./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.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_4885b709-9717-490d-acf3-433b72751809/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4885b709-9717-490d-acf3-433b72751809/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4885b709-9717-490d-acf3-433b72751809/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4885b709-9717-490d-acf3-433b72751809/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4885b709-9717-490d-acf3-433b72751809/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4885b709-9717-490d-acf3-433b72751809/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 a799124555890ca53ef8c243a58e7f790fa6b6f5 ............................................................................................................................................ 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_4885b709-9717-490d-acf3-433b72751809/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4885b709-9717-490d-acf3-433b72751809/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4885b709-9717-490d-acf3-433b72751809/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4885b709-9717-490d-acf3-433b72751809/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4885b709-9717-490d-acf3-433b72751809/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4885b709-9717-490d-acf3-433b72751809/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 a799124555890ca53ef8c243a58e7f790fa6b6f5 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 12:57:40,625 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:57:40,627 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:57:40,679 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:57:40,680 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:57:40,692 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:57:40,694 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:57:40,696 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:57:40,706 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:57:40,714 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:57:40,716 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:57:40,720 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:57:40,720 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:57:40,724 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:57:40,725 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:57:40,727 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:57:40,728 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:57:40,729 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:57:40,737 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:57:40,742 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:57:40,747 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:57:40,748 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:57:40,749 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:57:40,750 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:57:40,753 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:57:40,754 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:57:40,754 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:57:40,755 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:57:40,756 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:57:40,757 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:57:40,757 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:57:40,758 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:57:40,759 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:57:40,760 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:57:40,761 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:57:40,762 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:57:40,763 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:57:40,763 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:57:40,763 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:57:40,764 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:57:40,765 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:57:40,766 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4885b709-9717-490d-acf3-433b72751809/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 12:57:40,801 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:57:40,805 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:57:40,806 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:57:40,806 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:57:40,806 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:57:40,807 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:57:40,807 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 12:57:40,807 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:57:40,807 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:57:40,808 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 12:57:40,809 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 12:57:40,809 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:57:40,809 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 12:57:40,809 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 12:57:40,810 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 12:57:40,810 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:57:40,811 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:57:40,811 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 12:57:40,811 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:57:40,811 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:57:40,811 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:57:40,812 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:57:40,812 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:57:40,812 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:57:40,812 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:57:40,813 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:57:40,813 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:57:40,813 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:57:40,813 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:57:40,813 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:57:40,814 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:57:40,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:57:40,814 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:57:40,815 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:57:40,815 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:57:40,815 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 12:57:40,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 12:57:40,816 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:57:40,816 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:57:40,816 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:57:40,816 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_4885b709-9717-490d-acf3-433b72751809/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4885b709-9717-490d-acf3-433b72751809/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a799124555890ca53ef8c243a58e7f790fa6b6f5 [2020-11-22 12:57:41,047 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:57:41,081 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:57:41,085 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:57:41,087 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:57:41,087 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:57:41,088 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4885b709-9717-490d-acf3-433b72751809/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c [2020-11-22 12:57:41,163 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4885b709-9717-490d-acf3-433b72751809/bin/utaipan/data/eb078e75d/f02f9acbbe934fd48f4e7444c7e92bc3/FLAGd82f004ba [2020-11-22 12:57:41,682 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:57:41,683 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4885b709-9717-490d-acf3-433b72751809/sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c [2020-11-22 12:57:41,715 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4885b709-9717-490d-acf3-433b72751809/bin/utaipan/data/eb078e75d/f02f9acbbe934fd48f4e7444c7e92bc3/FLAGd82f004ba [2020-11-22 12:57:41,963 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4885b709-9717-490d-acf3-433b72751809/bin/utaipan/data/eb078e75d/f02f9acbbe934fd48f4e7444c7e92bc3 [2020-11-22 12:57:41,966 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:57:41,968 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:57:41,970 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:57:41,971 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:57:41,986 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:57:41,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:57:41" (1/1) ... [2020-11-22 12:57:41,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6495d1e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:41, skipping insertion in model container [2020-11-22 12:57:41,991 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:57:41" (1/1) ... [2020-11-22 12:57:41,998 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:57:42,067 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:57:42,414 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:57:42,429 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 12:57:42,432 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@69e55b8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:42, skipping insertion in model container [2020-11-22 12:57:42,432 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:57:42,433 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 12:57:42,436 INFO L168 Benchmark]: Toolchain (without parser) took 466.14 ms. Allocated memory is still 100.7 MB. Free memory was 70.5 MB in the beginning and 74.5 MB in the end (delta: -4.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:57:42,436 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 83.9 MB. Free memory is still 40.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:57:42,439 INFO L168 Benchmark]: CACSL2BoogieTranslator took 462.30 ms. Allocated memory is still 100.7 MB. Free memory was 69.9 MB in the beginning and 74.5 MB in the end (delta: -4.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-22 12:57:42,442 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 83.9 MB. Free memory is still 40.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 462.30 ms. Allocated memory is still 100.7 MB. Free memory was 69.9 MB in the beginning and 74.5 MB in the end (delta: -4.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 70]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-22 12:57:44,653 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:57:44,657 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:57:44,707 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:57:44,708 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:57:44,712 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:57:44,715 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:57:44,719 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:57:44,724 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:57:44,732 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:57:44,733 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:57:44,739 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:57:44,740 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:57:44,745 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:57:44,754 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:57:44,755 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:57:44,757 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:57:44,761 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:57:44,763 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:57:44,767 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:57:44,773 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:57:44,775 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:57:44,776 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:57:44,779 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:57:44,786 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:57:44,791 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:57:44,792 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:57:44,793 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:57:44,795 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:57:44,796 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:57:44,797 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:57:44,797 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:57:44,799 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:57:44,800 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:57:44,802 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:57:44,802 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:57:44,803 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:57:44,803 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:57:44,803 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:57:44,805 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:57:44,806 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:57:44,807 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4885b709-9717-490d-acf3-433b72751809/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 12:57:44,847 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:57:44,847 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:57:44,849 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:57:44,849 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:57:44,850 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:57:44,850 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:57:44,850 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:57:44,850 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:57:44,851 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:57:44,852 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:57:44,853 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:57:44,853 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:57:44,854 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:57:44,854 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:57:44,854 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:57:44,854 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:57:44,855 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:57:44,855 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 12:57:44,855 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 12:57:44,855 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:57:44,855 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:57:44,856 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:57:44,856 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:57:44,856 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:57:44,856 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 12:57:44,857 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:57:44,857 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:57:44,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:57:44,857 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:57:44,858 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:57:44,858 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:57:44,858 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 12:57:44,858 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 12:57:44,858 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:57:44,859 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:57:44,859 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:57:44,859 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_4885b709-9717-490d-acf3-433b72751809/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4885b709-9717-490d-acf3-433b72751809/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a799124555890ca53ef8c243a58e7f790fa6b6f5 [2020-11-22 12:57:45,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:57:45,243 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:57:45,246 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:57:45,247 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:57:45,249 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:57:45,250 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4885b709-9717-490d-acf3-433b72751809/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c [2020-11-22 12:57:45,325 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4885b709-9717-490d-acf3-433b72751809/bin/utaipan/data/716001977/fbbc575826824568b79a4091940cba7f/FLAGc52bf42e1 [2020-11-22 12:57:46,061 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:57:46,062 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4885b709-9717-490d-acf3-433b72751809/sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c [2020-11-22 12:57:46,074 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4885b709-9717-490d-acf3-433b72751809/bin/utaipan/data/716001977/fbbc575826824568b79a4091940cba7f/FLAGc52bf42e1 [2020-11-22 12:57:46,284 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4885b709-9717-490d-acf3-433b72751809/bin/utaipan/data/716001977/fbbc575826824568b79a4091940cba7f [2020-11-22 12:57:46,287 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:57:46,288 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:57:46,290 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:57:46,290 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:57:46,293 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:57:46,294 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:57:46" (1/1) ... [2020-11-22 12:57:46,296 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@181fe589 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:46, skipping insertion in model container [2020-11-22 12:57:46,296 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:57:46" (1/1) ... [2020-11-22 12:57:46,317 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:57:46,373 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:57:46,663 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:57:46,676 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-22 12:57:46,705 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:57:46,821 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:57:46,834 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 12:57:46,917 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:57:46,964 INFO L208 MainTranslator]: Completed translation [2020-11-22 12:57:46,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:46 WrapperNode [2020-11-22 12:57:46,964 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:57:46,966 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 12:57:46,966 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 12:57:46,966 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 12:57:46,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:46" (1/1) ... [2020-11-22 12:57:46,993 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:46" (1/1) ... [2020-11-22 12:57:47,125 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 12:57:47,126 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 12:57:47,126 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 12:57:47,126 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 12:57:47,135 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:46" (1/1) ... [2020-11-22 12:57:47,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:46" (1/1) ... [2020-11-22 12:57:47,150 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:46" (1/1) ... [2020-11-22 12:57:47,152 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:46" (1/1) ... [2020-11-22 12:57:47,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:46" (1/1) ... [2020-11-22 12:57:47,262 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:46" (1/1) ... [2020-11-22 12:57:47,288 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:46" (1/1) ... [2020-11-22 12:57:47,304 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 12:57:47,305 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 12:57:47,305 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 12:57:47,305 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 12:57:47,306 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4885b709-9717-490d-acf3-433b72751809/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 12:57:47,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 12:57:47,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 12:57:47,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 12:57:47,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 12:57:50,897 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 12:57:50,899 INFO L298 CfgBuilder]: Removed 912 assume(true) statements. [2020-11-22 12:57:50,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:57:50 BoogieIcfgContainer [2020-11-22 12:57:50,903 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 12:57:50,904 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 12:57:50,905 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 12:57:50,908 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 12:57:50,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:57:46" (1/3) ... [2020-11-22 12:57:50,910 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cd5d944 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:57:50, skipping insertion in model container [2020-11-22 12:57:50,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:46" (2/3) ... [2020-11-22 12:57:50,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cd5d944 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:57:50, skipping insertion in model container [2020-11-22 12:57:50,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:57:50" (3/3) ... [2020-11-22 12:57:50,913 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_productSimulator.cil.c [2020-11-22 12:57:50,924 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 12:57:50,929 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-22 12:57:50,940 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-22 12:57:50,981 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 12:57:50,981 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 12:57:50,982 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 12:57:50,982 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 12:57:50,982 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 12:57:50,982 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 12:57:50,982 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 12:57:50,982 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 12:57:51,015 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states. [2020-11-22 12:57:51,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-22 12:57:51,022 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:57:51,023 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:57:51,023 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:57:51,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:57:51,027 INFO L82 PathProgramCache]: Analyzing trace with hash 35642371, now seen corresponding path program 1 times [2020-11-22 12:57:51,040 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:57:51,040 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [151035913] [2020-11-22 12:57:51,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4885b709-9717-490d-acf3-433b72751809/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 12:57:51,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:57:51,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 12:57:51,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:57:51,353 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 12:57:51,354 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:57:51,359 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 12:57:51,360 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [151035913] [2020-11-22 12:57:51,361 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:57:51,361 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 12:57:51,362 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430639194] [2020-11-22 12:57:51,366 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 12:57:51,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:57:51,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 12:57:51,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 12:57:51,381 INFO L87 Difference]: Start difference. First operand 479 states. Second operand 2 states. [2020-11-22 12:57:51,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:57:51,446 INFO L93 Difference]: Finished difference Result 942 states and 1475 transitions. [2020-11-22 12:57:51,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 12:57:51,447 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 25 [2020-11-22 12:57:51,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:57:51,464 INFO L225 Difference]: With dead ends: 942 [2020-11-22 12:57:51,464 INFO L226 Difference]: Without dead ends: 472 [2020-11-22 12:57:51,469 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 48 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 12:57:51,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2020-11-22 12:57:51,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 472. [2020-11-22 12:57:51,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 472 states. [2020-11-22 12:57:51,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 731 transitions. [2020-11-22 12:57:51,547 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 731 transitions. Word has length 25 [2020-11-22 12:57:51,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:57:51,548 INFO L481 AbstractCegarLoop]: Abstraction has 472 states and 731 transitions. [2020-11-22 12:57:51,548 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 12:57:51,548 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 731 transitions. [2020-11-22 12:57:51,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-22 12:57:51,552 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:57:51,553 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 12:57:51,769 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 12:57:51,769 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:57:51,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:57:51,770 INFO L82 PathProgramCache]: Analyzing trace with hash -1102723097, now seen corresponding path program 1 times [2020-11-22 12:57:51,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:57:51,771 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [360543173] [2020-11-22 12:57:51,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4885b709-9717-490d-acf3-433b72751809/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 12:57:52,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:57:52,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:57:52,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:57:52,097 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 12:57:52,097 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:57:52,114 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 12:57:52,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [360543173] [2020-11-22 12:57:52,115 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:57:52,115 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 12:57:52,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786221105] [2020-11-22 12:57:52,116 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:57:52,117 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:57:52,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:57:52,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:57:52,118 INFO L87 Difference]: Start difference. First operand 472 states and 731 transitions. Second operand 4 states. [2020-11-22 12:57:52,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:57:52,168 INFO L93 Difference]: Finished difference Result 472 states and 731 transitions. [2020-11-22 12:57:52,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:57:52,170 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2020-11-22 12:57:52,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:57:52,174 INFO L225 Difference]: With dead ends: 472 [2020-11-22 12:57:52,174 INFO L226 Difference]: Without dead ends: 174 [2020-11-22 12:57:52,178 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 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 12:57:52,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2020-11-22 12:57:52,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2020-11-22 12:57:52,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2020-11-22 12:57:52,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 266 transitions. [2020-11-22 12:57:52,203 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 266 transitions. Word has length 26 [2020-11-22 12:57:52,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:57:52,207 INFO L481 AbstractCegarLoop]: Abstraction has 174 states and 266 transitions. [2020-11-22 12:57:52,207 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:57:52,207 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 266 transitions. [2020-11-22 12:57:52,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-22 12:57:52,210 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:57:52,211 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:57:52,423 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 12:57:52,424 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:57:52,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:57:52,425 INFO L82 PathProgramCache]: Analyzing trace with hash 1733739639, now seen corresponding path program 1 times [2020-11-22 12:57:52,426 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:57:52,426 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1307299139] [2020-11-22 12:57:52,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4885b709-9717-490d-acf3-433b72751809/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 12:57:52,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:57:52,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:57:52,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:57:52,716 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 12:57:52,717 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:57:52,729 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 12:57:52,730 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1307299139] [2020-11-22 12:57:52,730 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:57:52,730 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2020-11-22 12:57:52,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328070728] [2020-11-22 12:57:52,731 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:57:52,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:57:52,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:57:52,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:57:52,732 INFO L87 Difference]: Start difference. First operand 174 states and 266 transitions. Second operand 4 states. [2020-11-22 12:57:52,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:57:52,771 INFO L93 Difference]: Finished difference Result 523 states and 813 transitions. [2020-11-22 12:57:52,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-22 12:57:52,771 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-11-22 12:57:52,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:57:52,774 INFO L225 Difference]: With dead ends: 523 [2020-11-22 12:57:52,774 INFO L226 Difference]: Without dead ends: 362 [2020-11-22 12:57:52,775 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 60 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 12:57:52,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2020-11-22 12:57:52,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 197. [2020-11-22 12:57:52,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-11-22 12:57:52,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 302 transitions. [2020-11-22 12:57:52,794 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 302 transitions. Word has length 32 [2020-11-22 12:57:52,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:57:52,795 INFO L481 AbstractCegarLoop]: Abstraction has 197 states and 302 transitions. [2020-11-22 12:57:52,795 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:57:52,795 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 302 transitions. [2020-11-22 12:57:52,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-22 12:57:52,797 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:57:52,797 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:57:53,016 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 12:57:53,017 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:57:53,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:57:53,017 INFO L82 PathProgramCache]: Analyzing trace with hash -614678817, now seen corresponding path program 1 times [2020-11-22 12:57:53,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:57:53,018 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1385914777] [2020-11-22 12:57:53,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4885b709-9717-490d-acf3-433b72751809/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 12:57:53,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:57:53,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:57:53,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:57:53,246 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 12:57:53,246 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:57:53,252 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 12:57:53,252 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1385914777] [2020-11-22 12:57:53,252 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:57:53,252 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 12:57:53,253 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081549828] [2020-11-22 12:57:53,253 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 12:57:53,253 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:57:53,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 12:57:53,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 12:57:53,254 INFO L87 Difference]: Start difference. First operand 197 states and 302 transitions. Second operand 3 states. [2020-11-22 12:57:53,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:57:53,376 INFO L93 Difference]: Finished difference Result 394 states and 612 transitions. [2020-11-22 12:57:53,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:57:53,377 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2020-11-22 12:57:53,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:57:53,378 INFO L225 Difference]: With dead ends: 394 [2020-11-22 12:57:53,378 INFO L226 Difference]: Without dead ends: 210 [2020-11-22 12:57:53,379 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 12:57:53,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2020-11-22 12:57:53,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 208. [2020-11-22 12:57:53,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2020-11-22 12:57:53,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 311 transitions. [2020-11-22 12:57:53,394 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 311 transitions. Word has length 35 [2020-11-22 12:57:53,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:57:53,395 INFO L481 AbstractCegarLoop]: Abstraction has 208 states and 311 transitions. [2020-11-22 12:57:53,395 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 12:57:53,395 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 311 transitions. [2020-11-22 12:57:53,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-22 12:57:53,396 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:57:53,396 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:57:53,613 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 12:57:53,613 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:57:53,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:57:53,614 INFO L82 PathProgramCache]: Analyzing trace with hash -227430660, now seen corresponding path program 1 times [2020-11-22 12:57:53,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:57:53,615 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [868199089] [2020-11-22 12:57:53,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4885b709-9717-490d-acf3-433b72751809/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 12:57:53,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:57:53,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 12:57:53,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:57:53,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:57:53,832 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:57:53,875 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 12:57:53,875 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [868199089] [2020-11-22 12:57:53,876 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:57:53,876 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2020-11-22 12:57:53,876 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682468866] [2020-11-22 12:57:53,877 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-22 12:57:53,878 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:57:53,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-22 12:57:53,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-22 12:57:53,879 INFO L87 Difference]: Start difference. First operand 208 states and 311 transitions. Second operand 8 states. [2020-11-22 12:57:54,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:57:54,829 INFO L93 Difference]: Finished difference Result 2557 states and 3926 transitions. [2020-11-22 12:57:54,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-11-22 12:57:54,830 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2020-11-22 12:57:54,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:57:54,847 INFO L225 Difference]: With dead ends: 2557 [2020-11-22 12:57:54,850 INFO L226 Difference]: Without dead ends: 2362 [2020-11-22 12:57:54,852 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2020-11-22 12:57:54,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2362 states. [2020-11-22 12:57:54,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2362 to 511. [2020-11-22 12:57:54,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 511 states. [2020-11-22 12:57:54,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 761 transitions. [2020-11-22 12:57:54,949 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 761 transitions. Word has length 35 [2020-11-22 12:57:54,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:57:54,951 INFO L481 AbstractCegarLoop]: Abstraction has 511 states and 761 transitions. [2020-11-22 12:57:54,951 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-22 12:57:54,951 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 761 transitions. [2020-11-22 12:57:54,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-22 12:57:54,954 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:57:54,954 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:57:55,170 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-22 12:57:55,170 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:57:55,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:57:55,171 INFO L82 PathProgramCache]: Analyzing trace with hash 223425023, now seen corresponding path program 1 times [2020-11-22 12:57:55,171 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:57:55,172 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1137960854] [2020-11-22 12:57:55,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4885b709-9717-490d-acf3-433b72751809/bin/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-11-22 12:57:56,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 12:57:56,339 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 12:57:57,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 12:57:57,665 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 12:57:57,837 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2020-11-22 12:57:57,838 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-22 12:57:58,055 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-11-22 12:57:58,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:57:58 BoogieIcfgContainer [2020-11-22 12:57:58,193 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 12:57:58,193 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 12:57:58,193 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 12:57:58,194 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 12:57:58,194 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:57:50" (3/4) ... [2020-11-22 12:57:58,196 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-22 12:57:58,355 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4885b709-9717-490d-acf3-433b72751809/bin/utaipan/witness.graphml [2020-11-22 12:57:58,355 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 12:57:58,357 INFO L168 Benchmark]: Toolchain (without parser) took 12067.73 ms. Allocated memory was 58.7 MB in the beginning and 144.7 MB in the end (delta: 86.0 MB). Free memory was 37.7 MB in the beginning and 99.4 MB in the end (delta: -61.7 MB). Peak memory consumption was 90.3 MB. Max. memory is 16.1 GB. [2020-11-22 12:57:58,357 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 58.7 MB. Free memory is still 40.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:57:58,358 INFO L168 Benchmark]: CACSL2BoogieTranslator took 674.97 ms. Allocated memory is still 58.7 MB. Free memory was 37.5 MB in the beginning and 26.2 MB in the end (delta: 11.3 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.1 GB. [2020-11-22 12:57:58,359 INFO L168 Benchmark]: Boogie Procedure Inliner took 159.69 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 26.2 MB in the beginning and 46.1 MB in the end (delta: -19.9 MB). Peak memory consumption was 8.8 MB. Max. memory is 16.1 GB. [2020-11-22 12:57:58,359 INFO L168 Benchmark]: Boogie Preprocessor took 178.04 ms. Allocated memory is still 71.3 MB. Free memory was 46.1 MB in the beginning and 38.5 MB in the end (delta: 7.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-22 12:57:58,360 INFO L168 Benchmark]: RCFGBuilder took 3598.30 ms. Allocated memory was 71.3 MB in the beginning and 96.5 MB in the end (delta: 25.2 MB). Free memory was 38.5 MB in the beginning and 50.4 MB in the end (delta: -11.9 MB). Peak memory consumption was 27.6 MB. Max. memory is 16.1 GB. [2020-11-22 12:57:58,360 INFO L168 Benchmark]: TraceAbstraction took 7288.67 ms. Allocated memory was 96.5 MB in the beginning and 144.7 MB in the end (delta: 48.2 MB). Free memory was 49.7 MB in the beginning and 40.2 MB in the end (delta: 9.5 MB). Peak memory consumption was 58.8 MB. Max. memory is 16.1 GB. [2020-11-22 12:57:58,360 INFO L168 Benchmark]: Witness Printer took 161.83 ms. Allocated memory is still 144.7 MB. Free memory was 40.2 MB in the beginning and 99.4 MB in the end (delta: -59.2 MB). Peak memory consumption was 3.7 MB. Max. memory is 16.1 GB. [2020-11-22 12:57:58,363 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 58.7 MB. Free memory is still 40.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 674.97 ms. Allocated memory is still 58.7 MB. Free memory was 37.5 MB in the beginning and 26.2 MB in the end (delta: 11.3 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 159.69 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 26.2 MB in the beginning and 46.1 MB in the end (delta: -19.9 MB). Peak memory consumption was 8.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 178.04 ms. Allocated memory is still 71.3 MB. Free memory was 46.1 MB in the beginning and 38.5 MB in the end (delta: 7.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3598.30 ms. Allocated memory was 71.3 MB in the beginning and 96.5 MB in the end (delta: 25.2 MB). Free memory was 38.5 MB in the beginning and 50.4 MB in the end (delta: -11.9 MB). Peak memory consumption was 27.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7288.67 ms. Allocated memory was 96.5 MB in the beginning and 144.7 MB in the end (delta: 48.2 MB). Free memory was 49.7 MB in the beginning and 40.2 MB in the end (delta: 9.5 MB). Peak memory consumption was 58.8 MB. Max. memory is 16.1 GB. * Witness Printer took 161.83 ms. Allocated memory is still 144.7 MB. Free memory was 40.2 MB in the beginning and 99.4 MB in the end (delta: -59.2 MB). Peak memory consumption was 3.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L211] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L408] int cleanupTimeShifts = 4; [L512] int __SELECTED_FEATURE_base ; [L513] int __SELECTED_FEATURE_highWaterSensor ; [L514] int __SELECTED_FEATURE_lowWaterSensor ; [L515] int __SELECTED_FEATURE_methaneQuery ; [L516] int __SELECTED_FEATURE_methaneAlarm ; [L517] int __SELECTED_FEATURE_stopCommand ; [L518] int __SELECTED_FEATURE_startCommand ; [L519] int __GUIDSL_ROOT_PRODUCTION ; [L607] int pumpRunning = 0; [L608] int systemActive = 1; [L1029] int waterLevel = 1; [L1030] int methaneLevelCritical = 0; VAL [__GUIDSL_ROOT_PRODUCTION=0, __SELECTED_FEATURE_base=0, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L489] int retValue_acc ; [L490] int tmp ; [L970] __GUIDSL_ROOT_PRODUCTION = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=0, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L955] __SELECTED_FEATURE_base = 1 [L941] int retValue_acc ; [L942] int choice = __VERIFIER_nondet_int(); [L945] retValue_acc = choice [L946] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L956] __SELECTED_FEATURE_highWaterSensor = select_one() [L941] int retValue_acc ; [L942] int choice = __VERIFIER_nondet_int(); [L945] retValue_acc = choice [L946] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L957] __SELECTED_FEATURE_lowWaterSensor = select_one() [L941] int retValue_acc ; [L942] int choice = __VERIFIER_nondet_int(); [L945] retValue_acc = choice [L946] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L958] __SELECTED_FEATURE_methaneQuery = select_one() [L941] int retValue_acc ; [L942] int choice = __VERIFIER_nondet_int(); [L945] retValue_acc = choice [L946] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L959] __SELECTED_FEATURE_methaneAlarm = select_one() [L941] int retValue_acc ; [L942] int choice = __VERIFIER_nondet_int(); [L945] retValue_acc = choice [L946] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=14, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L960] __SELECTED_FEATURE_stopCommand = select_one() [L941] int retValue_acc ; [L942] int choice = __VERIFIER_nondet_int(); [L945] retValue_acc = choice [L946] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=14, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=2147483648, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L961] __SELECTED_FEATURE_startCommand = select_one() [L975] int retValue_acc ; [L978] retValue_acc = __SELECTED_FEATURE_base [L979] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=14, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=15, __SELECTED_FEATURE_stopCommand=2147483648, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L496] tmp = valid_product() [L498] COND TRUE \read(tmp) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=14, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=15, __SELECTED_FEATURE_stopCommand=2147483648, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L523] int splverifierCounter ; [L524] int tmp ; [L525] int tmp___0 ; [L526] int tmp___1 ; [L527] int tmp___2 ; [L530] splverifierCounter = 0 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=14, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=15, __SELECTED_FEATURE_stopCommand=2147483648, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L532] COND TRUE 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=14, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=15, __SELECTED_FEATURE_stopCommand=2147483648, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L534] COND TRUE splverifierCounter < 4 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=14, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=15, __SELECTED_FEATURE_stopCommand=2147483648, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L540] tmp = __VERIFIER_nondet_int() [L542] COND TRUE \read(tmp) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=14, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=15, __SELECTED_FEATURE_stopCommand=2147483648, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1047] COND TRUE waterLevel < 2 [L1048] waterLevel = waterLevel + 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=14, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=15, __SELECTED_FEATURE_stopCommand=2147483648, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L550] tmp___0 = __VERIFIER_nondet_int() [L552] COND FALSE !(\read(tmp___0)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=14, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=15, __SELECTED_FEATURE_stopCommand=2147483648, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L560] tmp___2 = __VERIFIER_nondet_int() [L562] COND FALSE !(\read(tmp___2)) [L572] tmp___1 = __VERIFIER_nondet_int() [L574] COND TRUE \read(tmp___1) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=14, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=15, __SELECTED_FEATURE_stopCommand=2147483648, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L575] COND TRUE \read(__SELECTED_FEATURE_stopCommand) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=14, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=15, __SELECTED_FEATURE_stopCommand=2147483648, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L919] COND FALSE !(\read(pumpRunning)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=14, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=15, __SELECTED_FEATURE_stopCommand=2147483648, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L926] systemActive = 0 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=14, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=15, __SELECTED_FEATURE_stopCommand=2147483648, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L615] COND FALSE !(\read(pumpRunning)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=14, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=15, __SELECTED_FEATURE_stopCommand=2147483648, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L622] COND FALSE !(\read(systemActive)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=14, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=15, __SELECTED_FEATURE_stopCommand=2147483648, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L987] int tmp ; [L988] int tmp___0 ; [L989] int tmp___1 ; [L1068] int retValue_acc ; [L1071] retValue_acc = methaneLevelCritical [L1072] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=14, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=15, __SELECTED_FEATURE_stopCommand=2147483648, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L993] tmp = isMethaneLevelCritical() [L995] COND FALSE !(\read(tmp)) [L1100] int retValue_acc ; [L1103] retValue_acc = waterLevel [L1104] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=14, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=15, __SELECTED_FEATURE_stopCommand=2147483648, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L999] tmp___0 = getWaterLevel() [L1001] COND TRUE tmp___0 == 2 [L833] int retValue_acc ; [L836] retValue_acc = pumpRunning [L837] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=14, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=15, __SELECTED_FEATURE_stopCommand=2147483648, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L1003] tmp___1 = isPumpRunning() [L1005] COND FALSE !(\read(tmp___1)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=14, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=15, __SELECTED_FEATURE_stopCommand=2147483648, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L3] __assert_fail("0", "minepump_spec3_productSimulator.cil.c", 3, "reach_error") VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=14, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=15, __SELECTED_FEATURE_stopCommand=2147483648, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 479 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 7.0s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1916 SDtfs, 5431 SDslu, 2736 SDs, 0 SdLazy, 340 SolverSat, 58 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 305 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=511occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 2018 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 189 NumberOfCodeBlocks, 189 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 296 ConstructedInterpolants, 0 QuantifiedInterpolants, 26481 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1137 ConjunctsInSsa, 12 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 incorrect! Received shutdown request...