./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product02.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_4a675fa0-be66-4254-aee0-21d9d53e28e9/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4a675fa0-be66-4254-aee0-21d9d53e28e9/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4a675fa0-be66-4254-aee0-21d9d53e28e9/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4a675fa0-be66-4254-aee0-21d9d53e28e9/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4a675fa0-be66-4254-aee0-21d9d53e28e9/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4a675fa0-be66-4254-aee0-21d9d53e28e9/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 6a18f617941e8cdfed5633e004145f254bf7fa9d ............................................................................................................................................ 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_4a675fa0-be66-4254-aee0-21d9d53e28e9/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4a675fa0-be66-4254-aee0-21d9d53e28e9/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4a675fa0-be66-4254-aee0-21d9d53e28e9/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4a675fa0-be66-4254-aee0-21d9d53e28e9/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4a675fa0-be66-4254-aee0-21d9d53e28e9/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4a675fa0-be66-4254-aee0-21d9d53e28e9/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 6a18f617941e8cdfed5633e004145f254bf7fa9d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 12:56:38,567 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:56:38,569 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:56:38,665 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:56:38,666 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:56:38,667 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:56:38,669 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:56:38,671 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:56:38,677 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:56:38,683 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:56:38,684 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:56:38,685 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:56:38,686 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:56:38,687 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:56:38,688 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:56:38,690 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:56:38,691 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:56:38,692 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:56:38,695 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:56:38,703 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:56:38,708 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:56:38,711 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:56:38,717 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:56:38,719 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:56:38,728 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:56:38,728 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:56:38,729 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:56:38,730 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:56:38,731 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:56:38,732 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:56:38,733 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:56:38,734 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:56:38,736 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:56:38,737 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:56:38,738 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:56:38,738 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:56:38,739 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:56:38,739 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:56:38,739 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:56:38,740 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:56:38,741 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:56:38,743 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4a675fa0-be66-4254-aee0-21d9d53e28e9/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 12:56:38,782 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:56:38,782 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:56:38,784 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:56:38,784 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:56:38,784 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:56:38,784 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:56:38,784 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 12:56:38,785 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:56:38,785 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:56:38,785 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 12:56:38,786 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 12:56:38,786 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:56:38,786 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 12:56:38,787 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 12:56:38,787 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 12:56:38,788 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:56:38,788 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:56:38,788 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 12:56:38,788 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:56:38,788 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:56:38,788 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:56:38,789 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:56:38,789 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:56:38,789 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:56:38,789 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:56:38,789 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:56:38,790 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:56:38,790 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:56:38,790 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:56:38,791 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:56:38,792 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:56:38,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:56:38,792 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:56:38,792 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:56:38,792 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:56:38,793 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 12:56:38,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 12:56:38,793 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:56:38,793 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:56:38,793 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:56:38,793 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_4a675fa0-be66-4254-aee0-21d9d53e28e9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4a675fa0-be66-4254-aee0-21d9d53e28e9/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a18f617941e8cdfed5633e004145f254bf7fa9d [2020-11-22 12:56:39,100 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:56:39,140 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:56:39,142 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:56:39,144 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:56:39,149 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:56:39,150 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4a675fa0-be66-4254-aee0-21d9d53e28e9/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c [2020-11-22 12:56:39,239 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4a675fa0-be66-4254-aee0-21d9d53e28e9/bin/utaipan/data/7d9d1052c/d73f030190f24d888011d0283f25ac99/FLAGd72048145 [2020-11-22 12:56:39,863 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:56:39,863 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4a675fa0-be66-4254-aee0-21d9d53e28e9/sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c [2020-11-22 12:56:39,881 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4a675fa0-be66-4254-aee0-21d9d53e28e9/bin/utaipan/data/7d9d1052c/d73f030190f24d888011d0283f25ac99/FLAGd72048145 [2020-11-22 12:56:40,149 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4a675fa0-be66-4254-aee0-21d9d53e28e9/bin/utaipan/data/7d9d1052c/d73f030190f24d888011d0283f25ac99 [2020-11-22 12:56:40,152 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:56:40,154 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:56:40,156 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:56:40,156 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:56:40,159 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:56:40,160 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:56:40" (1/1) ... [2020-11-22 12:56:40,162 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8bf1422 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:40, skipping insertion in model container [2020-11-22 12:56:40,163 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:56:40" (1/1) ... [2020-11-22 12:56:40,170 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:56:40,238 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:56:40,549 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:56:40,572 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 12:56:40,572 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3c288629 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:40, skipping insertion in model container [2020-11-22 12:56:40,573 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:56:40,573 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 12:56:40,575 INFO L168 Benchmark]: Toolchain (without parser) took 420.45 ms. Allocated memory is still 92.3 MB. Free memory was 58.4 MB in the beginning and 66.5 MB in the end (delta: -8.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:40,576 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 69.2 MB. Free memory was 30.9 MB in the beginning and 30.9 MB in the end (delta: 33.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:56:40,576 INFO L168 Benchmark]: CACSL2BoogieTranslator took 417.48 ms. Allocated memory is still 92.3 MB. Free memory was 58.2 MB in the beginning and 66.5 MB in the end (delta: -8.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:40,578 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 69.2 MB. Free memory was 30.9 MB in the beginning and 30.9 MB in the end (delta: 33.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 417.48 ms. Allocated memory is still 92.3 MB. Free memory was 58.2 MB in the beginning and 66.5 MB in the end (delta: -8.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 419]: 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 12:56:42,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:56:42,781 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:56:42,811 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:56:42,811 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:56:42,813 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:56:42,815 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:56:42,817 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:56:42,820 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:56:42,821 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:56:42,822 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:56:42,824 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:56:42,825 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:56:42,826 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:56:42,828 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:56:42,829 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:56:42,830 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:56:42,832 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:56:42,834 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:56:42,836 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:56:42,838 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:56:42,840 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:56:42,842 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:56:42,843 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:56:42,846 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:56:42,847 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:56:42,848 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:56:42,849 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:56:42,849 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:56:42,851 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:56:42,851 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:56:42,852 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:56:42,854 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:56:42,855 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:56:42,856 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:56:42,856 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:56:42,857 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:56:42,857 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:56:42,858 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:56:42,859 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:56:42,860 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:56:42,860 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4a675fa0-be66-4254-aee0-21d9d53e28e9/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 12:56:42,903 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:56:42,904 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:56:42,905 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:56:42,905 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:56:42,905 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:56:42,905 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:56:42,906 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:56:42,906 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:56:42,906 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:56:42,907 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:56:42,907 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:56:42,908 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:56:42,908 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:56:42,908 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:56:42,908 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:56:42,909 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:56:42,909 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:56:42,911 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 12:56:42,912 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 12:56:42,912 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:56:42,912 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:56:42,913 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:56:42,913 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:56:42,914 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:56:42,914 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 12:56:42,914 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:56:42,914 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:56:42,915 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:56:42,916 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:56:42,916 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:56:42,916 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:56:42,917 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 12:56:42,917 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 12:56:42,917 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:56:42,918 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:56:42,918 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:56:42,919 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_4a675fa0-be66-4254-aee0-21d9d53e28e9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4a675fa0-be66-4254-aee0-21d9d53e28e9/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a18f617941e8cdfed5633e004145f254bf7fa9d [2020-11-22 12:56:43,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:56:43,361 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:56:43,363 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:56:43,365 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:56:43,365 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:56:43,366 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4a675fa0-be66-4254-aee0-21d9d53e28e9/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c [2020-11-22 12:56:43,431 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4a675fa0-be66-4254-aee0-21d9d53e28e9/bin/utaipan/data/398664f44/cb0cc2a2f1f349dfb2ea87c54240eb30/FLAG145e6c847 [2020-11-22 12:56:44,044 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:56:44,045 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4a675fa0-be66-4254-aee0-21d9d53e28e9/sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c [2020-11-22 12:56:44,065 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4a675fa0-be66-4254-aee0-21d9d53e28e9/bin/utaipan/data/398664f44/cb0cc2a2f1f349dfb2ea87c54240eb30/FLAG145e6c847 [2020-11-22 12:56:44,341 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4a675fa0-be66-4254-aee0-21d9d53e28e9/bin/utaipan/data/398664f44/cb0cc2a2f1f349dfb2ea87c54240eb30 [2020-11-22 12:56:44,343 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:56:44,344 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:56:44,345 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:56:44,345 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:56:44,354 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:56:44,356 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:56:44" (1/1) ... [2020-11-22 12:56:44,358 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dd9baa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:44, skipping insertion in model container [2020-11-22 12:56:44,358 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:56:44" (1/1) ... [2020-11-22 12:56:44,365 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:56:44,410 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:56:44,853 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:56:44,876 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-22 12:56:44,890 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:56:44,941 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:56:44,949 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 12:56:45,003 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:56:45,037 INFO L208 MainTranslator]: Completed translation [2020-11-22 12:56:45,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:45 WrapperNode [2020-11-22 12:56:45,038 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:56:45,039 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 12:56:45,039 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 12:56:45,039 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 12:56:45,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:45" (1/1) ... [2020-11-22 12:56:45,064 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:45" (1/1) ... [2020-11-22 12:56:45,095 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 12:56:45,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 12:56:45,096 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 12:56:45,096 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 12:56:45,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:45" (1/1) ... [2020-11-22 12:56:45,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:45" (1/1) ... [2020-11-22 12:56:45,109 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:45" (1/1) ... [2020-11-22 12:56:45,109 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:45" (1/1) ... [2020-11-22 12:56:45,119 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:45" (1/1) ... [2020-11-22 12:56:45,124 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:45" (1/1) ... [2020-11-22 12:56:45,127 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:45" (1/1) ... [2020-11-22 12:56:45,131 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 12:56:45,132 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 12:56:45,133 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 12:56:45,133 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 12:56:45,134 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4a675fa0-be66-4254-aee0-21d9d53e28e9/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 12:56:45,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 12:56:45,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 12:56:45,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 12:56:45,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 12:56:47,608 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 12:56:47,609 INFO L298 CfgBuilder]: Removed 74 assume(true) statements. [2020-11-22 12:56:47,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:56:47 BoogieIcfgContainer [2020-11-22 12:56:47,614 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 12:56:47,618 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 12:56:47,618 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 12:56:47,621 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 12:56:47,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:56:44" (1/3) ... [2020-11-22 12:56:47,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64f7193b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:56:47, skipping insertion in model container [2020-11-22 12:56:47,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:45" (2/3) ... [2020-11-22 12:56:47,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64f7193b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:56:47, skipping insertion in model container [2020-11-22 12:56:47,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:56:47" (3/3) ... [2020-11-22 12:56:47,625 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product02.cil.c [2020-11-22 12:56:47,636 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 12:56:47,640 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-22 12:56:47,653 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-22 12:56:47,685 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 12:56:47,685 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 12:56:47,686 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 12:56:47,686 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 12:56:47,686 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 12:56:47,686 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 12:56:47,686 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 12:56:47,686 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 12:56:47,704 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states. [2020-11-22 12:56:47,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-22 12:56:47,711 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:56:47,712 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:56:47,712 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:56:47,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:56:47,718 INFO L82 PathProgramCache]: Analyzing trace with hash 436617332, now seen corresponding path program 1 times [2020-11-22 12:56:47,740 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:56:47,740 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [653344996] [2020-11-22 12:56:47,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4a675fa0-be66-4254-aee0-21d9d53e28e9/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 12:56:47,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:56:48,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 12:56:48,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:56:48,023 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 12:56:48,023 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:56:48,028 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 12:56:48,029 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [653344996] [2020-11-22 12:56:48,029 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:56:48,030 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 12:56:48,030 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120101329] [2020-11-22 12:56:48,034 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 12:56:48,034 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:56:48,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 12:56:48,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 12:56:48,048 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 2 states. [2020-11-22 12:56:48,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:56:48,081 INFO L93 Difference]: Finished difference Result 111 states and 164 transitions. [2020-11-22 12:56:48,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 12:56:48,084 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-22 12:56:48,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:56:48,093 INFO L225 Difference]: With dead ends: 111 [2020-11-22 12:56:48,094 INFO L226 Difference]: Without dead ends: 53 [2020-11-22 12:56:48,098 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 12:56:48,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-11-22 12:56:48,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-11-22 12:56:48,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-11-22 12:56:48,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2020-11-22 12:56:48,138 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 16 [2020-11-22 12:56:48,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:56:48,139 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2020-11-22 12:56:48,140 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 12:56:48,140 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2020-11-22 12:56:48,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-22 12:56:48,141 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:56:48,142 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:56:48,346 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 12:56:48,346 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:56:48,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:56:48,347 INFO L82 PathProgramCache]: Analyzing trace with hash -610139565, now seen corresponding path program 1 times [2020-11-22 12:56:48,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:56:48,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1267542887] [2020-11-22 12:56:48,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4a675fa0-be66-4254-aee0-21d9d53e28e9/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 12:56:48,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:56:48,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:56:48,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:56:48,550 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 12:56:48,550 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:56:48,568 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 12:56:48,569 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1267542887] [2020-11-22 12:56:48,569 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:56:48,569 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 12:56:48,569 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507107136] [2020-11-22 12:56:48,570 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:56:48,571 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:56:48,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:56:48,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:56:48,572 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand 4 states. [2020-11-22 12:56:48,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:56:48,584 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2020-11-22 12:56:48,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:56:48,584 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-11-22 12:56:48,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:56:48,585 INFO L225 Difference]: With dead ends: 53 [2020-11-22 12:56:48,586 INFO L226 Difference]: Without dead ends: 27 [2020-11-22 12:56:48,586 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:56:48,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-11-22 12:56:48,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-11-22 12:56:48,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-11-22 12:56:48,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2020-11-22 12:56:48,591 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 17 [2020-11-22 12:56:48,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:56:48,592 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2020-11-22 12:56:48,592 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:56:48,592 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2020-11-22 12:56:48,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-22 12:56:48,593 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:56:48,593 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:56:48,813 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 12:56:48,813 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:56:48,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:56:48,814 INFO L82 PathProgramCache]: Analyzing trace with hash -1992386864, now seen corresponding path program 1 times [2020-11-22 12:56:48,815 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:56:48,815 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2114617162] [2020-11-22 12:56:48,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4a675fa0-be66-4254-aee0-21d9d53e28e9/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 12:56:48,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:56:49,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 12:56:49,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:56:49,132 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 12:56:49,132 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:56:49,186 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 12:56:49,187 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2114617162] [2020-11-22 12:56:49,187 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:56:49,188 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2020-11-22 12:56:49,188 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129043618] [2020-11-22 12:56:49,190 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-22 12:56:49,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:56:49,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-22 12:56:49,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-22 12:56:49,197 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand 8 states. [2020-11-22 12:56:49,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:56:49,548 INFO L93 Difference]: Finished difference Result 154 states and 241 transitions. [2020-11-22 12:56:49,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-22 12:56:49,549 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2020-11-22 12:56:49,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:56:49,552 INFO L225 Difference]: With dead ends: 154 [2020-11-22 12:56:49,552 INFO L226 Difference]: Without dead ends: 133 [2020-11-22 12:56:49,553 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2020-11-22 12:56:49,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-11-22 12:56:49,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 60. [2020-11-22 12:56:49,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-11-22 12:56:49,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 85 transitions. [2020-11-22 12:56:49,568 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 85 transitions. Word has length 22 [2020-11-22 12:56:49,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:56:49,568 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 85 transitions. [2020-11-22 12:56:49,568 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-22 12:56:49,568 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 85 transitions. [2020-11-22 12:56:49,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-22 12:56:49,569 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:56:49,569 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:56:49,787 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 12:56:49,788 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:56:49,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:56:49,788 INFO L82 PathProgramCache]: Analyzing trace with hash 1296861074, now seen corresponding path program 1 times [2020-11-22 12:56:49,789 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:56:49,789 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [138857748] [2020-11-22 12:56:49,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4a675fa0-be66-4254-aee0-21d9d53e28e9/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 12:56:49,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:56:49,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:56:49,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:56:50,007 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 12:56:50,007 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:56:50,011 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 12:56:50,011 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [138857748] [2020-11-22 12:56:50,011 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:56:50,012 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 12:56:50,012 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626573804] [2020-11-22 12:56:50,012 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 12:56:50,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:56:50,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 12:56:50,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 12:56:50,013 INFO L87 Difference]: Start difference. First operand 60 states and 85 transitions. Second operand 3 states. [2020-11-22 12:56:50,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:56:50,045 INFO L93 Difference]: Finished difference Result 95 states and 136 transitions. [2020-11-22 12:56:50,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:56:50,045 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2020-11-22 12:56:50,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:56:50,046 INFO L225 Difference]: With dead ends: 95 [2020-11-22 12:56:50,046 INFO L226 Difference]: Without dead ends: 57 [2020-11-22 12:56:50,047 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 43 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 12:56:50,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-11-22 12:56:50,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-11-22 12:56:50,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-11-22 12:56:50,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 77 transitions. [2020-11-22 12:56:50,057 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 77 transitions. Word has length 23 [2020-11-22 12:56:50,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:56:50,057 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 77 transitions. [2020-11-22 12:56:50,057 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 12:56:50,057 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2020-11-22 12:56:50,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-22 12:56:50,059 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:56:50,059 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:56:50,275 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 12:56:50,275 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:56:50,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:56:50,276 INFO L82 PathProgramCache]: Analyzing trace with hash 1471456368, now seen corresponding path program 1 times [2020-11-22 12:56:50,276 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:56:50,277 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1790738990] [2020-11-22 12:56:50,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4a675fa0-be66-4254-aee0-21d9d53e28e9/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 12:56:50,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:56:50,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-22 12:56:50,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:56:50,516 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:50,517 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:56:50,547 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:50,547 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1790738990] [2020-11-22 12:56:50,548 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [962310385] [2020-11-22 12:56:50,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4a675fa0-be66-4254-aee0-21d9d53e28e9/bin/utaipan/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-22 12:56:50,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:56:50,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 12:56:50,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:56:50,793 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-22 12:56:50,793 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:56:50,798 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-22 12:56:50,799 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2020-11-22 12:56:50,799 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2020-11-22 12:56:50,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95236845] [2020-11-22 12:56:50,799 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 12:56:50,800 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:56:50,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 12:56:50,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-11-22 12:56:50,801 INFO L87 Difference]: Start difference. First operand 57 states and 77 transitions. Second operand 5 states. [2020-11-22 12:56:50,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:56:50,916 INFO L93 Difference]: Finished difference Result 111 states and 157 transitions. [2020-11-22 12:56:50,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 12:56:50,917 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2020-11-22 12:56:50,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:56:50,917 INFO L225 Difference]: With dead ends: 111 [2020-11-22 12:56:50,918 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 12:56:50,919 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-11-22 12:56:50,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 12:56:50,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 12:56:50,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 12:56:50,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 12:56:50,919 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2020-11-22 12:56:50,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:56:50,920 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 12:56:50,920 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 12:56:50,920 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 12:56:50,920 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 12:56:51,332 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk,6 mathsat -unsat_core_generation=3 [2020-11-22 12:56:51,333 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 12:56:51,648 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:56:51,648 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-22 12:56:51,648 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-22 12:56:51,648 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-22 12:56:51,648 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 12:56:51,648 INFO L277 CegarLoopResult]: At program point L848(lines 829 851) the Hoare annotation is: true [2020-11-22 12:56:51,648 INFO L274 CegarLoopResult]: For program point L303(lines 303 307) no Hoare annotation was computed. [2020-11-22 12:56:51,649 INFO L274 CegarLoopResult]: For program point L237(lines 237 243) no Hoare annotation was computed. [2020-11-22 12:56:51,649 INFO L270 CegarLoopResult]: At program point L237-1(lines 237 243) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:56:51,649 INFO L270 CegarLoopResult]: At program point L816(lines 812 818) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:56:51,649 INFO L270 CegarLoopResult]: At program point L106(lines 105 124) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:56:51,649 INFO L274 CegarLoopResult]: For program point L106-1(lines 106 112) no Hoare annotation was computed. [2020-11-22 12:56:51,649 INFO L270 CegarLoopResult]: At program point L106-2(lines 105 124) the Hoare annotation is: false [2020-11-22 12:56:51,650 INFO L270 CegarLoopResult]: At program point L106-3(lines 105 124) the Hoare annotation is: false [2020-11-22 12:56:51,650 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 12:56:51,650 INFO L270 CegarLoopResult]: At program point L768-2(lines 768 782) the Hoare annotation is: false [2020-11-22 12:56:51,650 INFO L274 CegarLoopResult]: For program point L257(lines 257 270) no Hoare annotation was computed. [2020-11-22 12:56:51,650 INFO L274 CegarLoopResult]: For program point L769(line 769) no Hoare annotation was computed. [2020-11-22 12:56:51,650 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:56:51,650 INFO L274 CegarLoopResult]: For program point L373(lines 373 386) no Hoare annotation was computed. [2020-11-22 12:56:51,650 INFO L270 CegarLoopResult]: At program point L373-1(lines 1 851) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:56:51,651 INFO L274 CegarLoopResult]: For program point L373-2(lines 373 386) no Hoare annotation was computed. [2020-11-22 12:56:51,651 INFO L270 CegarLoopResult]: At program point L373-3(lines 1 851) the Hoare annotation is: false [2020-11-22 12:56:51,651 INFO L274 CegarLoopResult]: For program point L373-4(lines 373 386) no Hoare annotation was computed. [2020-11-22 12:56:51,651 INFO L270 CegarLoopResult]: At program point L373-5(lines 1 851) the Hoare annotation is: false [2020-11-22 12:56:51,651 INFO L270 CegarLoopResult]: At program point L76(lines 1 851) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:56:51,651 INFO L274 CegarLoopResult]: For program point L291(lines 291 295) no Hoare annotation was computed. [2020-11-22 12:56:51,651 INFO L274 CegarLoopResult]: For program point L291-3(lines 291 295) no Hoare annotation was computed. [2020-11-22 12:56:51,652 INFO L274 CegarLoopResult]: For program point L291-6(lines 291 295) no Hoare annotation was computed. [2020-11-22 12:56:51,652 INFO L270 CegarLoopResult]: At program point L275(lines 226 276) the Hoare annotation is: false [2020-11-22 12:56:51,652 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-22 12:56:51,652 INFO L274 CegarLoopResult]: For program point L772(lines 772 776) no Hoare annotation was computed. [2020-11-22 12:56:51,652 INFO L274 CegarLoopResult]: For program point L772-1(lines 106 112) no Hoare annotation was computed. [2020-11-22 12:56:51,652 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-11-22 12:56:51,652 INFO L274 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-11-22 12:56:51,652 INFO L274 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-11-22 12:56:51,653 INFO L270 CegarLoopResult]: At program point L360(lines 355 363) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:56:51,653 INFO L274 CegarLoopResult]: For program point L839(lines 839 846) no Hoare annotation was computed. [2020-11-22 12:56:51,653 INFO L270 CegarLoopResult]: At program point L360-1(lines 355 363) the Hoare annotation is: false [2020-11-22 12:56:51,653 INFO L270 CegarLoopResult]: At program point L360-2(lines 355 363) the Hoare annotation is: false [2020-11-22 12:56:51,653 INFO L277 CegarLoopResult]: At program point L839-1(lines 839 846) the Hoare annotation is: true [2020-11-22 12:56:51,653 INFO L274 CegarLoopResult]: For program point L228(lines 227 274) no Hoare annotation was computed. [2020-11-22 12:56:51,653 INFO L274 CegarLoopResult]: For program point L377(lines 377 383) no Hoare annotation was computed. [2020-11-22 12:56:51,653 INFO L274 CegarLoopResult]: For program point L377-2(lines 377 383) no Hoare annotation was computed. [2020-11-22 12:56:51,654 INFO L274 CegarLoopResult]: For program point L377-4(lines 377 383) no Hoare annotation was computed. [2020-11-22 12:56:51,654 INFO L270 CegarLoopResult]: At program point L113(lines 113 119) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:56:51,654 INFO L270 CegarLoopResult]: At program point L113-1(lines 113 119) the Hoare annotation is: false [2020-11-22 12:56:51,654 INFO L270 CegarLoopResult]: At program point L113-2(lines 113 119) the Hoare annotation is: false [2020-11-22 12:56:51,654 INFO L274 CegarLoopResult]: For program point L229(lines 229 233) no Hoare annotation was computed. [2020-11-22 12:56:51,654 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-22 12:56:51,654 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:56:51,655 INFO L274 CegarLoopResult]: For program point L247(lines 247 253) no Hoare annotation was computed. [2020-11-22 12:56:51,655 INFO L270 CegarLoopResult]: At program point L247-1(lines 247 253) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:56:51,655 INFO L270 CegarLoopResult]: At program point L165(lines 160 168) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:56:51,655 INFO L270 CegarLoopResult]: At program point L165-1(lines 160 168) the Hoare annotation is: false [2020-11-22 12:56:51,655 INFO L270 CegarLoopResult]: At program point L165-2(lines 160 168) the Hoare annotation is: false [2020-11-22 12:56:51,655 INFO L274 CegarLoopResult]: For program point L265(lines 265 269) no Hoare annotation was computed. [2020-11-22 12:56:51,655 INFO L270 CegarLoopResult]: At program point L265-2(lines 106 112) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:56:51,656 INFO L274 CegarLoopResult]: For program point L315(lines 315 319) no Hoare annotation was computed. [2020-11-22 12:56:51,656 INFO L270 CegarLoopResult]: At program point L84(lines 79 87) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:56:51,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:56:51 BoogieIcfgContainer [2020-11-22 12:56:51,681 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 12:56:51,681 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 12:56:51,682 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 12:56:51,682 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 12:56:51,682 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:56:47" (3/4) ... [2020-11-22 12:56:51,686 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 12:56:51,700 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-22 12:56:51,700 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-22 12:56:51,701 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-22 12:56:51,701 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-22 12:56:51,701 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-22 12:56:51,702 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 12:56:51,702 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 12:56:51,727 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2020-11-22 12:56:51,765 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4a675fa0-be66-4254-aee0-21d9d53e28e9/bin/utaipan/witness.graphml [2020-11-22 12:56:51,766 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 12:56:51,767 INFO L168 Benchmark]: Toolchain (without parser) took 7422.65 ms. Allocated memory was 60.8 MB in the beginning and 121.6 MB in the end (delta: 60.8 MB). Free memory was 41.5 MB in the beginning and 83.2 MB in the end (delta: -41.7 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:51,768 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 60.8 MB. Free memory is still 43.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:56:51,768 INFO L168 Benchmark]: CACSL2BoogieTranslator took 692.85 ms. Allocated memory was 60.8 MB in the beginning and 94.4 MB in the end (delta: 33.6 MB). Free memory was 41.4 MB in the beginning and 63.6 MB in the end (delta: -22.2 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:51,769 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.66 ms. Allocated memory is still 94.4 MB. Free memory was 63.6 MB in the beginning and 61.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:51,769 INFO L168 Benchmark]: Boogie Preprocessor took 35.53 ms. Allocated memory is still 94.4 MB. Free memory was 60.8 MB in the beginning and 59.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:51,770 INFO L168 Benchmark]: RCFGBuilder took 2481.75 ms. Allocated memory is still 94.4 MB. Free memory was 59.0 MB in the beginning and 64.3 MB in the end (delta: -5.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:51,770 INFO L168 Benchmark]: TraceAbstraction took 4063.35 ms. Allocated memory was 94.4 MB in the beginning and 121.6 MB in the end (delta: 27.3 MB). Free memory was 64.0 MB in the beginning and 88.5 MB in the end (delta: -24.5 MB). Peak memory consumption was 45.8 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:51,771 INFO L168 Benchmark]: Witness Printer took 84.36 ms. Allocated memory is still 121.6 MB. Free memory was 88.5 MB in the beginning and 83.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:51,773 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 60.8 MB. Free memory is still 43.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 692.85 ms. Allocated memory was 60.8 MB in the beginning and 94.4 MB in the end (delta: 33.6 MB). Free memory was 41.4 MB in the beginning and 63.6 MB in the end (delta: -22.2 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 56.66 ms. Allocated memory is still 94.4 MB. Free memory was 63.6 MB in the beginning and 61.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 35.53 ms. Allocated memory is still 94.4 MB. Free memory was 60.8 MB in the beginning and 59.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2481.75 ms. Allocated memory is still 94.4 MB. Free memory was 59.0 MB in the beginning and 64.3 MB in the end (delta: -5.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4063.35 ms. Allocated memory was 94.4 MB in the beginning and 121.6 MB in the end (delta: 27.3 MB). Free memory was 64.0 MB in the beginning and 88.5 MB in the end (delta: -24.5 MB). Peak memory consumption was 45.8 MB. Max. memory is 16.1 GB. * Witness Printer took 84.36 ms. Allocated memory is still 121.6 MB. Free memory was 88.5 MB in the beginning and 83.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 105]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 105]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 768]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 355]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 355]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 355]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 105]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 60 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.6s, OverallIterations: 5, TraceHistogramMax: 2, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 244 SDtfs, 359 SDslu, 368 SDs, 0 SdLazy, 87 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 304 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 73 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 25 PreInvPairs, 74 NumberOfFragments, 100 HoareAnnotationTreeSize, 25 FomulaSimplifications, 1744 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 25 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 152 NumberOfCodeBlocks, 152 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 292 ConstructedInterpolants, 0 QuantifiedInterpolants, 19592 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1209 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 46/56 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...