./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product59.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_b004aae0-9861-4a2f-aa01-a2a6fe33ee7e/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b004aae0-9861-4a2f-aa01-a2a6fe33ee7e/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_b004aae0-9861-4a2f-aa01-a2a6fe33ee7e/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b004aae0-9861-4a2f-aa01-a2a6fe33ee7e/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b004aae0-9861-4a2f-aa01-a2a6fe33ee7e/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_b004aae0-9861-4a2f-aa01-a2a6fe33ee7e/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 118c87a61fbb1df2cb9a671e761c9c9d71205fb6 ........................................................................................................................................... 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_b004aae0-9861-4a2f-aa01-a2a6fe33ee7e/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b004aae0-9861-4a2f-aa01-a2a6fe33ee7e/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_b004aae0-9861-4a2f-aa01-a2a6fe33ee7e/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b004aae0-9861-4a2f-aa01-a2a6fe33ee7e/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b004aae0-9861-4a2f-aa01-a2a6fe33ee7e/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_b004aae0-9861-4a2f-aa01-a2a6fe33ee7e/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 118c87a61fbb1df2cb9a671e761c9c9d71205fb6 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:28:27,820 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:28:27,822 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:28:27,875 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:28:27,876 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:28:27,877 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:28:27,879 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:28:27,882 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:28:27,885 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:28:27,886 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:28:27,888 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:28:27,889 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:28:27,890 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:28:27,892 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:28:27,893 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:28:27,895 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:28:27,896 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:28:27,898 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:28:27,901 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:28:27,904 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:28:27,906 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:28:27,908 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:28:27,910 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:28:27,911 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:28:27,915 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:28:27,916 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:28:27,916 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:28:27,918 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:28:27,918 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:28:27,920 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:28:27,920 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:28:27,922 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:28:27,923 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:28:27,924 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:28:27,925 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:28:27,926 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:28:27,927 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:28:27,927 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:28:27,928 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:28:27,929 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:28:27,930 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:28:27,931 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b004aae0-9861-4a2f-aa01-a2a6fe33ee7e/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:28:27,957 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:28:27,957 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:28:27,958 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:28:27,958 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:28:27,959 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:28:27,959 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:28:27,959 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:28:27,959 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:28:27,959 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:28:27,960 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:28:27,960 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:28:27,960 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:28:27,960 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:28:27,961 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:28:27,961 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:28:27,962 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:28:27,962 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:28:27,962 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:28:27,962 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:28:27,962 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:28:27,963 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:28:27,963 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:28:27,963 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:28:27,963 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:28:27,964 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:28:27,964 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:28:27,964 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:28:27,964 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:28:27,964 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:28:27,965 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:28:27,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:28:27,965 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:28:27,965 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:28:27,966 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:28:27,966 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:28:27,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:28:27,966 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:28:27,966 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:28:27,967 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:28:27,967 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_b004aae0-9861-4a2f-aa01-a2a6fe33ee7e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b004aae0-9861-4a2f-aa01-a2a6fe33ee7e/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 118c87a61fbb1df2cb9a671e761c9c9d71205fb6 [2021-10-11 02:28:28,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:28:28,213 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:28:28,217 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:28:28,219 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:28:28,220 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:28:28,221 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b004aae0-9861-4a2f-aa01-a2a6fe33ee7e/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c [2021-10-11 02:28:28,319 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b004aae0-9861-4a2f-aa01-a2a6fe33ee7e/bin/utaipan-WLngWcDbfI/data/0a69a5d06/7767a8cdd5f546b288325eea14e4cb2d/FLAG8b35ed2ba [2021-10-11 02:28:28,853 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:28:28,854 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b004aae0-9861-4a2f-aa01-a2a6fe33ee7e/sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c [2021-10-11 02:28:28,879 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b004aae0-9861-4a2f-aa01-a2a6fe33ee7e/bin/utaipan-WLngWcDbfI/data/0a69a5d06/7767a8cdd5f546b288325eea14e4cb2d/FLAG8b35ed2ba [2021-10-11 02:28:29,188 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b004aae0-9861-4a2f-aa01-a2a6fe33ee7e/bin/utaipan-WLngWcDbfI/data/0a69a5d06/7767a8cdd5f546b288325eea14e4cb2d [2021-10-11 02:28:29,191 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:28:29,194 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:28:29,196 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:28:29,196 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:28:29,200 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:28:29,202 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:29" (1/1) ... [2021-10-11 02:28:29,205 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76cb460e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:29, skipping insertion in model container [2021-10-11 02:28:29,213 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:29" (1/1) ... [2021-10-11 02:28:29,221 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:28:29,294 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:28:29,562 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_b004aae0-9861-4a2f-aa01-a2a6fe33ee7e/sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c[3321,3334] [2021-10-11 02:28:29,651 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:28:29,662 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 02:28:29,663 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@307bc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:29, skipping insertion in model container [2021-10-11 02:28:29,663 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:28:29,663 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:28:29,665 INFO L168 Benchmark]: Toolchain (without parser) took 470.72 ms. Allocated memory is still 119.5 MB. Free memory was 86.9 MB in the beginning and 93.7 MB in the end (delta: -6.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:29,667 INFO L168 Benchmark]: CDTParser took 0.91 ms. Allocated memory is still 81.8 MB. Free memory was 39.3 MB in the beginning and 39.2 MB in the end (delta: 40.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:28:29,668 INFO L168 Benchmark]: CACSL2BoogieTranslator took 467.66 ms. Allocated memory is still 119.5 MB. Free memory was 86.9 MB in the beginning and 93.7 MB in the end (delta: -6.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:29,670 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.91 ms. Allocated memory is still 81.8 MB. Free memory was 39.3 MB in the beginning and 39.2 MB in the end (delta: 40.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 467.66 ms. Allocated memory is still 119.5 MB. Free memory was 86.9 MB in the beginning and 93.7 MB in the end (delta: -6.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 521]: 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 02:28:32,152 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:28:32,155 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:28:32,188 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:28:32,189 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:28:32,191 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:28:32,197 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:28:32,206 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:28:32,209 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:28:32,215 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:28:32,219 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:28:32,221 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:28:32,222 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:28:32,225 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:28:32,226 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:28:32,228 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:28:32,230 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:28:32,232 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:28:32,236 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:28:32,246 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:28:32,249 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:28:32,250 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:28:32,253 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:28:32,256 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:28:32,264 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:28:32,265 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:28:32,265 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:28:32,271 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:28:32,272 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:28:32,273 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:28:32,274 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:28:32,275 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:28:32,277 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:28:32,278 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:28:32,279 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:28:32,279 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:28:32,280 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:28:32,280 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:28:32,281 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:28:32,283 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:28:32,284 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:28:32,286 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b004aae0-9861-4a2f-aa01-a2a6fe33ee7e/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:28:32,351 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:28:32,352 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:28:32,353 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:28:32,354 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:28:32,354 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:28:32,354 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:28:32,354 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:28:32,355 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:28:32,355 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:28:32,357 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:28:32,358 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:28:32,358 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:28:32,358 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:28:32,359 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:28:32,359 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:28:32,359 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:28:32,359 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:28:32,360 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:28:32,360 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:28:32,360 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:28:32,360 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:28:32,361 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:28:32,361 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:28:32,361 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:28:32,361 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:28:32,362 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:28:32,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:28:32,362 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:28:32,362 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:28:32,363 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:28:32,363 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:28:32,363 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:28:32,363 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:28:32,364 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:28:32,364 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:28:32,364 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_b004aae0-9861-4a2f-aa01-a2a6fe33ee7e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b004aae0-9861-4a2f-aa01-a2a6fe33ee7e/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 118c87a61fbb1df2cb9a671e761c9c9d71205fb6 [2021-10-11 02:28:32,744 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:28:32,776 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:28:32,779 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:28:32,780 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:28:32,783 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:28:32,784 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b004aae0-9861-4a2f-aa01-a2a6fe33ee7e/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c [2021-10-11 02:28:32,858 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b004aae0-9861-4a2f-aa01-a2a6fe33ee7e/bin/utaipan-WLngWcDbfI/data/ad43779c5/cb06aca649d64e6fa0d10c3cd44814ea/FLAGd5b50a7a6 [2021-10-11 02:28:33,515 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:28:33,516 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b004aae0-9861-4a2f-aa01-a2a6fe33ee7e/sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c [2021-10-11 02:28:33,544 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b004aae0-9861-4a2f-aa01-a2a6fe33ee7e/bin/utaipan-WLngWcDbfI/data/ad43779c5/cb06aca649d64e6fa0d10c3cd44814ea/FLAGd5b50a7a6 [2021-10-11 02:28:33,750 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b004aae0-9861-4a2f-aa01-a2a6fe33ee7e/bin/utaipan-WLngWcDbfI/data/ad43779c5/cb06aca649d64e6fa0d10c3cd44814ea [2021-10-11 02:28:33,753 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:28:33,755 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:28:33,764 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:28:33,765 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:28:33,778 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:28:33,779 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:33" (1/1) ... [2021-10-11 02:28:33,781 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c50a7f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:33, skipping insertion in model container [2021-10-11 02:28:33,781 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:33" (1/1) ... [2021-10-11 02:28:33,789 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:28:33,871 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:28:34,117 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_b004aae0-9861-4a2f-aa01-a2a6fe33ee7e/sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c[3321,3334] [2021-10-11 02:28:34,282 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:28:34,323 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:28:34,345 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:28:34,377 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_b004aae0-9861-4a2f-aa01-a2a6fe33ee7e/sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c[3321,3334] [2021-10-11 02:28:34,438 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:28:34,444 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:28:34,471 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_b004aae0-9861-4a2f-aa01-a2a6fe33ee7e/sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c[3321,3334] [2021-10-11 02:28:34,558 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:28:34,603 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:28:34,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:34 WrapperNode [2021-10-11 02:28:34,603 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:28:34,605 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:28:34,605 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:28:34,605 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:28:34,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:34" (1/1) ... [2021-10-11 02:28:34,639 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:34" (1/1) ... [2021-10-11 02:28:34,716 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:28:34,717 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:28:34,717 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:28:34,717 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:28:34,730 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:34" (1/1) ... [2021-10-11 02:28:34,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:34" (1/1) ... [2021-10-11 02:28:34,741 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:34" (1/1) ... [2021-10-11 02:28:34,747 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:34" (1/1) ... [2021-10-11 02:28:34,772 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:34" (1/1) ... [2021-10-11 02:28:34,796 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:34" (1/1) ... [2021-10-11 02:28:34,802 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:34" (1/1) ... [2021-10-11 02:28:34,808 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:28:34,809 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:28:34,809 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:28:34,809 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:28:34,810 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:34" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b004aae0-9861-4a2f-aa01-a2a6fe33ee7e/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 02:28:34,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:28:34,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:28:34,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:28:34,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:28:37,390 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:28:37,391 INFO L299 CfgBuilder]: Removed 196 assume(true) statements. [2021-10-11 02:28:37,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:28:37 BoogieIcfgContainer [2021-10-11 02:28:37,396 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:28:37,399 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:28:37,399 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:28:37,402 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:28:37,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:28:33" (1/3) ... [2021-10-11 02:28:37,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2be82405 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:28:37, skipping insertion in model container [2021-10-11 02:28:37,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:34" (2/3) ... [2021-10-11 02:28:37,405 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2be82405 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:28:37, skipping insertion in model container [2021-10-11 02:28:37,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:28:37" (3/3) ... [2021-10-11 02:28:37,411 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product59.cil.c [2021-10-11 02:28:37,427 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:28:37,431 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:28:37,443 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:28:37,483 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:28:37,483 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:28:37,483 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:28:37,484 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:28:37,484 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:28:37,484 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:28:37,484 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:28:37,484 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:28:37,504 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2021-10-11 02:28:37,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 02:28:37,512 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:37,512 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:28:37,513 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:37,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:37,519 INFO L82 PathProgramCache]: Analyzing trace with hash 998639577, now seen corresponding path program 1 times [2021-10-11 02:28:37,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:37,535 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1084911884] [2021-10-11 02:28:37,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b004aae0-9861-4a2f-aa01-a2a6fe33ee7e/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 02:28:37,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:37,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:28:37,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:37,875 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 02:28:37,875 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:37,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1084911884] [2021-10-11 02:28:37,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:37,890 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:28:37,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23113199] [2021-10-11 02:28:37,896 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:28:37,897 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:37,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:28:37,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:28:37,914 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 2 states. [2021-10-11 02:28:37,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:37,965 INFO L93 Difference]: Finished difference Result 268 states and 401 transitions. [2021-10-11 02:28:37,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:28:37,966 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 02:28:37,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:37,978 INFO L225 Difference]: With dead ends: 268 [2021-10-11 02:28:37,979 INFO L226 Difference]: Without dead ends: 133 [2021-10-11 02:28:37,982 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 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 02:28:38,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2021-10-11 02:28:38,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2021-10-11 02:28:38,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2021-10-11 02:28:38,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 192 transitions. [2021-10-11 02:28:38,034 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 192 transitions. Word has length 16 [2021-10-11 02:28:38,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:38,034 INFO L481 AbstractCegarLoop]: Abstraction has 133 states and 192 transitions. [2021-10-11 02:28:38,034 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:28:38,034 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 192 transitions. [2021-10-11 02:28:38,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 02:28:38,036 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:38,036 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:28:38,249 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:28:38,250 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:38,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:38,250 INFO L82 PathProgramCache]: Analyzing trace with hash -48117320, now seen corresponding path program 1 times [2021-10-11 02:28:38,251 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:38,251 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [41370584] [2021-10-11 02:28:38,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b004aae0-9861-4a2f-aa01-a2a6fe33ee7e/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 02:28:38,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:38,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:28:38,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:38,656 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 02:28:38,657 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:38,657 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [41370584] [2021-10-11 02:28:38,657 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:38,657 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:28:38,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712680005] [2021-10-11 02:28:38,659 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:28:38,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:38,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:28:38,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:28:38,660 INFO L87 Difference]: Start difference. First operand 133 states and 192 transitions. Second operand 3 states. [2021-10-11 02:28:38,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:38,692 INFO L93 Difference]: Finished difference Result 133 states and 192 transitions. [2021-10-11 02:28:38,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:28:38,696 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 02:28:38,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:38,699 INFO L225 Difference]: With dead ends: 133 [2021-10-11 02:28:38,699 INFO L226 Difference]: Without dead ends: 55 [2021-10-11 02:28:38,700 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 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 02:28:38,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-10-11 02:28:38,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-10-11 02:28:38,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2021-10-11 02:28:38,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2021-10-11 02:28:38,718 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 17 [2021-10-11 02:28:38,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:38,718 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2021-10-11 02:28:38,719 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:28:38,719 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2021-10-11 02:28:38,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 02:28:38,720 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:38,720 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] [2021-10-11 02:28:38,944 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:28:38,945 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:38,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:38,945 INFO L82 PathProgramCache]: Analyzing trace with hash -1725162559, now seen corresponding path program 1 times [2021-10-11 02:28:38,946 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:38,946 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1312362229] [2021-10-11 02:28:38,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b004aae0-9861-4a2f-aa01-a2a6fe33ee7e/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 02:28:39,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:39,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:28:39,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:39,178 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 02:28:39,178 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:39,179 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1312362229] [2021-10-11 02:28:39,179 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:39,179 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:28:39,179 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020227423] [2021-10-11 02:28:39,180 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:28:39,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:39,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:28:39,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:28:39,181 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 3 states. [2021-10-11 02:28:39,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:39,205 INFO L93 Difference]: Finished difference Result 153 states and 225 transitions. [2021-10-11 02:28:39,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:28:39,211 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2021-10-11 02:28:39,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:39,215 INFO L225 Difference]: With dead ends: 153 [2021-10-11 02:28:39,215 INFO L226 Difference]: Without dead ends: 104 [2021-10-11 02:28:39,217 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 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 02:28:39,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-10-11 02:28:39,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 100. [2021-10-11 02:28:39,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2021-10-11 02:28:39,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 147 transitions. [2021-10-11 02:28:39,246 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 147 transitions. Word has length 22 [2021-10-11 02:28:39,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:39,247 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 147 transitions. [2021-10-11 02:28:39,247 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:28:39,247 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 147 transitions. [2021-10-11 02:28:39,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:28:39,249 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:39,249 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 02:28:39,470 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:28:39,470 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:39,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:39,471 INFO L82 PathProgramCache]: Analyzing trace with hash 1536171928, now seen corresponding path program 1 times [2021-10-11 02:28:39,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:39,477 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2089478037] [2021-10-11 02:28:39,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b004aae0-9861-4a2f-aa01-a2a6fe33ee7e/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 02:28:39,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:39,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:28:39,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:39,733 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 02:28:39,733 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:39,734 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2089478037] [2021-10-11 02:28:39,734 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:39,734 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:28:39,734 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062526534] [2021-10-11 02:28:39,735 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:28:39,736 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:39,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:28:39,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:28:39,738 INFO L87 Difference]: Start difference. First operand 100 states and 147 transitions. Second operand 3 states. [2021-10-11 02:28:39,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:39,799 INFO L93 Difference]: Finished difference Result 235 states and 350 transitions. [2021-10-11 02:28:39,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:28:39,800 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:28:39,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:39,801 INFO L225 Difference]: With dead ends: 235 [2021-10-11 02:28:39,802 INFO L226 Difference]: Without dead ends: 141 [2021-10-11 02:28:39,802 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 02:28:39,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2021-10-11 02:28:39,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 139. [2021-10-11 02:28:39,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2021-10-11 02:28:39,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 201 transitions. [2021-10-11 02:28:39,831 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 201 transitions. Word has length 24 [2021-10-11 02:28:39,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:39,833 INFO L481 AbstractCegarLoop]: Abstraction has 139 states and 201 transitions. [2021-10-11 02:28:39,833 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:28:39,833 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 201 transitions. [2021-10-11 02:28:39,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 02:28:39,838 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:39,839 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] [2021-10-11 02:28:40,062 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:28:40,062 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:40,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:40,063 INFO L82 PathProgramCache]: Analyzing trace with hash 1391898518, now seen corresponding path program 1 times [2021-10-11 02:28:40,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:40,064 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [308186043] [2021-10-11 02:28:40,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b004aae0-9861-4a2f-aa01-a2a6fe33ee7e/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 02:28:40,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:40,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:28:40,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:40,352 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 02:28:40,352 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:40,352 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [308186043] [2021-10-11 02:28:40,353 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:40,353 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:28:40,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23018961] [2021-10-11 02:28:40,354 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:28:40,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:40,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:28:40,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:28:40,355 INFO L87 Difference]: Start difference. First operand 139 states and 201 transitions. Second operand 5 states. [2021-10-11 02:28:40,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:40,531 INFO L93 Difference]: Finished difference Result 747 states and 1098 transitions. [2021-10-11 02:28:40,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 02:28:40,532 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2021-10-11 02:28:40,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:40,536 INFO L225 Difference]: With dead ends: 747 [2021-10-11 02:28:40,536 INFO L226 Difference]: Without dead ends: 614 [2021-10-11 02:28:40,537 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 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 02:28:40,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2021-10-11 02:28:40,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 262. [2021-10-11 02:28:40,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2021-10-11 02:28:40,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 375 transitions. [2021-10-11 02:28:40,567 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 375 transitions. Word has length 25 [2021-10-11 02:28:40,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:40,568 INFO L481 AbstractCegarLoop]: Abstraction has 262 states and 375 transitions. [2021-10-11 02:28:40,568 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:28:40,568 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 375 transitions. [2021-10-11 02:28:40,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 02:28:40,569 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:40,569 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:28:40,782 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:28:40,782 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:40,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:40,783 INFO L82 PathProgramCache]: Analyzing trace with hash 1188091424, now seen corresponding path program 1 times [2021-10-11 02:28:40,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:40,787 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [782193379] [2021-10-11 02:28:40,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b004aae0-9861-4a2f-aa01-a2a6fe33ee7e/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 02:28:40,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:40,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:28:40,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:41,019 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 02:28:41,019 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:41,019 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [782193379] [2021-10-11 02:28:41,020 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:41,020 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:28:41,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175088862] [2021-10-11 02:28:41,020 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:28:41,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:41,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:28:41,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:28:41,022 INFO L87 Difference]: Start difference. First operand 262 states and 375 transitions. Second operand 5 states. [2021-10-11 02:28:41,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:41,235 INFO L93 Difference]: Finished difference Result 768 states and 1102 transitions. [2021-10-11 02:28:41,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 02:28:41,236 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2021-10-11 02:28:41,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:41,240 INFO L225 Difference]: With dead ends: 768 [2021-10-11 02:28:41,240 INFO L226 Difference]: Without dead ends: 766 [2021-10-11 02:28:41,241 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 22 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 02:28:41,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 766 states. [2021-10-11 02:28:41,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 766 to 262. [2021-10-11 02:28:41,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2021-10-11 02:28:41,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 373 transitions. [2021-10-11 02:28:41,271 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 373 transitions. Word has length 26 [2021-10-11 02:28:41,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:41,271 INFO L481 AbstractCegarLoop]: Abstraction has 262 states and 373 transitions. [2021-10-11 02:28:41,272 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:28:41,272 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 373 transitions. [2021-10-11 02:28:41,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 02:28:41,273 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:41,273 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 02:28:41,495 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2021-10-11 02:28:41,495 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:41,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:41,496 INFO L82 PathProgramCache]: Analyzing trace with hash 770731220, now seen corresponding path program 1 times [2021-10-11 02:28:41,496 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:41,497 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1521654212] [2021-10-11 02:28:41,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b004aae0-9861-4a2f-aa01-a2a6fe33ee7e/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 02:28:41,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:41,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:28:41,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:41,761 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 02:28:41,762 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:41,762 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1521654212] [2021-10-11 02:28:41,762 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:41,762 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:28:41,763 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608708173] [2021-10-11 02:28:41,763 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:28:41,763 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:41,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:28:41,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:28:41,764 INFO L87 Difference]: Start difference. First operand 262 states and 373 transitions. Second operand 5 states. [2021-10-11 02:28:41,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:41,877 INFO L93 Difference]: Finished difference Result 698 states and 980 transitions. [2021-10-11 02:28:41,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:28:41,877 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2021-10-11 02:28:41,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:41,880 INFO L225 Difference]: With dead ends: 698 [2021-10-11 02:28:41,880 INFO L226 Difference]: Without dead ends: 442 [2021-10-11 02:28:41,881 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 32 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 02:28:41,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2021-10-11 02:28:41,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 286. [2021-10-11 02:28:41,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2021-10-11 02:28:41,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 397 transitions. [2021-10-11 02:28:41,910 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 397 transitions. Word has length 34 [2021-10-11 02:28:41,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:41,910 INFO L481 AbstractCegarLoop]: Abstraction has 286 states and 397 transitions. [2021-10-11 02:28:41,910 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:28:41,910 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 397 transitions. [2021-10-11 02:28:41,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 02:28:41,911 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:41,911 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 02:28:42,130 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2021-10-11 02:28:42,130 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:42,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:42,130 INFO L82 PathProgramCache]: Analyzing trace with hash 183925206, now seen corresponding path program 1 times [2021-10-11 02:28:42,131 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:42,131 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1041624320] [2021-10-11 02:28:42,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b004aae0-9861-4a2f-aa01-a2a6fe33ee7e/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 02:28:42,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:42,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 02:28:42,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:42,407 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 02:28:42,407 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:42,407 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1041624320] [2021-10-11 02:28:42,407 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:42,407 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:28:42,408 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855764512] [2021-10-11 02:28:42,408 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:28:42,408 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:42,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:28:42,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:28:42,409 INFO L87 Difference]: Start difference. First operand 286 states and 397 transitions. Second operand 4 states. [2021-10-11 02:28:42,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:42,494 INFO L93 Difference]: Finished difference Result 686 states and 942 transitions. [2021-10-11 02:28:42,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:28:42,495 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2021-10-11 02:28:42,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:42,498 INFO L225 Difference]: With dead ends: 686 [2021-10-11 02:28:42,500 INFO L226 Difference]: Without dead ends: 406 [2021-10-11 02:28:42,501 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 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 02:28:42,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2021-10-11 02:28:42,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 302. [2021-10-11 02:28:42,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2021-10-11 02:28:42,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 413 transitions. [2021-10-11 02:28:42,540 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 413 transitions. Word has length 34 [2021-10-11 02:28:42,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:42,541 INFO L481 AbstractCegarLoop]: Abstraction has 302 states and 413 transitions. [2021-10-11 02:28:42,541 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:28:42,541 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 413 transitions. [2021-10-11 02:28:42,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 02:28:42,542 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:42,542 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 02:28:42,755 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2021-10-11 02:28:42,755 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:42,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:42,756 INFO L82 PathProgramCache]: Analyzing trace with hash -1095938472, now seen corresponding path program 1 times [2021-10-11 02:28:42,756 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:42,757 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1881045869] [2021-10-11 02:28:42,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b004aae0-9861-4a2f-aa01-a2a6fe33ee7e/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 02:28:42,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:42,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:28:42,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:43,019 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 02:28:43,019 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:43,019 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1881045869] [2021-10-11 02:28:43,020 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:43,020 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:28:43,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65023823] [2021-10-11 02:28:43,020 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:28:43,020 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:43,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:28:43,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:28:43,021 INFO L87 Difference]: Start difference. First operand 302 states and 413 transitions. Second operand 3 states. [2021-10-11 02:28:43,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:43,085 INFO L93 Difference]: Finished difference Result 702 states and 954 transitions. [2021-10-11 02:28:43,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:28:43,086 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2021-10-11 02:28:43,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:43,089 INFO L225 Difference]: With dead ends: 702 [2021-10-11 02:28:43,089 INFO L226 Difference]: Without dead ends: 406 [2021-10-11 02:28:43,090 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 02:28:43,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2021-10-11 02:28:43,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 406. [2021-10-11 02:28:43,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 406 states. [2021-10-11 02:28:43,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 539 transitions. [2021-10-11 02:28:43,139 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 539 transitions. Word has length 34 [2021-10-11 02:28:43,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:43,140 INFO L481 AbstractCegarLoop]: Abstraction has 406 states and 539 transitions. [2021-10-11 02:28:43,140 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:28:43,140 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 539 transitions. [2021-10-11 02:28:43,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-11 02:28:43,141 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:43,141 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:28:43,356 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2021-10-11 02:28:43,357 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:43,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:43,357 INFO L82 PathProgramCache]: Analyzing trace with hash 420497238, now seen corresponding path program 1 times [2021-10-11 02:28:43,358 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:43,358 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [790407973] [2021-10-11 02:28:43,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b004aae0-9861-4a2f-aa01-a2a6fe33ee7e/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 02:28:43,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:43,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:28:43,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:43,615 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 02:28:43,616 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:43,616 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [790407973] [2021-10-11 02:28:43,616 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:43,616 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 02:28:43,616 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724241703] [2021-10-11 02:28:43,617 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:28:43,617 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:43,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:28:43,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:28:43,618 INFO L87 Difference]: Start difference. First operand 406 states and 539 transitions. Second operand 6 states. [2021-10-11 02:28:45,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:45,512 INFO L93 Difference]: Finished difference Result 1252 states and 1658 transitions. [2021-10-11 02:28:45,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-11 02:28:45,513 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2021-10-11 02:28:45,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:45,518 INFO L225 Difference]: With dead ends: 1252 [2021-10-11 02:28:45,518 INFO L226 Difference]: Without dead ends: 852 [2021-10-11 02:28:45,520 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-10-11 02:28:45,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2021-10-11 02:28:45,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 406. [2021-10-11 02:28:45,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 406 states. [2021-10-11 02:28:45,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 529 transitions. [2021-10-11 02:28:45,596 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 529 transitions. Word has length 35 [2021-10-11 02:28:45,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:45,598 INFO L481 AbstractCegarLoop]: Abstraction has 406 states and 529 transitions. [2021-10-11 02:28:45,599 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:28:45,599 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 529 transitions. [2021-10-11 02:28:45,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-11 02:28:45,600 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:45,600 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:28:45,816 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2021-10-11 02:28:45,817 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:45,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:45,817 INFO L82 PathProgramCache]: Analyzing trace with hash 325446782, now seen corresponding path program 1 times [2021-10-11 02:28:45,818 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:45,818 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1446213490] [2021-10-11 02:28:45,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b004aae0-9861-4a2f-aa01-a2a6fe33ee7e/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 02:28:46,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:46,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:28:46,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:46,089 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:28:46,089 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:46,089 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1446213490] [2021-10-11 02:28:46,090 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:46,090 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:28:46,090 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069998093] [2021-10-11 02:28:46,090 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:28:46,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:46,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:28:46,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:28:46,092 INFO L87 Difference]: Start difference. First operand 406 states and 529 transitions. Second operand 3 states. [2021-10-11 02:28:46,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:46,185 INFO L93 Difference]: Finished difference Result 688 states and 900 transitions. [2021-10-11 02:28:46,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:28:46,186 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2021-10-11 02:28:46,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:46,189 INFO L225 Difference]: With dead ends: 688 [2021-10-11 02:28:46,189 INFO L226 Difference]: Without dead ends: 482 [2021-10-11 02:28:46,190 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 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 02:28:46,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2021-10-11 02:28:46,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 280. [2021-10-11 02:28:46,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2021-10-11 02:28:46,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 363 transitions. [2021-10-11 02:28:46,236 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 363 transitions. Word has length 52 [2021-10-11 02:28:46,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:46,236 INFO L481 AbstractCegarLoop]: Abstraction has 280 states and 363 transitions. [2021-10-11 02:28:46,236 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:28:46,237 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 363 transitions. [2021-10-11 02:28:46,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-11 02:28:46,238 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:46,238 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:28:46,458 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2021-10-11 02:28:46,458 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:46,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:46,459 INFO L82 PathProgramCache]: Analyzing trace with hash 507471461, now seen corresponding path program 1 times [2021-10-11 02:28:46,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:46,461 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [63091764] [2021-10-11 02:28:46,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b004aae0-9861-4a2f-aa01-a2a6fe33ee7e/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 02:28:46,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:46,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:28:46,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:46,770 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:28:46,770 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:28:46,813 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2021-10-11 02:28:46,813 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2021-10-11 02:28:46,901 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:28:46,901 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [63091764] [2021-10-11 02:28:46,901 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1189569669] [2021-10-11 02:28:46,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b004aae0-9861-4a2f-aa01-a2a6fe33ee7e/bin/utaipan-WLngWcDbfI/cvc4 Starting monitored process 14 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4 --incremental --print-success --lang smt [2021-10-11 02:28:47,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:47,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-11 02:28:47,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:47,308 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:28:47,308 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:28:47,329 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2021-10-11 02:28:47,329 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2021-10-11 02:28:47,393 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:28:47,394 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [986616549] [2021-10-11 02:28:47,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b004aae0-9861-4a2f-aa01-a2a6fe33ee7e/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:28:47,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:47,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:28:47,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:47,614 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:28:47,614 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:28:47,631 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2021-10-11 02:28:47,632 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2021-10-11 02:28:47,690 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:28:47,690 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-11 02:28:47,691 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 7 [2021-10-11 02:28:47,691 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502864032] [2021-10-11 02:28:47,692 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-10-11 02:28:47,692 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:47,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-11 02:28:47,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-11 02:28:47,693 INFO L87 Difference]: Start difference. First operand 280 states and 363 transitions. Second operand 8 states. [2021-10-11 02:28:51,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:51,917 INFO L93 Difference]: Finished difference Result 2421 states and 3226 transitions. [2021-10-11 02:28:51,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-11 02:28:51,918 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 56 [2021-10-11 02:28:51,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:51,930 INFO L225 Difference]: With dead ends: 2421 [2021-10-11 02:28:51,930 INFO L226 Difference]: Without dead ends: 2235 [2021-10-11 02:28:51,932 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 323 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2021-10-11 02:28:51,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2235 states. [2021-10-11 02:28:52,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2235 to 616. [2021-10-11 02:28:52,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 616 states. [2021-10-11 02:28:52,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 616 states and 819 transitions. [2021-10-11 02:28:52,051 INFO L78 Accepts]: Start accepts. Automaton has 616 states and 819 transitions. Word has length 56 [2021-10-11 02:28:52,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:52,053 INFO L481 AbstractCegarLoop]: Abstraction has 616 states and 819 transitions. [2021-10-11 02:28:52,053 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-10-11 02:28:52,053 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 819 transitions. [2021-10-11 02:28:52,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-11 02:28:52,054 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:52,054 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:28:52,662 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 cvc4 --incremental --print-success --lang smt,13 mathsat -unsat_core_generation=3,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:28:52,662 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:52,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:52,662 INFO L82 PathProgramCache]: Analyzing trace with hash 1208536039, now seen corresponding path program 1 times [2021-10-11 02:28:52,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:52,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [773209364] [2021-10-11 02:28:52,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b004aae0-9861-4a2f-aa01-a2a6fe33ee7e/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 16 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with mathsat -unsat_core_generation=3 [2021-10-11 02:28:52,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:52,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:28:52,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:52,962 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-11 02:28:52,963 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:52,963 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [773209364] [2021-10-11 02:28:52,963 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:52,963 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:28:52,963 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580086962] [2021-10-11 02:28:52,964 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:28:52,964 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:52,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:28:52,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:28:52,965 INFO L87 Difference]: Start difference. First operand 616 states and 819 transitions. Second operand 5 states. [2021-10-11 02:28:53,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:53,126 INFO L93 Difference]: Finished difference Result 1182 states and 1538 transitions. [2021-10-11 02:28:53,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:28:53,126 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2021-10-11 02:28:53,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:53,127 INFO L225 Difference]: With dead ends: 1182 [2021-10-11 02:28:53,127 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:28:53,129 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 54 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 02:28:53,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:28:53,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:28:53,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:28:53,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:28:53,130 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2021-10-11 02:28:53,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:53,130 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:28:53,130 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:28:53,130 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:28:53,131 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:28:53,350 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 mathsat -unsat_core_generation=3 [2021-10-11 02:28:53,352 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:28:54,103 WARN L197 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 163 [2021-10-11 02:28:54,579 WARN L197 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 187 [2021-10-11 02:28:55,121 WARN L197 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 176 [2021-10-11 02:28:55,360 WARN L197 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 156 [2021-10-11 02:28:55,574 WARN L197 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 168 [2021-10-11 02:28:55,814 WARN L197 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 133 [2021-10-11 02:28:56,408 WARN L197 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 175 [2021-10-11 02:28:56,526 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 108 [2021-10-11 02:28:56,645 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 137 [2021-10-11 02:28:56,804 WARN L197 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 154 [2021-10-11 02:28:58,109 WARN L197 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 153 DAG size of output: 26 [2021-10-11 02:28:59,622 WARN L197 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 184 DAG size of output: 29 [2021-10-11 02:29:00,875 WARN L197 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 169 DAG size of output: 28 [2021-10-11 02:29:02,193 WARN L197 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 150 DAG size of output: 37 [2021-10-11 02:29:02,921 WARN L197 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 36 [2021-10-11 02:29:03,145 WARN L197 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 23 [2021-10-11 02:29:03,986 WARN L197 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 30 [2021-10-11 02:29:04,142 WARN L197 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 25 [2021-10-11 02:29:05,326 WARN L197 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 167 DAG size of output: 28 [2021-10-11 02:29:05,936 WARN L197 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 22 [2021-10-11 02:29:06,424 WARN L197 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 34 [2021-10-11 02:29:07,701 WARN L197 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 148 DAG size of output: 37 [2021-10-11 02:29:07,861 WARN L197 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 28 [2021-10-11 02:29:07,863 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 185) no Hoare annotation was computed. [2021-10-11 02:29:07,863 INFO L258 CegarLoopResult]: At program point L399(lines 394 402) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 (_ bv2 32)) .cse3 .cse4) (and .cse0 .cse1 .cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse3 .cse4))) [2021-10-11 02:29:07,864 INFO L258 CegarLoopResult]: At program point L399-1(lines 394 402) the Hoare annotation is: false [2021-10-11 02:29:07,864 INFO L258 CegarLoopResult]: At program point L399-2(lines 394 402) the Hoare annotation is: false [2021-10-11 02:29:07,864 INFO L262 CegarLoopResult]: For program point L467(lines 467 471) no Hoare annotation was computed. [2021-10-11 02:29:07,864 INFO L262 CegarLoopResult]: For program point L467-2(lines 467 471) no Hoare annotation was computed. [2021-10-11 02:29:07,864 INFO L262 CegarLoopResult]: For program point L467-3(lines 467 471) no Hoare annotation was computed. [2021-10-11 02:29:07,864 INFO L262 CegarLoopResult]: For program point L302(lines 302 319) no Hoare annotation was computed. [2021-10-11 02:29:07,864 INFO L262 CegarLoopResult]: For program point L467-5(lines 467 471) no Hoare annotation was computed. [2021-10-11 02:29:07,864 INFO L262 CegarLoopResult]: For program point L302-1(lines 302 319) no Hoare annotation was computed. [2021-10-11 02:29:07,864 INFO L262 CegarLoopResult]: For program point L467-6(lines 467 471) no Hoare annotation was computed. [2021-10-11 02:29:07,865 INFO L262 CegarLoopResult]: For program point L302-2(lines 302 319) no Hoare annotation was computed. [2021-10-11 02:29:07,865 INFO L262 CegarLoopResult]: For program point L302-3(lines 302 319) no Hoare annotation was computed. [2021-10-11 02:29:07,865 INFO L262 CegarLoopResult]: For program point L467-8(lines 467 471) no Hoare annotation was computed. [2021-10-11 02:29:07,865 INFO L262 CegarLoopResult]: For program point L302-4(lines 302 319) no Hoare annotation was computed. [2021-10-11 02:29:07,865 INFO L262 CegarLoopResult]: For program point L302-5(lines 302 319) no Hoare annotation was computed. [2021-10-11 02:29:07,865 INFO L258 CegarLoopResult]: At program point L270(lines 269 288) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse5 .cse1) (and .cse4 .cse0 .cse1 .cse2) (and .cse0 .cse5 .cse1 .cse3) (and .cse0 .cse6 .cse2 .cse3) (and .cse4 .cse0 .cse6 .cse2))) [2021-10-11 02:29:07,865 INFO L262 CegarLoopResult]: For program point L270-1(lines 270 276) no Hoare annotation was computed. [2021-10-11 02:29:07,866 INFO L262 CegarLoopResult]: For program point L204(lines 203 250) no Hoare annotation was computed. [2021-10-11 02:29:07,866 INFO L258 CegarLoopResult]: At program point L270-2(lines 269 288) the Hoare annotation is: false [2021-10-11 02:29:07,866 INFO L258 CegarLoopResult]: At program point L270-3(lines 269 288) the Hoare annotation is: false [2021-10-11 02:29:07,866 INFO L258 CegarLoopResult]: At program point L138(lines 129 142) the Hoare annotation is: false [2021-10-11 02:29:07,866 INFO L258 CegarLoopResult]: At program point L138-1(lines 129 142) the Hoare annotation is: (let ((.cse3 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse6 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse7 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (= ~methaneLevelCritical~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse6 .cse7 .cse4) (and .cse1 .cse2 .cse6 .cse7 .cse4 .cse5))) [2021-10-11 02:29:07,866 INFO L258 CegarLoopResult]: At program point L138-2(lines 129 142) the Hoare annotation is: false [2021-10-11 02:29:07,867 INFO L258 CegarLoopResult]: At program point L138-3(lines 129 142) the Hoare annotation is: false [2021-10-11 02:29:07,867 INFO L258 CegarLoopResult]: At program point L138-4(lines 129 142) the Hoare annotation is: false [2021-10-11 02:29:07,867 INFO L258 CegarLoopResult]: At program point L138-5(lines 129 142) the Hoare annotation is: false [2021-10-11 02:29:07,867 INFO L262 CegarLoopResult]: For program point L205(lines 205 209) no Hoare annotation was computed. [2021-10-11 02:29:07,867 INFO L262 CegarLoopResult]: For program point L239(lines 239 245) no Hoare annotation was computed. [2021-10-11 02:29:07,867 INFO L258 CegarLoopResult]: At program point L239-1(lines 270 276) the Hoare annotation is: (let ((.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (not (= ~systemActive~0 (_ bv0 32)))) (.cse5 (= ~waterLevel~0 (_ bv2 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse3) (and .cse6 .cse0 .cse1 .cse2) (and .cse0 .cse5 .cse2 .cse3) (and .cse6 .cse0 .cse5 .cse2) (and .cse6 .cse0 .cse4 .cse5))) [2021-10-11 02:29:07,868 INFO L262 CegarLoopResult]: For program point L306(lines 306 314) no Hoare annotation was computed. [2021-10-11 02:29:07,868 INFO L262 CegarLoopResult]: For program point L306-1(lines 306 314) no Hoare annotation was computed. [2021-10-11 02:29:07,868 INFO L262 CegarLoopResult]: For program point L306-2(lines 306 314) no Hoare annotation was computed. [2021-10-11 02:29:07,868 INFO L262 CegarLoopResult]: For program point L306-3(lines 306 314) no Hoare annotation was computed. [2021-10-11 02:29:07,868 INFO L262 CegarLoopResult]: For program point L306-4(lines 306 314) no Hoare annotation was computed. [2021-10-11 02:29:07,868 INFO L262 CegarLoopResult]: For program point L306-5(lines 306 314) no Hoare annotation was computed. [2021-10-11 02:29:07,868 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 185) no Hoare annotation was computed. [2021-10-11 02:29:07,869 INFO L258 CegarLoopResult]: At program point L473(lines 458 476) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= ULTIMATE.start_isLowWaterLevel_~tmp~6 (_ bv0 32))) (.cse3 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse5 (= (_ bv0 32) (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~3 (_ bv4294967295 32)))) (.cse6 (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse6) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6))) [2021-10-11 02:29:07,869 INFO L258 CegarLoopResult]: At program point L473-1(lines 458 476) the Hoare annotation is: false [2021-10-11 02:29:07,869 INFO L258 CegarLoopResult]: At program point L473-2(lines 458 476) the Hoare annotation is: false [2021-10-11 02:29:07,869 INFO L258 CegarLoopResult]: At program point L277(lines 277 283) the Hoare annotation is: (let ((.cse3 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (not (= ~systemActive~0 (_ bv0 32))) .cse1 .cse2) (and .cse0 .cse3 .cse4 .cse2) (and .cse5 .cse0 .cse3 .cse4) (and .cse0 .cse1 .cse4 .cse2) (and .cse5 .cse0 .cse1 .cse4))) [2021-10-11 02:29:07,869 INFO L258 CegarLoopResult]: At program point L277-1(lines 277 283) the Hoare annotation is: false [2021-10-11 02:29:07,869 INFO L258 CegarLoopResult]: At program point L277-2(lines 277 283) the Hoare annotation is: false [2021-10-11 02:29:07,870 INFO L262 CegarLoopResult]: For program point L80(lines 80 84) no Hoare annotation was computed. [2021-10-11 02:29:07,870 INFO L262 CegarLoopResult]: For program point L213(lines 213 219) no Hoare annotation was computed. [2021-10-11 02:29:07,870 INFO L258 CegarLoopResult]: At program point L213-1(lines 213 219) the Hoare annotation is: (let ((.cse8 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse9 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse0 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0)) (.cse5 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse6 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse7 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 (not (= ~systemActive~0 (_ bv0 32))) .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse6 .cse4 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse6 .cse4) (and .cse8 .cse1 .cse5 .cse9 .cse6) (and .cse8 .cse1 .cse2 .cse9 .cse6) (and .cse0 .cse1 .cse5 .cse3 .cse6 .cse4) (and .cse1 .cse2 .cse6 .cse4 .cse7))) [2021-10-11 02:29:07,870 INFO L258 CegarLoopResult]: At program point L148(lines 143 151) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1 .cse2 .cse3))) [2021-10-11 02:29:07,870 INFO L258 CegarLoopResult]: At program point L148-1(lines 143 151) the Hoare annotation is: false [2021-10-11 02:29:07,870 INFO L258 CegarLoopResult]: At program point L148-2(lines 143 151) the Hoare annotation is: false [2021-10-11 02:29:07,870 INFO L258 CegarLoopResult]: At program point L908-2(lines 908 922) the Hoare annotation is: false [2021-10-11 02:29:07,870 INFO L262 CegarLoopResult]: For program point L909(line 909) no Hoare annotation was computed. [2021-10-11 02:29:07,870 INFO L262 CegarLoopResult]: For program point L481(lines 481 487) no Hoare annotation was computed. [2021-10-11 02:29:07,871 INFO L258 CegarLoopResult]: At program point L481-1(lines 481 487) the Hoare annotation is: (let ((.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse2) (and .cse0 .cse5 .cse2 .cse3) (and .cse4 .cse0 .cse5 .cse2))) [2021-10-11 02:29:07,871 INFO L262 CegarLoopResult]: For program point L448(lines 448 452) no Hoare annotation was computed. [2021-10-11 02:29:07,871 INFO L262 CegarLoopResult]: For program point L448-2(lines 448 452) no Hoare annotation was computed. [2021-10-11 02:29:07,871 INFO L262 CegarLoopResult]: For program point L448-3(lines 448 452) no Hoare annotation was computed. [2021-10-11 02:29:07,871 INFO L262 CegarLoopResult]: For program point L448-5(lines 448 452) no Hoare annotation was computed. [2021-10-11 02:29:07,871 INFO L262 CegarLoopResult]: For program point L448-6(lines 448 452) no Hoare annotation was computed. [2021-10-11 02:29:07,871 INFO L262 CegarLoopResult]: For program point L448-8(lines 448 452) no Hoare annotation was computed. [2021-10-11 02:29:07,871 INFO L262 CegarLoopResult]: For program point L448-9(lines 448 452) no Hoare annotation was computed. [2021-10-11 02:29:07,871 INFO L262 CegarLoopResult]: For program point L448-11(lines 448 452) no Hoare annotation was computed. [2021-10-11 02:29:07,871 INFO L262 CegarLoopResult]: For program point L448-12(lines 448 452) no Hoare annotation was computed. [2021-10-11 02:29:07,871 INFO L262 CegarLoopResult]: For program point L448-14(lines 448 452) no Hoare annotation was computed. [2021-10-11 02:29:07,871 INFO L262 CegarLoopResult]: For program point L448-15(lines 448 452) no Hoare annotation was computed. [2021-10-11 02:29:07,871 INFO L262 CegarLoopResult]: For program point L448-17(lines 448 452) no Hoare annotation was computed. [2021-10-11 02:29:07,871 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:29:07,871 INFO L258 CegarLoopResult]: At program point L251(lines 202 252) the Hoare annotation is: false [2021-10-11 02:29:07,871 INFO L262 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2021-10-11 02:29:07,872 INFO L262 CegarLoopResult]: For program point L185-1(line 185) no Hoare annotation was computed. [2021-10-11 02:29:07,872 INFO L262 CegarLoopResult]: For program point L185-2(line 185) no Hoare annotation was computed. [2021-10-11 02:29:07,872 INFO L262 CegarLoopResult]: For program point L912(lines 912 916) no Hoare annotation was computed. [2021-10-11 02:29:07,872 INFO L262 CegarLoopResult]: For program point L912-1(lines 270 276) no Hoare annotation was computed. [2021-10-11 02:29:07,872 INFO L262 CegarLoopResult]: For program point L979(lines 979 986) no Hoare annotation was computed. [2021-10-11 02:29:07,872 INFO L265 CegarLoopResult]: At program point L979-1(lines 979 986) the Hoare annotation is: true [2021-10-11 02:29:07,872 INFO L262 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2021-10-11 02:29:07,872 INFO L262 CegarLoopResult]: For program point L56-3(lines 56 60) no Hoare annotation was computed. [2021-10-11 02:29:07,873 INFO L262 CegarLoopResult]: For program point L56-6(lines 56 60) no Hoare annotation was computed. [2021-10-11 02:29:07,873 INFO L258 CegarLoopResult]: At program point L454(lines 439 457) the Hoare annotation is: false [2021-10-11 02:29:07,873 INFO L258 CegarLoopResult]: At program point L454-1(lines 439 457) the Hoare annotation is: (let ((.cse3 (= ~waterLevel~0 (_ bv2 32))) (.cse8 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv0 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse6 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse7 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse6 .cse4 .cse7 .cse8) (and .cse1 .cse2 .cse3 .cse4 .cse8) (and .cse0 .cse5 .cse1 .cse2 .cse6 .cse4 .cse7))) [2021-10-11 02:29:07,873 INFO L258 CegarLoopResult]: At program point L454-2(lines 439 457) the Hoare annotation is: false [2021-10-11 02:29:07,873 INFO L258 CegarLoopResult]: At program point L454-3(lines 439 457) the Hoare annotation is: false [2021-10-11 02:29:07,873 INFO L258 CegarLoopResult]: At program point L454-4(lines 439 457) the Hoare annotation is: false [2021-10-11 02:29:07,873 INFO L258 CegarLoopResult]: At program point L454-5(lines 439 457) the Hoare annotation is: false [2021-10-11 02:29:07,873 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:29:07,873 INFO L262 CegarLoopResult]: For program point L223(lines 223 229) no Hoare annotation was computed. [2021-10-11 02:29:07,873 INFO L258 CegarLoopResult]: At program point L223-1(lines 223 229) the Hoare annotation is: (let ((.cse4 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= ~waterLevel~0 (_ bv2 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse3) (and .cse6 .cse0 .cse4 .cse5) (and .cse0 .cse2 .cse5 .cse3) (and .cse6 .cse0 .cse2 .cse5) (and .cse6 .cse0 .cse1 .cse2))) [2021-10-11 02:29:07,873 INFO L258 CegarLoopResult]: At program point L884(lines 1 991) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:29:07,873 INFO L258 CegarLoopResult]: At program point L390(lines 383 393) the Hoare annotation is: false [2021-10-11 02:29:07,874 INFO L258 CegarLoopResult]: At program point L390-1(lines 383 393) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneAlarm_#res| (_ bv4294967295 32))) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse3) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse3 (= ~methaneLevelCritical~0 (_ bv0 32))))) [2021-10-11 02:29:07,874 INFO L258 CegarLoopResult]: At program point L390-2(lines 383 393) the Hoare annotation is: false [2021-10-11 02:29:07,874 INFO L258 CegarLoopResult]: At program point L390-3(lines 383 393) the Hoare annotation is: false [2021-10-11 02:29:07,874 INFO L258 CegarLoopResult]: At program point L390-4(lines 383 393) the Hoare annotation is: false [2021-10-11 02:29:07,874 INFO L258 CegarLoopResult]: At program point L390-5(lines 383 393) the Hoare annotation is: false [2021-10-11 02:29:07,874 INFO L258 CegarLoopResult]: At program point L93(lines 88 96) the Hoare annotation is: false [2021-10-11 02:29:07,874 INFO L258 CegarLoopResult]: At program point L93-1(lines 88 96) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse3) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse3 (= ~methaneLevelCritical~0 (_ bv0 32))))) [2021-10-11 02:29:07,874 INFO L258 CegarLoopResult]: At program point L93-2(lines 88 96) the Hoare annotation is: (let ((.cse6 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= ~methaneLevelCritical~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (not (= ~systemActive~0 (_ bv0 32))) .cse5 .cse2 .cse4) (and .cse6 .cse0 .cse5 .cse7 .cse3) (and .cse6 .cse0 .cse1 .cse7 .cse3) (and .cse0 .cse5 .cse2 .cse3 .cse4))) [2021-10-11 02:29:07,874 INFO L258 CegarLoopResult]: At program point L93-3(lines 88 96) the Hoare annotation is: false [2021-10-11 02:29:07,874 INFO L258 CegarLoopResult]: At program point L93-4(lines 88 96) the Hoare annotation is: false [2021-10-11 02:29:07,875 INFO L258 CegarLoopResult]: At program point L93-5(lines 88 96) the Hoare annotation is: false [2021-10-11 02:29:07,875 INFO L258 CegarLoopResult]: At program point L93-6(lines 88 96) the Hoare annotation is: false [2021-10-11 02:29:07,875 INFO L258 CegarLoopResult]: At program point L93-7(lines 88 96) the Hoare annotation is: false [2021-10-11 02:29:07,875 INFO L258 CegarLoopResult]: At program point L93-8(lines 88 96) the Hoare annotation is: false [2021-10-11 02:29:07,875 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:29:07,875 INFO L265 CegarLoopResult]: At program point L988(lines 969 991) the Hoare annotation is: true [2021-10-11 02:29:07,875 INFO L262 CegarLoopResult]: For program point L328(lines 328 345) no Hoare annotation was computed. [2021-10-11 02:29:07,875 INFO L262 CegarLoopResult]: For program point L328-1(lines 328 345) no Hoare annotation was computed. [2021-10-11 02:29:07,875 INFO L262 CegarLoopResult]: For program point L328-2(lines 328 345) no Hoare annotation was computed. [2021-10-11 02:29:07,875 INFO L262 CegarLoopResult]: For program point L163(lines 163 176) no Hoare annotation was computed. [2021-10-11 02:29:07,875 INFO L258 CegarLoopResult]: At program point L163-1(lines 1 991) the Hoare annotation is: (let ((.cse8 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse9 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse0 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0)) (.cse5 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse6 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse7 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 (not (= ~systemActive~0 (_ bv0 32))) .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse6 .cse4 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse6 .cse4) (and .cse8 .cse1 .cse5 .cse9 .cse6) (and .cse8 .cse1 .cse2 .cse9 .cse6) (and .cse0 .cse1 .cse5 .cse3 .cse6 .cse4) (and .cse1 .cse2 .cse6 .cse4 .cse7))) [2021-10-11 02:29:07,875 INFO L262 CegarLoopResult]: For program point L163-2(lines 163 176) no Hoare annotation was computed. [2021-10-11 02:29:07,875 INFO L258 CegarLoopResult]: At program point L163-3(lines 1 991) the Hoare annotation is: false [2021-10-11 02:29:07,875 INFO L262 CegarLoopResult]: For program point L163-4(lines 163 176) no Hoare annotation was computed. [2021-10-11 02:29:07,875 INFO L258 CegarLoopResult]: At program point L163-5(lines 1 991) the Hoare annotation is: false [2021-10-11 02:29:07,876 INFO L258 CegarLoopResult]: At program point L956(lines 952 958) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:29:07,876 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:29:07,876 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 185) no Hoare annotation was computed. [2021-10-11 02:29:07,876 INFO L258 CegarLoopResult]: At program point L892(lines 887 895) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:29:07,876 INFO L262 CegarLoopResult]: For program point L133(lines 133 139) no Hoare annotation was computed. [2021-10-11 02:29:07,876 INFO L262 CegarLoopResult]: For program point L133-1(lines 133 139) no Hoare annotation was computed. [2021-10-11 02:29:07,876 INFO L262 CegarLoopResult]: For program point L133-2(lines 133 139) no Hoare annotation was computed. [2021-10-11 02:29:07,876 INFO L262 CegarLoopResult]: For program point L133-3(lines 133 139) no Hoare annotation was computed. [2021-10-11 02:29:07,876 INFO L262 CegarLoopResult]: For program point L133-4(lines 133 139) no Hoare annotation was computed. [2021-10-11 02:29:07,876 INFO L262 CegarLoopResult]: For program point L133-5(lines 133 139) no Hoare annotation was computed. [2021-10-11 02:29:07,876 INFO L262 CegarLoopResult]: For program point L365(lines 365 371) no Hoare annotation was computed. [2021-10-11 02:29:07,876 INFO L262 CegarLoopResult]: For program point L332(lines 332 340) no Hoare annotation was computed. [2021-10-11 02:29:07,876 INFO L262 CegarLoopResult]: For program point L365-2(lines 365 371) no Hoare annotation was computed. [2021-10-11 02:29:07,876 INFO L262 CegarLoopResult]: For program point L332-1(lines 332 340) no Hoare annotation was computed. [2021-10-11 02:29:07,876 INFO L262 CegarLoopResult]: For program point L332-2(lines 332 340) no Hoare annotation was computed. [2021-10-11 02:29:07,876 INFO L262 CegarLoopResult]: For program point L233(lines 233 246) no Hoare annotation was computed. [2021-10-11 02:29:07,876 INFO L262 CegarLoopResult]: For program point L365-4(lines 365 371) no Hoare annotation was computed. [2021-10-11 02:29:07,877 INFO L262 CegarLoopResult]: For program point L167(lines 167 173) no Hoare annotation was computed. [2021-10-11 02:29:07,877 INFO L262 CegarLoopResult]: For program point L365-6(lines 365 371) no Hoare annotation was computed. [2021-10-11 02:29:07,877 INFO L262 CegarLoopResult]: For program point L167-2(lines 167 173) no Hoare annotation was computed. [2021-10-11 02:29:07,877 INFO L262 CegarLoopResult]: For program point L365-8(lines 365 371) no Hoare annotation was computed. [2021-10-11 02:29:07,877 INFO L262 CegarLoopResult]: For program point L68(lines 68 72) no Hoare annotation was computed. [2021-10-11 02:29:07,877 INFO L262 CegarLoopResult]: For program point L365-10(lines 365 371) no Hoare annotation was computed. [2021-10-11 02:29:07,877 INFO L262 CegarLoopResult]: For program point L167-4(lines 167 173) no Hoare annotation was computed. [2021-10-11 02:29:07,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:29:07 BoogieIcfgContainer [2021-10-11 02:29:07,955 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:29:07,956 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:29:07,956 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:29:07,956 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:29:07,957 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:28:37" (3/4) ... [2021-10-11 02:29:07,960 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:29:07,992 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:29:07,993 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:29:07,995 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:29:07,996 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:29:07,998 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:29:07,999 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:29:08,000 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:29:08,032 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((0bv32 == tmp && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && waterLevel == 2bv32) && \result == 0bv32) && methaneLevelCritical == 0bv32) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((0bv32 == tmp && splverifierCounter == 0bv32) && waterLevel == 2bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((0bv32 == tmp && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:29:08,032 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((0bv32 == tmp && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && waterLevel == 2bv32) && \result == 0bv32) && methaneLevelCritical == 0bv32) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((0bv32 == tmp && splverifierCounter == 0bv32) && waterLevel == 2bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((0bv32 == tmp && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:29:08,038 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && waterLevel == 2bv32) && \result == 0bv32) && methaneLevelCritical == 0bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) [2021-10-11 02:29:08,039 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && methaneLevelCritical == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) [2021-10-11 02:29:08,040 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && waterLevel == 2bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) [2021-10-11 02:29:08,040 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == \result) && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-11 02:29:08,045 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && tmp == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && methaneLevelCritical == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) || (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && tmp == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) [2021-10-11 02:29:08,049 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && waterLevel == 2bv32) && 0bv32 == pumpRunning) || ((((((tmp___0 == 0bv32 && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && methaneLevelCritical == 0bv32)) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32)) || ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && tmp___0 == 0bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) [2021-10-11 02:29:08,053 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && waterLevel == 2bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) [2021-10-11 02:29:08,053 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && waterLevel == 2bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) [2021-10-11 02:29:08,133 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b004aae0-9861-4a2f-aa01-a2a6fe33ee7e/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:29:08,133 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:29:08,134 INFO L168 Benchmark]: Toolchain (without parser) took 34379.36 ms. Allocated memory was 58.7 MB in the beginning and 264.2 MB in the end (delta: 205.5 MB). Free memory was 36.8 MB in the beginning and 110.1 MB in the end (delta: -73.3 MB). Peak memory consumption was 133.0 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:08,135 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 58.7 MB. Free memory was 40.1 MB in the beginning and 40.0 MB in the end (delta: 45.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:29:08,135 INFO L168 Benchmark]: CACSL2BoogieTranslator took 839.51 ms. Allocated memory was 58.7 MB in the beginning and 77.6 MB in the end (delta: 18.9 MB). Free memory was 36.6 MB in the beginning and 44.7 MB in the end (delta: -8.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:08,135 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.23 ms. Allocated memory is still 77.6 MB. Free memory was 44.7 MB in the beginning and 60.2 MB in the end (delta: -15.5 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:08,136 INFO L168 Benchmark]: Boogie Preprocessor took 91.24 ms. Allocated memory is still 77.6 MB. Free memory was 60.2 MB in the beginning and 57.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:08,136 INFO L168 Benchmark]: RCFGBuilder took 2587.25 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 57.2 MB in the beginning and 72.3 MB in the end (delta: -15.1 MB). Peak memory consumption was 27.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:08,137 INFO L168 Benchmark]: TraceAbstraction took 30556.12 ms. Allocated memory was 94.4 MB in the beginning and 264.2 MB in the end (delta: 169.9 MB). Free memory was 71.7 MB in the beginning and 121.6 MB in the end (delta: -49.9 MB). Peak memory consumption was 158.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:08,137 INFO L168 Benchmark]: Witness Printer took 177.72 ms. Allocated memory is still 264.2 MB. Free memory was 121.6 MB in the beginning and 110.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:08,140 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 58.7 MB. Free memory was 40.1 MB in the beginning and 40.0 MB in the end (delta: 45.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 839.51 ms. Allocated memory was 58.7 MB in the beginning and 77.6 MB in the end (delta: 18.9 MB). Free memory was 36.6 MB in the beginning and 44.7 MB in the end (delta: -8.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 111.23 ms. Allocated memory is still 77.6 MB. Free memory was 44.7 MB in the beginning and 60.2 MB in the end (delta: -15.5 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 91.24 ms. Allocated memory is still 77.6 MB. Free memory was 60.2 MB in the beginning and 57.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2587.25 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 57.2 MB in the beginning and 72.3 MB in the end (delta: -15.1 MB). Peak memory consumption was 27.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 30556.12 ms. Allocated memory was 94.4 MB in the beginning and 264.2 MB in the end (delta: 169.9 MB). Free memory was 71.7 MB in the beginning and 121.6 MB in the end (delta: -49.9 MB). Peak memory consumption was 158.9 MB. Max. memory is 16.1 GB. * Witness Printer took 177.72 ms. Allocated memory is still 264.2 MB. Free memory was 121.6 MB in the beginning and 110.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 185]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 185]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 185]: 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: 223]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32)) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32)) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && 0bv32 == pumpRunning)) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && waterLevel == 2bv32) - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32)) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32)) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 269]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 269]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 887]: Loop Invariant Derived loop invariant: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 269]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32)) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && methaneLevelCritical == 0bv32)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32)) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: ((((((((((0bv32 == tmp && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && waterLevel == 2bv32) && \result == 0bv32) && methaneLevelCritical == 0bv32) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((0bv32 == tmp && splverifierCounter == 0bv32) && waterLevel == 2bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((0bv32 == tmp && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && waterLevel == 2bv32) && 0bv32 == pumpRunning) || ((((((tmp___0 == 0bv32 && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && methaneLevelCritical == 0bv32)) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32)) || ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && tmp___0 == 0bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == \result) && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && tmp == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && methaneLevelCritical == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) || (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && tmp == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && waterLevel == 2bv32) && \result == 0bv32) && methaneLevelCritical == 0bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && waterLevel == 2bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && methaneLevelCritical == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32)) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32)) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && 0bv32 == pumpRunning)) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && waterLevel == 2bv32) - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32)) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && waterLevel == 2bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 979]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((0bv32 == tmp && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && waterLevel == 2bv32) && \result == 0bv32) && methaneLevelCritical == 0bv32) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((0bv32 == tmp && splverifierCounter == 0bv32) && waterLevel == 2bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((0bv32 == tmp && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && waterLevel == 2bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 137 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.8s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 7.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 14.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1608 SDtfs, 2424 SDslu, 2993 SDs, 0 SdLazy, 439 SolverSat, 88 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 733 GetRequests, 671 SyntacticMatches, 1 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=616occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 13 MinimizatonAttempts, 3389 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 295 NumberOfFragments, 1282 HoareAnnotationTreeSize, 56 FomulaSimplifications, 1783470 FormulaSimplificationTreeSizeReduction, 3.4s HoareSimplificationTime, 56 FomulaSimplificationsInter, 348061 FormulaSimplificationTreeSizeReductionInter, 11.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 543 NumberOfCodeBlocks, 543 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 693 ConstructedInterpolants, 0 QuantifiedInterpolants, 95596 SizeOfPredicates, 32 NumberOfNonLiveVariables, 3270 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 18 InterpolantComputations, 12 PerfectInterpolantSequences, 75/111 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...