./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_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_3a8613a7-1a7a-4cfe-9e01-8ade531bb4ef/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3a8613a7-1a7a-4cfe-9e01-8ade531bb4ef/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3a8613a7-1a7a-4cfe-9e01-8ade531bb4ef/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3a8613a7-1a7a-4cfe-9e01-8ade531bb4ef/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3a8613a7-1a7a-4cfe-9e01-8ade531bb4ef/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3a8613a7-1a7a-4cfe-9e01-8ade531bb4ef/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 4f7d1f008fc605da9360b12daa11bcbc7acf8dd3 ............................................................................................................................................ 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_3a8613a7-1a7a-4cfe-9e01-8ade531bb4ef/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3a8613a7-1a7a-4cfe-9e01-8ade531bb4ef/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3a8613a7-1a7a-4cfe-9e01-8ade531bb4ef/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3a8613a7-1a7a-4cfe-9e01-8ade531bb4ef/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3a8613a7-1a7a-4cfe-9e01-8ade531bb4ef/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3a8613a7-1a7a-4cfe-9e01-8ade531bb4ef/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 4f7d1f008fc605da9360b12daa11bcbc7acf8dd3 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 12:52:18,388 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:52:18,392 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:52:18,500 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:52:18,501 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:52:18,503 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:52:18,506 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:52:18,509 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:52:18,513 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:52:18,514 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:52:18,516 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:52:18,518 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:52:18,519 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:52:18,521 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:52:18,523 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:52:18,525 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:52:18,527 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:52:18,529 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:52:18,532 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:52:18,535 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:52:18,538 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:52:18,541 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:52:18,556 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:52:18,558 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:52:18,564 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:52:18,567 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:52:18,568 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:52:18,571 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:52:18,572 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:52:18,574 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:52:18,574 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:52:18,576 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:52:18,579 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:52:18,580 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:52:18,582 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:52:18,583 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:52:18,584 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:52:18,584 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:52:18,585 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:52:18,586 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:52:18,587 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:52:18,590 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3a8613a7-1a7a-4cfe-9e01-8ade531bb4ef/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 12:52:18,638 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:52:18,639 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:52:18,640 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:52:18,640 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:52:18,641 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:52:18,641 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:52:18,641 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 12:52:18,642 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:52:18,642 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:52:18,642 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 12:52:18,642 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 12:52:18,643 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:52:18,643 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 12:52:18,643 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 12:52:18,644 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 12:52:18,645 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:52:18,645 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:52:18,646 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 12:52:18,646 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:52:18,646 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:52:18,646 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:52:18,647 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:52:18,647 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:52:18,647 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:52:18,648 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:52:18,648 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:52:18,648 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:52:18,649 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:52:18,649 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:52:18,649 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:52:18,650 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:52:18,650 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:52:18,650 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:52:18,651 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:52:18,651 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:52:18,651 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 12:52:18,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 12:52:18,652 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:52:18,652 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:52:18,653 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:52:18,653 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_3a8613a7-1a7a-4cfe-9e01-8ade531bb4ef/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3a8613a7-1a7a-4cfe-9e01-8ade531bb4ef/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f7d1f008fc605da9360b12daa11bcbc7acf8dd3 [2020-11-22 12:52:18,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:52:19,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:52:19,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:52:19,023 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:52:19,025 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:52:19,026 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3a8613a7-1a7a-4cfe-9e01-8ade531bb4ef/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c [2020-11-22 12:52:19,120 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3a8613a7-1a7a-4cfe-9e01-8ade531bb4ef/bin/utaipan/data/918e0e38c/e7cc68718fdd4cb7b46a5b2550cbd4b8/FLAGd71196198 [2020-11-22 12:52:19,800 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:52:19,801 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3a8613a7-1a7a-4cfe-9e01-8ade531bb4ef/sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c [2020-11-22 12:52:19,829 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3a8613a7-1a7a-4cfe-9e01-8ade531bb4ef/bin/utaipan/data/918e0e38c/e7cc68718fdd4cb7b46a5b2550cbd4b8/FLAGd71196198 [2020-11-22 12:52:20,078 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3a8613a7-1a7a-4cfe-9e01-8ade531bb4ef/bin/utaipan/data/918e0e38c/e7cc68718fdd4cb7b46a5b2550cbd4b8 [2020-11-22 12:52:20,081 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:52:20,083 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:52:20,088 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:52:20,088 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:52:20,092 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:52:20,097 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:52:20" (1/1) ... [2020-11-22 12:52:20,099 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c84d19b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:52:20, skipping insertion in model container [2020-11-22 12:52:20,100 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:52:20" (1/1) ... [2020-11-22 12:52:20,108 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:52:20,192 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:52:20,620 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:52:20,642 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2020-11-22 12:52:20,643 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2f9bff65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:52:20, skipping insertion in model container [2020-11-22 12:52:20,643 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:52:20,644 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 12:52:20,651 INFO L168 Benchmark]: Toolchain (without parser) took 561.98 ms. Allocated memory is still 94.4 MB. Free memory was 64.2 MB in the beginning and 69.0 MB in the end (delta: -4.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:52:20,652 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 94.4 MB. Free memory is still 50.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:52:20,655 INFO L168 Benchmark]: CACSL2BoogieTranslator took 555.81 ms. Allocated memory is still 94.4 MB. Free memory was 64.2 MB in the beginning and 69.0 MB in the end (delta: -4.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:52:20,659 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 94.4 MB. Free memory is still 50.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 555.81 ms. Allocated memory is still 94.4 MB. Free memory was 64.2 MB in the beginning and 69.0 MB in the end (delta: -4.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 370]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-22 12:52:23,513 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:52:23,516 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:52:23,571 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:52:23,572 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:52:23,579 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:52:23,582 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:52:23,587 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:52:23,592 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:52:23,599 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:52:23,601 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:52:23,607 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:52:23,608 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:52:23,615 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:52:23,617 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:52:23,619 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:52:23,620 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:52:23,625 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:52:23,630 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:52:23,639 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:52:23,642 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:52:23,644 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:52:23,650 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:52:23,651 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:52:23,655 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:52:23,655 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:52:23,656 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:52:23,657 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:52:23,666 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:52:23,668 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:52:23,668 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:52:23,670 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:52:23,672 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:52:23,673 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:52:23,675 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:52:23,676 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:52:23,677 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:52:23,677 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:52:23,678 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:52:23,680 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:52:23,681 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:52:23,682 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3a8613a7-1a7a-4cfe-9e01-8ade531bb4ef/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 12:52:23,739 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:52:23,739 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:52:23,742 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:52:23,742 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:52:23,743 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:52:23,743 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:52:23,743 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:52:23,744 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:52:23,744 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:52:23,746 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:52:23,748 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:52:23,748 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:52:23,748 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:52:23,749 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:52:23,749 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:52:23,749 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:52:23,750 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:52:23,750 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 12:52:23,750 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 12:52:23,751 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:52:23,751 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:52:23,751 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:52:23,752 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:52:23,752 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:52:23,752 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 12:52:23,753 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:52:23,753 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:52:23,753 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:52:23,754 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:52:23,754 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:52:23,754 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:52:23,755 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 12:52:23,755 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 12:52:23,755 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:52:23,756 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:52:23,756 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:52:23,757 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_3a8613a7-1a7a-4cfe-9e01-8ade531bb4ef/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3a8613a7-1a7a-4cfe-9e01-8ade531bb4ef/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f7d1f008fc605da9360b12daa11bcbc7acf8dd3 [2020-11-22 12:52:24,237 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:52:24,281 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:52:24,284 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:52:24,285 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:52:24,288 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:52:24,290 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3a8613a7-1a7a-4cfe-9e01-8ade531bb4ef/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c [2020-11-22 12:52:24,376 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3a8613a7-1a7a-4cfe-9e01-8ade531bb4ef/bin/utaipan/data/887c05480/f8de69ef7b404af8be10fa3f88491b1e/FLAG338c61056 [2020-11-22 12:52:25,183 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:52:25,183 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3a8613a7-1a7a-4cfe-9e01-8ade531bb4ef/sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c [2020-11-22 12:52:25,203 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3a8613a7-1a7a-4cfe-9e01-8ade531bb4ef/bin/utaipan/data/887c05480/f8de69ef7b404af8be10fa3f88491b1e/FLAG338c61056 [2020-11-22 12:52:25,432 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3a8613a7-1a7a-4cfe-9e01-8ade531bb4ef/bin/utaipan/data/887c05480/f8de69ef7b404af8be10fa3f88491b1e [2020-11-22 12:52:25,436 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:52:25,439 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:52:25,443 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:52:25,444 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:52:25,448 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:52:25,450 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:52:25" (1/1) ... [2020-11-22 12:52:25,457 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b594399 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:52:25, skipping insertion in model container [2020-11-22 12:52:25,458 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:52:25" (1/1) ... [2020-11-22 12:52:25,468 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:52:25,553 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:52:25,946 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:52:26,005 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-22 12:52:26,039 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:52:26,148 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:52:26,154 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 12:52:26,237 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:52:26,300 INFO L208 MainTranslator]: Completed translation [2020-11-22 12:52:26,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:52:26 WrapperNode [2020-11-22 12:52:26,302 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:52:26,304 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 12:52:26,305 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 12:52:26,305 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 12:52:26,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:52:26" (1/1) ... [2020-11-22 12:52:26,339 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:52:26" (1/1) ... [2020-11-22 12:52:26,400 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 12:52:26,404 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 12:52:26,405 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 12:52:26,405 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 12:52:26,417 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:52:26" (1/1) ... [2020-11-22 12:52:26,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:52:26" (1/1) ... [2020-11-22 12:52:26,442 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:52:26" (1/1) ... [2020-11-22 12:52:26,443 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:52:26" (1/1) ... [2020-11-22 12:52:26,464 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:52:26" (1/1) ... [2020-11-22 12:52:26,471 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:52:26" (1/1) ... [2020-11-22 12:52:26,491 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:52:26" (1/1) ... [2020-11-22 12:52:26,496 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 12:52:26,497 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 12:52:26,497 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 12:52:26,497 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 12:52:26,498 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:52:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3a8613a7-1a7a-4cfe-9e01-8ade531bb4ef/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:52:26,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 12:52:26,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 12:52:26,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 12:52:26,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 12:52:29,696 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 12:52:29,696 INFO L298 CfgBuilder]: Removed 102 assume(true) statements. [2020-11-22 12:52:29,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:52:29 BoogieIcfgContainer [2020-11-22 12:52:29,699 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 12:52:29,702 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 12:52:29,703 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 12:52:29,706 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 12:52:29,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:52:25" (1/3) ... [2020-11-22 12:52:29,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@588e6d34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:52:29, skipping insertion in model container [2020-11-22 12:52:29,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:52:26" (2/3) ... [2020-11-22 12:52:29,711 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@588e6d34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:52:29, skipping insertion in model container [2020-11-22 12:52:29,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:52:29" (3/3) ... [2020-11-22 12:52:29,713 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product05.cil.c [2020-11-22 12:52:29,727 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 12:52:29,733 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-22 12:52:29,748 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-22 12:52:29,795 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 12:52:29,795 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 12:52:29,796 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 12:52:29,796 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 12:52:29,796 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 12:52:29,796 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 12:52:29,796 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 12:52:29,797 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 12:52:29,813 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states. [2020-11-22 12:52:29,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-22 12:52:29,819 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:52:29,820 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:52:29,820 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:52:29,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:52:29,827 INFO L82 PathProgramCache]: Analyzing trace with hash 1508019772, now seen corresponding path program 1 times [2020-11-22 12:52:29,844 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:52:29,845 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [539396962] [2020-11-22 12:52:29,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3a8613a7-1a7a-4cfe-9e01-8ade531bb4ef/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-22 12:52:30,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:52:30,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 12:52:30,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:52:30,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:52:30,218 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:52:30,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:52:30,232 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [539396962] [2020-11-22 12:52:30,232 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:52:30,233 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 12:52:30,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524679644] [2020-11-22 12:52:30,239 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 12:52:30,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:52:30,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 12:52:30,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 12:52:30,263 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 2 states. [2020-11-22 12:52:30,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:52:30,312 INFO L93 Difference]: Finished difference Result 135 states and 200 transitions. [2020-11-22 12:52:30,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 12:52:30,316 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-22 12:52:30,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:52:30,330 INFO L225 Difference]: With dead ends: 135 [2020-11-22 12:52:30,330 INFO L226 Difference]: Without dead ends: 65 [2020-11-22 12:52:30,335 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 12:52:30,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-11-22 12:52:30,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2020-11-22 12:52:30,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-11-22 12:52:30,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2020-11-22 12:52:30,394 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 90 transitions. Word has length 16 [2020-11-22 12:52:30,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:52:30,395 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 90 transitions. [2020-11-22 12:52:30,395 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 12:52:30,395 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2020-11-22 12:52:30,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-22 12:52:30,397 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:52:30,397 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:52:30,611 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 12:52:30,611 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:52:30,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:52:30,615 INFO L82 PathProgramCache]: Analyzing trace with hash 461262875, now seen corresponding path program 1 times [2020-11-22 12:52:30,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:52:30,617 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [294155605] [2020-11-22 12:52:30,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3a8613a7-1a7a-4cfe-9e01-8ade531bb4ef/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-22 12:52:30,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:52:30,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:52:30,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:52:30,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:52:30,901 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:52:30,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:52:30,919 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [294155605] [2020-11-22 12:52:30,919 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:52:30,919 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 12:52:30,920 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122193039] [2020-11-22 12:52:30,921 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:52:30,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:52:30,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:52:30,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:52:30,923 INFO L87 Difference]: Start difference. First operand 65 states and 90 transitions. Second operand 4 states. [2020-11-22 12:52:30,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:52:30,941 INFO L93 Difference]: Finished difference Result 65 states and 90 transitions. [2020-11-22 12:52:30,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:52:30,943 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-11-22 12:52:30,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:52:30,946 INFO L225 Difference]: With dead ends: 65 [2020-11-22 12:52:30,946 INFO L226 Difference]: Without dead ends: 31 [2020-11-22 12:52:30,948 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:52:30,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-11-22 12:52:30,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-11-22 12:52:30,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-11-22 12:52:30,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2020-11-22 12:52:30,960 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 17 [2020-11-22 12:52:30,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:52:30,964 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2020-11-22 12:52:30,965 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:52:30,965 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2020-11-22 12:52:30,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-22 12:52:30,966 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:52:30,966 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:52:31,175 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 12:52:31,176 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:52:31,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:52:31,177 INFO L82 PathProgramCache]: Analyzing trace with hash -1744986874, now seen corresponding path program 1 times [2020-11-22 12:52:31,178 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:52:31,179 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [82287025] [2020-11-22 12:52:31,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3a8613a7-1a7a-4cfe-9e01-8ade531bb4ef/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-22 12:52:31,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:52:31,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:52:31,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:52:31,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:52:31,431 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:52:31,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:52:31,450 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [82287025] [2020-11-22 12:52:31,451 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:52:31,451 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2020-11-22 12:52:31,451 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941235217] [2020-11-22 12:52:31,453 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:52:31,453 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:52:31,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:52:31,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:52:31,455 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 4 states. [2020-11-22 12:52:31,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:52:31,469 INFO L93 Difference]: Finished difference Result 56 states and 80 transitions. [2020-11-22 12:52:31,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:52:31,472 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-11-22 12:52:31,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:52:31,473 INFO L225 Difference]: With dead ends: 56 [2020-11-22 12:52:31,474 INFO L226 Difference]: Without dead ends: 31 [2020-11-22 12:52:31,475 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:52:31,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-11-22 12:52:31,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-11-22 12:52:31,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-11-22 12:52:31,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2020-11-22 12:52:31,486 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 42 transitions. Word has length 22 [2020-11-22 12:52:31,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:52:31,486 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 42 transitions. [2020-11-22 12:52:31,486 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:52:31,487 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2020-11-22 12:52:31,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-22 12:52:31,488 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:52:31,488 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:52:31,701 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 12:52:31,702 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:52:31,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:52:31,703 INFO L82 PathProgramCache]: Analyzing trace with hash 75210305, now seen corresponding path program 1 times [2020-11-22 12:52:31,703 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:52:31,704 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1006254490] [2020-11-22 12:52:31,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3a8613a7-1a7a-4cfe-9e01-8ade531bb4ef/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-22 12:52:31,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:52:31,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 12:52:31,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:52:31,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:52:31,959 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:52:31,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:52:31,988 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1006254490] [2020-11-22 12:52:31,989 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:52:31,989 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-22 12:52:31,989 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066041163] [2020-11-22 12:52:31,990 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 12:52:31,991 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:52:31,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 12:52:31,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 12:52:31,994 INFO L87 Difference]: Start difference. First operand 31 states and 42 transitions. Second operand 5 states. [2020-11-22 12:52:32,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:52:32,195 INFO L93 Difference]: Finished difference Result 132 states and 195 transitions. [2020-11-22 12:52:32,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-22 12:52:32,199 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-11-22 12:52:32,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:52:32,201 INFO L225 Difference]: With dead ends: 132 [2020-11-22 12:52:32,201 INFO L226 Difference]: Without dead ends: 107 [2020-11-22 12:52:32,202 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-22 12:52:32,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-11-22 12:52:32,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 52. [2020-11-22 12:52:32,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-11-22 12:52:32,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 72 transitions. [2020-11-22 12:52:32,243 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 72 transitions. Word has length 23 [2020-11-22 12:52:32,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:52:32,243 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 72 transitions. [2020-11-22 12:52:32,243 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 12:52:32,244 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 72 transitions. [2020-11-22 12:52:32,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-22 12:52:32,245 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:52:32,245 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:52:32,468 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 12:52:32,468 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:52:32,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:52:32,469 INFO L82 PathProgramCache]: Analyzing trace with hash 2028068683, now seen corresponding path program 1 times [2020-11-22 12:52:32,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:52:32,470 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1076318724] [2020-11-22 12:52:32,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3a8613a7-1a7a-4cfe-9e01-8ade531bb4ef/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-11-22 12:52:32,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:52:32,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 12:52:32,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:52:32,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:52:32,737 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:52:32,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:52:32,742 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1076318724] [2020-11-22 12:52:32,742 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:52:32,742 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-22 12:52:32,743 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081294895] [2020-11-22 12:52:32,743 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 12:52:32,743 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:52:32,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 12:52:32,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 12:52:32,744 INFO L87 Difference]: Start difference. First operand 52 states and 72 transitions. Second operand 5 states. [2020-11-22 12:52:32,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:52:32,878 INFO L93 Difference]: Finished difference Result 144 states and 209 transitions. [2020-11-22 12:52:32,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 12:52:32,878 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-11-22 12:52:32,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:52:32,879 INFO L225 Difference]: With dead ends: 144 [2020-11-22 12:52:32,879 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 12:52:32,880 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-22 12:52:32,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 12:52:32,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 12:52:32,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 12:52:32,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 12:52:32,881 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-11-22 12:52:32,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:52:32,882 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 12:52:32,882 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 12:52:32,882 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 12:52:32,882 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 12:52:33,083 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-22 12:52:33,084 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 12:52:33,789 INFO L277 CegarLoopResult]: At program point L828(lines 809 831) the Hoare annotation is: true [2020-11-22 12:52:33,789 INFO L270 CegarLoopResult]: At program point L217(lines 210 220) the Hoare annotation is: false [2020-11-22 12:52:33,789 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:52:33,790 INFO L270 CegarLoopResult]: At program point L217-1(lines 210 220) the Hoare annotation is: false [2020-11-22 12:52:33,790 INFO L270 CegarLoopResult]: At program point L217-2(lines 210 220) the Hoare annotation is: false [2020-11-22 12:52:33,790 INFO L270 CegarLoopResult]: At program point L333(lines 286 334) the Hoare annotation is: false [2020-11-22 12:52:33,790 INFO L274 CegarLoopResult]: For program point L746(line 746) no Hoare annotation was computed. [2020-11-22 12:52:33,790 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-22 12:52:33,790 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-22 12:52:33,790 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-22 12:52:33,791 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 12:52:33,791 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-11-22 12:52:33,791 INFO L270 CegarLoopResult]: At program point L863(lines 858 866) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:52:33,791 INFO L274 CegarLoopResult]: For program point L54(lines 54 58) no Hoare annotation was computed. [2020-11-22 12:52:33,791 INFO L274 CegarLoopResult]: For program point L54-3(lines 54 58) no Hoare annotation was computed. [2020-11-22 12:52:33,791 INFO L274 CegarLoopResult]: For program point L54-6(lines 54 58) no Hoare annotation was computed. [2020-11-22 12:52:33,791 INFO L274 CegarLoopResult]: For program point L749(lines 749 753) no Hoare annotation was computed. [2020-11-22 12:52:33,791 INFO L274 CegarLoopResult]: For program point L716(lines 716 729) no Hoare annotation was computed. [2020-11-22 12:52:33,792 INFO L274 CegarLoopResult]: For program point L749-1(lines 141 147) no Hoare annotation was computed. [2020-11-22 12:52:33,792 INFO L270 CegarLoopResult]: At program point L716-1(lines 1 866) 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 12:52:33,792 INFO L274 CegarLoopResult]: For program point L716-2(lines 716 729) no Hoare annotation was computed. [2020-11-22 12:52:33,792 INFO L270 CegarLoopResult]: At program point L716-3(lines 1 866) the Hoare annotation is: false [2020-11-22 12:52:33,792 INFO L274 CegarLoopResult]: For program point L716-4(lines 716 729) no Hoare annotation was computed. [2020-11-22 12:52:33,792 INFO L270 CegarLoopResult]: At program point L716-5(lines 1 866) the Hoare annotation is: false [2020-11-22 12:52:33,792 INFO L274 CegarLoopResult]: For program point L271(line 271) no Hoare annotation was computed. [2020-11-22 12:52:33,792 INFO L274 CegarLoopResult]: For program point L271-1(line 271) no Hoare annotation was computed. [2020-11-22 12:52:33,793 INFO L274 CegarLoopResult]: For program point L271-2(line 271) no Hoare annotation was computed. [2020-11-22 12:52:33,793 INFO L274 CegarLoopResult]: For program point L288(lines 287 332) no Hoare annotation was computed. [2020-11-22 12:52:33,793 INFO L274 CegarLoopResult]: For program point L173(lines 173 190) no Hoare annotation was computed. [2020-11-22 12:52:33,793 INFO L274 CegarLoopResult]: For program point L173-1(lines 173 190) no Hoare annotation was computed. [2020-11-22 12:52:33,793 INFO L274 CegarLoopResult]: For program point L173-2(lines 173 190) no Hoare annotation was computed. [2020-11-22 12:52:33,793 INFO L274 CegarLoopResult]: For program point L289(lines 289 293) no Hoare annotation was computed. [2020-11-22 12:52:33,793 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 12:52:33,793 INFO L270 CegarLoopResult]: At program point L91(lines 86 94) the Hoare annotation is: false [2020-11-22 12:52:33,794 INFO L270 CegarLoopResult]: At program point L91-1(lines 86 94) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:52:33,794 INFO L270 CegarLoopResult]: At program point L91-2(lines 86 94) the Hoare annotation is: false [2020-11-22 12:52:33,801 INFO L270 CegarLoopResult]: At program point L91-3(lines 86 94) the Hoare annotation is: false [2020-11-22 12:52:33,801 INFO L270 CegarLoopResult]: At program point L91-4(lines 86 94) the Hoare annotation is: false [2020-11-22 12:52:33,801 INFO L270 CegarLoopResult]: At program point L91-5(lines 86 94) the Hoare annotation is: false [2020-11-22 12:52:33,801 INFO L270 CegarLoopResult]: At program point L141(lines 140 159) 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 12:52:33,802 INFO L274 CegarLoopResult]: For program point L141-1(lines 141 147) no Hoare annotation was computed. [2020-11-22 12:52:33,802 INFO L270 CegarLoopResult]: At program point L141-2(lines 140 159) the Hoare annotation is: false [2020-11-22 12:52:33,802 INFO L270 CegarLoopResult]: At program point L141-3(lines 140 159) the Hoare annotation is: false [2020-11-22 12:52:33,802 INFO L274 CegarLoopResult]: For program point L323(lines 323 327) no Hoare annotation was computed. [2020-11-22 12:52:33,802 INFO L274 CegarLoopResult]: For program point L323-2(lines 141 147) no Hoare annotation was computed. [2020-11-22 12:52:33,803 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:52:33,803 INFO L274 CegarLoopResult]: For program point L819(lines 819 826) no Hoare annotation was computed. [2020-11-22 12:52:33,803 INFO L274 CegarLoopResult]: For program point L307(lines 307 313) no Hoare annotation was computed. [2020-11-22 12:52:33,803 INFO L270 CegarLoopResult]: At program point L307-1(lines 307 313) 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 12:52:33,803 INFO L277 CegarLoopResult]: At program point L819-1(lines 819 826) the Hoare annotation is: true [2020-11-22 12:52:33,804 INFO L274 CegarLoopResult]: For program point L720(lines 720 726) no Hoare annotation was computed. [2020-11-22 12:52:33,804 INFO L274 CegarLoopResult]: For program point L720-2(lines 720 726) no Hoare annotation was computed. [2020-11-22 12:52:33,804 INFO L274 CegarLoopResult]: For program point L720-4(lines 720 726) no Hoare annotation was computed. [2020-11-22 12:52:33,804 INFO L270 CegarLoopResult]: At program point L226(lines 221 229) 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 12:52:33,805 INFO L270 CegarLoopResult]: At program point L226-1(lines 221 229) the Hoare annotation is: false [2020-11-22 12:52:33,805 INFO L270 CegarLoopResult]: At program point L226-2(lines 221 229) the Hoare annotation is: false [2020-11-22 12:52:33,805 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-22 12:52:33,806 INFO L274 CegarLoopResult]: For program point L177(lines 177 185) no Hoare annotation was computed. [2020-11-22 12:52:33,806 INFO L274 CegarLoopResult]: For program point L177-1(lines 177 185) no Hoare annotation was computed. [2020-11-22 12:52:33,806 INFO L274 CegarLoopResult]: For program point L177-2(lines 177 185) no Hoare annotation was computed. [2020-11-22 12:52:33,806 INFO L274 CegarLoopResult]: For program point L78(lines 78 82) no Hoare annotation was computed. [2020-11-22 12:52:33,806 INFO L270 CegarLoopResult]: At program point L855(lines 1 866) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:52:33,807 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-22 12:52:33,807 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:52:33,807 INFO L270 CegarLoopResult]: At program point L148(lines 148 154) 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 12:52:33,807 INFO L270 CegarLoopResult]: At program point L148-1(lines 148 154) the Hoare annotation is: false [2020-11-22 12:52:33,807 INFO L270 CegarLoopResult]: At program point L148-2(lines 148 154) the Hoare annotation is: false [2020-11-22 12:52:33,808 INFO L274 CegarLoopResult]: For program point L297(lines 297 303) no Hoare annotation was computed. [2020-11-22 12:52:33,808 INFO L270 CegarLoopResult]: At program point L297-1(lines 297 303) 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 12:52:33,808 INFO L274 CegarLoopResult]: For program point L66(lines 66 70) no Hoare annotation was computed. [2020-11-22 12:52:33,809 INFO L270 CegarLoopResult]: At program point L793(lines 789 795) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:52:33,809 INFO L270 CegarLoopResult]: At program point L745-2(lines 745 759) the Hoare annotation is: false [2020-11-22 12:52:33,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:52:33 BoogieIcfgContainer [2020-11-22 12:52:33,841 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 12:52:33,842 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 12:52:33,842 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 12:52:33,842 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 12:52:33,843 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:52:29" (3/4) ... [2020-11-22 12:52:33,846 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 12:52:33,875 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-22 12:52:33,876 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-22 12:52:33,877 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-22 12:52:33,878 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-22 12:52:33,878 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-22 12:52:33,879 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 12:52:33,880 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 12:52:33,921 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2020-11-22 12:52:34,007 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3a8613a7-1a7a-4cfe-9e01-8ade531bb4ef/bin/utaipan/witness.graphml [2020-11-22 12:52:34,007 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 12:52:34,010 INFO L168 Benchmark]: Toolchain (without parser) took 8569.69 ms. Allocated memory was 65.0 MB in the beginning and 98.6 MB in the end (delta: 33.6 MB). Free memory was 44.3 MB in the beginning and 32.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 45.0 MB. Max. memory is 16.1 GB. [2020-11-22 12:52:34,011 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 50.3 MB. Free memory is still 31.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:52:34,012 INFO L168 Benchmark]: CACSL2BoogieTranslator took 859.82 ms. Allocated memory is still 65.0 MB. Free memory was 44.1 MB in the beginning and 36.3 MB in the end (delta: 7.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-22 12:52:34,012 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.49 ms. Allocated memory is still 65.0 MB. Free memory was 36.3 MB in the beginning and 33.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:52:34,013 INFO L168 Benchmark]: Boogie Preprocessor took 92.38 ms. Allocated memory is still 65.0 MB. Free memory was 33.3 MB in the beginning and 31.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:52:34,014 INFO L168 Benchmark]: RCFGBuilder took 3202.10 ms. Allocated memory was 65.0 MB in the beginning and 81.8 MB in the end (delta: 16.8 MB). Free memory was 31.2 MB in the beginning and 52.7 MB in the end (delta: -21.5 MB). Peak memory consumption was 10.7 MB. Max. memory is 16.1 GB. [2020-11-22 12:52:34,014 INFO L168 Benchmark]: TraceAbstraction took 4138.99 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 52.2 MB in the beginning and 39.1 MB in the end (delta: 13.1 MB). Peak memory consumption was 32.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:52:34,015 INFO L168 Benchmark]: Witness Printer took 165.43 ms. Allocated memory is still 98.6 MB. Free memory was 39.1 MB in the beginning and 32.8 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-22 12:52:34,018 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 50.3 MB. Free memory is still 31.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 859.82 ms. Allocated memory is still 65.0 MB. Free memory was 44.1 MB in the beginning and 36.3 MB in the end (delta: 7.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 98.49 ms. Allocated memory is still 65.0 MB. Free memory was 36.3 MB in the beginning and 33.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 92.38 ms. Allocated memory is still 65.0 MB. Free memory was 33.3 MB in the beginning and 31.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3202.10 ms. Allocated memory was 65.0 MB in the beginning and 81.8 MB in the end (delta: 16.8 MB). Free memory was 31.2 MB in the beginning and 52.7 MB in the end (delta: -21.5 MB). Peak memory consumption was 10.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4138.99 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 52.2 MB in the beginning and 39.1 MB in the end (delta: 13.1 MB). Peak memory consumption was 32.5 MB. Max. memory is 16.1 GB. * Witness Printer took 165.43 ms. Allocated memory is still 98.6 MB. Free memory was 39.1 MB in the beginning and 32.8 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 789]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 809]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 286]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 72 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 286 SDtfs, 314 SDslu, 233 SDs, 0 SdLazy, 53 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 202 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 55 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 30 PreInvPairs, 65 NumberOfFragments, 143 HoareAnnotationTreeSize, 30 FomulaSimplifications, 1026 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 30 FomulaSimplificationsInter, 212 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 194 ConstructedInterpolants, 0 QuantifiedInterpolants, 8519 SizeOfPredicates, 8 NumberOfNonLiveVariables, 973 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...