./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product49.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_ed309ea4-a7b9-401c-ae30-ff571aaf4600/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed309ea4-a7b9-401c-ae30-ff571aaf4600/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_ed309ea4-a7b9-401c-ae30-ff571aaf4600/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed309ea4-a7b9-401c-ae30-ff571aaf4600/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed309ea4-a7b9-401c-ae30-ff571aaf4600/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_ed309ea4-a7b9-401c-ae30-ff571aaf4600/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 1ee24648c2b11ab591f00afa125ad014515f38d4 ............................................................................................................................................ 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_ed309ea4-a7b9-401c-ae30-ff571aaf4600/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed309ea4-a7b9-401c-ae30-ff571aaf4600/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_ed309ea4-a7b9-401c-ae30-ff571aaf4600/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed309ea4-a7b9-401c-ae30-ff571aaf4600/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed309ea4-a7b9-401c-ae30-ff571aaf4600/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_ed309ea4-a7b9-401c-ae30-ff571aaf4600/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 1ee24648c2b11ab591f00afa125ad014515f38d4 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:22:02,791 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:22:02,793 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:22:02,824 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:22:02,825 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:22:02,826 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:22:02,828 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:22:02,830 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:22:02,833 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:22:02,834 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:22:02,836 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:22:02,837 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:22:02,838 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:22:02,839 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:22:02,841 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:22:02,843 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:22:02,844 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:22:02,845 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:22:02,848 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:22:02,850 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:22:02,852 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:22:02,854 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:22:02,856 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:22:02,857 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:22:02,861 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:22:02,861 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:22:02,862 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:22:02,863 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:22:02,864 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:22:02,865 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:22:02,866 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:22:02,867 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:22:02,868 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:22:02,869 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:22:02,871 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:22:02,871 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:22:02,872 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:22:02,873 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:22:02,873 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:22:02,874 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:22:02,875 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:22:02,886 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed309ea4-a7b9-401c-ae30-ff571aaf4600/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:22:02,926 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:22:02,926 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:22:02,927 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:22:02,927 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:22:02,928 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:22:02,928 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:22:02,928 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:22:02,928 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:22:02,928 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:22:02,929 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:22:02,929 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:22:02,929 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:22:02,929 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:22:02,929 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:22:02,930 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:22:02,930 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:22:02,931 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:22:02,931 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:22:02,931 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:22:02,931 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:22:02,932 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:22:02,932 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:22:02,932 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:22:02,932 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:22:02,932 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:22:02,933 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:22:02,933 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:22:02,933 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:22:02,933 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:22:02,934 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:22:02,934 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:22:02,934 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:22:02,934 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:22:02,934 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:22:02,935 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:22:02,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:22:02,935 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:22:02,935 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:22:02,935 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:22:02,936 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_ed309ea4-a7b9-401c-ae30-ff571aaf4600/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed309ea4-a7b9-401c-ae30-ff571aaf4600/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ee24648c2b11ab591f00afa125ad014515f38d4 [2021-10-11 02:22:03,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:22:03,265 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:22:03,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:22:03,269 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:22:03,269 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:22:03,270 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed309ea4-a7b9-401c-ae30-ff571aaf4600/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c [2021-10-11 02:22:03,341 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed309ea4-a7b9-401c-ae30-ff571aaf4600/bin/utaipan-WLngWcDbfI/data/7c15fcf81/7a09a6ba5fdc46bcbbc2335cc9aca978/FLAG28d0dab12 [2021-10-11 02:22:04,048 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:22:04,052 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed309ea4-a7b9-401c-ae30-ff571aaf4600/sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c [2021-10-11 02:22:04,077 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed309ea4-a7b9-401c-ae30-ff571aaf4600/bin/utaipan-WLngWcDbfI/data/7c15fcf81/7a09a6ba5fdc46bcbbc2335cc9aca978/FLAG28d0dab12 [2021-10-11 02:22:04,300 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed309ea4-a7b9-401c-ae30-ff571aaf4600/bin/utaipan-WLngWcDbfI/data/7c15fcf81/7a09a6ba5fdc46bcbbc2335cc9aca978 [2021-10-11 02:22:04,308 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:22:04,309 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:22:04,311 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:22:04,311 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:22:04,315 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:22:04,316 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:22:04" (1/1) ... [2021-10-11 02:22:04,318 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40cecc93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:04, skipping insertion in model container [2021-10-11 02:22:04,319 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:22:04" (1/1) ... [2021-10-11 02:22:04,327 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:22:04,366 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:22:04,670 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_ed309ea4-a7b9-401c-ae30-ff571aaf4600/sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c[18035,18048] [2021-10-11 02:22:04,682 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:22:04,705 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 02:22:04,706 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6550a7f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:04, skipping insertion in model container [2021-10-11 02:22:04,707 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:22:04,708 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:22:04,710 INFO L168 Benchmark]: Toolchain (without parser) took 399.52 ms. Allocated memory is still 98.6 MB. Free memory was 71.0 MB in the beginning and 57.3 MB in the end (delta: 13.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:04,711 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 98.6 MB. Free memory is still 68.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:22:04,712 INFO L168 Benchmark]: CACSL2BoogieTranslator took 396.90 ms. Allocated memory is still 98.6 MB. Free memory was 70.9 MB in the beginning and 57.3 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:04,714 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 98.6 MB. Free memory is still 68.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 396.90 ms. Allocated memory is still 98.6 MB. Free memory was 70.9 MB in the beginning and 57.3 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 590]: 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 02:22:07,063 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:22:07,068 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:22:07,123 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:22:07,123 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:22:07,130 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:22:07,133 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:22:07,140 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:22:07,143 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:22:07,151 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:22:07,153 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:22:07,155 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:22:07,156 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:22:07,159 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:22:07,161 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:22:07,162 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:22:07,164 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:22:07,166 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:22:07,174 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:22:07,179 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:22:07,184 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:22:07,186 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:22:07,189 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:22:07,191 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:22:07,198 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:22:07,198 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:22:07,198 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:22:07,201 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:22:07,201 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:22:07,203 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:22:07,203 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:22:07,204 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:22:07,206 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:22:07,207 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:22:07,208 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:22:07,209 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:22:07,209 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:22:07,210 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:22:07,210 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:22:07,212 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:22:07,213 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:22:07,229 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed309ea4-a7b9-401c-ae30-ff571aaf4600/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:22:07,272 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:22:07,272 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:22:07,274 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:22:07,274 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:22:07,274 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:22:07,275 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:22:07,275 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:22:07,275 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:22:07,275 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:22:07,277 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:22:07,278 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:22:07,278 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:22:07,279 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:22:07,279 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:22:07,279 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:22:07,279 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:22:07,280 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:22:07,280 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:22:07,280 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:22:07,280 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:22:07,280 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:22:07,281 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:22:07,281 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:22:07,281 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:22:07,281 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:22:07,282 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:22:07,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:22:07,282 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:22:07,282 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:22:07,283 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:22:07,283 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:22:07,283 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:22:07,283 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:22:07,284 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:22:07,284 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:22:07,284 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_ed309ea4-a7b9-401c-ae30-ff571aaf4600/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed309ea4-a7b9-401c-ae30-ff571aaf4600/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ee24648c2b11ab591f00afa125ad014515f38d4 [2021-10-11 02:22:07,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:22:07,684 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:22:07,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:22:07,688 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:22:07,689 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:22:07,692 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed309ea4-a7b9-401c-ae30-ff571aaf4600/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c [2021-10-11 02:22:07,771 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed309ea4-a7b9-401c-ae30-ff571aaf4600/bin/utaipan-WLngWcDbfI/data/a1ad2bfc7/1a88ffa8da134af4b2438d6932aff3eb/FLAGc0f8620c5 [2021-10-11 02:22:08,431 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:22:08,432 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed309ea4-a7b9-401c-ae30-ff571aaf4600/sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c [2021-10-11 02:22:08,454 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed309ea4-a7b9-401c-ae30-ff571aaf4600/bin/utaipan-WLngWcDbfI/data/a1ad2bfc7/1a88ffa8da134af4b2438d6932aff3eb/FLAGc0f8620c5 [2021-10-11 02:22:08,723 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed309ea4-a7b9-401c-ae30-ff571aaf4600/bin/utaipan-WLngWcDbfI/data/a1ad2bfc7/1a88ffa8da134af4b2438d6932aff3eb [2021-10-11 02:22:08,725 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:22:08,727 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:22:08,728 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:22:08,728 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:22:08,732 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:22:08,733 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:22:08" (1/1) ... [2021-10-11 02:22:08,735 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1baab517 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:08, skipping insertion in model container [2021-10-11 02:22:08,735 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:22:08" (1/1) ... [2021-10-11 02:22:08,754 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:22:08,816 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:22:09,199 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_ed309ea4-a7b9-401c-ae30-ff571aaf4600/sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c[18035,18048] [2021-10-11 02:22:09,215 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:22:09,241 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:22:09,258 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:22:09,380 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_ed309ea4-a7b9-401c-ae30-ff571aaf4600/sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c[18035,18048] [2021-10-11 02:22:09,390 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:22:09,402 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:22:09,471 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_ed309ea4-a7b9-401c-ae30-ff571aaf4600/sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c[18035,18048] [2021-10-11 02:22:09,473 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:22:09,513 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:22:09,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:09 WrapperNode [2021-10-11 02:22:09,513 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:22:09,515 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:22:09,515 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:22:09,515 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:22:09,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:09" (1/1) ... [2021-10-11 02:22:09,544 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:09" (1/1) ... [2021-10-11 02:22:09,590 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:22:09,591 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:22:09,591 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:22:09,591 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:22:09,600 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:09" (1/1) ... [2021-10-11 02:22:09,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:09" (1/1) ... [2021-10-11 02:22:09,606 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:09" (1/1) ... [2021-10-11 02:22:09,607 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:09" (1/1) ... [2021-10-11 02:22:09,633 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:09" (1/1) ... [2021-10-11 02:22:09,656 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:09" (1/1) ... [2021-10-11 02:22:09,673 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:09" (1/1) ... [2021-10-11 02:22:09,688 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:22:09,689 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:22:09,689 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:22:09,689 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:22:09,690 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:09" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed309ea4-a7b9-401c-ae30-ff571aaf4600/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 02:22:09,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:22:09,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:22:09,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:22:09,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:22:12,223 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:22:12,224 INFO L299 CfgBuilder]: Removed 158 assume(true) statements. [2021-10-11 02:22:12,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:22:12 BoogieIcfgContainer [2021-10-11 02:22:12,226 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:22:12,227 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:22:12,228 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:22:12,231 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:22:12,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:22:08" (1/3) ... [2021-10-11 02:22:12,232 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31c0b92b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:22:12, skipping insertion in model container [2021-10-11 02:22:12,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:09" (2/3) ... [2021-10-11 02:22:12,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31c0b92b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:22:12, skipping insertion in model container [2021-10-11 02:22:12,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:22:12" (3/3) ... [2021-10-11 02:22:12,234 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product49.cil.c [2021-10-11 02:22:12,248 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:22:12,252 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:22:12,263 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:22:12,287 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:22:12,288 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:22:12,288 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:22:12,288 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:22:12,288 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:22:12,289 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:22:12,289 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:22:12,289 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:22:12,304 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states. [2021-10-11 02:22:12,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 02:22:12,311 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:12,311 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 02:22:12,312 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:12,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:12,317 INFO L82 PathProgramCache]: Analyzing trace with hash 682439968, now seen corresponding path program 1 times [2021-10-11 02:22:12,330 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:12,331 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1422583058] [2021-10-11 02:22:12,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed309ea4-a7b9-401c-ae30-ff571aaf4600/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 02:22:12,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:12,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:22:12,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:12,682 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 02:22:12,682 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:12,683 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1422583058] [2021-10-11 02:22:12,684 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:12,684 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:22:12,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503386602] [2021-10-11 02:22:12,691 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:22:12,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:12,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:22:12,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:22:12,709 INFO L87 Difference]: Start difference. First operand 121 states. Second operand 2 states. [2021-10-11 02:22:12,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:12,767 INFO L93 Difference]: Finished difference Result 235 states and 360 transitions. [2021-10-11 02:22:12,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:22:12,772 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 02:22:12,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:12,786 INFO L225 Difference]: With dead ends: 235 [2021-10-11 02:22:12,787 INFO L226 Difference]: Without dead ends: 117 [2021-10-11 02:22:12,791 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 02:22:12,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2021-10-11 02:22:12,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2021-10-11 02:22:12,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2021-10-11 02:22:12,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 172 transitions. [2021-10-11 02:22:12,871 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 172 transitions. Word has length 18 [2021-10-11 02:22:12,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:12,872 INFO L481 AbstractCegarLoop]: Abstraction has 117 states and 172 transitions. [2021-10-11 02:22:12,872 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:22:12,872 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 172 transitions. [2021-10-11 02:22:12,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 02:22:12,874 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:12,874 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 02:22:13,080 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:22:13,080 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:13,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:13,081 INFO L82 PathProgramCache]: Analyzing trace with hash -1011956893, now seen corresponding path program 1 times [2021-10-11 02:22:13,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:13,081 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1392339475] [2021-10-11 02:22:13,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed309ea4-a7b9-401c-ae30-ff571aaf4600/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 02:22:13,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:13,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:22:13,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:13,339 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 02:22:13,339 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:13,339 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1392339475] [2021-10-11 02:22:13,339 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:13,339 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:22:13,340 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013438538] [2021-10-11 02:22:13,341 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:22:13,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:13,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:22:13,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:22:13,342 INFO L87 Difference]: Start difference. First operand 117 states and 172 transitions. Second operand 3 states. [2021-10-11 02:22:13,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:13,355 INFO L93 Difference]: Finished difference Result 117 states and 172 transitions. [2021-10-11 02:22:13,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:22:13,356 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 02:22:13,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:13,357 INFO L225 Difference]: With dead ends: 117 [2021-10-11 02:22:13,357 INFO L226 Difference]: Without dead ends: 49 [2021-10-11 02:22:13,358 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 02:22:13,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-10-11 02:22:13,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-10-11 02:22:13,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2021-10-11 02:22:13,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2021-10-11 02:22:13,363 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2021-10-11 02:22:13,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:13,364 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2021-10-11 02:22:13,364 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:22:13,364 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2021-10-11 02:22:13,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:22:13,365 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:13,365 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 02:22:13,582 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:22:13,582 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:13,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:13,583 INFO L82 PathProgramCache]: Analyzing trace with hash 136399670, now seen corresponding path program 1 times [2021-10-11 02:22:13,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:13,584 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [848218890] [2021-10-11 02:22:13,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed309ea4-a7b9-401c-ae30-ff571aaf4600/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 02:22:13,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:13,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:22:13,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:13,845 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 02:22:13,846 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:13,850 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [848218890] [2021-10-11 02:22:13,851 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:13,851 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:22:13,851 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619006545] [2021-10-11 02:22:13,852 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:22:13,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:13,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:22:13,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:22:13,863 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 3 states. [2021-10-11 02:22:13,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:13,881 INFO L93 Difference]: Finished difference Result 91 states and 135 transitions. [2021-10-11 02:22:13,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:22:13,882 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:22:13,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:13,884 INFO L225 Difference]: With dead ends: 91 [2021-10-11 02:22:13,884 INFO L226 Difference]: Without dead ends: 49 [2021-10-11 02:22:13,885 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 02:22:13,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-10-11 02:22:13,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-10-11 02:22:13,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2021-10-11 02:22:13,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2021-10-11 02:22:13,897 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 24 [2021-10-11 02:22:13,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:13,898 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2021-10-11 02:22:13,898 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:22:13,898 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2021-10-11 02:22:13,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 02:22:13,900 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:13,900 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 02:22:14,124 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:22:14,125 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:14,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:14,125 INFO L82 PathProgramCache]: Analyzing trace with hash 616180244, now seen corresponding path program 1 times [2021-10-11 02:22:14,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:14,127 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1265423677] [2021-10-11 02:22:14,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed309ea4-a7b9-401c-ae30-ff571aaf4600/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 02:22:14,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:14,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:22:14,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:14,392 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 02:22:14,393 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:14,393 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1265423677] [2021-10-11 02:22:14,393 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:14,393 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:22:14,393 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114833504] [2021-10-11 02:22:14,394 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:22:14,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:14,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:22:14,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:22:14,395 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand 3 states. [2021-10-11 02:22:14,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:14,466 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2021-10-11 02:22:14,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:22:14,467 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2021-10-11 02:22:14,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:14,468 INFO L225 Difference]: With dead ends: 113 [2021-10-11 02:22:14,468 INFO L226 Difference]: Without dead ends: 71 [2021-10-11 02:22:14,469 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 02:22:14,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-10-11 02:22:14,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 69. [2021-10-11 02:22:14,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2021-10-11 02:22:14,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 98 transitions. [2021-10-11 02:22:14,492 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 98 transitions. Word has length 26 [2021-10-11 02:22:14,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:14,493 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 98 transitions. [2021-10-11 02:22:14,493 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:22:14,493 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 98 transitions. [2021-10-11 02:22:14,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-11 02:22:14,494 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:14,494 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] [2021-10-11 02:22:14,703 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:22:14,704 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:14,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:14,704 INFO L82 PathProgramCache]: Analyzing trace with hash -604593117, now seen corresponding path program 1 times [2021-10-11 02:22:14,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:14,705 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [602074904] [2021-10-11 02:22:14,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed309ea4-a7b9-401c-ae30-ff571aaf4600/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 02:22:14,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:14,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:22:14,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:14,980 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 02:22:14,980 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:14,980 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [602074904] [2021-10-11 02:22:14,981 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:14,981 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:22:14,981 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026456279] [2021-10-11 02:22:14,982 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:22:14,982 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:14,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:22:14,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:22:14,983 INFO L87 Difference]: Start difference. First operand 69 states and 98 transitions. Second operand 5 states. [2021-10-11 02:22:15,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:15,112 INFO L93 Difference]: Finished difference Result 182 states and 258 transitions. [2021-10-11 02:22:15,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:22:15,112 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2021-10-11 02:22:15,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:15,115 INFO L225 Difference]: With dead ends: 182 [2021-10-11 02:22:15,116 INFO L226 Difference]: Without dead ends: 120 [2021-10-11 02:22:15,117 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 30 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 02:22:15,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2021-10-11 02:22:15,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 75. [2021-10-11 02:22:15,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2021-10-11 02:22:15,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 104 transitions. [2021-10-11 02:22:15,142 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 104 transitions. Word has length 32 [2021-10-11 02:22:15,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:15,143 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 104 transitions. [2021-10-11 02:22:15,143 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:22:15,143 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 104 transitions. [2021-10-11 02:22:15,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-11 02:22:15,144 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:15,144 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] [2021-10-11 02:22:15,344 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:22:15,345 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:15,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:15,345 INFO L82 PathProgramCache]: Analyzing trace with hash 328870592, now seen corresponding path program 1 times [2021-10-11 02:22:15,346 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:15,346 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1489628258] [2021-10-11 02:22:15,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed309ea4-a7b9-401c-ae30-ff571aaf4600/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 02:22:15,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:15,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:22:15,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:15,624 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 02:22:15,624 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:15,625 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1489628258] [2021-10-11 02:22:15,625 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:15,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:22:15,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96034402] [2021-10-11 02:22:15,627 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:22:15,630 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:15,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:22:15,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:22:15,631 INFO L87 Difference]: Start difference. First operand 75 states and 104 transitions. Second operand 5 states. [2021-10-11 02:22:15,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:15,763 INFO L93 Difference]: Finished difference Result 387 states and 547 transitions. [2021-10-11 02:22:15,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 02:22:15,764 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2021-10-11 02:22:15,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:15,766 INFO L225 Difference]: With dead ends: 387 [2021-10-11 02:22:15,767 INFO L226 Difference]: Without dead ends: 319 [2021-10-11 02:22:15,770 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 28 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 02:22:15,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2021-10-11 02:22:15,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 135. [2021-10-11 02:22:15,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2021-10-11 02:22:15,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 186 transitions. [2021-10-11 02:22:15,822 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 186 transitions. Word has length 32 [2021-10-11 02:22:15,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:15,824 INFO L481 AbstractCegarLoop]: Abstraction has 135 states and 186 transitions. [2021-10-11 02:22:15,824 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:22:15,824 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 186 transitions. [2021-10-11 02:22:15,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 02:22:15,828 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:15,828 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] [2021-10-11 02:22:16,040 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2021-10-11 02:22:16,040 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:16,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:16,041 INFO L82 PathProgramCache]: Analyzing trace with hash 328714056, now seen corresponding path program 1 times [2021-10-11 02:22:16,041 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:16,041 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2093714159] [2021-10-11 02:22:16,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed309ea4-a7b9-401c-ae30-ff571aaf4600/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 02:22:16,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:16,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:22:16,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:16,328 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 02:22:16,328 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:16,328 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2093714159] [2021-10-11 02:22:16,329 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:16,329 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:22:16,329 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411018873] [2021-10-11 02:22:16,329 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:22:16,330 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:16,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:22:16,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:22:16,330 INFO L87 Difference]: Start difference. First operand 135 states and 186 transitions. Second operand 5 states. [2021-10-11 02:22:16,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:16,604 INFO L93 Difference]: Finished difference Result 506 states and 701 transitions. [2021-10-11 02:22:16,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 02:22:16,605 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2021-10-11 02:22:16,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:16,608 INFO L225 Difference]: With dead ends: 506 [2021-10-11 02:22:16,608 INFO L226 Difference]: Without dead ends: 378 [2021-10-11 02:22:16,614 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 31 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 02:22:16,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2021-10-11 02:22:16,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 134. [2021-10-11 02:22:16,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2021-10-11 02:22:16,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 183 transitions. [2021-10-11 02:22:16,634 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 183 transitions. Word has length 33 [2021-10-11 02:22:16,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:16,635 INFO L481 AbstractCegarLoop]: Abstraction has 134 states and 183 transitions. [2021-10-11 02:22:16,635 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:22:16,635 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 183 transitions. [2021-10-11 02:22:16,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 02:22:16,636 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:16,636 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] [2021-10-11 02:22:16,853 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2021-10-11 02:22:16,853 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:16,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:16,853 INFO L82 PathProgramCache]: Analyzing trace with hash 96314925, now seen corresponding path program 1 times [2021-10-11 02:22:16,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:16,854 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1663916749] [2021-10-11 02:22:16,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed309ea4-a7b9-401c-ae30-ff571aaf4600/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 02:22:17,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:17,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 02:22:17,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:17,095 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 02:22:17,095 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:17,095 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1663916749] [2021-10-11 02:22:17,096 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:17,096 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:22:17,096 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606888499] [2021-10-11 02:22:17,096 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:22:17,097 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:17,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:22:17,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:22:17,098 INFO L87 Difference]: Start difference. First operand 134 states and 183 transitions. Second operand 4 states. [2021-10-11 02:22:17,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:17,182 INFO L93 Difference]: Finished difference Result 319 states and 433 transitions. [2021-10-11 02:22:17,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:22:17,183 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2021-10-11 02:22:17,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:17,184 INFO L225 Difference]: With dead ends: 319 [2021-10-11 02:22:17,185 INFO L226 Difference]: Without dead ends: 192 [2021-10-11 02:22:17,185 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 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 02:22:17,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2021-10-11 02:22:17,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 142. [2021-10-11 02:22:17,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2021-10-11 02:22:17,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 191 transitions. [2021-10-11 02:22:17,203 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 191 transitions. Word has length 33 [2021-10-11 02:22:17,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:17,204 INFO L481 AbstractCegarLoop]: Abstraction has 142 states and 191 transitions. [2021-10-11 02:22:17,204 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:22:17,204 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 191 transitions. [2021-10-11 02:22:17,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 02:22:17,205 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:17,205 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] [2021-10-11 02:22:17,421 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2021-10-11 02:22:17,421 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:17,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:17,421 INFO L82 PathProgramCache]: Analyzing trace with hash -490491089, now seen corresponding path program 1 times [2021-10-11 02:22:17,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:17,422 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1761375037] [2021-10-11 02:22:17,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed309ea4-a7b9-401c-ae30-ff571aaf4600/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 02:22:17,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:17,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:22:17,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:17,646 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 02:22:17,648 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:17,649 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1761375037] [2021-10-11 02:22:17,649 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:17,649 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:22:17,649 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351553628] [2021-10-11 02:22:17,649 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:22:17,650 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:17,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:22:17,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:22:17,651 INFO L87 Difference]: Start difference. First operand 142 states and 191 transitions. Second operand 3 states. [2021-10-11 02:22:17,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:17,718 INFO L93 Difference]: Finished difference Result 327 states and 439 transitions. [2021-10-11 02:22:17,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:22:17,721 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2021-10-11 02:22:17,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:17,725 INFO L225 Difference]: With dead ends: 327 [2021-10-11 02:22:17,726 INFO L226 Difference]: Without dead ends: 192 [2021-10-11 02:22:17,726 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 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 02:22:17,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2021-10-11 02:22:17,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2021-10-11 02:22:17,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2021-10-11 02:22:17,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 251 transitions. [2021-10-11 02:22:17,763 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 251 transitions. Word has length 33 [2021-10-11 02:22:17,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:17,764 INFO L481 AbstractCegarLoop]: Abstraction has 192 states and 251 transitions. [2021-10-11 02:22:17,764 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:22:17,764 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 251 transitions. [2021-10-11 02:22:17,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 02:22:17,767 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:17,767 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] [2021-10-11 02:22:17,980 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2021-10-11 02:22:17,980 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:17,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:17,980 INFO L82 PathProgramCache]: Analyzing trace with hash 1404141039, now seen corresponding path program 1 times [2021-10-11 02:22:17,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:17,981 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1048057650] [2021-10-11 02:22:17,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed309ea4-a7b9-401c-ae30-ff571aaf4600/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 02:22:18,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:18,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:22:18,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:18,219 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 02:22:18,219 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:18,219 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1048057650] [2021-10-11 02:22:18,219 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:18,219 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:22:18,220 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594798129] [2021-10-11 02:22:18,220 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:22:18,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:18,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:22:18,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:22:18,221 INFO L87 Difference]: Start difference. First operand 192 states and 251 transitions. Second operand 3 states. [2021-10-11 02:22:18,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:18,277 INFO L93 Difference]: Finished difference Result 295 states and 389 transitions. [2021-10-11 02:22:18,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:22:18,278 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2021-10-11 02:22:18,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:18,280 INFO L225 Difference]: With dead ends: 295 [2021-10-11 02:22:18,280 INFO L226 Difference]: Without dead ends: 293 [2021-10-11 02:22:18,281 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 32 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 02:22:18,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2021-10-11 02:22:18,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 234. [2021-10-11 02:22:18,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2021-10-11 02:22:18,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 313 transitions. [2021-10-11 02:22:18,308 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 313 transitions. Word has length 34 [2021-10-11 02:22:18,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:18,308 INFO L481 AbstractCegarLoop]: Abstraction has 234 states and 313 transitions. [2021-10-11 02:22:18,308 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:22:18,309 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 313 transitions. [2021-10-11 02:22:18,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-11 02:22:18,309 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:18,310 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:22:18,525 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2021-10-11 02:22:18,525 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:18,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:18,525 INFO L82 PathProgramCache]: Analyzing trace with hash 1385466613, now seen corresponding path program 1 times [2021-10-11 02:22:18,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:18,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [178478583] [2021-10-11 02:22:18,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed309ea4-a7b9-401c-ae30-ff571aaf4600/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 02:22:18,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:18,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:22:18,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:18,803 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:22:18,804 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:18,804 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [178478583] [2021-10-11 02:22:18,804 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:18,804 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:22:18,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110792123] [2021-10-11 02:22:18,805 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:22:18,805 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:18,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:22:18,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:22:18,806 INFO L87 Difference]: Start difference. First operand 234 states and 313 transitions. Second operand 3 states. [2021-10-11 02:22:20,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:20,383 INFO L93 Difference]: Finished difference Result 374 states and 510 transitions. [2021-10-11 02:22:20,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:22:20,384 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2021-10-11 02:22:20,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:20,386 INFO L225 Difference]: With dead ends: 374 [2021-10-11 02:22:20,386 INFO L226 Difference]: Without dead ends: 197 [2021-10-11 02:22:20,387 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 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 02:22:20,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2021-10-11 02:22:20,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2021-10-11 02:22:20,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2021-10-11 02:22:20,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 255 transitions. [2021-10-11 02:22:20,411 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 255 transitions. Word has length 58 [2021-10-11 02:22:20,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:20,412 INFO L481 AbstractCegarLoop]: Abstraction has 197 states and 255 transitions. [2021-10-11 02:22:20,412 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:22:20,412 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 255 transitions. [2021-10-11 02:22:20,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-11 02:22:20,413 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:20,413 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:22:20,631 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2021-10-11 02:22:20,631 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:20,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:20,632 INFO L82 PathProgramCache]: Analyzing trace with hash 1874884889, now seen corresponding path program 1 times [2021-10-11 02:22:20,632 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:20,632 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [825125767] [2021-10-11 02:22:20,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed309ea4-a7b9-401c-ae30-ff571aaf4600/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 02:22:20,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:20,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:22:20,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:20,916 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-11 02:22:20,916 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:20,917 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [825125767] [2021-10-11 02:22:20,917 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:20,917 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:22:20,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756415767] [2021-10-11 02:22:20,917 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:22:20,918 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:20,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:22:20,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:22:20,918 INFO L87 Difference]: Start difference. First operand 197 states and 255 transitions. Second operand 5 states. [2021-10-11 02:22:21,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:21,021 INFO L93 Difference]: Finished difference Result 494 states and 655 transitions. [2021-10-11 02:22:21,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:22:21,022 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2021-10-11 02:22:21,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:21,024 INFO L225 Difference]: With dead ends: 494 [2021-10-11 02:22:21,024 INFO L226 Difference]: Without dead ends: 354 [2021-10-11 02:22:21,025 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 56 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 02:22:21,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2021-10-11 02:22:21,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 203. [2021-10-11 02:22:21,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2021-10-11 02:22:21,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 261 transitions. [2021-10-11 02:22:21,071 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 261 transitions. Word has length 58 [2021-10-11 02:22:21,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:21,072 INFO L481 AbstractCegarLoop]: Abstraction has 203 states and 261 transitions. [2021-10-11 02:22:21,072 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:22:21,072 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 261 transitions. [2021-10-11 02:22:21,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-11 02:22:21,072 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:21,072 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:22:21,273 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3 [2021-10-11 02:22:21,273 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:21,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:21,273 INFO L82 PathProgramCache]: Analyzing trace with hash 1616719451, now seen corresponding path program 1 times [2021-10-11 02:22:21,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:21,274 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1771179910] [2021-10-11 02:22:21,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed309ea4-a7b9-401c-ae30-ff571aaf4600/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 14 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with mathsat -unsat_core_generation=3 [2021-10-11 02:22:21,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:21,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:22:21,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:21,570 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:22:21,570 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:22:21,614 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2021-10-11 02:22:21,615 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2021-10-11 02:22:21,700 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:22:21,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1771179910] [2021-10-11 02:22:21,701 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2061608864] [2021-10-11 02:22:21,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed309ea4-a7b9-401c-ae30-ff571aaf4600/bin/utaipan-WLngWcDbfI/cvc4 Starting monitored process 15 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with cvc4 --incremental --print-success --lang smt [2021-10-11 02:22:22,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:22,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-11 02:22:22,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:22,129 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:22:22,130 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:22:22,154 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2021-10-11 02:22:22,154 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2021-10-11 02:22:22,202 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:22:22,203 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [668174415] [2021-10-11 02:22:22,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed309ea4-a7b9-401c-ae30-ff571aaf4600/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:22:22,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:22,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:22:22,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:22,428 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:22:22,428 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:22:22,460 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2021-10-11 02:22:22,460 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2021-10-11 02:22:22,513 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:22:22,513 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-11 02:22:22,513 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 7 [2021-10-11 02:22:22,514 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511720180] [2021-10-11 02:22:22,514 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-10-11 02:22:22,515 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:22,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-11 02:22:22,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-11 02:22:22,516 INFO L87 Difference]: Start difference. First operand 203 states and 261 transitions. Second operand 8 states. [2021-10-11 02:22:24,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:24,064 INFO L93 Difference]: Finished difference Result 485 states and 640 transitions. [2021-10-11 02:22:24,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 02:22:24,065 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2021-10-11 02:22:24,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:24,066 INFO L225 Difference]: With dead ends: 485 [2021-10-11 02:22:24,066 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:22:24,067 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 335 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-10-11 02:22:24,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:22:24,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:22:24,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:22:24,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:22:24,068 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2021-10-11 02:22:24,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:24,069 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:22:24,069 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-10-11 02:22:24,069 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:22:24,069 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:22:24,686 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,14 mathsat -unsat_core_generation=3,15 cvc4 --incremental --print-success --lang smt [2021-10-11 02:22:24,687 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:22:24,932 WARN L197 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 78 [2021-10-11 02:22:25,337 WARN L197 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 89 [2021-10-11 02:22:25,540 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 84 [2021-10-11 02:22:25,666 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 79 [2021-10-11 02:22:25,786 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 86 [2021-10-11 02:22:26,298 WARN L197 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 33 [2021-10-11 02:22:26,403 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 24 [2021-10-11 02:22:26,814 WARN L197 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 25 [2021-10-11 02:22:27,193 WARN L197 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 25 [2021-10-11 02:22:27,647 WARN L197 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 34 [2021-10-11 02:22:27,821 WARN L197 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 29 [2021-10-11 02:22:28,070 WARN L197 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 31 [2021-10-11 02:22:28,450 WARN L197 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 33 [2021-10-11 02:22:28,712 WARN L197 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 24 [2021-10-11 02:22:29,083 WARN L197 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 33 [2021-10-11 02:22:29,089 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 932) no Hoare annotation was computed. [2021-10-11 02:22:29,089 INFO L262 CegarLoopResult]: For program point L532(lines 532 536) no Hoare annotation was computed. [2021-10-11 02:22:29,090 INFO L262 CegarLoopResult]: For program point L532-2(lines 532 536) no Hoare annotation was computed. [2021-10-11 02:22:29,090 INFO L262 CegarLoopResult]: For program point L532-3(lines 532 536) no Hoare annotation was computed. [2021-10-11 02:22:29,090 INFO L262 CegarLoopResult]: For program point L532-5(lines 532 536) no Hoare annotation was computed. [2021-10-11 02:22:29,090 INFO L262 CegarLoopResult]: For program point L532-6(lines 532 536) no Hoare annotation was computed. [2021-10-11 02:22:29,090 INFO L262 CegarLoopResult]: For program point L532-8(lines 532 536) no Hoare annotation was computed. [2021-10-11 02:22:29,090 INFO L262 CegarLoopResult]: For program point L532-9(lines 532 536) no Hoare annotation was computed. [2021-10-11 02:22:29,090 INFO L262 CegarLoopResult]: For program point L532-11(lines 532 536) no Hoare annotation was computed. [2021-10-11 02:22:29,090 INFO L262 CegarLoopResult]: For program point L532-12(lines 532 536) no Hoare annotation was computed. [2021-10-11 02:22:29,090 INFO L262 CegarLoopResult]: For program point L532-14(lines 532 536) no Hoare annotation was computed. [2021-10-11 02:22:29,091 INFO L262 CegarLoopResult]: For program point L532-15(lines 532 536) no Hoare annotation was computed. [2021-10-11 02:22:29,091 INFO L262 CegarLoopResult]: For program point L532-17(lines 532 536) no Hoare annotation was computed. [2021-10-11 02:22:29,091 INFO L262 CegarLoopResult]: For program point L434(lines 434 442) no Hoare annotation was computed. [2021-10-11 02:22:29,091 INFO L262 CegarLoopResult]: For program point L434-1(lines 434 442) no Hoare annotation was computed. [2021-10-11 02:22:29,091 INFO L262 CegarLoopResult]: For program point L434-2(lines 434 442) no Hoare annotation was computed. [2021-10-11 02:22:29,091 INFO L262 CegarLoopResult]: For program point L237(lines 237 243) no Hoare annotation was computed. [2021-10-11 02:22:29,091 INFO L262 CegarLoopResult]: For program point L237-1(lines 237 243) no Hoare annotation was computed. [2021-10-11 02:22:29,091 INFO L262 CegarLoopResult]: For program point L237-2(lines 237 243) no Hoare annotation was computed. [2021-10-11 02:22:29,091 INFO L262 CegarLoopResult]: For program point L237-3(lines 237 243) no Hoare annotation was computed. [2021-10-11 02:22:29,091 INFO L258 CegarLoopResult]: At program point L105(lines 101 107) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:22:29,092 INFO L262 CegarLoopResult]: For program point L237-4(lines 237 243) no Hoare annotation was computed. [2021-10-11 02:22:29,092 INFO L262 CegarLoopResult]: For program point L237-5(lines 237 243) no Hoare annotation was computed. [2021-10-11 02:22:29,092 INFO L262 CegarLoopResult]: For program point L172(lines 172 176) no Hoare annotation was computed. [2021-10-11 02:22:29,092 INFO L262 CegarLoopResult]: For program point L932(line 932) no Hoare annotation was computed. [2021-10-11 02:22:29,092 INFO L262 CegarLoopResult]: For program point L932-1(line 932) no Hoare annotation was computed. [2021-10-11 02:22:29,092 INFO L262 CegarLoopResult]: For program point L932-2(line 932) no Hoare annotation was computed. [2021-10-11 02:22:29,092 INFO L262 CegarLoopResult]: For program point L404(lines 404 421) no Hoare annotation was computed. [2021-10-11 02:22:29,092 INFO L262 CegarLoopResult]: For program point L404-1(lines 404 421) no Hoare annotation was computed. [2021-10-11 02:22:29,092 INFO L262 CegarLoopResult]: For program point L338(lines 338 349) no Hoare annotation was computed. [2021-10-11 02:22:29,092 INFO L262 CegarLoopResult]: For program point L404-2(lines 404 421) no Hoare annotation was computed. [2021-10-11 02:22:29,093 INFO L262 CegarLoopResult]: For program point L404-3(lines 404 421) no Hoare annotation was computed. [2021-10-11 02:22:29,093 INFO L262 CegarLoopResult]: For program point L404-4(lines 404 421) no Hoare annotation was computed. [2021-10-11 02:22:29,094 INFO L262 CegarLoopResult]: For program point L404-5(lines 404 421) no Hoare annotation was computed. [2021-10-11 02:22:29,095 INFO L258 CegarLoopResult]: At program point L372(lines 371 390) the Hoare annotation is: (let ((.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= ULTIMATE.start_isLowWaterLevel_~tmp~6 (_ bv0 32)) .cse1 .cse2 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse5 .cse4) (and .cse0 .cse1 (= (_ bv1 32) ~pumpRunning~0) .cse4) (and .cse0 .cse6 .cse2 .cse3 .cse4) (and .cse0 .cse6 .cse2 .cse5 .cse4))) [2021-10-11 02:22:29,095 INFO L262 CegarLoopResult]: For program point L372-1(lines 372 378) no Hoare annotation was computed. [2021-10-11 02:22:29,095 INFO L258 CegarLoopResult]: At program point L372-2(lines 371 390) the Hoare annotation is: false [2021-10-11 02:22:29,095 INFO L258 CegarLoopResult]: At program point L372-3(lines 371 390) the Hoare annotation is: false [2021-10-11 02:22:29,095 INFO L258 CegarLoopResult]: At program point L967(lines 962 970) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:22:29,096 INFO L258 CegarLoopResult]: At program point L538(lines 523 541) the Hoare annotation is: false [2021-10-11 02:22:29,096 INFO L258 CegarLoopResult]: At program point L538-1(lines 523 541) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv0 32))) (.cse6 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse7 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (= ULTIMATE.start_isLowWaterLevel_~tmp~6 (_ bv0 32)) .cse6 .cse3 .cse4 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) .cse5) (and .cse0 .cse1 .cse6 .cse3 .cse4 .cse7 .cse5) (and .cse1 .cse2 .cse3 .cse7 .cse5) (and .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse5))) [2021-10-11 02:22:29,096 INFO L258 CegarLoopResult]: At program point L538-2(lines 523 541) the Hoare annotation is: false [2021-10-11 02:22:29,096 INFO L258 CegarLoopResult]: At program point L538-3(lines 523 541) the Hoare annotation is: false [2021-10-11 02:22:29,096 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 932) no Hoare annotation was computed. [2021-10-11 02:22:29,097 INFO L258 CegarLoopResult]: At program point L538-4(lines 523 541) the Hoare annotation is: false [2021-10-11 02:22:29,097 INFO L258 CegarLoopResult]: At program point L538-5(lines 523 541) the Hoare annotation is: false [2021-10-11 02:22:29,097 INFO L258 CegarLoopResult]: At program point L242(lines 233 246) the Hoare annotation is: false [2021-10-11 02:22:29,097 INFO L258 CegarLoopResult]: At program point L242-1(lines 233 246) the Hoare annotation is: (let ((.cse1 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse5 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 (= ULTIMATE.start_isLowWaterLevel_~tmp~6 (_ bv0 32)) .cse2 .cse3 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse5 .cse4) (and .cse0 .cse6 .cse3 .cse5 .cse4) (and .cse0 .cse6 .cse3 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse4))) [2021-10-11 02:22:29,097 INFO L258 CegarLoopResult]: At program point L242-2(lines 233 246) the Hoare annotation is: false [2021-10-11 02:22:29,097 INFO L258 CegarLoopResult]: At program point L242-3(lines 233 246) the Hoare annotation is: false [2021-10-11 02:22:29,098 INFO L265 CegarLoopResult]: At program point L143(lines 124 146) the Hoare annotation is: true [2021-10-11 02:22:29,098 INFO L258 CegarLoopResult]: At program point L242-4(lines 233 246) the Hoare annotation is: false [2021-10-11 02:22:29,098 INFO L258 CegarLoopResult]: At program point L242-5(lines 233 246) the Hoare annotation is: false [2021-10-11 02:22:29,098 INFO L262 CegarLoopResult]: For program point L408(lines 408 416) no Hoare annotation was computed. [2021-10-11 02:22:29,098 INFO L262 CegarLoopResult]: For program point L408-1(lines 408 416) no Hoare annotation was computed. [2021-10-11 02:22:29,098 INFO L262 CegarLoopResult]: For program point L408-2(lines 408 416) no Hoare annotation was computed. [2021-10-11 02:22:29,098 INFO L262 CegarLoopResult]: For program point L309(lines 308 353) no Hoare annotation was computed. [2021-10-11 02:22:29,098 INFO L262 CegarLoopResult]: For program point L408-3(lines 408 416) no Hoare annotation was computed. [2021-10-11 02:22:29,099 INFO L262 CegarLoopResult]: For program point L276(lines 276 293) no Hoare annotation was computed. [2021-10-11 02:22:29,099 INFO L262 CegarLoopResult]: For program point L408-4(lines 408 416) no Hoare annotation was computed. [2021-10-11 02:22:29,099 INFO L258 CegarLoopResult]: At program point L276-1(lines 1 970) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2 .cse3) (and .cse0 .cse4 (= (_ bv1 32) ~pumpRunning~0) .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse3))) [2021-10-11 02:22:29,099 INFO L262 CegarLoopResult]: For program point L408-5(lines 408 416) no Hoare annotation was computed. [2021-10-11 02:22:29,099 INFO L262 CegarLoopResult]: For program point L276-2(lines 276 293) no Hoare annotation was computed. [2021-10-11 02:22:29,099 INFO L258 CegarLoopResult]: At program point L276-3(lines 1 970) the Hoare annotation is: false [2021-10-11 02:22:29,100 INFO L262 CegarLoopResult]: For program point L276-4(lines 276 293) no Hoare annotation was computed. [2021-10-11 02:22:29,100 INFO L258 CegarLoopResult]: At program point L276-5(lines 1 970) the Hoare annotation is: false [2021-10-11 02:22:29,100 INFO L262 CegarLoopResult]: For program point L310(lines 310 314) no Hoare annotation was computed. [2021-10-11 02:22:29,100 INFO L262 CegarLoopResult]: For program point L344(lines 344 348) no Hoare annotation was computed. [2021-10-11 02:22:29,100 INFO L262 CegarLoopResult]: For program point L344-2(lines 372 378) no Hoare annotation was computed. [2021-10-11 02:22:29,100 INFO L258 CegarLoopResult]: At program point L379(lines 379 385) the Hoare annotation is: (let ((.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse6 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= ULTIMATE.start_isLowWaterLevel_~tmp~6 (_ bv0 32)) .cse1 .cse2 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) .cse3) (and .cse0 .cse1 .cse2 .cse4 .cse3) (and .cse0 .cse5 .cse6 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3) (and .cse0 .cse5 .cse6 .cse4 .cse3) (and .cse0 .cse5 .cse2 .cse3))) [2021-10-11 02:22:29,100 INFO L258 CegarLoopResult]: At program point L379-1(lines 379 385) the Hoare annotation is: false [2021-10-11 02:22:29,101 INFO L258 CegarLoopResult]: At program point L379-2(lines 379 385) the Hoare annotation is: false [2021-10-11 02:22:29,101 INFO L262 CegarLoopResult]: For program point L280(lines 280 290) no Hoare annotation was computed. [2021-10-11 02:22:29,101 INFO L262 CegarLoopResult]: For program point L280-2(lines 280 290) no Hoare annotation was computed. [2021-10-11 02:22:29,101 INFO L262 CegarLoopResult]: For program point L280-4(lines 280 290) no Hoare annotation was computed. [2021-10-11 02:22:29,101 INFO L262 CegarLoopResult]: For program point L281(lines 281 287) no Hoare annotation was computed. [2021-10-11 02:22:29,101 INFO L262 CegarLoopResult]: For program point L281-2(lines 281 287) no Hoare annotation was computed. [2021-10-11 02:22:29,101 INFO L262 CegarLoopResult]: For program point L281-4(lines 281 287) no Hoare annotation was computed. [2021-10-11 02:22:29,101 INFO L262 CegarLoopResult]: For program point L184(lines 184 188) no Hoare annotation was computed. [2021-10-11 02:22:29,102 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:22:29,102 INFO L258 CegarLoopResult]: At program point L483(lines 478 486) the Hoare annotation is: (let ((.cse5 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= ULTIMATE.start_isLowWaterLevel_~tmp~6 (_ bv0 32)) .cse1 .cse2 .cse3 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) .cse4) (and .cse0 .cse5 .cse1 .cse3 .cse4) (and .cse0 .cse5 (= (_ bv1 32) ~pumpRunning~0) .cse6 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse6 .cse4))) [2021-10-11 02:22:29,102 INFO L258 CegarLoopResult]: At program point L483-1(lines 478 486) the Hoare annotation is: false [2021-10-11 02:22:29,102 INFO L258 CegarLoopResult]: At program point L483-2(lines 478 486) the Hoare annotation is: false [2021-10-11 02:22:29,102 INFO L262 CegarLoopResult]: For program point L318(lines 318 324) no Hoare annotation was computed. [2021-10-11 02:22:29,103 INFO L258 CegarLoopResult]: At program point L318-1(lines 318 324) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2 .cse3) (and .cse0 .cse4 (= (_ bv1 32) ~pumpRunning~0) .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse3))) [2021-10-11 02:22:29,103 INFO L258 CegarLoopResult]: At program point L252(lines 247 255) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:22:29,103 INFO L258 CegarLoopResult]: At program point L252-1(lines 247 255) the Hoare annotation is: false [2021-10-11 02:22:29,103 INFO L258 CegarLoopResult]: At program point L252-2(lines 247 255) the Hoare annotation is: false [2021-10-11 02:22:29,103 INFO L258 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2021-10-11 02:22:29,103 INFO L262 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2021-10-11 02:22:29,103 INFO L262 CegarLoopResult]: For program point L551(lines 551 555) no Hoare annotation was computed. [2021-10-11 02:22:29,104 INFO L262 CegarLoopResult]: For program point L551-2(lines 551 555) no Hoare annotation was computed. [2021-10-11 02:22:29,104 INFO L262 CegarLoopResult]: For program point L551-3(lines 551 555) no Hoare annotation was computed. [2021-10-11 02:22:29,104 INFO L262 CegarLoopResult]: For program point L551-5(lines 551 555) no Hoare annotation was computed. [2021-10-11 02:22:29,104 INFO L262 CegarLoopResult]: For program point L551-6(lines 551 555) no Hoare annotation was computed. [2021-10-11 02:22:29,104 INFO L262 CegarLoopResult]: For program point L551-8(lines 551 555) no Hoare annotation was computed. [2021-10-11 02:22:29,104 INFO L258 CegarLoopResult]: At program point L354(lines 307 355) the Hoare annotation is: false [2021-10-11 02:22:29,104 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:22:29,104 INFO L262 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2021-10-11 02:22:29,105 INFO L262 CegarLoopResult]: For program point L58-1(lines 372 378) no Hoare annotation was computed. [2021-10-11 02:22:29,105 INFO L262 CegarLoopResult]: For program point L160(lines 160 164) no Hoare annotation was computed. [2021-10-11 02:22:29,105 INFO L262 CegarLoopResult]: For program point L160-3(lines 160 164) no Hoare annotation was computed. [2021-10-11 02:22:29,105 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:22:29,105 INFO L262 CegarLoopResult]: For program point L160-6(lines 160 164) no Hoare annotation was computed. [2021-10-11 02:22:29,105 INFO L258 CegarLoopResult]: At program point L557(lines 542 560) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp~6 (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~3 (_ bv4294967295 32))) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:22:29,105 INFO L258 CegarLoopResult]: At program point L557-1(lines 542 560) the Hoare annotation is: false [2021-10-11 02:22:29,106 INFO L258 CegarLoopResult]: At program point L557-2(lines 542 560) the Hoare annotation is: false [2021-10-11 02:22:29,106 INFO L262 CegarLoopResult]: For program point L328(lines 328 334) no Hoare annotation was computed. [2021-10-11 02:22:29,106 INFO L258 CegarLoopResult]: At program point L328-1(lines 328 334) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2 .cse3) (and .cse0 .cse4 (= (_ bv1 32) ~pumpRunning~0) .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse3))) [2021-10-11 02:22:29,106 INFO L258 CegarLoopResult]: At program point L197(lines 192 200) the Hoare annotation is: (let ((.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse6 (= (_ bv1 32) ~pumpRunning~0)) (.cse3 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (= ULTIMATE.start_isLowWaterLevel_~tmp~6 (_ bv0 32)) .cse1 .cse2 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) .cse4) (and .cse0 .cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse6 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse4) (and .cse0 .cse5 .cse6 .cse3 .cse4) (and .cse0 .cse5 .cse2 .cse4))) [2021-10-11 02:22:29,106 INFO L258 CegarLoopResult]: At program point L197-1(lines 192 200) the Hoare annotation is: false [2021-10-11 02:22:29,106 INFO L258 CegarLoopResult]: At program point L197-2(lines 192 200) the Hoare annotation is: false [2021-10-11 02:22:29,107 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:22:29,107 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 932) no Hoare annotation was computed. [2021-10-11 02:22:29,107 INFO L262 CegarLoopResult]: For program point L430(lines 430 447) no Hoare annotation was computed. [2021-10-11 02:22:29,107 INFO L262 CegarLoopResult]: For program point L430-1(lines 430 447) no Hoare annotation was computed. [2021-10-11 02:22:29,107 INFO L262 CegarLoopResult]: For program point L430-2(lines 430 447) no Hoare annotation was computed. [2021-10-11 02:22:29,107 INFO L258 CegarLoopResult]: At program point L265(lines 260 267) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:22:29,107 INFO L258 CegarLoopResult]: At program point L959(lines 1 970) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:22:29,108 INFO L262 CegarLoopResult]: For program point L134(lines 134 141) no Hoare annotation was computed. [2021-10-11 02:22:29,108 INFO L265 CegarLoopResult]: At program point L134-1(lines 134 141) the Hoare annotation is: true [2021-10-11 02:22:29,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:22:29 BoogieIcfgContainer [2021-10-11 02:22:29,140 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:22:29,141 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:22:29,141 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:22:29,141 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:22:29,141 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:22:12" (3/4) ... [2021-10-11 02:22:29,145 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:22:29,165 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:22:29,185 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:22:29,186 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:22:29,187 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:22:29,188 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:22:29,189 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:22:29,190 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:22:29,221 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0bv32 && tmp == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:22:29,221 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && tmp == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:22:29,223 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((splverifierCounter == 0bv32 && tmp == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:22:29,224 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2021-10-11 02:22:29,225 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && tmp == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:22:29,225 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && tmp == 0bv32) && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:22:29,229 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && tmp == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32 [2021-10-11 02:22:29,232 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp___0 == 0bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((((tmp___0 == 0bv32 && splverifierCounter == 0bv32) && tmp == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((((tmp___0 == 0bv32 && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:22:29,299 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed309ea4-a7b9-401c-ae30-ff571aaf4600/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:22:29,299 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:22:29,300 INFO L168 Benchmark]: Toolchain (without parser) took 20572.79 ms. Allocated memory was 69.2 MB in the beginning and 130.0 MB in the end (delta: 60.8 MB). Free memory was 48.5 MB in the beginning and 97.4 MB in the end (delta: -48.9 MB). Peak memory consumption was 80.0 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:29,300 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 69.2 MB. Free memory is still 49.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:22:29,301 INFO L168 Benchmark]: CACSL2BoogieTranslator took 785.81 ms. Allocated memory is still 69.2 MB. Free memory was 48.3 MB in the beginning and 36.2 MB in the end (delta: 12.1 MB). Peak memory consumption was 16.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:29,301 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.28 ms. Allocated memory is still 69.2 MB. Free memory was 35.9 MB in the beginning and 32.4 MB in the end (delta: 3.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:29,301 INFO L168 Benchmark]: Boogie Preprocessor took 97.41 ms. Allocated memory is still 69.2 MB. Free memory was 32.4 MB in the beginning and 51.0 MB in the end (delta: -18.6 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:29,302 INFO L168 Benchmark]: RCFGBuilder took 2537.30 ms. Allocated memory was 69.2 MB in the beginning and 88.1 MB in the end (delta: 18.9 MB). Free memory was 51.0 MB in the beginning and 54.1 MB in the end (delta: -3.1 MB). Peak memory consumption was 35.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:29,302 INFO L168 Benchmark]: TraceAbstraction took 16912.66 ms. Allocated memory was 88.1 MB in the beginning and 130.0 MB in the end (delta: 41.9 MB). Free memory was 53.8 MB in the beginning and 35.0 MB in the end (delta: 18.8 MB). Peak memory consumption was 66.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:29,303 INFO L168 Benchmark]: Witness Printer took 158.32 ms. Allocated memory is still 130.0 MB. Free memory was 35.0 MB in the beginning and 97.4 MB in the end (delta: -62.3 MB). Peak memory consumption was 2.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:29,305 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 69.2 MB. Free memory is still 49.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 785.81 ms. Allocated memory is still 69.2 MB. Free memory was 48.3 MB in the beginning and 36.2 MB in the end (delta: 12.1 MB). Peak memory consumption was 16.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 75.28 ms. Allocated memory is still 69.2 MB. Free memory was 35.9 MB in the beginning and 32.4 MB in the end (delta: 3.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 97.41 ms. Allocated memory is still 69.2 MB. Free memory was 32.4 MB in the beginning and 51.0 MB in the end (delta: -18.6 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2537.30 ms. Allocated memory was 69.2 MB in the beginning and 88.1 MB in the end (delta: 18.9 MB). Free memory was 51.0 MB in the beginning and 54.1 MB in the end (delta: -3.1 MB). Peak memory consumption was 35.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 16912.66 ms. Allocated memory was 88.1 MB in the beginning and 130.0 MB in the end (delta: 41.9 MB). Free memory was 53.8 MB in the beginning and 35.0 MB in the end (delta: 18.8 MB). Peak memory consumption was 66.5 MB. Max. memory is 16.1 GB. * Witness Printer took 158.32 ms. Allocated memory is still 130.0 MB. Free memory was 35.0 MB in the beginning and 97.4 MB in the end (delta: -62.3 MB). Peak memory consumption was 2.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 932]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 932]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 932]: 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: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((splverifierCounter == 0bv32 && tmp == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && tmp == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: ((((((((tmp___0 == 0bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((((tmp___0 == 0bv32 && splverifierCounter == 0bv32) && tmp == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((((tmp___0 == 0bv32 && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && tmp == 0bv32) && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && tmp == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0bv32 && tmp == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && tmp == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 121 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.4s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 4.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1243 SDtfs, 1335 SDslu, 1699 SDs, 0 SdLazy, 211 SolverSat, 45 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 753 GetRequests, 710 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=234occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 735 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 156 NumberOfFragments, 901 HoareAnnotationTreeSize, 43 FomulaSimplifications, 161018 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 43 FomulaSimplificationsInter, 22857 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 574 NumberOfCodeBlocks, 574 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 730 ConstructedInterpolants, 0 QuantifiedInterpolants, 99484 SizeOfPredicates, 27 NumberOfNonLiveVariables, 3312 ConjunctsInSsa, 60 ConjunctsInUnsatCore, 18 InterpolantComputations, 12 PerfectInterpolantSequences, 107/143 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...