 ms. Allocated memory was 60.8 MB in the beginning and 109.1 MB in the end (delta: 48.2 MB). Free memory was 40.2 MB in the beginning and 77.6 MB in the end (delta: -37.4 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:03:52,453 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 60.8 MB. Free memory is still 42.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:03:52,454 INFO L168 Benchmark]: CACSL2BoogieTranslator took 730.81 ms. Allocated memory is still 60.8 MB. Free memory was 40.1 MB in the beginning and 26.9 MB in the end (delta: 13.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-22 13:03:52,455 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.98 ms. Allocated memory was 60.8 MB in the beginning and 90.2 MB in the end (delta: 29.4 MB). Free memory was 26.7 MB in the beginning and 70.9 MB in the end (delta: -44.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. [2020-11-22 13:03:52,455 INFO L168 Benchmark]: Boogie Preprocessor took 67.33 ms. Allocated memory is still 90.2 MB. Free memory was 70.9 MB in the beginning and 68.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:03:52,455 INFO L168 Benchmark]: RCFGBuilder took 2134.10 ms. Allocated memory is still 90.2 MB. Free memory was 68.9 MB in the beginning and 69.8 MB in the end (delta: -979.4 kB). Peak memory consumption was 29.8 MB. Max. memory is 16.1 GB. [2020-11-22 13:03:52,456 INFO L168 Benchmark]: TraceAbstraction took 3528.21 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 69.8 MB in the beginning and 84.9 MB in the end (delta: -15.1 MB). Peak memory consumption was 48.9 MB. Max. memory is 16.1 GB. [2020-11-22 13:03:52,456 INFO L168 Benchmark]: Witness Printer took 106.15 ms. Allocated memory is still 109.1 MB. Free memory was 84.9 MB in the beginning and 77.6 MB in the end (delta: 7.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:03:52,462 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 60.8 MB. Free memory is still 42.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 730.81 ms. Allocated memory is still 60.8 MB. Free memory was 40.1 MB in the beginning and 26.9 MB in the end (delta: 13.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 79.98 ms. Allocated memory was 60.8 MB in the beginning and 90.2 MB in the end (delta: 29.4 MB). Free memory was 26.7 MB in the beginning and 70.9 MB in the end (delta: -44.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 67.33 ms. Allocated memory is still 90.2 MB. Free memory was 70.9 MB in the beginning and 68.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2134.10 ms. Allocated memory is still 90.2 MB. Free memory was 68.9 MB in the beginning and 69.8 MB in the end (delta: -979.4 kB). Peak memory consumption was 29.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3528.21 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 69.8 MB in the beginning and 84.9 MB in the end (delta: -15.1 MB). Peak memory consumption was 48.9 MB. Max. memory is 16.1 GB. * Witness Printer took 106.15 ms. Allocated memory is still 109.1 MB. Free memory was 84.9 MB in the beginning and 77.6 MB in the end (delta: 7.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 220]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 76 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 303 SDtfs, 285 SDslu, 261 SDs, 0 SdLazy, 57 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 220 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=76occurred in iteration=0, 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, 55 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 66 NumberOfFragments, 155 HoareAnnotationTreeSize, 31 FomulaSimplifications, 948 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 31 FomulaSimplificationsInter, 290 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 214 ConstructedInterpolants, 0 QuantifiedInterpolants, 11626 SizeOfPredicates, 8 NumberOfNonLiveVariables, 988 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...