./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product50.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_133b5abd-87ab-4129-818f-2381c84abc5b/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_133b5abd-87ab-4129-818f-2381c84abc5b/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_133b5abd-87ab-4129-818f-2381c84abc5b/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_133b5abd-87ab-4129-818f-2381c84abc5b/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_133b5abd-87ab-4129-818f-2381c84abc5b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_133b5abd-87ab-4129-818f-2381c84abc5b/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 9f33e15e0937d430cb63c24d59de4b6438b3be32 ............................................................................................................................................ 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_133b5abd-87ab-4129-818f-2381c84abc5b/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_133b5abd-87ab-4129-818f-2381c84abc5b/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_133b5abd-87ab-4129-818f-2381c84abc5b/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_133b5abd-87ab-4129-818f-2381c84abc5b/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_133b5abd-87ab-4129-818f-2381c84abc5b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_133b5abd-87ab-4129-818f-2381c84abc5b/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 9f33e15e0937d430cb63c24d59de4b6438b3be32 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:05:04,708 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:05:04,711 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:05:04,785 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:05:04,785 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:05:04,790 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:05:04,794 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:05:04,801 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:05:04,803 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:05:04,809 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:05:04,810 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:05:04,812 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:05:04,813 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:05:04,816 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:05:04,818 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:05:04,820 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:05:04,821 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:05:04,822 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:05:04,830 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:05:04,840 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:05:04,841 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:05:04,843 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:05:04,845 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:05:04,845 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:05:04,854 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:05:04,854 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:05:04,854 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:05:04,857 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:05:04,857 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:05:04,858 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:05:04,858 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:05:04,860 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:05:04,861 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:05:04,862 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:05:04,864 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:05:04,864 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:05:04,865 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:05:04,865 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:05:04,865 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:05:04,866 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:05:04,867 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:05:04,869 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_133b5abd-87ab-4129-818f-2381c84abc5b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 13:05:04,913 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:05:04,913 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:05:04,915 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:05:04,915 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:05:04,915 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:05:04,916 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:05:04,916 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:05:04,916 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:05:04,916 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:05:04,916 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:05:04,918 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:05:04,918 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:05:04,918 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:05:04,918 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:05:04,918 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:05:04,919 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:05:04,919 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:05:04,920 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:05:04,920 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:05:04,920 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:05:04,920 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:05:04,920 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:05:04,921 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:05:04,921 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:05:04,921 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:05:04,921 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:05:04,921 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:05:04,922 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:05:04,922 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:05:04,922 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:05:04,922 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:05:04,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:05:04,923 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:05:04,923 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:05:04,923 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:05:04,923 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:05:04,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:05:04,924 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:05:04,924 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:05:04,924 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:05:04,924 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_133b5abd-87ab-4129-818f-2381c84abc5b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_133b5abd-87ab-4129-818f-2381c84abc5b/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f33e15e0937d430cb63c24d59de4b6438b3be32 [2020-11-22 13:05:05,196 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:05:05,232 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:05:05,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:05:05,236 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:05:05,237 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:05:05,241 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_133b5abd-87ab-4129-818f-2381c84abc5b/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c [2020-11-22 13:05:05,321 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_133b5abd-87ab-4129-818f-2381c84abc5b/bin/utaipan/data/0b93a2f83/0dd54ec3d06b4ea68d5fe1f010a1b17e/FLAGef5c4bd84 [2020-11-22 13:05:05,789 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:05:05,789 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_133b5abd-87ab-4129-818f-2381c84abc5b/sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c [2020-11-22 13:05:05,825 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_133b5abd-87ab-4129-818f-2381c84abc5b/bin/utaipan/data/0b93a2f83/0dd54ec3d06b4ea68d5fe1f010a1b17e/FLAGef5c4bd84 [2020-11-22 13:05:06,121 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_133b5abd-87ab-4129-818f-2381c84abc5b/bin/utaipan/data/0b93a2f83/0dd54ec3d06b4ea68d5fe1f010a1b17e [2020-11-22 13:05:06,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:05:06,125 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:05:06,126 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:05:06,127 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:05:06,130 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:05:06,131 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:05:06" (1/1) ... [2020-11-22 13:05:06,133 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e1e0942 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:06, skipping insertion in model container [2020-11-22 13:05:06,133 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:05:06" (1/1) ... [2020-11-22 13:05:06,140 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:05:06,202 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:05:06,485 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:05:06,495 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2020-11-22 13:05:06,496 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@211bd88c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:06, skipping insertion in model container [2020-11-22 13:05:06,496 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:05:06,496 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 13:05:06,498 INFO L168 Benchmark]: Toolchain (without parser) took 372.44 ms. Allocated memory is still 83.9 MB. Free memory was 52.8 MB in the beginning and 58.4 MB in the end (delta: -5.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:06,499 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 83.9 MB. Free memory was 43.0 MB in the beginning and 43.0 MB in the end (delta: 34.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:05:06,500 INFO L168 Benchmark]: CACSL2BoogieTranslator took 369.89 ms. Allocated memory is still 83.9 MB. Free memory was 52.6 MB in the beginning and 58.8 MB in the end (delta: -6.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:06,502 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 83.9 MB. Free memory was 43.0 MB in the beginning and 43.0 MB in the end (delta: 34.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 369.89 ms. Allocated memory is still 83.9 MB. Free memory was 52.6 MB in the beginning and 58.8 MB in the end (delta: -6.1 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: 636]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:05:08,640 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:05:08,642 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:05:08,681 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:05:08,682 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:05:08,687 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:05:08,690 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:05:08,694 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:05:08,697 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:05:08,702 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:05:08,704 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:05:08,715 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:05:08,716 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:05:08,721 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:05:08,723 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:05:08,724 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:05:08,725 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:05:08,729 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:05:08,732 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:05:08,739 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:05:08,741 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:05:08,743 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:05:08,748 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:05:08,751 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:05:08,754 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:05:08,754 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:05:08,755 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:05:08,758 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:05:08,759 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:05:08,760 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:05:08,761 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:05:08,761 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:05:08,763 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:05:08,764 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:05:08,765 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:05:08,766 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:05:08,766 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:05:08,766 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:05:08,767 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:05:08,768 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:05:08,769 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:05:08,770 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_133b5abd-87ab-4129-818f-2381c84abc5b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 13:05:08,813 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:05:08,813 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:05:08,815 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:05:08,815 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:05:08,816 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:05:08,816 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:05:08,816 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:05:08,816 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:05:08,817 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:05:08,818 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:05:08,819 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:05:08,819 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:05:08,819 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:05:08,820 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:05:08,820 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:05:08,820 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:05:08,820 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:05:08,820 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 13:05:08,821 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 13:05:08,821 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:05:08,821 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:05:08,821 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:05:08,822 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:05:08,822 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:05:08,822 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 13:05:08,822 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:05:08,823 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:05:08,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:05:08,823 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:05:08,823 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:05:08,823 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:05:08,824 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 13:05:08,824 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 13:05:08,824 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:05:08,825 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:05:08,825 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:05:08,825 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_133b5abd-87ab-4129-818f-2381c84abc5b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_133b5abd-87ab-4129-818f-2381c84abc5b/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f33e15e0937d430cb63c24d59de4b6438b3be32 [2020-11-22 13:05:09,200 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:05:09,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:05:09,233 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:05:09,235 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:05:09,241 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:05:09,242 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_133b5abd-87ab-4129-818f-2381c84abc5b/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c [2020-11-22 13:05:09,311 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_133b5abd-87ab-4129-818f-2381c84abc5b/bin/utaipan/data/20522cf4a/eb2b798500ee4a0e93ff75c571b3ccef/FLAGc0ac3b7df [2020-11-22 13:05:09,839 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:05:09,847 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_133b5abd-87ab-4129-818f-2381c84abc5b/sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c [2020-11-22 13:05:09,864 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_133b5abd-87ab-4129-818f-2381c84abc5b/bin/utaipan/data/20522cf4a/eb2b798500ee4a0e93ff75c571b3ccef/FLAGc0ac3b7df [2020-11-22 13:05:10,138 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_133b5abd-87ab-4129-818f-2381c84abc5b/bin/utaipan/data/20522cf4a/eb2b798500ee4a0e93ff75c571b3ccef [2020-11-22 13:05:10,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:05:10,142 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:05:10,143 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:05:10,143 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:05:10,149 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:05:10,150 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:05:10" (1/1) ... [2020-11-22 13:05:10,152 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@171b95e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:10, skipping insertion in model container [2020-11-22 13:05:10,152 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:05:10" (1/1) ... [2020-11-22 13:05:10,168 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:05:10,213 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:05:10,521 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:05:10,534 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-22 13:05:10,543 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:05:10,635 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:05:10,643 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 13:05:10,751 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:05:10,810 INFO L208 MainTranslator]: Completed translation [2020-11-22 13:05:10,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:10 WrapperNode [2020-11-22 13:05:10,811 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:05:10,812 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 13:05:10,812 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 13:05:10,812 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 13:05:10,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:10" (1/1) ... [2020-11-22 13:05:10,838 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:10" (1/1) ... [2020-11-22 13:05:10,897 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 13:05:10,899 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 13:05:10,899 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 13:05:10,899 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 13:05:10,907 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:10" (1/1) ... [2020-11-22 13:05:10,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:10" (1/1) ... [2020-11-22 13:05:10,931 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:10" (1/1) ... [2020-11-22 13:05:10,931 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:10" (1/1) ... [2020-11-22 13:05:10,944 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:10" (1/1) ... [2020-11-22 13:05:10,974 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:10" (1/1) ... [2020-11-22 13:05:10,991 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:10" (1/1) ... [2020-11-22 13:05:10,995 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 13:05:10,996 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 13:05:10,997 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 13:05:10,997 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 13:05:10,998 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_133b5abd-87ab-4129-818f-2381c84abc5b/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:05:11,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 13:05:11,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 13:05:11,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 13:05:11,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 13:05:13,291 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 13:05:13,292 INFO L298 CfgBuilder]: Removed 166 assume(true) statements. [2020-11-22 13:05:13,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:05:13 BoogieIcfgContainer [2020-11-22 13:05:13,295 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 13:05:13,297 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 13:05:13,298 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 13:05:13,300 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 13:05:13,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:05:10" (1/3) ... [2020-11-22 13:05:13,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76c46be0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:05:13, skipping insertion in model container [2020-11-22 13:05:13,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:10" (2/3) ... [2020-11-22 13:05:13,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76c46be0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:05:13, skipping insertion in model container [2020-11-22 13:05:13,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:05:13" (3/3) ... [2020-11-22 13:05:13,306 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product50.cil.c [2020-11-22 13:05:13,321 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 13:05:13,326 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-22 13:05:13,335 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-22 13:05:13,362 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 13:05:13,362 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 13:05:13,362 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 13:05:13,362 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 13:05:13,362 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 13:05:13,362 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 13:05:13,363 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 13:05:13,363 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 13:05:13,378 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2020-11-22 13:05:13,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-22 13:05:13,384 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:05:13,385 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:05:13,385 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:05:13,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:05:13,390 INFO L82 PathProgramCache]: Analyzing trace with hash 1554341699, now seen corresponding path program 1 times [2020-11-22 13:05:13,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:05:13,403 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1191585026] [2020-11-22 13:05:13,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_133b5abd-87ab-4129-818f-2381c84abc5b/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-22 13:05:13,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:05:13,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 13:05:13,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:05:13,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:13,701 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:05:13,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:13,707 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1191585026] [2020-11-22 13:05:13,708 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:05:13,708 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 13:05:13,709 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854707381] [2020-11-22 13:05:13,712 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 13:05:13,713 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:05:13,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 13:05:13,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:05:13,727 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 2 states. [2020-11-22 13:05:13,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:05:13,760 INFO L93 Difference]: Finished difference Result 238 states and 363 transitions. [2020-11-22 13:05:13,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 13:05:13,764 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-22 13:05:13,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:05:13,787 INFO L225 Difference]: With dead ends: 238 [2020-11-22 13:05:13,788 INFO L226 Difference]: Without dead ends: 117 [2020-11-22 13:05:13,792 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:05:13,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2020-11-22 13:05:13,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2020-11-22 13:05:13,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-11-22 13:05:13,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 172 transitions. [2020-11-22 13:05:13,856 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 172 transitions. Word has length 18 [2020-11-22 13:05:13,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:05:13,857 INFO L481 AbstractCegarLoop]: Abstraction has 117 states and 172 transitions. [2020-11-22 13:05:13,857 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 13:05:13,857 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 172 transitions. [2020-11-22 13:05:13,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-22 13:05:13,860 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:05:13,861 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:05:14,080 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 13:05:14,081 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:05:14,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:05:14,081 INFO L82 PathProgramCache]: Analyzing trace with hash 955831619, now seen corresponding path program 1 times [2020-11-22 13:05:14,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:05:14,082 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1586013748] [2020-11-22 13:05:14,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_133b5abd-87ab-4129-818f-2381c84abc5b/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-22 13:05:14,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:05:14,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:05:14,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:05:14,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:14,333 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:05:14,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:14,348 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1586013748] [2020-11-22 13:05:14,348 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:05:14,348 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 13:05:14,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122490340] [2020-11-22 13:05:14,350 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:05:14,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:05:14,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:05:14,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:05:14,351 INFO L87 Difference]: Start difference. First operand 117 states and 172 transitions. Second operand 4 states. [2020-11-22 13:05:14,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:05:14,369 INFO L93 Difference]: Finished difference Result 117 states and 172 transitions. [2020-11-22 13:05:14,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:05:14,370 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2020-11-22 13:05:14,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:05:14,371 INFO L225 Difference]: With dead ends: 117 [2020-11-22 13:05:14,371 INFO L226 Difference]: Without dead ends: 49 [2020-11-22 13:05:14,372 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:05:14,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-11-22 13:05:14,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-11-22 13:05:14,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-11-22 13:05:14,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2020-11-22 13:05:14,382 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2020-11-22 13:05:14,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:05:14,386 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2020-11-22 13:05:14,386 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:05:14,387 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2020-11-22 13:05:14,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-22 13:05:14,388 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:05:14,388 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:05:14,596 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 13:05:14,597 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:05:14,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:05:14,601 INFO L82 PathProgramCache]: Analyzing trace with hash 988842679, now seen corresponding path program 1 times [2020-11-22 13:05:14,602 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:05:14,602 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [308475114] [2020-11-22 13:05:14,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_133b5abd-87ab-4129-818f-2381c84abc5b/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-22 13:05:14,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:05:14,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:05:14,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:05:14,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:14,825 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:05:14,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:14,835 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [308475114] [2020-11-22 13:05:14,835 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:05:14,835 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 13:05:14,835 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423987607] [2020-11-22 13:05:14,836 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:05:14,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:05:14,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:05:14,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:05:14,837 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 4 states. [2020-11-22 13:05:14,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:05:14,880 INFO L93 Difference]: Finished difference Result 91 states and 135 transitions. [2020-11-22 13:05:14,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:05:14,881 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2020-11-22 13:05:14,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:05:14,882 INFO L225 Difference]: With dead ends: 91 [2020-11-22 13:05:14,882 INFO L226 Difference]: Without dead ends: 49 [2020-11-22 13:05:14,882 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:05:14,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-11-22 13:05:14,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-11-22 13:05:14,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-11-22 13:05:14,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2020-11-22 13:05:14,893 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 24 [2020-11-22 13:05:14,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:05:14,894 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2020-11-22 13:05:14,894 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:05:14,894 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2020-11-22 13:05:14,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-22 13:05:14,895 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:05:14,895 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:05:15,110 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 13:05:15,111 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:05:15,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:05:15,111 INFO L82 PathProgramCache]: Analyzing trace with hash -524841611, now seen corresponding path program 1 times [2020-11-22 13:05:15,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:05:15,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1142495597] [2020-11-22 13:05:15,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_133b5abd-87ab-4129-818f-2381c84abc5b/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-22 13:05:15,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:05:15,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:05:15,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:05:15,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:15,343 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:05:15,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:15,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1142495597] [2020-11-22 13:05:15,346 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:05:15,346 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-11-22 13:05:15,347 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839103961] [2020-11-22 13:05:15,347 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 13:05:15,347 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:05:15,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 13:05:15,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:05:15,348 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand 3 states. [2020-11-22 13:05:15,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:05:15,409 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2020-11-22 13:05:15,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:05:15,410 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-11-22 13:05:15,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:05:15,411 INFO L225 Difference]: With dead ends: 113 [2020-11-22 13:05:15,411 INFO L226 Difference]: Without dead ends: 71 [2020-11-22 13:05:15,411 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 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 13:05:15,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-11-22 13:05:15,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 69. [2020-11-22 13:05:15,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-11-22 13:05:15,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 98 transitions. [2020-11-22 13:05:15,419 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 98 transitions. Word has length 26 [2020-11-22 13:05:15,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:05:15,420 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 98 transitions. [2020-11-22 13:05:15,420 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 13:05:15,420 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 98 transitions. [2020-11-22 13:05:15,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-22 13:05:15,421 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:05:15,421 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 13:05:15,622 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 13:05:15,622 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:05:15,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:05:15,622 INFO L82 PathProgramCache]: Analyzing trace with hash -65166556, now seen corresponding path program 1 times [2020-11-22 13:05:15,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:05:15,623 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [253967972] [2020-11-22 13:05:15,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_133b5abd-87ab-4129-818f-2381c84abc5b/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-11-22 13:05:15,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:05:15,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:05:15,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:05:15,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:15,850 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:05:15,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:15,875 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [253967972] [2020-11-22 13:05:15,875 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:05:15,875 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-22 13:05:15,875 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21764553] [2020-11-22 13:05:15,876 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:05:15,876 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:05:15,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:05:15,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 13:05:15,877 INFO L87 Difference]: Start difference. First operand 69 states and 98 transitions. Second operand 5 states. [2020-11-22 13:05:15,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:05:15,987 INFO L93 Difference]: Finished difference Result 182 states and 258 transitions. [2020-11-22 13:05:15,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-22 13:05:15,988 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-11-22 13:05:15,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:05:15,989 INFO L225 Difference]: With dead ends: 182 [2020-11-22 13:05:15,989 INFO L226 Difference]: Without dead ends: 120 [2020-11-22 13:05:15,990 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-22 13:05:15,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-11-22 13:05:15,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 75. [2020-11-22 13:05:15,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-11-22 13:05:15,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 104 transitions. [2020-11-22 13:05:15,999 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 104 transitions. Word has length 32 [2020-11-22 13:05:16,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:05:16,000 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 104 transitions. [2020-11-22 13:05:16,000 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:05:16,000 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 104 transitions. [2020-11-22 13:05:16,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-22 13:05:16,002 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:05:16,002 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 13:05:16,219 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-22 13:05:16,219 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:05:16,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:05:16,220 INFO L82 PathProgramCache]: Analyzing trace with hash 868297153, now seen corresponding path program 1 times [2020-11-22 13:05:16,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:05:16,220 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1229607162] [2020-11-22 13:05:16,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_133b5abd-87ab-4129-818f-2381c84abc5b/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 13:05:16,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:05:16,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:05:16,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:05:16,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:16,456 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:05:16,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:16,463 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1229607162] [2020-11-22 13:05:16,464 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:05:16,464 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-22 13:05:16,464 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969547568] [2020-11-22 13:05:16,464 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:05:16,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:05:16,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:05:16,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 13:05:16,466 INFO L87 Difference]: Start difference. First operand 75 states and 104 transitions. Second operand 5 states. [2020-11-22 13:05:16,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:05:16,614 INFO L93 Difference]: Finished difference Result 387 states and 547 transitions. [2020-11-22 13:05:16,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-22 13:05:16,615 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-11-22 13:05:16,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:05:16,618 INFO L225 Difference]: With dead ends: 387 [2020-11-22 13:05:16,618 INFO L226 Difference]: Without dead ends: 319 [2020-11-22 13:05:16,621 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-22 13:05:16,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2020-11-22 13:05:16,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 135. [2020-11-22 13:05:16,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-11-22 13:05:16,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 186 transitions. [2020-11-22 13:05:16,655 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 186 transitions. Word has length 32 [2020-11-22 13:05:16,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:05:16,657 INFO L481 AbstractCegarLoop]: Abstraction has 135 states and 186 transitions. [2020-11-22 13:05:16,657 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:05:16,657 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 186 transitions. [2020-11-22 13:05:16,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-22 13:05:16,661 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:05:16,661 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] [2020-11-22 13:05:16,873 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-11-22 13:05:16,873 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:05:16,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:05:16,875 INFO L82 PathProgramCache]: Analyzing trace with hash 868140617, now seen corresponding path program 1 times [2020-11-22 13:05:16,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:05:16,876 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2145045213] [2020-11-22 13:05:16,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_133b5abd-87ab-4129-818f-2381c84abc5b/bin/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2020-11-22 13:05:17,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:05:17,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:05:17,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:05:17,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:17,211 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:05:17,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:17,216 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2145045213] [2020-11-22 13:05:17,216 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:05:17,216 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-22 13:05:17,216 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573630375] [2020-11-22 13:05:17,217 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:05:17,217 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:05:17,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:05:17,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 13:05:17,222 INFO L87 Difference]: Start difference. First operand 135 states and 186 transitions. Second operand 5 states. [2020-11-22 13:05:17,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:05:17,406 INFO L93 Difference]: Finished difference Result 506 states and 701 transitions. [2020-11-22 13:05:17,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-22 13:05:17,407 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-11-22 13:05:17,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:05:17,409 INFO L225 Difference]: With dead ends: 506 [2020-11-22 13:05:17,409 INFO L226 Difference]: Without dead ends: 378 [2020-11-22 13:05:17,410 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-22 13:05:17,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2020-11-22 13:05:17,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 134. [2020-11-22 13:05:17,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-11-22 13:05:17,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 183 transitions. [2020-11-22 13:05:17,437 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 183 transitions. Word has length 33 [2020-11-22 13:05:17,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:05:17,438 INFO L481 AbstractCegarLoop]: Abstraction has 134 states and 183 transitions. [2020-11-22 13:05:17,438 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:05:17,438 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 183 transitions. [2020-11-22 13:05:17,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-22 13:05:17,442 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:05:17,442 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] [2020-11-22 13:05:17,654 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2020-11-22 13:05:17,655 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:05:17,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:05:17,655 INFO L82 PathProgramCache]: Analyzing trace with hash 635741486, now seen corresponding path program 1 times [2020-11-22 13:05:17,656 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:05:17,656 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1384290034] [2020-11-22 13:05:17,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_133b5abd-87ab-4129-818f-2381c84abc5b/bin/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2020-11-22 13:05:17,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:05:17,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-22 13:05:17,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:05:17,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:17,863 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:05:17,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:17,889 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1384290034] [2020-11-22 13:05:17,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:05:17,890 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-11-22 13:05:17,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951824954] [2020-11-22 13:05:17,890 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-22 13:05:17,890 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:05:17,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-22 13:05:17,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-22 13:05:17,891 INFO L87 Difference]: Start difference. First operand 134 states and 183 transitions. Second operand 6 states. [2020-11-22 13:05:17,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:05:17,970 INFO L93 Difference]: Finished difference Result 357 states and 483 transitions. [2020-11-22 13:05:17,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 13:05:17,971 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2020-11-22 13:05:17,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:05:17,973 INFO L225 Difference]: With dead ends: 357 [2020-11-22 13:05:17,973 INFO L226 Difference]: Without dead ends: 230 [2020-11-22 13:05:17,973 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-22 13:05:17,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2020-11-22 13:05:17,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 142. [2020-11-22 13:05:17,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2020-11-22 13:05:17,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 191 transitions. [2020-11-22 13:05:17,997 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 191 transitions. Word has length 33 [2020-11-22 13:05:17,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:05:17,997 INFO L481 AbstractCegarLoop]: Abstraction has 142 states and 191 transitions. [2020-11-22 13:05:17,997 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-22 13:05:18,016 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 191 transitions. [2020-11-22 13:05:18,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-22 13:05:18,021 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:05:18,021 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] [2020-11-22 13:05:18,234 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2020-11-22 13:05:18,237 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:05:18,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:05:18,237 INFO L82 PathProgramCache]: Analyzing trace with hash 48935472, now seen corresponding path program 1 times [2020-11-22 13:05:18,238 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:05:18,238 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1394354990] [2020-11-22 13:05:18,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_133b5abd-87ab-4129-818f-2381c84abc5b/bin/utaipan/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2020-11-22 13:05:18,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:05:18,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:05:18,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:05:18,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:18,420 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:05:18,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:18,437 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1394354990] [2020-11-22 13:05:18,437 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:05:18,437 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2020-11-22 13:05:18,438 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136852462] [2020-11-22 13:05:18,438 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:05:18,438 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:05:18,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:05:18,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:05:18,439 INFO L87 Difference]: Start difference. First operand 142 states and 191 transitions. Second operand 4 states. [2020-11-22 13:05:18,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:05:18,560 INFO L93 Difference]: Finished difference Result 434 states and 587 transitions. [2020-11-22 13:05:18,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-22 13:05:18,561 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-11-22 13:05:18,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:05:18,563 INFO L225 Difference]: With dead ends: 434 [2020-11-22 13:05:18,563 INFO L226 Difference]: Without dead ends: 299 [2020-11-22 13:05:18,564 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:05:18,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2020-11-22 13:05:18,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 247. [2020-11-22 13:05:18,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2020-11-22 13:05:18,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 330 transitions. [2020-11-22 13:05:18,604 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 330 transitions. Word has length 33 [2020-11-22 13:05:18,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:05:18,605 INFO L481 AbstractCegarLoop]: Abstraction has 247 states and 330 transitions. [2020-11-22 13:05:18,605 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:05:18,605 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 330 transitions. [2020-11-22 13:05:18,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-22 13:05:18,606 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:05:18,607 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] [2020-11-22 13:05:18,826 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2020-11-22 13:05:18,826 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:05:18,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:05:18,826 INFO L82 PathProgramCache]: Analyzing trace with hash 1943567600, now seen corresponding path program 1 times [2020-11-22 13:05:18,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:05:18,827 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [991345925] [2020-11-22 13:05:18,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_133b5abd-87ab-4129-818f-2381c84abc5b/bin/utaipan/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2020-11-22 13:05:19,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:05:19,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:05:19,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:05:19,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:19,040 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:05:19,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:19,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [991345925] [2020-11-22 13:05:19,044 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:05:19,044 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-11-22 13:05:19,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800416135] [2020-11-22 13:05:19,045 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 13:05:19,045 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:05:19,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 13:05:19,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:05:19,057 INFO L87 Difference]: Start difference. First operand 247 states and 330 transitions. Second operand 3 states. [2020-11-22 13:05:19,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:05:19,149 INFO L93 Difference]: Finished difference Result 423 states and 564 transitions. [2020-11-22 13:05:19,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:05:19,150 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-11-22 13:05:19,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:05:19,152 INFO L225 Difference]: With dead ends: 423 [2020-11-22 13:05:19,152 INFO L226 Difference]: Without dead ends: 421 [2020-11-22 13:05:19,153 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 65 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 13:05:19,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2020-11-22 13:05:19,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 316. [2020-11-22 13:05:19,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2020-11-22 13:05:19,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 432 transitions. [2020-11-22 13:05:19,191 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 432 transitions. Word has length 34 [2020-11-22 13:05:19,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:05:19,191 INFO L481 AbstractCegarLoop]: Abstraction has 316 states and 432 transitions. [2020-11-22 13:05:19,192 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 13:05:19,192 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 432 transitions. [2020-11-22 13:05:19,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-22 13:05:19,193 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:05:19,193 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:05:19,410 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2020-11-22 13:05:19,410 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:05:19,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:05:19,412 INFO L82 PathProgramCache]: Analyzing trace with hash 558378804, now seen corresponding path program 1 times [2020-11-22 13:05:19,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:05:19,412 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [119663126] [2020-11-22 13:05:19,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_133b5abd-87ab-4129-818f-2381c84abc5b/bin/utaipan/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2020-11-22 13:05:19,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:05:19,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:05:19,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:05:19,644 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:19,644 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:05:19,659 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:19,662 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [119663126] [2020-11-22 13:05:19,662 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:05:19,662 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 13:05:19,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435994645] [2020-11-22 13:05:19,663 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:05:19,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:05:19,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:05:19,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:05:19,670 INFO L87 Difference]: Start difference. First operand 316 states and 432 transitions. Second operand 4 states. [2020-11-22 13:05:22,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:05:22,028 INFO L93 Difference]: Finished difference Result 580 states and 800 transitions. [2020-11-22 13:05:22,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:05:22,029 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 58 [2020-11-22 13:05:22,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:05:22,032 INFO L225 Difference]: With dead ends: 580 [2020-11-22 13:05:22,032 INFO L226 Difference]: Without dead ends: 271 [2020-11-22 13:05:22,033 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:05:22,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2020-11-22 13:05:22,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 271. [2020-11-22 13:05:22,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2020-11-22 13:05:22,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 357 transitions. [2020-11-22 13:05:22,063 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 357 transitions. Word has length 58 [2020-11-22 13:05:22,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:05:22,064 INFO L481 AbstractCegarLoop]: Abstraction has 271 states and 357 transitions. [2020-11-22 13:05:22,064 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:05:22,064 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 357 transitions. [2020-11-22 13:05:22,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-22 13:05:22,065 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:05:22,065 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 13:05:22,282 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2020-11-22 13:05:22,282 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:05:22,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:05:22,282 INFO L82 PathProgramCache]: Analyzing trace with hash 1047797080, now seen corresponding path program 1 times [2020-11-22 13:05:22,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:05:22,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1787380442] [2020-11-22 13:05:22,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_133b5abd-87ab-4129-818f-2381c84abc5b/bin/utaipan/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2020-11-22 13:05:22,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:05:22,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:05:22,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:05:22,529 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-22 13:05:22,529 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:05:22,583 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-22 13:05:22,584 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1787380442] [2020-11-22 13:05:22,584 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:05:22,584 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-11-22 13:05:22,584 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044592352] [2020-11-22 13:05:22,585 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-22 13:05:22,587 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:05:22,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-22 13:05:22,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-22 13:05:22,589 INFO L87 Difference]: Start difference. First operand 271 states and 357 transitions. Second operand 8 states. [2020-11-22 13:05:22,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:05:22,725 INFO L93 Difference]: Finished difference Result 855 states and 1127 transitions. [2020-11-22 13:05:22,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-22 13:05:22,725 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-11-22 13:05:22,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:05:22,729 INFO L225 Difference]: With dead ends: 855 [2020-11-22 13:05:22,729 INFO L226 Difference]: Without dead ends: 591 [2020-11-22 13:05:22,730 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-11-22 13:05:22,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2020-11-22 13:05:22,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 283. [2020-11-22 13:05:22,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2020-11-22 13:05:22,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 369 transitions. [2020-11-22 13:05:22,768 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 369 transitions. Word has length 58 [2020-11-22 13:05:22,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:05:22,769 INFO L481 AbstractCegarLoop]: Abstraction has 283 states and 369 transitions. [2020-11-22 13:05:22,769 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-22 13:05:22,769 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 369 transitions. [2020-11-22 13:05:22,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-22 13:05:22,770 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:05:22,770 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 13:05:22,994 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3 [2020-11-22 13:05:22,995 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:05:22,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:05:22,995 INFO L82 PathProgramCache]: Analyzing trace with hash 789631642, now seen corresponding path program 1 times [2020-11-22 13:05:22,995 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:05:22,995 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [389182728] [2020-11-22 13:05:22,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_133b5abd-87ab-4129-818f-2381c84abc5b/bin/utaipan/mathsat Starting monitored process 14 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with mathsat -unsat_core_generation=3 [2020-11-22 13:05:23,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:05:23,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-22 13:05:23,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:05:23,303 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-22 13:05:23,303 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:05:23,321 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-11-22 13:05:23,321 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-22 13:05:23,361 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-22 13:05:23,361 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [389182728] [2020-11-22 13:05:23,361 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [277011615] [2020-11-22 13:05:23,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_133b5abd-87ab-4129-818f-2381c84abc5b/bin/utaipan/cvc4 Starting monitored process 15 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-22 13:05:23,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:05:23,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-22 13:05:23,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:05:23,763 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-22 13:05:23,763 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:05:23,772 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-11-22 13:05:23,773 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-22 13:05:23,788 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-22 13:05:23,789 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1444174457] [2020-11-22 13:05:23,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_133b5abd-87ab-4129-818f-2381c84abc5b/bin/utaipan/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-22 13:05:23,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:05:23,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-22 13:05:23,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:05:23,974 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-22 13:05:23,975 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:05:23,983 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-11-22 13:05:23,984 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-22 13:05:24,016 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-22 13:05:24,017 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2020-11-22 13:05:24,017 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 6, 5, 5, 5] total 9 [2020-11-22 13:05:24,017 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478729619] [2020-11-22 13:05:24,018 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-22 13:05:24,018 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:05:24,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-22 13:05:24,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-11-22 13:05:24,019 INFO L87 Difference]: Start difference. First operand 283 states and 369 transitions. Second operand 10 states. [2020-11-22 13:05:24,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:05:24,402 INFO L93 Difference]: Finished difference Result 655 states and 858 transitions. [2020-11-22 13:05:24,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-22 13:05:24,403 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2020-11-22 13:05:24,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:05:24,403 INFO L225 Difference]: With dead ends: 655 [2020-11-22 13:05:24,403 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 13:05:24,404 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 346 GetRequests, 333 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-11-22 13:05:24,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 13:05:24,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 13:05:24,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 13:05:24,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 13:05:24,405 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2020-11-22 13:05:24,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:05:24,405 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 13:05:24,405 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-22 13:05:24,405 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 13:05:24,405 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 13:05:25,006 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,14 mathsat -unsat_core_generation=3,15 cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-22 13:05:25,007 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 13:05:25,466 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 127 [2020-11-22 13:05:25,687 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 120 [2020-11-22 13:05:25,840 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 110 [2020-11-22 13:05:25,998 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 123 [2020-11-22 13:05:26,114 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 120 [2020-11-22 13:05:26,287 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 129 [2020-11-22 13:05:26,423 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 115 [2020-11-22 13:05:26,642 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 123 [2020-11-22 13:05:27,655 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 125 DAG size of output: 37 [2020-11-22 13:05:28,114 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 35 [2020-11-22 13:05:28,223 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 24 [2020-11-22 13:05:28,729 WARN L193 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 34 [2020-11-22 13:05:29,359 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 39 [2020-11-22 13:05:29,943 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 33 [2020-11-22 13:05:30,406 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 34 [2020-11-22 13:05:31,096 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 37 [2020-11-22 13:05:31,841 WARN L193 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 42 [2020-11-22 13:05:32,100 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 33 [2020-11-22 13:05:32,694 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 33 [2020-11-22 13:05:32,696 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:05:32,696 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-22 13:05:32,696 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-22 13:05:32,696 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-22 13:05:32,697 INFO L274 CegarLoopResult]: For program point L169(lines 169 176) no Hoare annotation was computed. [2020-11-22 13:05:32,697 INFO L277 CegarLoopResult]: At program point L169-1(lines 169 176) the Hoare annotation is: true [2020-11-22 13:05:32,697 INFO L270 CegarLoopResult]: At program point L599(lines 550 600) the Hoare annotation is: false [2020-11-22 13:05:32,697 INFO L274 CegarLoopResult]: For program point L401(lines 401 418) no Hoare annotation was computed. [2020-11-22 13:05:32,697 INFO L274 CegarLoopResult]: For program point L401-1(lines 401 418) no Hoare annotation was computed. [2020-11-22 13:05:32,697 INFO L274 CegarLoopResult]: For program point L401-2(lines 401 418) no Hoare annotation was computed. [2020-11-22 13:05:32,697 INFO L274 CegarLoopResult]: For program point L236(lines 236 240) no Hoare annotation was computed. [2020-11-22 13:05:32,697 INFO L274 CegarLoopResult]: For program point L203(lines 203 220) no Hoare annotation was computed. [2020-11-22 13:05:32,697 INFO L270 CegarLoopResult]: At program point L203-1(lines 1 981) the Hoare annotation is: (let ((.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse5 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (or (and .cse0 .cse1 .cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse3 .cse4) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) .cse3 (= ULTIMATE.start_isLowWaterLevel_~tmp~5 (_ bv0 32)) .cse4) (and .cse0 .cse2 .cse3 .cse4 .cse5) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse4 .cse5))) [2020-11-22 13:05:32,697 INFO L274 CegarLoopResult]: For program point L236-3(lines 236 240) no Hoare annotation was computed. [2020-11-22 13:05:32,698 INFO L274 CegarLoopResult]: For program point L203-2(lines 203 220) no Hoare annotation was computed. [2020-11-22 13:05:32,698 INFO L270 CegarLoopResult]: At program point L203-3(lines 1 981) the Hoare annotation is: false [2020-11-22 13:05:32,698 INFO L274 CegarLoopResult]: For program point L203-4(lines 203 220) no Hoare annotation was computed. [2020-11-22 13:05:32,698 INFO L274 CegarLoopResult]: For program point L236-6(lines 236 240) no Hoare annotation was computed. [2020-11-22 13:05:32,698 INFO L270 CegarLoopResult]: At program point L203-5(lines 1 981) the Hoare annotation is: false [2020-11-22 13:05:32,698 INFO L274 CegarLoopResult]: For program point L503(lines 503 507) no Hoare annotation was computed. [2020-11-22 13:05:32,698 INFO L274 CegarLoopResult]: For program point L503-2(lines 503 507) no Hoare annotation was computed. [2020-11-22 13:05:32,698 INFO L274 CegarLoopResult]: For program point L503-3(lines 503 507) no Hoare annotation was computed. [2020-11-22 13:05:32,698 INFO L274 CegarLoopResult]: For program point L503-5(lines 503 507) no Hoare annotation was computed. [2020-11-22 13:05:32,698 INFO L274 CegarLoopResult]: For program point L503-6(lines 503 507) no Hoare annotation was computed. [2020-11-22 13:05:32,698 INFO L274 CegarLoopResult]: For program point L503-8(lines 503 507) no Hoare annotation was computed. [2020-11-22 13:05:32,698 INFO L274 CegarLoopResult]: For program point L503-9(lines 503 507) no Hoare annotation was computed. [2020-11-22 13:05:32,698 INFO L274 CegarLoopResult]: For program point L503-11(lines 503 507) no Hoare annotation was computed. [2020-11-22 13:05:32,698 INFO L274 CegarLoopResult]: For program point L503-12(lines 503 507) no Hoare annotation was computed. [2020-11-22 13:05:32,698 INFO L274 CegarLoopResult]: For program point L503-14(lines 503 507) no Hoare annotation was computed. [2020-11-22 13:05:32,699 INFO L274 CegarLoopResult]: For program point L503-15(lines 503 507) no Hoare annotation was computed. [2020-11-22 13:05:32,699 INFO L274 CegarLoopResult]: For program point L503-17(lines 503 507) no Hoare annotation was computed. [2020-11-22 13:05:32,699 INFO L274 CegarLoopResult]: For program point L405(lines 405 413) no Hoare annotation was computed. [2020-11-22 13:05:32,699 INFO L274 CegarLoopResult]: For program point L405-1(lines 405 413) no Hoare annotation was computed. [2020-11-22 13:05:32,699 INFO L274 CegarLoopResult]: For program point L405-2(lines 405 413) no Hoare annotation was computed. [2020-11-22 13:05:32,699 INFO L270 CegarLoopResult]: At program point L273(lines 268 276) the Hoare annotation is: (let ((.cse5 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (bvslt ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse4 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2 .cse3) (and .cse0 .cse5 .cse1 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp~5 (_ bv0 32)) .cse2 .cse6) (and .cse0 .cse5 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse1 .cse2 .cse6) (and .cse0 .cse4 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2 .cse3))) [2020-11-22 13:05:32,699 INFO L270 CegarLoopResult]: At program point L273-1(lines 268 276) the Hoare annotation is: false [2020-11-22 13:05:32,699 INFO L274 CegarLoopResult]: For program point L207(lines 207 217) no Hoare annotation was computed. [2020-11-22 13:05:32,699 INFO L270 CegarLoopResult]: At program point L273-2(lines 268 276) the Hoare annotation is: false [2020-11-22 13:05:32,699 INFO L274 CegarLoopResult]: For program point L207-2(lines 207 217) no Hoare annotation was computed. [2020-11-22 13:05:32,699 INFO L270 CegarLoopResult]: At program point L75(lines 70 78) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:05:32,699 INFO L274 CegarLoopResult]: For program point L207-4(lines 207 217) no Hoare annotation was computed. [2020-11-22 13:05:32,700 INFO L274 CegarLoopResult]: For program point L571(lines 571 577) no Hoare annotation was computed. [2020-11-22 13:05:32,700 INFO L270 CegarLoopResult]: At program point L571-1(lines 571 577) the Hoare annotation is: (let ((.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse5 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (or (and .cse0 .cse1 .cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse3 .cse4) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) .cse3 (= ULTIMATE.start_isLowWaterLevel_~tmp~5 (_ bv0 32)) .cse4) (and .cse0 .cse2 .cse3 .cse4 .cse5) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse4 .cse5))) [2020-11-22 13:05:32,700 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:05:32,700 INFO L274 CegarLoopResult]: For program point L208(lines 208 214) no Hoare annotation was computed. [2020-11-22 13:05:32,700 INFO L274 CegarLoopResult]: For program point L208-2(lines 208 214) no Hoare annotation was computed. [2020-11-22 13:05:32,700 INFO L274 CegarLoopResult]: For program point L208-4(lines 208 214) no Hoare annotation was computed. [2020-11-22 13:05:32,700 INFO L270 CegarLoopResult]: At program point L143(lines 139 145) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:05:32,700 INFO L274 CegarLoopResult]: For program point L375(lines 375 392) no Hoare annotation was computed. [2020-11-22 13:05:32,700 INFO L274 CegarLoopResult]: For program point L375-1(lines 375 392) no Hoare annotation was computed. [2020-11-22 13:05:32,700 INFO L274 CegarLoopResult]: For program point L375-2(lines 375 392) no Hoare annotation was computed. [2020-11-22 13:05:32,700 INFO L274 CegarLoopResult]: For program point L375-3(lines 375 392) no Hoare annotation was computed. [2020-11-22 13:05:32,700 INFO L274 CegarLoopResult]: For program point L375-4(lines 375 392) no Hoare annotation was computed. [2020-11-22 13:05:32,701 INFO L274 CegarLoopResult]: For program point L375-5(lines 375 392) no Hoare annotation was computed. [2020-11-22 13:05:32,701 INFO L270 CegarLoopResult]: At program point L343(lines 342 361) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2 .cse3) (and .cse0 .cse4 .cse1 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp~5 (_ bv0 32)) .cse2) (and .cse0 .cse1 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2 .cse3) (and .cse0 .cse4 (= (_ bv1 32) ~pumpRunning~0) .cse2) (and .cse0 .cse4 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse1 .cse2))) [2020-11-22 13:05:32,701 INFO L274 CegarLoopResult]: For program point L343-1(lines 343 349) no Hoare annotation was computed. [2020-11-22 13:05:32,701 INFO L270 CegarLoopResult]: At program point L343-2(lines 342 361) the Hoare annotation is: false [2020-11-22 13:05:32,701 INFO L270 CegarLoopResult]: At program point L343-3(lines 342 361) the Hoare annotation is: false [2020-11-22 13:05:32,701 INFO L277 CegarLoopResult]: At program point L178(lines 159 181) the Hoare annotation is: true [2020-11-22 13:05:32,701 INFO L270 CegarLoopResult]: At program point L509(lines 494 512) the Hoare annotation is: false [2020-11-22 13:05:32,701 INFO L270 CegarLoopResult]: At program point L509-1(lines 494 512) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32))) (.cse7 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse6 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32)))) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2 .cse3) (and .cse0 .cse1 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse5 .cse6 .cse3 .cse2) (and .cse0 .cse4 .cse7 .cse1 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse5 .cse6 .cse2) (and .cse0 .cse4 .cse7 .cse1 .cse5 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) .cse6 (= ULTIMATE.start_isLowWaterLevel_~tmp~5 (_ bv0 32)) .cse2))) [2020-11-22 13:05:32,701 INFO L270 CegarLoopResult]: At program point L509-2(lines 494 512) the Hoare annotation is: false [2020-11-22 13:05:32,701 INFO L270 CegarLoopResult]: At program point L509-3(lines 494 512) the Hoare annotation is: false [2020-11-22 13:05:32,702 INFO L270 CegarLoopResult]: At program point L509-4(lines 494 512) the Hoare annotation is: false [2020-11-22 13:05:32,702 INFO L270 CegarLoopResult]: At program point L509-5(lines 494 512) the Hoare annotation is: false [2020-11-22 13:05:32,702 INFO L274 CegarLoopResult]: For program point L379(lines 379 387) no Hoare annotation was computed. [2020-11-22 13:05:32,702 INFO L274 CegarLoopResult]: For program point L379-1(lines 379 387) no Hoare annotation was computed. [2020-11-22 13:05:32,702 INFO L274 CegarLoopResult]: For program point L313(lines 313 319) no Hoare annotation was computed. [2020-11-22 13:05:32,702 INFO L274 CegarLoopResult]: For program point L379-2(lines 379 387) no Hoare annotation was computed. [2020-11-22 13:05:32,702 INFO L274 CegarLoopResult]: For program point L313-1(lines 313 319) no Hoare annotation was computed. [2020-11-22 13:05:32,702 INFO L274 CegarLoopResult]: For program point L379-3(lines 379 387) no Hoare annotation was computed. [2020-11-22 13:05:32,702 INFO L274 CegarLoopResult]: For program point L313-2(lines 313 319) no Hoare annotation was computed. [2020-11-22 13:05:32,702 INFO L274 CegarLoopResult]: For program point L379-4(lines 379 387) no Hoare annotation was computed. [2020-11-22 13:05:32,702 INFO L274 CegarLoopResult]: For program point L313-3(lines 313 319) no Hoare annotation was computed. [2020-11-22 13:05:32,702 INFO L274 CegarLoopResult]: For program point L379-5(lines 379 387) no Hoare annotation was computed. [2020-11-22 13:05:32,702 INFO L274 CegarLoopResult]: For program point L313-4(lines 313 319) no Hoare annotation was computed. [2020-11-22 13:05:32,702 INFO L274 CegarLoopResult]: For program point L313-5(lines 313 319) no Hoare annotation was computed. [2020-11-22 13:05:32,702 INFO L274 CegarLoopResult]: For program point L248(lines 248 252) no Hoare annotation was computed. [2020-11-22 13:05:32,703 INFO L274 CegarLoopResult]: For program point L581(lines 581 594) no Hoare annotation was computed. [2020-11-22 13:05:32,703 INFO L270 CegarLoopResult]: At program point L350(lines 350 356) the Hoare annotation is: (let ((.cse5 (= (_ bv1 32) ~pumpRunning~0)) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp~5 (_ bv0 32)) .cse2) (and .cse0 .cse5 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3 .cse2) (and .cse0 .cse5 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2 .cse3) (and .cse0 .cse4 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse1 .cse2))) [2020-11-22 13:05:32,703 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 13:05:32,703 INFO L270 CegarLoopResult]: At program point L350-1(lines 350 356) the Hoare annotation is: false [2020-11-22 13:05:32,703 INFO L270 CegarLoopResult]: At program point L350-2(lines 350 356) the Hoare annotation is: false [2020-11-22 13:05:32,703 INFO L274 CegarLoopResult]: For program point L978(line 978) no Hoare annotation was computed. [2020-11-22 13:05:32,703 INFO L274 CegarLoopResult]: For program point L978-1(line 978) no Hoare annotation was computed. [2020-11-22 13:05:32,703 INFO L274 CegarLoopResult]: For program point L978-2(line 978) no Hoare annotation was computed. [2020-11-22 13:05:32,703 INFO L270 CegarLoopResult]: At program point L318(lines 309 322) the Hoare annotation is: false [2020-11-22 13:05:32,703 INFO L270 CegarLoopResult]: At program point L318-1(lines 309 322) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse5 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse1 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp~5 (_ bv0 32)) .cse2) (and .cse0 .cse1 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse1 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse2))) [2020-11-22 13:05:32,703 INFO L270 CegarLoopResult]: At program point L318-2(lines 309 322) the Hoare annotation is: false [2020-11-22 13:05:32,703 INFO L270 CegarLoopResult]: At program point L318-3(lines 309 322) the Hoare annotation is: false [2020-11-22 13:05:32,704 INFO L270 CegarLoopResult]: At program point L318-4(lines 309 322) the Hoare annotation is: false [2020-11-22 13:05:32,704 INFO L270 CegarLoopResult]: At program point L318-5(lines 309 322) the Hoare annotation is: false [2020-11-22 13:05:32,704 INFO L274 CegarLoopResult]: For program point L552(lines 551 598) no Hoare annotation was computed. [2020-11-22 13:05:32,704 INFO L274 CegarLoopResult]: For program point L553(lines 553 557) no Hoare annotation was computed. [2020-11-22 13:05:32,704 INFO L270 CegarLoopResult]: At program point L454(lines 449 457) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse5 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse1 .cse2) (and .cse0 .cse3 .cse4 .cse2 .cse1) (and .cse0 .cse3 .cse5 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse4 .cse2) (and .cse0 .cse3 .cse5 .cse4 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp~5 (_ bv0 32)) .cse2))) [2020-11-22 13:05:32,704 INFO L270 CegarLoopResult]: At program point L454-1(lines 449 457) the Hoare annotation is: false [2020-11-22 13:05:32,704 INFO L270 CegarLoopResult]: At program point L454-2(lines 449 457) the Hoare annotation is: false [2020-11-22 13:05:32,704 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 13:05:32,704 INFO L270 CegarLoopResult]: At program point L92-2(lines 92 106) the Hoare annotation is: false [2020-11-22 13:05:32,704 INFO L274 CegarLoopResult]: For program point L522(lines 522 526) no Hoare annotation was computed. [2020-11-22 13:05:32,704 INFO L274 CegarLoopResult]: For program point L522-2(lines 522 526) no Hoare annotation was computed. [2020-11-22 13:05:32,704 INFO L274 CegarLoopResult]: For program point L522-3(lines 522 526) no Hoare annotation was computed. [2020-11-22 13:05:32,705 INFO L274 CegarLoopResult]: For program point L522-5(lines 522 526) no Hoare annotation was computed. [2020-11-22 13:05:32,705 INFO L274 CegarLoopResult]: For program point L522-6(lines 522 526) no Hoare annotation was computed. [2020-11-22 13:05:32,705 INFO L274 CegarLoopResult]: For program point L522-8(lines 522 526) no Hoare annotation was computed. [2020-11-22 13:05:32,705 INFO L270 CegarLoopResult]: At program point L192(lines 187 194) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:05:32,705 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-11-22 13:05:32,705 INFO L274 CegarLoopResult]: For program point L589(lines 589 593) no Hoare annotation was computed. [2020-11-22 13:05:32,705 INFO L270 CegarLoopResult]: At program point L589-2(lines 343 349) the Hoare annotation is: (let ((.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse5 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (or (and .cse0 .cse1 .cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse3 .cse4) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) .cse3 (= ULTIMATE.start_isLowWaterLevel_~tmp~5 (_ bv0 32)) .cse4) (and .cse0 .cse2 .cse3 .cse4 .cse5) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse4 .cse5))) [2020-11-22 13:05:32,705 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-22 13:05:32,705 INFO L274 CegarLoopResult]: For program point L260(lines 260 264) no Hoare annotation was computed. [2020-11-22 13:05:32,705 INFO L274 CegarLoopResult]: For program point L96(lines 96 100) no Hoare annotation was computed. [2020-11-22 13:05:32,705 INFO L274 CegarLoopResult]: For program point L96-1(lines 343 349) no Hoare annotation was computed. [2020-11-22 13:05:32,706 INFO L270 CegarLoopResult]: At program point L328(lines 323 331) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:05:32,706 INFO L270 CegarLoopResult]: At program point L328-1(lines 323 331) the Hoare annotation is: false [2020-11-22 13:05:32,706 INFO L270 CegarLoopResult]: At program point L328-2(lines 323 331) the Hoare annotation is: false [2020-11-22 13:05:32,706 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-22 13:05:32,706 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:05:32,706 INFO L274 CegarLoopResult]: For program point L561(lines 561 567) no Hoare annotation was computed. [2020-11-22 13:05:32,706 INFO L270 CegarLoopResult]: At program point L561-1(lines 561 567) the Hoare annotation is: (let ((.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse5 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (or (and .cse0 .cse1 .cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse3 .cse4) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) .cse3 (= ULTIMATE.start_isLowWaterLevel_~tmp~5 (_ bv0 32)) .cse4) (and .cse0 .cse2 .cse3 .cse4 .cse5) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse4 .cse5))) [2020-11-22 13:05:32,706 INFO L270 CegarLoopResult]: At program point L528(lines 513 531) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp~5 (_ bv0 32)) (= (_ bv0 32) (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~2 (_ bv4294967295 32))) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:05:32,706 INFO L270 CegarLoopResult]: At program point L528-1(lines 513 531) the Hoare annotation is: false [2020-11-22 13:05:32,706 INFO L270 CegarLoopResult]: At program point L528-2(lines 513 531) the Hoare annotation is: false [2020-11-22 13:05:32,707 INFO L270 CegarLoopResult]: At program point L67(lines 1 981) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:05:32,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:05:32 BoogieIcfgContainer [2020-11-22 13:05:32,756 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 13:05:32,756 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 13:05:32,756 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 13:05:32,757 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 13:05:32,757 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:05:13" (3/4) ... [2020-11-22 13:05:32,767 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 13:05:32,792 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-22 13:05:32,794 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-22 13:05:32,795 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-22 13:05:32,796 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-22 13:05:32,797 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-22 13:05:32,798 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:05:32,799 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:05:32,827 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2020-11-22 13:05:32,827 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2020-11-22 13:05:32,828 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2020-11-22 13:05:32,828 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && methAndRunningLastTime == 0bv32) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) [2020-11-22 13:05:32,828 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && methAndRunningLastTime == 0bv32) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) [2020-11-22 13:05:32,830 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && methAndRunningLastTime == 0bv32) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) [2020-11-22 13:05:32,830 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && methAndRunningLastTime == 0bv32) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) [2020-11-22 13:05:32,830 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2020-11-22 13:05:32,831 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2020-11-22 13:05:32,833 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((((splverifierCounter == 0bv32 && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvslt32(waterLevel, 2bv32))) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvslt32(waterLevel, 2bv32))) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) [2020-11-22 13:05:32,834 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2020-11-22 13:05:32,834 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2020-11-22 13:05:32,835 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2020-11-22 13:05:32,835 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && \result == 0bv32) && tmp == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32 [2020-11-22 13:05:32,836 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((((splverifierCounter == 0bv32 && tmp___0 == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && !(tmp == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((((splverifierCounter == 0bv32 && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && \result == 0bv32) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((((((splverifierCounter == 0bv32 && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && \result == 0bv32) && !(tmp == 0bv32)) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2020-11-22 13:05:32,899 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_133b5abd-87ab-4129-818f-2381c84abc5b/bin/utaipan/witness.graphml [2020-11-22 13:05:32,899 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 13:05:32,900 INFO L168 Benchmark]: Toolchain (without parser) took 22758.30 ms. Allocated memory was 50.3 MB in the beginning and 151.0 MB in the end (delta: 100.7 MB). Free memory was 26.2 MB in the beginning and 95.0 MB in the end (delta: -68.8 MB). Peak memory consumption was 31.7 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:32,901 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 50.3 MB. Free memory was 32.3 MB in the beginning and 32.3 MB in the end (delta: 24.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:05:32,901 INFO L168 Benchmark]: CACSL2BoogieTranslator took 667.96 ms. Allocated memory was 50.3 MB in the beginning and 62.9 MB in the end (delta: 12.6 MB). Free memory was 26.0 MB in the beginning and 42.0 MB in the end (delta: -16.0 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:32,902 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.37 ms. Allocated memory is still 62.9 MB. Free memory was 42.0 MB in the beginning and 38.4 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:32,902 INFO L168 Benchmark]: Boogie Preprocessor took 96.91 ms. Allocated memory is still 62.9 MB. Free memory was 38.4 MB in the beginning and 35.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:32,902 INFO L168 Benchmark]: RCFGBuilder took 2298.52 ms. Allocated memory was 62.9 MB in the beginning and 86.0 MB in the end (delta: 23.1 MB). Free memory was 35.6 MB in the beginning and 39.3 MB in the end (delta: -3.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:32,903 INFO L168 Benchmark]: TraceAbstraction took 19458.38 ms. Allocated memory was 86.0 MB in the beginning and 151.0 MB in the end (delta: 65.0 MB). Free memory was 38.8 MB in the beginning and 105.6 MB in the end (delta: -66.8 MB). Peak memory consumption was 65.0 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:32,903 INFO L168 Benchmark]: Witness Printer took 142.97 ms. Allocated memory is still 151.0 MB. Free memory was 105.6 MB in the beginning and 95.0 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:32,906 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 50.3 MB. Free memory was 32.3 MB in the beginning and 32.3 MB in the end (delta: 24.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 667.96 ms. Allocated memory was 50.3 MB in the beginning and 62.9 MB in the end (delta: 12.6 MB). Free memory was 26.0 MB in the beginning and 42.0 MB in the end (delta: -16.0 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 85.37 ms. Allocated memory is still 62.9 MB. Free memory was 42.0 MB in the beginning and 38.4 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 96.91 ms. Allocated memory is still 62.9 MB. Free memory was 38.4 MB in the beginning and 35.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2298.52 ms. Allocated memory was 62.9 MB in the beginning and 86.0 MB in the end (delta: 23.1 MB). Free memory was 35.6 MB in the beginning and 39.3 MB in the end (delta: -3.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 19458.38 ms. Allocated memory was 86.0 MB in the beginning and 151.0 MB in the end (delta: 65.0 MB). Free memory was 38.8 MB in the beginning and 105.6 MB in the end (delta: -66.8 MB). Peak memory consumption was 65.0 MB. Max. memory is 16.1 GB. * Witness Printer took 142.97 ms. Allocated memory is still 151.0 MB. Free memory was 105.6 MB in the beginning and 95.0 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 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: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && methAndRunningLastTime == 0bv32) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && \result == 0bv32) && tmp == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: ((((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((((splverifierCounter == 0bv32 && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvslt32(waterLevel, 2bv32))) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvslt32(waterLevel, 2bv32))) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 343]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && methAndRunningLastTime == 0bv32) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && methAndRunningLastTime == 0bv32) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: ((((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((((splverifierCounter == 0bv32 && tmp___0 == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && !(tmp == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((((splverifierCounter == 0bv32 && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && \result == 0bv32) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((((((splverifierCounter == 0bv32 && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && \result == 0bv32) && !(tmp == 0bv32)) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && methAndRunningLastTime == 0bv32) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 124 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.6s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1256 SDtfs, 1698 SDslu, 2101 SDs, 0 SdLazy, 255 SolverSat, 57 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1142 GetRequests, 1087 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=316occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 1028 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 186 NumberOfFragments, 1141 HoareAnnotationTreeSize, 44 FomulaSimplifications, 697616 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 44 FomulaSimplificationsInter, 123933 FormulaSimplificationTreeSizeReductionInter, 6.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 574 NumberOfCodeBlocks, 574 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1118 ConstructedInterpolants, 1 QuantifiedInterpolants, 133734 SizeOfPredicates, 33 NumberOfNonLiveVariables, 3330 ConjunctsInSsa, 62 ConjunctsInUnsatCore, 30 InterpolantComputations, 24 PerfectInterpolantSequences, 148/184 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...