./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f0860e-05ea-4d58-ae7a-e7660240c9f8/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f0860e-05ea-4d58-ae7a-e7660240c9f8/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f0860e-05ea-4d58-ae7a-e7660240c9f8/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f0860e-05ea-4d58-ae7a-e7660240c9f8/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f0860e-05ea-4d58-ae7a-e7660240c9f8/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f0860e-05ea-4d58-ae7a-e7660240c9f8/bin/utaipan-WLngWcDbfI --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 1ab16baa4986c30d82da896f91b34098372adf7a ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f0860e-05ea-4d58-ae7a-e7660240c9f8/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f0860e-05ea-4d58-ae7a-e7660240c9f8/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f0860e-05ea-4d58-ae7a-e7660240c9f8/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f0860e-05ea-4d58-ae7a-e7660240c9f8/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f0860e-05ea-4d58-ae7a-e7660240c9f8/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f0860e-05ea-4d58-ae7a-e7660240c9f8/bin/utaipan-WLngWcDbfI --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 1ab16baa4986c30d82da896f91b34098372adf7a .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:30:48,756 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:30:48,759 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:30:48,813 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:30:48,813 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:30:48,819 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:30:48,822 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:30:48,827 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:30:48,829 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:30:48,836 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:30:48,837 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:30:48,839 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:30:48,839 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:30:48,846 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:30:48,848 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:30:48,850 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:30:48,852 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:30:48,856 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:30:48,858 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:30:48,867 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:30:48,869 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:30:48,871 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:30:48,875 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:30:48,876 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:30:48,886 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:30:48,887 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:30:48,888 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:30:48,890 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:30:48,891 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:30:48,893 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:30:48,894 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:30:48,895 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:30:48,897 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:30:48,899 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:30:48,901 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:30:48,901 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:30:48,902 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:30:48,902 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:30:48,903 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:30:48,904 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:30:48,905 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:30:48,908 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f0860e-05ea-4d58-ae7a-e7660240c9f8/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:30:48,953 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:30:48,953 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:30:48,955 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:30:48,955 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:30:48,955 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:30:48,956 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:30:48,956 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:30:48,956 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:30:48,956 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:30:48,957 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:30:48,958 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:30:48,958 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:30:48,959 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:30:48,959 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:30:48,959 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:30:48,960 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:30:48,960 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:30:48,961 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:30:48,961 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:30:48,961 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:30:48,961 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:30:48,962 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:30:48,962 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:30:48,962 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:30:48,963 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:30:48,963 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:30:48,963 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:30:48,963 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:30:48,964 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:30:48,965 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:30:48,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:30:48,966 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:30:48,967 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:30:48,967 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:30:48,967 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:30:48,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:30:48,968 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:30:48,968 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:30:48,968 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:30:48,969 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_worker_vcloud-master_on_vcloud-master/run_dir_91f0860e-05ea-4d58-ae7a-e7660240c9f8/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f0860e-05ea-4d58-ae7a-e7660240c9f8/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ab16baa4986c30d82da896f91b34098372adf7a [2021-10-11 02:30:49,274 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:30:49,299 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:30:49,303 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:30:49,304 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:30:49,305 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:30:49,306 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f0860e-05ea-4d58-ae7a-e7660240c9f8/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c [2021-10-11 02:30:49,389 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f0860e-05ea-4d58-ae7a-e7660240c9f8/bin/utaipan-WLngWcDbfI/data/20a83aa49/76b077b373094cafa35819e8777d6681/FLAG6e96d76e3 [2021-10-11 02:30:50,018 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:30:50,019 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f0860e-05ea-4d58-ae7a-e7660240c9f8/sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c [2021-10-11 02:30:50,034 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f0860e-05ea-4d58-ae7a-e7660240c9f8/bin/utaipan-WLngWcDbfI/data/20a83aa49/76b077b373094cafa35819e8777d6681/FLAG6e96d76e3 [2021-10-11 02:30:50,269 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f0860e-05ea-4d58-ae7a-e7660240c9f8/bin/utaipan-WLngWcDbfI/data/20a83aa49/76b077b373094cafa35819e8777d6681 [2021-10-11 02:30:50,272 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:30:50,274 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:30:50,277 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:50,277 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:30:50,288 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:30:50,289 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:50" (1/1) ... [2021-10-11 02:30:50,291 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57b7bbcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:50, skipping insertion in model container [2021-10-11 02:30:50,292 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:50" (1/1) ... [2021-10-11 02:30:50,300 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:30:50,349 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:30:50,709 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f0860e-05ea-4d58-ae7a-e7660240c9f8/sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c[17442,17455] [2021-10-11 02:30:50,733 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:50,747 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) [2021-10-11 02:30:50,748 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@259aa064 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:50, skipping insertion in model container [2021-10-11 02:30:50,748 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:50,749 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:30:50,753 INFO L168 Benchmark]: Toolchain (without parser) took 475.28 ms. Allocated memory was 96.5 MB in the beginning and 130.0 MB in the end (delta: 33.6 MB). Free memory was 62.0 MB in the beginning and 100.4 MB in the end (delta: -38.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:50,755 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 96.5 MB. Free memory was 51.7 MB in the beginning and 51.6 MB in the end (delta: 76.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:30:50,757 INFO L168 Benchmark]: CACSL2BoogieTranslator took 472.07 ms. Allocated memory was 96.5 MB in the beginning and 130.0 MB in the end (delta: 33.6 MB). Free memory was 61.7 MB in the beginning and 100.4 MB in the end (delta: -38.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:50,759 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 96.5 MB. Free memory was 51.7 MB in the beginning and 51.6 MB in the end (delta: 76.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 472.07 ms. Allocated memory was 96.5 MB in the beginning and 130.0 MB in the end (delta: 33.6 MB). Free memory was 61.7 MB in the beginning and 100.4 MB in the end (delta: -38.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 545]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:30:52,814 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:30:52,818 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:30:52,867 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:30:52,868 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:30:52,873 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:30:52,875 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:30:52,879 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:30:52,883 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:30:52,888 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:30:52,892 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:30:52,894 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:30:52,894 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:30:52,897 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:30:52,899 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:30:52,900 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:30:52,902 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:30:52,906 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:30:52,908 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:30:52,915 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:30:52,918 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:30:52,919 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:30:52,921 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:30:52,924 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:30:52,933 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:30:52,933 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:30:52,934 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:30:52,935 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:30:52,936 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:30:52,937 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:30:52,938 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:30:52,939 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:30:52,941 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:30:52,942 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:30:52,943 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:30:52,943 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:30:52,944 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:30:52,945 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:30:52,945 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:30:52,947 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:30:52,948 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:30:52,948 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f0860e-05ea-4d58-ae7a-e7660240c9f8/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:30:52,988 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:30:52,988 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:30:52,990 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:30:52,990 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:30:52,990 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:30:52,990 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:30:52,991 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:30:52,991 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:30:52,991 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:30:52,993 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:30:52,994 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:30:52,994 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:30:52,995 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:30:52,995 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:30:52,995 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:30:52,996 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:30:52,996 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:30:52,996 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:30:52,996 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:30:52,997 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:30:52,997 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:30:52,997 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:30:52,998 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:30:52,998 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:30:52,998 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:30:52,998 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:30:52,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:30:52,999 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:30:52,999 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:30:53,000 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:30:53,000 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:30:53,000 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:30:53,001 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:30:53,001 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:30:53,001 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:30:53,002 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_worker_vcloud-master_on_vcloud-master/run_dir_91f0860e-05ea-4d58-ae7a-e7660240c9f8/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f0860e-05ea-4d58-ae7a-e7660240c9f8/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ab16baa4986c30d82da896f91b34098372adf7a [2021-10-11 02:30:53,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:30:53,434 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:30:53,437 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:30:53,438 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:30:53,439 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:30:53,440 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f0860e-05ea-4d58-ae7a-e7660240c9f8/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c [2021-10-11 02:30:53,499 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f0860e-05ea-4d58-ae7a-e7660240c9f8/bin/utaipan-WLngWcDbfI/data/3d1b66728/568669ee6aae451fbf181c6d391346b4/FLAGe0b8338a0 [2021-10-11 02:30:54,074 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:30:54,075 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f0860e-05ea-4d58-ae7a-e7660240c9f8/sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c [2021-10-11 02:30:54,098 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f0860e-05ea-4d58-ae7a-e7660240c9f8/bin/utaipan-WLngWcDbfI/data/3d1b66728/568669ee6aae451fbf181c6d391346b4/FLAGe0b8338a0 [2021-10-11 02:30:54,354 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f0860e-05ea-4d58-ae7a-e7660240c9f8/bin/utaipan-WLngWcDbfI/data/3d1b66728/568669ee6aae451fbf181c6d391346b4 [2021-10-11 02:30:54,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:30:54,359 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:30:54,363 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:54,363 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:30:54,367 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:30:54,368 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:54" (1/1) ... [2021-10-11 02:30:54,370 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@492c86c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:54, skipping insertion in model container [2021-10-11 02:30:54,370 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:54" (1/1) ... [2021-10-11 02:30:54,379 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:30:54,443 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:30:54,886 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f0860e-05ea-4d58-ae7a-e7660240c9f8/sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c[17442,17455] [2021-10-11 02:30:54,901 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:54,923 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:30:54,931 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:30:54,984 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f0860e-05ea-4d58-ae7a-e7660240c9f8/sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c[17442,17455] [2021-10-11 02:30:54,987 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:54,996 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:30:55,072 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f0860e-05ea-4d58-ae7a-e7660240c9f8/sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c[17442,17455] [2021-10-11 02:30:55,076 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:55,126 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:30:55,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:55 WrapperNode [2021-10-11 02:30:55,127 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:55,128 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:30:55,128 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:30:55,128 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:30:55,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:55" (1/1) ... [2021-10-11 02:30:55,157 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:55" (1/1) ... [2021-10-11 02:30:55,210 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:30:55,211 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:30:55,211 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:30:55,211 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:30:55,221 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:55" (1/1) ... [2021-10-11 02:30:55,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:55" (1/1) ... [2021-10-11 02:30:55,228 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:55" (1/1) ... [2021-10-11 02:30:55,229 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:55" (1/1) ... [2021-10-11 02:30:55,245 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:55" (1/1) ... [2021-10-11 02:30:55,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:55" (1/1) ... [2021-10-11 02:30:55,258 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:55" (1/1) ... [2021-10-11 02:30:55,274 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:30:55,275 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:30:55,276 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:30:55,276 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:30:55,276 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:55" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f0860e-05ea-4d58-ae7a-e7660240c9f8/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:30:55,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:30:55,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:30:55,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:30:55,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:30:57,686 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:30:57,687 INFO L299 CfgBuilder]: Removed 200 assume(true) statements. [2021-10-11 02:30:57,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:30:57 BoogieIcfgContainer [2021-10-11 02:30:57,691 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:30:57,693 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:30:57,693 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:30:57,696 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:30:57,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:30:54" (1/3) ... [2021-10-11 02:30:57,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62f4b031 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:30:57, skipping insertion in model container [2021-10-11 02:30:57,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:55" (2/3) ... [2021-10-11 02:30:57,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62f4b031 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:30:57, skipping insertion in model container [2021-10-11 02:30:57,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:30:57" (3/3) ... [2021-10-11 02:30:57,700 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product48.cil.c [2021-10-11 02:30:57,714 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:30:57,721 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:30:57,732 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:30:57,769 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:30:57,770 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:30:57,770 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:30:57,770 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:30:57,770 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:30:57,771 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:30:57,771 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:30:57,771 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:30:57,791 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2021-10-11 02:30:57,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 02:30:57,798 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:57,799 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:57,799 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:57,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:57,806 INFO L82 PathProgramCache]: Analyzing trace with hash -330996092, now seen corresponding path program 1 times [2021-10-11 02:30:57,822 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:57,822 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [221591833] [2021-10-11 02:30:57,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f0860e-05ea-4d58-ae7a-e7660240c9f8/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:30:58,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:58,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:30:58,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:58,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:58,140 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:58,141 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [221591833] [2021-10-11 02:30:58,142 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:58,142 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:30:58,144 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637592612] [2021-10-11 02:30:58,149 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:30:58,149 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:58,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:30:58,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:30:58,165 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 2 states. [2021-10-11 02:30:58,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:58,228 INFO L93 Difference]: Finished difference Result 263 states and 396 transitions. [2021-10-11 02:30:58,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:30:58,230 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 02:30:58,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:58,243 INFO L225 Difference]: With dead ends: 263 [2021-10-11 02:30:58,244 INFO L226 Difference]: Without dead ends: 131 [2021-10-11 02:30:58,248 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:30:58,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2021-10-11 02:30:58,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2021-10-11 02:30:58,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2021-10-11 02:30:58,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 190 transitions. [2021-10-11 02:30:58,305 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 190 transitions. Word has length 18 [2021-10-11 02:30:58,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:58,305 INFO L481 AbstractCegarLoop]: Abstraction has 131 states and 190 transitions. [2021-10-11 02:30:58,305 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:30:58,306 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 190 transitions. [2021-10-11 02:30:58,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 02:30:58,307 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:58,307 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:58,523 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:30:58,523 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:58,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:58,524 INFO L82 PathProgramCache]: Analyzing trace with hash -549832061, now seen corresponding path program 1 times [2021-10-11 02:30:58,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:58,525 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2056936526] [2021-10-11 02:30:58,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f0860e-05ea-4d58-ae7a-e7660240c9f8/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:30:58,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:58,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:30:58,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:58,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:58,740 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:58,741 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2056936526] [2021-10-11 02:30:58,741 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:58,741 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:30:58,741 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289881629] [2021-10-11 02:30:58,742 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:58,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:58,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:58,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:58,744 INFO L87 Difference]: Start difference. First operand 131 states and 190 transitions. Second operand 3 states. [2021-10-11 02:30:58,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:58,755 INFO L93 Difference]: Finished difference Result 131 states and 190 transitions. [2021-10-11 02:30:58,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:58,755 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 02:30:58,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:58,756 INFO L225 Difference]: With dead ends: 131 [2021-10-11 02:30:58,756 INFO L226 Difference]: Without dead ends: 55 [2021-10-11 02:30:58,758 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:58,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-10-11 02:30:58,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-10-11 02:30:58,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2021-10-11 02:30:58,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2021-10-11 02:30:58,764 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 19 [2021-10-11 02:30:58,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:58,764 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2021-10-11 02:30:58,764 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:58,764 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2021-10-11 02:30:58,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:30:58,765 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:58,765 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] [2021-10-11 02:30:58,981 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:30:58,981 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:58,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:58,982 INFO L82 PathProgramCache]: Analyzing trace with hash 1314651584, now seen corresponding path program 1 times [2021-10-11 02:30:58,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:58,985 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [105710933] [2021-10-11 02:30:58,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f0860e-05ea-4d58-ae7a-e7660240c9f8/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:30:59,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:59,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:30:59,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:59,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:59,198 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:59,198 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [105710933] [2021-10-11 02:30:59,198 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:59,198 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:30:59,199 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539372889] [2021-10-11 02:30:59,199 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:59,199 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:59,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:59,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:59,200 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 3 states. [2021-10-11 02:30:59,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:59,242 INFO L93 Difference]: Finished difference Result 151 states and 223 transitions. [2021-10-11 02:30:59,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:59,243 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:30:59,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:59,244 INFO L225 Difference]: With dead ends: 151 [2021-10-11 02:30:59,245 INFO L226 Difference]: Without dead ends: 103 [2021-10-11 02:30:59,245 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:59,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2021-10-11 02:30:59,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 99. [2021-10-11 02:30:59,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2021-10-11 02:30:59,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 146 transitions. [2021-10-11 02:30:59,258 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 146 transitions. Word has length 24 [2021-10-11 02:30:59,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:59,258 INFO L481 AbstractCegarLoop]: Abstraction has 99 states and 146 transitions. [2021-10-11 02:30:59,258 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:59,258 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 146 transitions. [2021-10-11 02:30:59,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 02:30:59,260 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:59,260 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] [2021-10-11 02:30:59,477 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:30:59,478 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:59,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:59,478 INFO L82 PathProgramCache]: Analyzing trace with hash 399769442, now seen corresponding path program 1 times [2021-10-11 02:30:59,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:59,479 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [286857880] [2021-10-11 02:30:59,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f0860e-05ea-4d58-ae7a-e7660240c9f8/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:30:59,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:59,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:30:59,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:59,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:59,712 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:59,712 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [286857880] [2021-10-11 02:30:59,712 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:59,712 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:30:59,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713694224] [2021-10-11 02:30:59,713 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:59,713 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:59,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:59,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:59,716 INFO L87 Difference]: Start difference. First operand 99 states and 146 transitions. Second operand 3 states. [2021-10-11 02:30:59,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:59,787 INFO L93 Difference]: Finished difference Result 234 states and 351 transitions. [2021-10-11 02:30:59,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:59,787 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2021-10-11 02:30:59,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:59,790 INFO L225 Difference]: With dead ends: 234 [2021-10-11 02:30:59,790 INFO L226 Difference]: Without dead ends: 142 [2021-10-11 02:30:59,792 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:59,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2021-10-11 02:30:59,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 140. [2021-10-11 02:30:59,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2021-10-11 02:30:59,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 204 transitions. [2021-10-11 02:30:59,822 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 204 transitions. Word has length 26 [2021-10-11 02:30:59,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:59,823 INFO L481 AbstractCegarLoop]: Abstraction has 140 states and 204 transitions. [2021-10-11 02:30:59,824 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:59,824 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 204 transitions. [2021-10-11 02:30:59,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-11 02:30:59,829 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:59,829 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] [2021-10-11 02:31:00,048 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:31:00,051 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:00,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:00,051 INFO L82 PathProgramCache]: Analyzing trace with hash -521625591, now seen corresponding path program 1 times [2021-10-11 02:31:00,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:00,052 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1918078808] [2021-10-11 02:31:00,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f0860e-05ea-4d58-ae7a-e7660240c9f8/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:31:00,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:00,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:31:00,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:00,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:31:00,290 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:00,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1918078808] [2021-10-11 02:31:00,290 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:00,290 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:31:00,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96262795] [2021-10-11 02:31:00,291 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:31:00,291 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:00,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:31:00,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:31:00,292 INFO L87 Difference]: Start difference. First operand 140 states and 204 transitions. Second operand 5 states. [2021-10-11 02:31:00,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:00,521 INFO L93 Difference]: Finished difference Result 685 states and 1010 transitions. [2021-10-11 02:31:00,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 02:31:00,521 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2021-10-11 02:31:00,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:00,525 INFO L225 Difference]: With dead ends: 685 [2021-10-11 02:31:00,525 INFO L226 Difference]: Without dead ends: 552 [2021-10-11 02:31:00,529 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:31:00,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2021-10-11 02:31:00,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 259. [2021-10-11 02:31:00,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2021-10-11 02:31:00,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 372 transitions. [2021-10-11 02:31:00,586 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 372 transitions. Word has length 27 [2021-10-11 02:31:00,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:00,586 INFO L481 AbstractCegarLoop]: Abstraction has 259 states and 372 transitions. [2021-10-11 02:31:00,586 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:31:00,587 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 372 transitions. [2021-10-11 02:31:00,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-11 02:31:00,590 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:00,590 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] [2021-10-11 02:31:00,801 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:31:00,802 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:00,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:00,802 INFO L82 PathProgramCache]: Analyzing trace with hash -1955770751, now seen corresponding path program 1 times [2021-10-11 02:31:00,803 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:00,803 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [485525239] [2021-10-11 02:31:00,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f0860e-05ea-4d58-ae7a-e7660240c9f8/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:31:00,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:00,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:31:00,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:01,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:31:01,030 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:01,031 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [485525239] [2021-10-11 02:31:01,031 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:01,031 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:31:01,031 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329857845] [2021-10-11 02:31:01,031 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:31:01,032 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:01,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:31:01,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:31:01,032 INFO L87 Difference]: Start difference. First operand 259 states and 372 transitions. Second operand 5 states. [2021-10-11 02:31:01,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:01,278 INFO L93 Difference]: Finished difference Result 997 states and 1435 transitions. [2021-10-11 02:31:01,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 02:31:01,278 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2021-10-11 02:31:01,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:01,283 INFO L225 Difference]: With dead ends: 997 [2021-10-11 02:31:01,283 INFO L226 Difference]: Without dead ends: 745 [2021-10-11 02:31:01,284 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:31:01,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2021-10-11 02:31:01,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 257. [2021-10-11 02:31:01,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2021-10-11 02:31:01,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 366 transitions. [2021-10-11 02:31:01,315 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 366 transitions. Word has length 28 [2021-10-11 02:31:01,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:01,315 INFO L481 AbstractCegarLoop]: Abstraction has 257 states and 366 transitions. [2021-10-11 02:31:01,315 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:31:01,315 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 366 transitions. [2021-10-11 02:31:01,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-11 02:31:01,316 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:01,317 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:31:01,533 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2021-10-11 02:31:01,533 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:01,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:01,533 INFO L82 PathProgramCache]: Analyzing trace with hash 1721615084, now seen corresponding path program 1 times [2021-10-11 02:31:01,534 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:01,534 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1683397689] [2021-10-11 02:31:01,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f0860e-05ea-4d58-ae7a-e7660240c9f8/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:31:01,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:01,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:31:01,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:01,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:31:01,766 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:01,766 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1683397689] [2021-10-11 02:31:01,766 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:01,766 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:31:01,767 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996182192] [2021-10-11 02:31:01,767 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:31:01,767 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:01,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:31:01,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:31:01,769 INFO L87 Difference]: Start difference. First operand 257 states and 366 transitions. Second operand 5 states. [2021-10-11 02:31:01,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:01,882 INFO L93 Difference]: Finished difference Result 687 states and 965 transitions. [2021-10-11 02:31:01,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:31:01,883 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2021-10-11 02:31:01,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:01,887 INFO L225 Difference]: With dead ends: 687 [2021-10-11 02:31:01,887 INFO L226 Difference]: Without dead ends: 437 [2021-10-11 02:31:01,893 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:31:01,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2021-10-11 02:31:01,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 281. [2021-10-11 02:31:01,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2021-10-11 02:31:01,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 390 transitions. [2021-10-11 02:31:01,922 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 390 transitions. Word has length 36 [2021-10-11 02:31:01,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:01,922 INFO L481 AbstractCegarLoop]: Abstraction has 281 states and 390 transitions. [2021-10-11 02:31:01,923 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:31:01,923 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 390 transitions. [2021-10-11 02:31:01,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-11 02:31:01,923 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:01,924 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:31:02,138 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2021-10-11 02:31:02,138 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:02,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:02,139 INFO L82 PathProgramCache]: Analyzing trace with hash 710497834, now seen corresponding path program 1 times [2021-10-11 02:31:02,139 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:02,140 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [660759304] [2021-10-11 02:31:02,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f0860e-05ea-4d58-ae7a-e7660240c9f8/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:31:02,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:02,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 02:31:02,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:02,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:31:02,371 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:02,371 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [660759304] [2021-10-11 02:31:02,372 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:02,372 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:31:02,372 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499910888] [2021-10-11 02:31:02,372 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:31:02,372 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:02,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:31:02,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:31:02,373 INFO L87 Difference]: Start difference. First operand 281 states and 390 transitions. Second operand 4 states. [2021-10-11 02:31:02,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:02,453 INFO L93 Difference]: Finished difference Result 675 states and 927 transitions. [2021-10-11 02:31:02,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:31:02,453 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36 [2021-10-11 02:31:02,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:02,460 INFO L225 Difference]: With dead ends: 675 [2021-10-11 02:31:02,460 INFO L226 Difference]: Without dead ends: 401 [2021-10-11 02:31:02,461 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:31:02,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2021-10-11 02:31:02,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 297. [2021-10-11 02:31:02,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2021-10-11 02:31:02,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 406 transitions. [2021-10-11 02:31:02,498 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 406 transitions. Word has length 36 [2021-10-11 02:31:02,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:02,499 INFO L481 AbstractCegarLoop]: Abstraction has 297 states and 406 transitions. [2021-10-11 02:31:02,499 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:31:02,502 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 406 transitions. [2021-10-11 02:31:02,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-11 02:31:02,503 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:02,503 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:31:02,719 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2021-10-11 02:31:02,722 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:02,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:02,723 INFO L82 PathProgramCache]: Analyzing trace with hash -310570520, now seen corresponding path program 1 times [2021-10-11 02:31:02,723 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:02,724 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [745548969] [2021-10-11 02:31:02,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f0860e-05ea-4d58-ae7a-e7660240c9f8/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:31:02,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:02,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:31:02,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:02,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:31:02,922 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:02,923 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [745548969] [2021-10-11 02:31:02,923 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:02,923 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:31:02,923 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022901065] [2021-10-11 02:31:02,923 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:31:02,924 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:02,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:31:02,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:31:02,924 INFO L87 Difference]: Start difference. First operand 297 states and 406 transitions. Second operand 3 states. [2021-10-11 02:31:02,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:02,982 INFO L93 Difference]: Finished difference Result 691 states and 939 transitions. [2021-10-11 02:31:02,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:31:02,984 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2021-10-11 02:31:02,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:02,986 INFO L225 Difference]: With dead ends: 691 [2021-10-11 02:31:02,987 INFO L226 Difference]: Without dead ends: 401 [2021-10-11 02:31:02,988 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:31:02,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2021-10-11 02:31:03,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 401. [2021-10-11 02:31:03,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2021-10-11 02:31:03,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 532 transitions. [2021-10-11 02:31:03,054 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 532 transitions. Word has length 36 [2021-10-11 02:31:03,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:03,056 INFO L481 AbstractCegarLoop]: Abstraction has 401 states and 532 transitions. [2021-10-11 02:31:03,056 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:31:03,057 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 532 transitions. [2021-10-11 02:31:03,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-11 02:31:03,058 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:03,059 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:31:03,274 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2021-10-11 02:31:03,275 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:03,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:03,275 INFO L82 PathProgramCache]: Analyzing trace with hash -1785049304, now seen corresponding path program 1 times [2021-10-11 02:31:03,276 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:03,276 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [693758410] [2021-10-11 02:31:03,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f0860e-05ea-4d58-ae7a-e7660240c9f8/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:31:03,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:03,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:31:03,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:03,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:31:03,516 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:03,516 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [693758410] [2021-10-11 02:31:03,516 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:03,516 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 02:31:03,516 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338585619] [2021-10-11 02:31:03,517 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:31:03,517 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:03,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:31:03,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:31:03,517 INFO L87 Difference]: Start difference. First operand 401 states and 532 transitions. Second operand 6 states. [2021-10-11 02:31:05,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:05,067 INFO L93 Difference]: Finished difference Result 1452 states and 1939 transitions. [2021-10-11 02:31:05,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-11 02:31:05,068 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2021-10-11 02:31:05,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:05,074 INFO L225 Difference]: With dead ends: 1452 [2021-10-11 02:31:05,074 INFO L226 Difference]: Without dead ends: 1058 [2021-10-11 02:31:05,075 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2021-10-11 02:31:05,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1058 states. [2021-10-11 02:31:05,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1058 to 401. [2021-10-11 02:31:05,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2021-10-11 02:31:05,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 522 transitions. [2021-10-11 02:31:05,130 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 522 transitions. Word has length 37 [2021-10-11 02:31:05,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:05,131 INFO L481 AbstractCegarLoop]: Abstraction has 401 states and 522 transitions. [2021-10-11 02:31:05,131 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:31:05,131 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 522 transitions. [2021-10-11 02:31:05,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-11 02:31:05,132 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:05,133 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2021-10-11 02:31:05,345 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2021-10-11 02:31:05,345 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:05,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:05,346 INFO L82 PathProgramCache]: Analyzing trace with hash -2139873590, now seen corresponding path program 1 times [2021-10-11 02:31:05,346 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:05,346 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [263226853] [2021-10-11 02:31:05,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f0860e-05ea-4d58-ae7a-e7660240c9f8/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:31:05,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:05,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:31:05,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:05,596 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:31:05,596 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:05,596 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [263226853] [2021-10-11 02:31:05,597 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:05,597 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:31:05,597 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057363879] [2021-10-11 02:31:05,597 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:31:05,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:05,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:31:05,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:31:05,598 INFO L87 Difference]: Start difference. First operand 401 states and 522 transitions. Second operand 3 states. [2021-10-11 02:31:05,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:05,689 INFO L93 Difference]: Finished difference Result 871 states and 1137 transitions. [2021-10-11 02:31:05,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:31:05,689 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2021-10-11 02:31:05,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:05,692 INFO L225 Difference]: With dead ends: 871 [2021-10-11 02:31:05,692 INFO L226 Difference]: Without dead ends: 477 [2021-10-11 02:31:05,693 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:31:05,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2021-10-11 02:31:05,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 278. [2021-10-11 02:31:05,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2021-10-11 02:31:05,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 360 transitions. [2021-10-11 02:31:05,737 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 360 transitions. Word has length 55 [2021-10-11 02:31:05,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:05,737 INFO L481 AbstractCegarLoop]: Abstraction has 278 states and 360 transitions. [2021-10-11 02:31:05,737 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:31:05,737 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 360 transitions. [2021-10-11 02:31:05,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-11 02:31:05,738 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:05,739 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1] [2021-10-11 02:31:05,954 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2021-10-11 02:31:05,954 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:05,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:05,954 INFO L82 PathProgramCache]: Analyzing trace with hash 1298914206, now seen corresponding path program 1 times [2021-10-11 02:31:05,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:05,955 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [507693244] [2021-10-11 02:31:05,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f0860e-05ea-4d58-ae7a-e7660240c9f8/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:31:06,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:06,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:31:06,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:06,228 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-11 02:31:06,228 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:06,228 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [507693244] [2021-10-11 02:31:06,228 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:06,228 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 02:31:06,229 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096574479] [2021-10-11 02:31:06,230 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:31:06,230 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:06,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:31:06,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:31:06,231 INFO L87 Difference]: Start difference. First operand 278 states and 360 transitions. Second operand 6 states. [2021-10-11 02:31:07,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:07,827 INFO L93 Difference]: Finished difference Result 761 states and 995 transitions. [2021-10-11 02:31:07,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-11 02:31:07,827 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2021-10-11 02:31:07,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:07,828 INFO L225 Difference]: With dead ends: 761 [2021-10-11 02:31:07,828 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:31:07,830 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2021-10-11 02:31:07,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:31:07,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:31:07,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:31:07,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:31:07,830 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2021-10-11 02:31:07,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:07,831 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:31:07,831 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:31:07,831 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:31:07,831 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:31:08,044 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3 [2021-10-11 02:31:08,045 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:31:08,552 WARN L197 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 150 [2021-10-11 02:31:09,098 WARN L197 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 156 [2021-10-11 02:31:09,250 WARN L197 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 94 [2021-10-11 02:31:09,590 WARN L197 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 140 [2021-10-11 02:31:09,746 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 107 [2021-10-11 02:31:10,054 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 120 [2021-10-11 02:31:10,340 WARN L197 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 154 [2021-10-11 02:31:10,613 WARN L197 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 140 [2021-10-11 02:31:11,326 WARN L197 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 19 [2021-10-11 02:31:12,211 WARN L197 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 20 [2021-10-11 02:31:12,654 WARN L197 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 14 [2021-10-11 02:31:13,605 WARN L197 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2021-10-11 02:31:14,300 WARN L197 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 27 [2021-10-11 02:31:14,501 WARN L197 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 21 [2021-10-11 02:31:14,994 WARN L197 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 27 [2021-10-11 02:31:15,440 WARN L197 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 19 [2021-10-11 02:31:16,376 WARN L197 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 19 [2021-10-11 02:31:17,102 WARN L197 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2021-10-11 02:31:17,108 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 887) no Hoare annotation was computed. [2021-10-11 02:31:17,109 INFO L258 CegarLoopResult]: At program point L168(lines 1 987) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:31:17,109 INFO L262 CegarLoopResult]: For program point L499(lines 499 509) no Hoare annotation was computed. [2021-10-11 02:31:17,109 INFO L262 CegarLoopResult]: For program point L499-2(lines 499 509) no Hoare annotation was computed. [2021-10-11 02:31:17,109 INFO L262 CegarLoopResult]: For program point L499-4(lines 499 509) no Hoare annotation was computed. [2021-10-11 02:31:17,109 INFO L262 CegarLoopResult]: For program point L500(lines 500 506) no Hoare annotation was computed. [2021-10-11 02:31:17,109 INFO L262 CegarLoopResult]: For program point L500-2(lines 500 506) no Hoare annotation was computed. [2021-10-11 02:31:17,109 INFO L262 CegarLoopResult]: For program point L500-4(lines 500 506) no Hoare annotation was computed. [2021-10-11 02:31:17,109 INFO L262 CegarLoopResult]: For program point L302(lines 302 310) no Hoare annotation was computed. [2021-10-11 02:31:17,109 INFO L262 CegarLoopResult]: For program point L302-1(lines 302 310) no Hoare annotation was computed. [2021-10-11 02:31:17,109 INFO L262 CegarLoopResult]: For program point L302-2(lines 302 310) no Hoare annotation was computed. [2021-10-11 02:31:17,109 INFO L262 CegarLoopResult]: For program point L302-3(lines 302 310) no Hoare annotation was computed. [2021-10-11 02:31:17,109 INFO L262 CegarLoopResult]: For program point L302-4(lines 302 310) no Hoare annotation was computed. [2021-10-11 02:31:17,110 INFO L258 CegarLoopResult]: At program point L137(lines 128 141) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32))) [2021-10-11 02:31:17,110 INFO L262 CegarLoopResult]: For program point L302-5(lines 302 310) no Hoare annotation was computed. [2021-10-11 02:31:17,110 INFO L258 CegarLoopResult]: At program point L137-1(lines 128 141) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1 .cse2))) [2021-10-11 02:31:17,110 INFO L258 CegarLoopResult]: At program point L137-2(lines 128 141) the Hoare annotation is: false [2021-10-11 02:31:17,110 INFO L258 CegarLoopResult]: At program point L137-3(lines 128 141) the Hoare annotation is: false [2021-10-11 02:31:17,110 INFO L258 CegarLoopResult]: At program point L137-4(lines 128 141) the Hoare annotation is: false [2021-10-11 02:31:17,110 INFO L258 CegarLoopResult]: At program point L137-5(lines 128 141) the Hoare annotation is: false [2021-10-11 02:31:17,110 INFO L262 CegarLoopResult]: For program point L205(lines 205 211) no Hoare annotation was computed. [2021-10-11 02:31:17,110 INFO L258 CegarLoopResult]: At program point L205-1(lines 205 211) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~5)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32)))) (or (and .cse0 (not (= ~systemActive~0 (_ bv0 32))) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse4 .cse3) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse4) (and .cse0 .cse4 .cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))))) [2021-10-11 02:31:17,111 INFO L258 CegarLoopResult]: At program point L273(lines 273 279) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1) (and .cse0 (not (= ~systemActive~0 (_ bv0 32))) .cse2))) [2021-10-11 02:31:17,111 INFO L258 CegarLoopResult]: At program point L273-1(lines 273 279) the Hoare annotation is: false [2021-10-11 02:31:17,111 INFO L258 CegarLoopResult]: At program point L273-2(lines 273 279) the Hoare annotation is: false [2021-10-11 02:31:17,111 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 887) no Hoare annotation was computed. [2021-10-11 02:31:17,111 INFO L258 CegarLoopResult]: At program point L176(lines 171 179) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:31:17,111 INFO L258 CegarLoopResult]: At program point L903-2(lines 903 917) the Hoare annotation is: false [2021-10-11 02:31:17,111 INFO L262 CegarLoopResult]: For program point L904(line 904) no Hoare annotation was computed. [2021-10-11 02:31:17,112 INFO L262 CegarLoopResult]: For program point L79(lines 79 83) no Hoare annotation was computed. [2021-10-11 02:31:17,112 INFO L262 CegarLoopResult]: For program point L443(lines 443 447) no Hoare annotation was computed. [2021-10-11 02:31:17,112 INFO L262 CegarLoopResult]: For program point L443-2(lines 443 447) no Hoare annotation was computed. [2021-10-11 02:31:17,112 INFO L262 CegarLoopResult]: For program point L443-3(lines 443 447) no Hoare annotation was computed. [2021-10-11 02:31:17,112 INFO L262 CegarLoopResult]: For program point L443-5(lines 443 447) no Hoare annotation was computed. [2021-10-11 02:31:17,112 INFO L258 CegarLoopResult]: At program point L245(lines 194 246) the Hoare annotation is: false [2021-10-11 02:31:17,112 INFO L262 CegarLoopResult]: For program point L443-6(lines 443 447) no Hoare annotation was computed. [2021-10-11 02:31:17,112 INFO L262 CegarLoopResult]: For program point L443-8(lines 443 447) no Hoare annotation was computed. [2021-10-11 02:31:17,113 INFO L262 CegarLoopResult]: For program point L443-9(lines 443 447) no Hoare annotation was computed. [2021-10-11 02:31:17,113 INFO L262 CegarLoopResult]: For program point L443-11(lines 443 447) no Hoare annotation was computed. [2021-10-11 02:31:17,113 INFO L262 CegarLoopResult]: For program point L443-12(lines 443 447) no Hoare annotation was computed. [2021-10-11 02:31:17,113 INFO L262 CegarLoopResult]: For program point L443-14(lines 443 447) no Hoare annotation was computed. [2021-10-11 02:31:17,113 INFO L262 CegarLoopResult]: For program point L443-15(lines 443 447) no Hoare annotation was computed. [2021-10-11 02:31:17,113 INFO L262 CegarLoopResult]: For program point L443-17(lines 443 447) no Hoare annotation was computed. [2021-10-11 02:31:17,113 INFO L262 CegarLoopResult]: For program point L907(lines 907 911) no Hoare annotation was computed. [2021-10-11 02:31:17,113 INFO L262 CegarLoopResult]: For program point L907-1(lines 266 272) no Hoare annotation was computed. [2021-10-11 02:31:17,114 INFO L262 CegarLoopResult]: For program point L215(lines 215 221) no Hoare annotation was computed. [2021-10-11 02:31:17,114 INFO L258 CegarLoopResult]: At program point L215-1(lines 215 221) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse4) (and .cse3 .cse0 .cse1) (and .cse0 .cse4 .cse2))) [2021-10-11 02:31:17,114 INFO L262 CegarLoopResult]: For program point L975(lines 975 982) no Hoare annotation was computed. [2021-10-11 02:31:17,114 INFO L265 CegarLoopResult]: At program point L975-1(lines 975 982) the Hoare annotation is: true [2021-10-11 02:31:17,114 INFO L258 CegarLoopResult]: At program point L449(lines 434 452) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32))) [2021-10-11 02:31:17,114 INFO L258 CegarLoopResult]: At program point L449-1(lines 434 452) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1 .cse2))) [2021-10-11 02:31:17,114 INFO L258 CegarLoopResult]: At program point L449-2(lines 434 452) the Hoare annotation is: false [2021-10-11 02:31:17,115 INFO L258 CegarLoopResult]: At program point L449-3(lines 434 452) the Hoare annotation is: false [2021-10-11 02:31:17,115 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:31:17,115 INFO L258 CegarLoopResult]: At program point L449-4(lines 434 452) the Hoare annotation is: false [2021-10-11 02:31:17,115 INFO L258 CegarLoopResult]: At program point L449-5(lines 434 452) the Hoare annotation is: false [2021-10-11 02:31:17,115 INFO L258 CegarLoopResult]: At program point L484(lines 479 486) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:31:17,115 INFO L258 CegarLoopResult]: At program point L385(lines 378 388) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32))) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneAlarm_#res| (_ bv4294967295 32))) .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))))) [2021-10-11 02:31:17,116 INFO L258 CegarLoopResult]: At program point L385-1(lines 378 388) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32))) [2021-10-11 02:31:17,116 INFO L258 CegarLoopResult]: At program point L385-2(lines 378 388) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneAlarm_#res| (_ bv4294967295 32))) .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse2))) [2021-10-11 02:31:17,116 INFO L258 CegarLoopResult]: At program point L385-3(lines 378 388) the Hoare annotation is: false [2021-10-11 02:31:17,116 INFO L258 CegarLoopResult]: At program point L385-4(lines 378 388) the Hoare annotation is: false [2021-10-11 02:31:17,116 INFO L258 CegarLoopResult]: At program point L385-5(lines 378 388) the Hoare annotation is: false [2021-10-11 02:31:17,116 INFO L258 CegarLoopResult]: At program point L385-6(lines 378 388) the Hoare annotation is: false [2021-10-11 02:31:17,116 INFO L258 CegarLoopResult]: At program point L385-7(lines 378 388) the Hoare annotation is: false [2021-10-11 02:31:17,116 INFO L258 CegarLoopResult]: At program point L385-8(lines 378 388) the Hoare annotation is: false [2021-10-11 02:31:17,117 INFO L262 CegarLoopResult]: For program point L55(lines 55 59) no Hoare annotation was computed. [2021-10-11 02:31:17,117 INFO L262 CegarLoopResult]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2021-10-11 02:31:17,117 INFO L262 CegarLoopResult]: For program point L55-6(lines 55 59) no Hoare annotation was computed. [2021-10-11 02:31:17,117 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:31:17,117 INFO L258 CegarLoopResult]: At program point L92(lines 87 95) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32))) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))))) [2021-10-11 02:31:17,117 INFO L258 CegarLoopResult]: At program point L92-1(lines 87 95) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32))) [2021-10-11 02:31:17,117 INFO L258 CegarLoopResult]: At program point L92-2(lines 87 95) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse2) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 (= ~methaneLevelCritical~0 (_ bv0 32))))) [2021-10-11 02:31:17,118 INFO L258 CegarLoopResult]: At program point L92-3(lines 87 95) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32)))) (or (and .cse0 (not (= ~systemActive~0 (_ bv0 32))) .cse1 .cse2) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse3) (and .cse0 .cse1 .cse3 .cse2))) [2021-10-11 02:31:17,118 INFO L258 CegarLoopResult]: At program point L92-4(lines 87 95) the Hoare annotation is: false [2021-10-11 02:31:17,118 INFO L265 CegarLoopResult]: At program point L984(lines 965 987) the Hoare annotation is: true [2021-10-11 02:31:17,118 INFO L258 CegarLoopResult]: At program point L951(lines 947 953) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:31:17,118 INFO L258 CegarLoopResult]: At program point L92-5(lines 87 95) the Hoare annotation is: false [2021-10-11 02:31:17,118 INFO L258 CegarLoopResult]: At program point L92-6(lines 87 95) the Hoare annotation is: false [2021-10-11 02:31:17,118 INFO L258 CegarLoopResult]: At program point L92-7(lines 87 95) the Hoare annotation is: false [2021-10-11 02:31:17,119 INFO L258 CegarLoopResult]: At program point L92-8(lines 87 95) the Hoare annotation is: false [2021-10-11 02:31:17,119 INFO L258 CegarLoopResult]: At program point L92-9(lines 87 95) the Hoare annotation is: false [2021-10-11 02:31:17,119 INFO L258 CegarLoopResult]: At program point L92-10(lines 87 95) the Hoare annotation is: false [2021-10-11 02:31:17,119 INFO L258 CegarLoopResult]: At program point L92-11(lines 87 95) the Hoare annotation is: false [2021-10-11 02:31:17,119 INFO L262 CegarLoopResult]: For program point L324(lines 324 341) no Hoare annotation was computed. [2021-10-11 02:31:17,119 INFO L262 CegarLoopResult]: For program point L324-1(lines 324 341) no Hoare annotation was computed. [2021-10-11 02:31:17,119 INFO L262 CegarLoopResult]: For program point L324-2(lines 324 341) no Hoare annotation was computed. [2021-10-11 02:31:17,119 INFO L262 CegarLoopResult]: For program point L225(lines 225 240) no Hoare annotation was computed. [2021-10-11 02:31:17,120 INFO L262 CegarLoopResult]: For program point L457(lines 457 463) no Hoare annotation was computed. [2021-10-11 02:31:17,120 INFO L258 CegarLoopResult]: At program point L457-1(lines 457 463) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1))) [2021-10-11 02:31:17,120 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:31:17,120 INFO L262 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2021-10-11 02:31:17,120 INFO L262 CegarLoopResult]: For program point L887-1(line 887) no Hoare annotation was computed. [2021-10-11 02:31:17,120 INFO L262 CegarLoopResult]: For program point L887-2(line 887) no Hoare annotation was computed. [2021-10-11 02:31:17,120 INFO L262 CegarLoopResult]: For program point L360(lines 360 366) no Hoare annotation was computed. [2021-10-11 02:31:17,120 INFO L262 CegarLoopResult]: For program point L360-2(lines 360 366) no Hoare annotation was computed. [2021-10-11 02:31:17,121 INFO L262 CegarLoopResult]: For program point L360-4(lines 360 366) no Hoare annotation was computed. [2021-10-11 02:31:17,121 INFO L262 CegarLoopResult]: For program point L360-6(lines 360 366) no Hoare annotation was computed. [2021-10-11 02:31:17,121 INFO L262 CegarLoopResult]: For program point L360-8(lines 360 366) no Hoare annotation was computed. [2021-10-11 02:31:17,121 INFO L262 CegarLoopResult]: For program point L360-10(lines 360 366) no Hoare annotation was computed. [2021-10-11 02:31:17,121 INFO L258 CegarLoopResult]: At program point L394(lines 389 397) the Hoare annotation is: (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:31:17,121 INFO L258 CegarLoopResult]: At program point L394-1(lines 389 397) the Hoare annotation is: false [2021-10-11 02:31:17,121 INFO L262 CegarLoopResult]: For program point L328(lines 328 336) no Hoare annotation was computed. [2021-10-11 02:31:17,121 INFO L258 CegarLoopResult]: At program point L394-2(lines 389 397) the Hoare annotation is: false [2021-10-11 02:31:17,122 INFO L262 CegarLoopResult]: For program point L328-1(lines 328 336) no Hoare annotation was computed. [2021-10-11 02:31:17,122 INFO L262 CegarLoopResult]: For program point L328-2(lines 328 336) no Hoare annotation was computed. [2021-10-11 02:31:17,122 INFO L262 CegarLoopResult]: For program point L196(lines 195 244) no Hoare annotation was computed. [2021-10-11 02:31:17,122 INFO L262 CegarLoopResult]: For program point L197(lines 197 201) no Hoare annotation was computed. [2021-10-11 02:31:17,122 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:31:17,122 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 887) no Hoare annotation was computed. [2021-10-11 02:31:17,122 INFO L262 CegarLoopResult]: For program point L495(lines 495 512) no Hoare annotation was computed. [2021-10-11 02:31:17,122 INFO L258 CegarLoopResult]: At program point L495-1(lines 1 987) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~5)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32)))) (or (and .cse0 (not (= ~systemActive~0 (_ bv0 32))) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse4 .cse3) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse4) (and .cse0 .cse4 .cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))))) [2021-10-11 02:31:17,123 INFO L262 CegarLoopResult]: For program point L495-2(lines 495 512) no Hoare annotation was computed. [2021-10-11 02:31:17,123 INFO L258 CegarLoopResult]: At program point L495-3(lines 1 987) the Hoare annotation is: false [2021-10-11 02:31:17,123 INFO L262 CegarLoopResult]: For program point L495-4(lines 495 512) no Hoare annotation was computed. [2021-10-11 02:31:17,123 INFO L258 CegarLoopResult]: At program point L495-5(lines 1 987) the Hoare annotation is: false [2021-10-11 02:31:17,123 INFO L262 CegarLoopResult]: For program point L132(lines 132 138) no Hoare annotation was computed. [2021-10-11 02:31:17,123 INFO L262 CegarLoopResult]: For program point L132-1(lines 132 138) no Hoare annotation was computed. [2021-10-11 02:31:17,123 INFO L262 CegarLoopResult]: For program point L132-2(lines 132 138) no Hoare annotation was computed. [2021-10-11 02:31:17,123 INFO L262 CegarLoopResult]: For program point L132-3(lines 132 138) no Hoare annotation was computed. [2021-10-11 02:31:17,124 INFO L262 CegarLoopResult]: For program point L132-4(lines 132 138) no Hoare annotation was computed. [2021-10-11 02:31:17,124 INFO L262 CegarLoopResult]: For program point L132-5(lines 132 138) no Hoare annotation was computed. [2021-10-11 02:31:17,124 INFO L262 CegarLoopResult]: For program point L298(lines 298 315) no Hoare annotation was computed. [2021-10-11 02:31:17,124 INFO L262 CegarLoopResult]: For program point L298-1(lines 298 315) no Hoare annotation was computed. [2021-10-11 02:31:17,124 INFO L262 CegarLoopResult]: For program point L298-2(lines 298 315) no Hoare annotation was computed. [2021-10-11 02:31:17,124 INFO L262 CegarLoopResult]: For program point L298-3(lines 298 315) no Hoare annotation was computed. [2021-10-11 02:31:17,124 INFO L262 CegarLoopResult]: For program point L298-4(lines 298 315) no Hoare annotation was computed. [2021-10-11 02:31:17,124 INFO L262 CegarLoopResult]: For program point L298-5(lines 298 315) no Hoare annotation was computed. [2021-10-11 02:31:17,124 INFO L262 CegarLoopResult]: For program point L67(lines 67 71) no Hoare annotation was computed. [2021-10-11 02:31:17,125 INFO L258 CegarLoopResult]: At program point L266(lines 265 284) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse4) (and .cse3 .cse0 .cse1) (and .cse0 .cse4 .cse2))) [2021-10-11 02:31:17,125 INFO L262 CegarLoopResult]: For program point L233(lines 233 239) no Hoare annotation was computed. [2021-10-11 02:31:17,125 INFO L262 CegarLoopResult]: For program point L266-1(lines 266 272) no Hoare annotation was computed. [2021-10-11 02:31:17,125 INFO L258 CegarLoopResult]: At program point L233-1(lines 266 272) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse4) (and .cse3 .cse0 .cse1) (and .cse0 .cse4 .cse2))) [2021-10-11 02:31:17,125 INFO L258 CegarLoopResult]: At program point L266-2(lines 265 284) the Hoare annotation is: false [2021-10-11 02:31:17,125 INFO L258 CegarLoopResult]: At program point L266-3(lines 265 284) the Hoare annotation is: false [2021-10-11 02:31:17,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:31:17 BoogieIcfgContainer [2021-10-11 02:31:17,167 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:31:17,168 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:31:17,168 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:31:17,168 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:31:17,168 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:30:57" (3/4) ... [2021-10-11 02:31:17,171 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:31:17,189 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:31:17,191 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:31:17,192 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:31:17,193 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:31:17,194 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:31:17,196 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:31:17,197 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:31:17,221 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == tmp) && \result == 0bv32) && methaneLevelCritical == 0bv32) || ((((splverifierCounter == 0bv32 && 0bv32 == tmp) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32)) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:31:17,221 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == tmp) && \result == 0bv32) && methaneLevelCritical == 0bv32) || ((((splverifierCounter == 0bv32 && 0bv32 == tmp) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32)) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:31:17,224 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && methaneLevelCritical == 0bv32) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) [2021-10-11 02:31:17,224 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && methaneLevelCritical == 0bv32) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && \result == 1bv32) [2021-10-11 02:31:17,225 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && methaneLevelCritical == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && \result == 1bv32) [2021-10-11 02:31:17,225 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning [2021-10-11 02:31:17,227 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32 [2021-10-11 02:31:17,228 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && \result == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) [2021-10-11 02:31:17,228 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32 [2021-10-11 02:31:17,229 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-11 02:31:17,229 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32 [2021-10-11 02:31:17,230 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32 [2021-10-11 02:31:17,287 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f0860e-05ea-4d58-ae7a-e7660240c9f8/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:31:17,288 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:31:17,289 INFO L168 Benchmark]: Toolchain (without parser) took 22928.86 ms. Allocated memory was 81.8 MB in the beginning and 237.0 MB in the end (delta: 155.2 MB). Free memory was 59.2 MB in the beginning and 118.1 MB in the end (delta: -59.0 MB). Peak memory consumption was 96.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:17,289 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 54.5 MB. Free memory was 35.1 MB in the beginning and 35.0 MB in the end (delta: 75.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:31:17,289 INFO L168 Benchmark]: CACSL2BoogieTranslator took 763.82 ms. Allocated memory is still 81.8 MB. Free memory was 58.9 MB in the beginning and 47.6 MB in the end (delta: 11.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:17,290 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.37 ms. Allocated memory is still 81.8 MB. Free memory was 47.6 MB in the beginning and 43.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:17,290 INFO L168 Benchmark]: Boogie Preprocessor took 63.97 ms. Allocated memory is still 81.8 MB. Free memory was 43.7 MB in the beginning and 63.7 MB in the end (delta: -20.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:17,291 INFO L168 Benchmark]: RCFGBuilder took 2416.01 ms. Allocated memory was 81.8 MB in the beginning and 113.2 MB in the end (delta: 31.5 MB). Free memory was 63.7 MB in the beginning and 75.7 MB in the end (delta: -12.0 MB). Peak memory consumption was 31.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:17,291 INFO L168 Benchmark]: TraceAbstraction took 19474.19 ms. Allocated memory was 113.2 MB in the beginning and 237.0 MB in the end (delta: 123.7 MB). Free memory was 75.7 MB in the beginning and 129.7 MB in the end (delta: -54.0 MB). Peak memory consumption was 128.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:17,291 INFO L168 Benchmark]: Witness Printer took 120.16 ms. Allocated memory is still 237.0 MB. Free memory was 129.7 MB in the beginning and 118.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:17,294 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 54.5 MB. Free memory was 35.1 MB in the beginning and 35.0 MB in the end (delta: 75.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 763.82 ms. Allocated memory is still 81.8 MB. Free memory was 58.9 MB in the beginning and 47.6 MB in the end (delta: 11.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 82.37 ms. Allocated memory is still 81.8 MB. Free memory was 47.6 MB in the beginning and 43.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 63.97 ms. Allocated memory is still 81.8 MB. Free memory was 43.7 MB in the beginning and 63.7 MB in the end (delta: -20.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2416.01 ms. Allocated memory was 81.8 MB in the beginning and 113.2 MB in the end (delta: 31.5 MB). Free memory was 63.7 MB in the beginning and 75.7 MB in the end (delta: -12.0 MB). Peak memory consumption was 31.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 19474.19 ms. Allocated memory was 113.2 MB in the beginning and 237.0 MB in the end (delta: 123.7 MB). Free memory was 75.7 MB in the beginning and 129.7 MB in the end (delta: -54.0 MB). Peak memory consumption was 128.9 MB. Max. memory is 16.1 GB. * Witness Printer took 120.16 ms. Allocated memory is still 237.0 MB. Free memory was 129.7 MB in the beginning and 118.1 MB in the end (delta: 11.5 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: 887]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 887]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 887]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) || ((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32))) || ((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || ((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && methaneLevelCritical == 0bv32) - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) || ((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) || ((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32))) || ((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || ((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && methaneLevelCritical == 0bv32) - InvariantResult [Line: 903]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && \result == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 965]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32 - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && methaneLevelCritical == 0bv32) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && \result == 1bv32) - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == tmp) && \result == 0bv32) && methaneLevelCritical == 0bv32) || ((((splverifierCounter == 0bv32 && 0bv32 == tmp) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32)) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && methaneLevelCritical == 0bv32) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == tmp) && \result == 0bv32) && methaneLevelCritical == 0bv32) || ((((splverifierCounter == 0bv32 && 0bv32 == tmp) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32)) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && methaneLevelCritical == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && \result == 1bv32) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32 - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 975]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) || ((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || ((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && methaneLevelCritical == 0bv32) - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) || ((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32))) || ((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || ((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && methaneLevelCritical == 0bv32) - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 135 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.2s, OverallIterations: 12, TraceHistogramMax: 2, AutomataDifference: 4.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1427 SDtfs, 1758 SDslu, 2442 SDs, 0 SdLazy, 362 SolverSat, 72 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 430 GetRequests, 379 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=401occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 1903 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 57 PreInvPairs, 315 NumberOfFragments, 765 HoareAnnotationTreeSize, 57 FomulaSimplifications, 1293135 FormulaSimplificationTreeSizeReduction, 2.5s HoareSimplificationTime, 57 FomulaSimplificationsInter, 198517 FormulaSimplificationTreeSizeReductionInter, 6.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 398 NumberOfCodeBlocks, 398 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 386 ConstructedInterpolants, 0 QuantifiedInterpolants, 27508 SizeOfPredicates, 23 NumberOfNonLiveVariables, 2577 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 28/28 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...