./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product54.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product54.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE --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 af2afe79961dd67a52df68c35bd4350c760cf29ba0bba6313951f2194d2dea76 ............................................................................................................................................ 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_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product54.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE --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 af2afe79961dd67a52df68c35bd4350c760cf29ba0bba6313951f2194d2dea76 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 09:40:28,778 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 09:40:28,780 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 09:40:28,824 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 09:40:28,824 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 09:40:28,826 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 09:40:28,827 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 09:40:28,830 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 09:40:28,832 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 09:40:28,833 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 09:40:28,834 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 09:40:28,836 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 09:40:28,836 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 09:40:28,837 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 09:40:28,839 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 09:40:28,841 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 09:40:28,842 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 09:40:28,843 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 09:40:28,845 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 09:40:28,847 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 09:40:28,849 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 09:40:28,851 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 09:40:28,852 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 09:40:28,853 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 09:40:28,864 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 09:40:28,867 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 09:40:28,867 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 09:40:28,869 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 09:40:28,870 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 09:40:28,871 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 09:40:28,873 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 09:40:28,874 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 09:40:28,875 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 09:40:28,876 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 09:40:28,876 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 09:40:28,877 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 09:40:28,877 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 09:40:28,877 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 09:40:28,877 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 09:40:28,878 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 09:40:28,879 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 09:40:28,881 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 09:40:28,928 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 09:40:28,928 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 09:40:28,930 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 09:40:28,930 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 09:40:28,930 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 09:40:28,931 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 09:40:28,931 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 09:40:28,931 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 09:40:28,937 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 09:40:28,938 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 09:40:28,939 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 09:40:28,939 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 09:40:28,939 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 09:40:28,940 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 09:40:28,940 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 09:40:28,941 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 09:40:28,941 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 09:40:28,941 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 09:40:28,941 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 09:40:28,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 09:40:28,942 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 09:40:28,942 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 09:40:28,942 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 09:40:28,942 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 09:40:28,943 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 09:40:28,943 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 09:40:28,943 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 09:40:28,943 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 09:40:28,943 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 09:40:28,946 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 09:40:28,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 09:40:28,946 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 09:40:28,947 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 09:40:28,947 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 09:40:28,947 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 09:40:28,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 09:40:28,947 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 09:40:28,948 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 09:40:28,948 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 09:40:28,948 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_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af2afe79961dd67a52df68c35bd4350c760cf29ba0bba6313951f2194d2dea76 [2021-10-24 09:40:29,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 09:40:29,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 09:40:29,251 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 09:40:29,253 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 09:40:29,253 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 09:40:29,254 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec2_product54.cil.c [2021-10-24 09:40:29,329 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/data/388647f98/1897d5b25a5d4daab1aeb444de01e7dd/FLAG543cfe2a1 [2021-10-24 09:40:29,778 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 09:40:29,779 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/sv-benchmarks/c/product-lines/minepump_spec2_product54.cil.c [2021-10-24 09:40:29,794 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/data/388647f98/1897d5b25a5d4daab1aeb444de01e7dd/FLAG543cfe2a1 [2021-10-24 09:40:29,807 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/data/388647f98/1897d5b25a5d4daab1aeb444de01e7dd [2021-10-24 09:40:29,810 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 09:40:29,811 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 09:40:29,813 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 09:40:29,813 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 09:40:29,816 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 09:40:29,817 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:40:29" (1/1) ... [2021-10-24 09:40:29,818 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22982346 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:40:29, skipping insertion in model container [2021-10-24 09:40:29,818 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:40:29" (1/1) ... [2021-10-24 09:40:29,825 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 09:40:29,873 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 09:40:30,159 WARN L228 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_60116c09-690b-499c-941c-70f5a566e374/sv-benchmarks/c/product-lines/minepump_spec2_product54.cil.c[19335,19348] [2021-10-24 09:40:30,162 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 09:40:30,173 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) [2021-10-24 09:40:30,173 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2af46215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:40:30, skipping insertion in model container [2021-10-24 09:40:30,173 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 09:40:30,174 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 09:40:30,176 INFO L168 Benchmark]: Toolchain (without parser) took 363.48 ms. Allocated memory is still 109.1 MB. Free memory was 70.1 MB in the beginning and 79.0 MB in the end (delta: -9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 09:40:30,177 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 109.1 MB. Free memory was 87.5 MB in the beginning and 87.4 MB in the end (delta: 64.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 09:40:30,178 INFO L168 Benchmark]: CACSL2BoogieTranslator took 360.89 ms. Allocated memory is still 109.1 MB. Free memory was 69.9 MB in the beginning and 79.0 MB in the end (delta: -9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 09:40:30,180 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 109.1 MB. Free memory was 87.5 MB in the beginning and 87.4 MB in the end (delta: 64.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 360.89 ms. Allocated memory is still 109.1 MB. Free memory was 69.9 MB in the beginning and 79.0 MB in the end (delta: -9.1 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: 226]: 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 0.2.1-dev-e943c26 [2021-10-24 09:40:32,396 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 09:40:32,399 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 09:40:32,450 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 09:40:32,450 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 09:40:32,452 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 09:40:32,454 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 09:40:32,456 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 09:40:32,458 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 09:40:32,459 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 09:40:32,460 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 09:40:32,462 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 09:40:32,462 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 09:40:32,463 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 09:40:32,465 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 09:40:32,466 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 09:40:32,467 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 09:40:32,469 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 09:40:32,471 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 09:40:32,474 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 09:40:32,476 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 09:40:32,478 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 09:40:32,483 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 09:40:32,484 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 09:40:32,492 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 09:40:32,493 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 09:40:32,493 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 09:40:32,494 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 09:40:32,495 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 09:40:32,496 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 09:40:32,496 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 09:40:32,497 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 09:40:32,498 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 09:40:32,499 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 09:40:32,500 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 09:40:32,501 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 09:40:32,502 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 09:40:32,502 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 09:40:32,502 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 09:40:32,505 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 09:40:32,507 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 09:40:32,508 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 09:40:32,556 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 09:40:32,556 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 09:40:32,557 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 09:40:32,558 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 09:40:32,558 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 09:40:32,558 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 09:40:32,558 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 09:40:32,558 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 09:40:32,559 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 09:40:32,560 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 09:40:32,561 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 09:40:32,561 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 09:40:32,561 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 09:40:32,562 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 09:40:32,562 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 09:40:32,562 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 09:40:32,562 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 09:40:32,562 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 09:40:32,562 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 09:40:32,563 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 09:40:32,563 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 09:40:32,563 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 09:40:32,563 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 09:40:32,563 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 09:40:32,564 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 09:40:32,564 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 09:40:32,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 09:40:32,564 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 09:40:32,564 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 09:40:32,565 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 09:40:32,565 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 09:40:32,565 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 09:40:32,565 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 09:40:32,565 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 09:40:32,566 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 09:40:32,566 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_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af2afe79961dd67a52df68c35bd4350c760cf29ba0bba6313951f2194d2dea76 [2021-10-24 09:40:32,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 09:40:32,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 09:40:32,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 09:40:32,936 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 09:40:32,937 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 09:40:32,938 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec2_product54.cil.c [2021-10-24 09:40:33,007 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/data/8336f44ca/0912cda5cbed4efeae9cb83da09f10f3/FLAGe7408d9fe [2021-10-24 09:40:33,517 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 09:40:33,523 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/sv-benchmarks/c/product-lines/minepump_spec2_product54.cil.c [2021-10-24 09:40:33,542 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/data/8336f44ca/0912cda5cbed4efeae9cb83da09f10f3/FLAGe7408d9fe [2021-10-24 09:40:33,856 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/data/8336f44ca/0912cda5cbed4efeae9cb83da09f10f3 [2021-10-24 09:40:33,861 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 09:40:33,863 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 09:40:33,865 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 09:40:33,865 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 09:40:33,869 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 09:40:33,869 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:40:33" (1/1) ... [2021-10-24 09:40:33,871 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e95bf83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:40:33, skipping insertion in model container [2021-10-24 09:40:33,872 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:40:33" (1/1) ... [2021-10-24 09:40:33,880 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 09:40:33,947 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 09:40:34,324 WARN L228 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_60116c09-690b-499c-941c-70f5a566e374/sv-benchmarks/c/product-lines/minepump_spec2_product54.cil.c[19335,19348] [2021-10-24 09:40:34,326 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 09:40:34,338 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 09:40:34,348 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 09:40:34,409 WARN L228 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_60116c09-690b-499c-941c-70f5a566e374/sv-benchmarks/c/product-lines/minepump_spec2_product54.cil.c[19335,19348] [2021-10-24 09:40:34,412 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 09:40:34,420 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 09:40:34,530 WARN L228 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_60116c09-690b-499c-941c-70f5a566e374/sv-benchmarks/c/product-lines/minepump_spec2_product54.cil.c[19335,19348] [2021-10-24 09:40:34,530 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 09:40:34,550 INFO L208 MainTranslator]: Completed translation [2021-10-24 09:40:34,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:40:34 WrapperNode [2021-10-24 09:40:34,551 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 09:40:34,552 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 09:40:34,553 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 09:40:34,553 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 09:40:34,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:40:34" (1/1) ... [2021-10-24 09:40:34,579 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:40:34" (1/1) ... [2021-10-24 09:40:34,652 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 09:40:34,653 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 09:40:34,653 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 09:40:34,653 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 09:40:34,662 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:40:34" (1/1) ... [2021-10-24 09:40:34,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:40:34" (1/1) ... [2021-10-24 09:40:34,687 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:40:34" (1/1) ... [2021-10-24 09:40:34,687 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:40:34" (1/1) ... [2021-10-24 09:40:34,732 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:40:34" (1/1) ... [2021-10-24 09:40:34,746 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:40:34" (1/1) ... [2021-10-24 09:40:34,748 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:40:34" (1/1) ... [2021-10-24 09:40:34,754 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 09:40:34,755 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 09:40:34,771 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 09:40:34,771 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 09:40:34,772 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:40:34" (1/1) ... [2021-10-24 09:40:34,778 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 09:40:34,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 09:40:34,812 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 09:40:34,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 09:40:34,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 09:40:34,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 09:40:34,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 09:40:34,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 09:40:37,384 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 09:40:37,385 INFO L299 CfgBuilder]: Removed 280 assume(true) statements. [2021-10-24 09:40:37,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:40:37 BoogieIcfgContainer [2021-10-24 09:40:37,387 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 09:40:37,389 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 09:40:37,390 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 09:40:37,392 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 09:40:37,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 09:40:33" (1/3) ... [2021-10-24 09:40:37,393 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fe60aee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:40:37, skipping insertion in model container [2021-10-24 09:40:37,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:40:34" (2/3) ... [2021-10-24 09:40:37,394 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fe60aee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:40:37, skipping insertion in model container [2021-10-24 09:40:37,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:40:37" (3/3) ... [2021-10-24 09:40:37,395 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product54.cil.c [2021-10-24 09:40:37,401 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 09:40:37,401 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-24 09:40:37,450 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 09:40:37,456 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-24 09:40:37,456 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-24 09:40:37,475 INFO L276 IsEmpty]: Start isEmpty. Operand has 193 states, 189 states have (on average 1.560846560846561) internal successors, (295), 192 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:40:37,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-24 09:40:37,481 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:40:37,482 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:40:37,482 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 09:40:37,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:40:37,488 INFO L82 PathProgramCache]: Analyzing trace with hash -1825990556, now seen corresponding path program 1 times [2021-10-24 09:40:37,500 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:40:37,501 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1638632508] [2021-10-24 09:40:37,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:40:37,502 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:40:37,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:40:37,509 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:40:37,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 09:40:37,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:40:37,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-24 09:40:37,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:40:37,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:40:37,809 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:40:37,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:40:37,858 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:40:37,859 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1638632508] [2021-10-24 09:40:37,859 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1638632508] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:40:37,859 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:40:37,860 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 09:40:37,861 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94686969] [2021-10-24 09:40:37,866 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 09:40:37,866 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:40:37,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 09:40:37,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 09:40:37,882 INFO L87 Difference]: Start difference. First operand has 193 states, 189 states have (on average 1.560846560846561) internal successors, (295), 192 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:40:37,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:40:37,920 INFO L93 Difference]: Finished difference Result 379 states and 582 transitions. [2021-10-24 09:40:37,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 09:40:37,921 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-24 09:40:37,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:40:37,933 INFO L225 Difference]: With dead ends: 379 [2021-10-24 09:40:37,933 INFO L226 Difference]: Without dead ends: 189 [2021-10-24 09:40:37,937 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 09:40:37,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2021-10-24 09:40:37,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2021-10-24 09:40:37,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 186 states have (on average 1.521505376344086) internal successors, (283), 188 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:40:37,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 283 transitions. [2021-10-24 09:40:37,986 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 283 transitions. Word has length 18 [2021-10-24 09:40:37,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:40:37,986 INFO L470 AbstractCegarLoop]: Abstraction has 189 states and 283 transitions. [2021-10-24 09:40:37,986 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:40:37,987 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 283 transitions. [2021-10-24 09:40:37,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-24 09:40:37,988 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:40:37,988 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:40:38,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-24 09:40:38,201 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:40:38,201 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 09:40:38,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:40:38,202 INFO L82 PathProgramCache]: Analyzing trace with hash -2044826525, now seen corresponding path program 1 times [2021-10-24 09:40:38,203 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:40:38,203 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [66664126] [2021-10-24 09:40:38,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:40:38,204 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:40:38,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:40:38,205 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:40:38,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 09:40:38,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:40:38,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 09:40:38,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:40:38,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:40:38,455 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:40:38,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:40:38,509 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:40:38,510 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [66664126] [2021-10-24 09:40:38,510 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [66664126] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:40:38,510 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:40:38,510 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 09:40:38,511 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935986425] [2021-10-24 09:40:38,512 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 09:40:38,512 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:40:38,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 09:40:38,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 09:40:38,513 INFO L87 Difference]: Start difference. First operand 189 states and 283 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:40:38,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:40:38,531 INFO L93 Difference]: Finished difference Result 189 states and 283 transitions. [2021-10-24 09:40:38,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 09:40:38,532 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-24 09:40:38,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:40:38,533 INFO L225 Difference]: With dead ends: 189 [2021-10-24 09:40:38,534 INFO L226 Difference]: Without dead ends: 73 [2021-10-24 09:40:38,535 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 09:40:38,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-10-24 09:40:38,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-10-24 09:40:38,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 72 states have (on average 1.5) internal successors, (108), 72 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:40:38,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 108 transitions. [2021-10-24 09:40:38,542 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 108 transitions. Word has length 19 [2021-10-24 09:40:38,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:40:38,543 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 108 transitions. [2021-10-24 09:40:38,543 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:40:38,543 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 108 transitions. [2021-10-24 09:40:38,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-24 09:40:38,544 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:40:38,544 INFO L512 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] [2021-10-24 09:40:38,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-24 09:40:38,756 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:40:38,757 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 09:40:38,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:40:38,757 INFO L82 PathProgramCache]: Analyzing trace with hash 2130030647, now seen corresponding path program 1 times [2021-10-24 09:40:38,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:40:38,758 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [826870367] [2021-10-24 09:40:38,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:40:38,759 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:40:38,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:40:38,760 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:40:38,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-24 09:40:38,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:40:38,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 09:40:38,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:40:39,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:40:39,043 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:40:39,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:40:39,117 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:40:39,118 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [826870367] [2021-10-24 09:40:39,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [826870367] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:40:39,118 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:40:39,118 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 09:40:39,119 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161090627] [2021-10-24 09:40:39,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 09:40:39,120 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:40:39,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 09:40:39,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 09:40:39,124 INFO L87 Difference]: Start difference. First operand 73 states and 108 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:40:39,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:40:39,174 INFO L93 Difference]: Finished difference Result 139 states and 209 transitions. [2021-10-24 09:40:39,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 09:40:39,175 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-24 09:40:39,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:40:39,176 INFO L225 Difference]: With dead ends: 139 [2021-10-24 09:40:39,176 INFO L226 Difference]: Without dead ends: 73 [2021-10-24 09:40:39,178 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 09:40:39,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-10-24 09:40:39,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-10-24 09:40:39,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 72 states have (on average 1.4861111111111112) internal successors, (107), 72 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:40:39,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 107 transitions. [2021-10-24 09:40:39,187 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 107 transitions. Word has length 24 [2021-10-24 09:40:39,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:40:39,188 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 107 transitions. [2021-10-24 09:40:39,189 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:40:39,189 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 107 transitions. [2021-10-24 09:40:39,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-24 09:40:39,192 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:40:39,192 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:40:39,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-24 09:40:39,405 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:40:39,405 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 09:40:39,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:40:39,406 INFO L82 PathProgramCache]: Analyzing trace with hash 1328729652, now seen corresponding path program 1 times [2021-10-24 09:40:39,406 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:40:39,407 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2051061421] [2021-10-24 09:40:39,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:40:39,407 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:40:39,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:40:39,408 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:40:39,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-24 09:40:39,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:40:39,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 09:40:39,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:40:39,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:40:39,703 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:40:39,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:40:39,779 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:40:39,779 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2051061421] [2021-10-24 09:40:39,780 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2051061421] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:40:39,780 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:40:39,780 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-24 09:40:39,780 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289826493] [2021-10-24 09:40:39,781 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 09:40:39,781 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:40:39,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 09:40:39,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 09:40:39,782 INFO L87 Difference]: Start difference. First operand 73 states and 107 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:40:39,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:40:39,841 INFO L93 Difference]: Finished difference Result 149 states and 221 transitions. [2021-10-24 09:40:39,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 09:40:39,842 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-10-24 09:40:39,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:40:39,843 INFO L225 Difference]: With dead ends: 149 [2021-10-24 09:40:39,843 INFO L226 Difference]: Without dead ends: 83 [2021-10-24 09:40:39,844 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 09:40:39,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-10-24 09:40:39,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 81. [2021-10-24 09:40:39,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 80 states have (on average 1.4375) internal successors, (115), 80 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:40:39,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 115 transitions. [2021-10-24 09:40:39,853 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 115 transitions. Word has length 27 [2021-10-24 09:40:39,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:40:39,854 INFO L470 AbstractCegarLoop]: Abstraction has 81 states and 115 transitions. [2021-10-24 09:40:39,854 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:40:39,854 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 115 transitions. [2021-10-24 09:40:39,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-24 09:40:39,855 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:40:39,855 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:40:39,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-24 09:40:40,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:40:40,068 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 09:40:40,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:40:40,068 INFO L82 PathProgramCache]: Analyzing trace with hash 1714317344, now seen corresponding path program 1 times [2021-10-24 09:40:40,069 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:40:40,069 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [513818772] [2021-10-24 09:40:40,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:40:40,069 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:40:40,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:40:40,070 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:40:40,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-24 09:40:40,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:40:40,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 09:40:40,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:40:40,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:40:40,447 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:40:40,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:40:40,561 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:40:40,561 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [513818772] [2021-10-24 09:40:40,561 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [513818772] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:40:40,562 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:40:40,562 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-24 09:40:40,562 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273017591] [2021-10-24 09:40:40,562 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 09:40:40,562 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:40:40,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 09:40:40,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 09:40:40,563 INFO L87 Difference]: Start difference. First operand 81 states and 115 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:40:40,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:40:40,739 INFO L93 Difference]: Finished difference Result 385 states and 558 transitions. [2021-10-24 09:40:40,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-24 09:40:40,740 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-24 09:40:40,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:40:40,742 INFO L225 Difference]: With dead ends: 385 [2021-10-24 09:40:40,742 INFO L226 Difference]: Without dead ends: 311 [2021-10-24 09:40:40,743 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 63.6ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-24 09:40:40,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2021-10-24 09:40:40,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 147. [2021-10-24 09:40:40,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 146 states have (on average 1.4246575342465753) internal successors, (208), 146 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:40:40,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 208 transitions. [2021-10-24 09:40:40,776 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 208 transitions. Word has length 33 [2021-10-24 09:40:40,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:40:40,777 INFO L470 AbstractCegarLoop]: Abstraction has 147 states and 208 transitions. [2021-10-24 09:40:40,777 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:40:40,777 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 208 transitions. [2021-10-24 09:40:40,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-24 09:40:40,779 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:40:40,779 INFO L512 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] [2021-10-24 09:40:40,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-24 09:40:40,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:40:40,980 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 09:40:40,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:40:40,980 INFO L82 PathProgramCache]: Analyzing trace with hash 1709464728, now seen corresponding path program 1 times [2021-10-24 09:40:40,981 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:40:40,981 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [277590671] [2021-10-24 09:40:40,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:40:40,981 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:40:40,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:40:40,982 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:40:40,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-24 09:40:41,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:40:41,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 09:40:41,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:40:41,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:40:41,331 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:40:41,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:40:41,448 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:40:41,448 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [277590671] [2021-10-24 09:40:41,448 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [277590671] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:40:41,448 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:40:41,448 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 09:40:41,449 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030315678] [2021-10-24 09:40:41,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 09:40:41,449 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:40:41,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 09:40:41,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 09:40:41,450 INFO L87 Difference]: Start difference. First operand 147 states and 208 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:40:41,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:40:41,640 INFO L93 Difference]: Finished difference Result 550 states and 785 transitions. [2021-10-24 09:40:41,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-24 09:40:41,641 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-24 09:40:41,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:40:41,644 INFO L225 Difference]: With dead ends: 550 [2021-10-24 09:40:41,645 INFO L226 Difference]: Without dead ends: 410 [2021-10-24 09:40:41,645 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 56.9ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-24 09:40:41,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2021-10-24 09:40:41,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 146. [2021-10-24 09:40:41,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 145 states have (on average 1.4137931034482758) internal successors, (205), 145 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:40:41,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 205 transitions. [2021-10-24 09:40:41,669 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 205 transitions. Word has length 34 [2021-10-24 09:40:41,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:40:41,669 INFO L470 AbstractCegarLoop]: Abstraction has 146 states and 205 transitions. [2021-10-24 09:40:41,669 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:40:41,670 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 205 transitions. [2021-10-24 09:40:41,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-24 09:40:41,671 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:40:41,671 INFO L512 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] [2021-10-24 09:40:41,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-24 09:40:41,883 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:40:41,885 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 09:40:41,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:40:41,885 INFO L82 PathProgramCache]: Analyzing trace with hash 776001019, now seen corresponding path program 1 times [2021-10-24 09:40:41,886 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:40:41,886 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1492460920] [2021-10-24 09:40:41,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:40:41,886 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:40:41,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:40:41,887 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:40:41,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-24 09:40:42,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:40:42,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 09:40:42,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:40:42,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:40:42,237 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:40:42,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:40:42,315 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:40:42,315 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1492460920] [2021-10-24 09:40:42,315 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1492460920] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:40:42,315 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:40:42,316 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 09:40:42,316 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973916559] [2021-10-24 09:40:42,316 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 09:40:42,317 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:40:42,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 09:40:42,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 09:40:42,319 INFO L87 Difference]: Start difference. First operand 146 states and 205 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:40:42,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:40:42,426 INFO L93 Difference]: Finished difference Result 381 states and 529 transitions. [2021-10-24 09:40:42,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 09:40:42,427 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-24 09:40:42,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:40:42,429 INFO L225 Difference]: With dead ends: 381 [2021-10-24 09:40:42,429 INFO L226 Difference]: Without dead ends: 242 [2021-10-24 09:40:42,430 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 32.2ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 09:40:42,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2021-10-24 09:40:42,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 164. [2021-10-24 09:40:42,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 163 states have (on average 1.3680981595092025) internal successors, (223), 163 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:40:42,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 223 transitions. [2021-10-24 09:40:42,454 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 223 transitions. Word has length 34 [2021-10-24 09:40:42,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:40:42,455 INFO L470 AbstractCegarLoop]: Abstraction has 164 states and 223 transitions. [2021-10-24 09:40:42,455 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:40:42,455 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 223 transitions. [2021-10-24 09:40:42,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-24 09:40:42,457 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:40:42,457 INFO L512 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] [2021-10-24 09:40:42,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-24 09:40:42,669 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:40:42,669 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 09:40:42,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:40:42,669 INFO L82 PathProgramCache]: Analyzing trace with hash 1477065597, now seen corresponding path program 1 times [2021-10-24 09:40:42,670 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:40:42,670 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1181394612] [2021-10-24 09:40:42,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:40:42,671 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:40:42,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:40:42,672 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:40:42,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-24 09:40:42,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:40:42,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-24 09:40:42,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:40:43,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:40:43,049 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:40:43,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:40:43,138 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:40:43,138 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1181394612] [2021-10-24 09:40:43,139 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1181394612] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:40:43,139 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:40:43,139 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-24 09:40:43,139 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286959630] [2021-10-24 09:40:43,140 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-24 09:40:43,140 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:40:43,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-24 09:40:43,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-24 09:40:43,141 INFO L87 Difference]: Start difference. First operand 164 states and 223 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:40:43,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:40:43,223 INFO L93 Difference]: Finished difference Result 431 states and 579 transitions. [2021-10-24 09:40:43,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 09:40:43,224 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-24 09:40:43,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:40:43,226 INFO L225 Difference]: With dead ends: 431 [2021-10-24 09:40:43,226 INFO L226 Difference]: Without dead ends: 274 [2021-10-24 09:40:43,227 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 26.0ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 09:40:43,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2021-10-24 09:40:43,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 176. [2021-10-24 09:40:43,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 175 states have (on average 1.3428571428571427) internal successors, (235), 175 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:40:43,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 235 transitions. [2021-10-24 09:40:43,265 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 235 transitions. Word has length 34 [2021-10-24 09:40:43,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:40:43,266 INFO L470 AbstractCegarLoop]: Abstraction has 176 states and 235 transitions. [2021-10-24 09:40:43,267 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:40:43,267 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 235 transitions. [2021-10-24 09:40:43,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-24 09:40:43,270 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:40:43,270 INFO L512 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] [2021-10-24 09:40:43,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-24 09:40:43,475 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:40:43,476 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 09:40:43,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:40:43,476 INFO L82 PathProgramCache]: Analyzing trace with hash 890259583, now seen corresponding path program 1 times [2021-10-24 09:40:43,477 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:40:43,477 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1576336478] [2021-10-24 09:40:43,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:40:43,477 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:40:43,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:40:43,479 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:40:43,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-24 09:40:43,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:40:43,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 09:40:43,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:40:43,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:40:43,907 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:40:44,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:40:44,010 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:40:44,010 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1576336478] [2021-10-24 09:40:44,010 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1576336478] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:40:44,010 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:40:44,011 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-24 09:40:44,011 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247037609] [2021-10-24 09:40:44,011 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 09:40:44,011 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:40:44,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 09:40:44,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 09:40:44,012 INFO L87 Difference]: Start difference. First operand 176 states and 235 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:40:44,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:40:44,094 INFO L93 Difference]: Finished difference Result 524 states and 703 transitions. [2021-10-24 09:40:44,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 09:40:44,094 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-24 09:40:44,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:40:44,097 INFO L225 Difference]: With dead ends: 524 [2021-10-24 09:40:44,097 INFO L226 Difference]: Without dead ends: 355 [2021-10-24 09:40:44,098 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 09:40:44,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2021-10-24 09:40:44,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 301. [2021-10-24 09:40:44,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 300 states have (on average 1.3266666666666667) internal successors, (398), 300 states have internal predecessors, (398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:40:44,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 398 transitions. [2021-10-24 09:40:44,132 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 398 transitions. Word has length 34 [2021-10-24 09:40:44,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:40:44,132 INFO L470 AbstractCegarLoop]: Abstraction has 301 states and 398 transitions. [2021-10-24 09:40:44,133 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:40:44,139 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 398 transitions. [2021-10-24 09:40:44,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-24 09:40:44,143 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:40:44,144 INFO L512 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] [2021-10-24 09:40:44,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-24 09:40:44,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:40:44,351 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 09:40:44,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:40:44,352 INFO L82 PathProgramCache]: Analyzing trace with hash -505686593, now seen corresponding path program 1 times [2021-10-24 09:40:44,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:40:44,353 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [713916988] [2021-10-24 09:40:44,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:40:44,353 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:40:44,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:40:44,354 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:40:44,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-24 09:40:44,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:40:44,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 09:40:44,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:40:44,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:40:44,734 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:40:44,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:40:44,836 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:40:44,836 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [713916988] [2021-10-24 09:40:44,836 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [713916988] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:40:44,836 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:40:44,836 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-24 09:40:44,837 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095772613] [2021-10-24 09:40:44,837 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 09:40:44,837 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:40:44,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 09:40:44,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 09:40:44,837 INFO L87 Difference]: Start difference. First operand 301 states and 398 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:40:44,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:40:44,914 INFO L93 Difference]: Finished difference Result 531 states and 700 transitions. [2021-10-24 09:40:44,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 09:40:44,914 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-10-24 09:40:44,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:40:44,918 INFO L225 Difference]: With dead ends: 531 [2021-10-24 09:40:44,918 INFO L226 Difference]: Without dead ends: 529 [2021-10-24 09:40:44,918 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 09:40:44,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2021-10-24 09:40:44,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 386. [2021-10-24 09:40:44,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 385 states have (on average 1.3584415584415583) internal successors, (523), 385 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:40:44,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 523 transitions. [2021-10-24 09:40:44,973 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 523 transitions. Word has length 35 [2021-10-24 09:40:44,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:40:44,973 INFO L470 AbstractCegarLoop]: Abstraction has 386 states and 523 transitions. [2021-10-24 09:40:44,973 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:40:44,973 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 523 transitions. [2021-10-24 09:40:44,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-10-24 09:40:44,975 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:40:44,975 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:40:44,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-24 09:40:45,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:40:45,188 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 09:40:45,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:40:45,188 INFO L82 PathProgramCache]: Analyzing trace with hash 680815253, now seen corresponding path program 1 times [2021-10-24 09:40:45,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:40:45,189 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [104125514] [2021-10-24 09:40:45,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:40:45,189 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:40:45,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:40:45,190 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:40:45,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-24 09:40:45,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:40:45,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 09:40:45,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:40:45,639 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:40:45,639 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:40:45,813 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:40:45,813 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:40:45,813 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [104125514] [2021-10-24 09:40:45,813 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [104125514] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:40:45,813 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:40:45,814 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 09:40:45,814 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68326045] [2021-10-24 09:40:45,814 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 09:40:45,814 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:40:45,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 09:40:45,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 09:40:45,815 INFO L87 Difference]: Start difference. First operand 386 states and 523 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:40:47,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:40:47,932 INFO L93 Difference]: Finished difference Result 678 states and 931 transitions. [2021-10-24 09:40:47,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 09:40:47,932 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2021-10-24 09:40:47,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:40:47,934 INFO L225 Difference]: With dead ends: 678 [2021-10-24 09:40:47,935 INFO L226 Difference]: Without dead ends: 299 [2021-10-24 09:40:47,935 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 09:40:47,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2021-10-24 09:40:47,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 299. [2021-10-24 09:40:47,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 298 states have (on average 1.3120805369127517) internal successors, (391), 298 states have internal predecessors, (391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:40:47,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 391 transitions. [2021-10-24 09:40:47,977 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 391 transitions. Word has length 60 [2021-10-24 09:40:47,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:40:47,978 INFO L470 AbstractCegarLoop]: Abstraction has 299 states and 391 transitions. [2021-10-24 09:40:47,978 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:40:47,979 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 391 transitions. [2021-10-24 09:40:47,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-10-24 09:40:47,980 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:40:47,980 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:40:47,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-10-24 09:40:48,193 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:40:48,194 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 09:40:48,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:40:48,195 INFO L82 PathProgramCache]: Analyzing trace with hash 774803910, now seen corresponding path program 1 times [2021-10-24 09:40:48,195 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:40:48,195 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [845250909] [2021-10-24 09:40:48,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:40:48,196 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:40:48,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:40:48,197 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:40:48,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-10-24 09:40:48,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:40:48,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-24 09:40:48,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:40:48,730 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 09:40:48,731 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:40:48,978 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 09:40:48,979 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:40:48,979 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [845250909] [2021-10-24 09:40:48,979 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [845250909] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:40:48,979 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:40:48,979 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-10-24 09:40:48,979 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749310669] [2021-10-24 09:40:48,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-24 09:40:48,980 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:40:48,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-24 09:40:48,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-10-24 09:40:48,981 INFO L87 Difference]: Start difference. First operand 299 states and 391 transitions. Second operand has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:40:51,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:40:51,535 INFO L93 Difference]: Finished difference Result 952 states and 1232 transitions. [2021-10-24 09:40:51,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-24 09:40:51,536 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2021-10-24 09:40:51,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:40:51,536 INFO L225 Difference]: With dead ends: 952 [2021-10-24 09:40:51,537 INFO L226 Difference]: Without dead ends: 0 [2021-10-24 09:40:51,538 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 134.5ms TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2021-10-24 09:40:51,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-24 09:40:51,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-24 09:40:51,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:40:51,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-24 09:40:51,539 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2021-10-24 09:40:51,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:40:51,539 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-24 09:40:51,539 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:40:51,540 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-24 09:40:51,540 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-24 09:40:51,542 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 09:40:51,543 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 09:40:51,543 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 09:40:51,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-10-24 09:40:51,755 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:40:51,757 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-24 09:40:51,761 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:51,782 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:51,783 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:51,785 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:51,989 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:51,990 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:51,991 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:51,991 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:51,992 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:51,992 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:51,993 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:51,994 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:51,995 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:51,995 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:51,996 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:51,997 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:51,997 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:52,228 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:52,229 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:52,230 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:52,230 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:52,231 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:52,231 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:52,232 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:52,232 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:52,233 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:52,233 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:52,300 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:52,301 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:52,421 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:52,422 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:52,422 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:52,567 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:52,568 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:52,568 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:52,569 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:52,569 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:52,570 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:52,570 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:52,571 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:52,571 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:52,572 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:52,572 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:52,573 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:52,573 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:52,594 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:52,594 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:52,595 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:52,595 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:52,596 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:52,656 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:52,664 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:52,676 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:52,677 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:52,678 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:52,678 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:52,679 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:52,698 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:52,699 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:52,699 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:52,700 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:52,700 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:52,700 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:52,701 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:52,891 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:52,899 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:52,900 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:52,959 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:40:57,602 INFO L857 garLoopResultBuilder]: For program point L729(lines 729 746) no Hoare annotation was computed. [2021-10-24 09:40:57,602 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 1012) no Hoare annotation was computed. [2021-10-24 09:40:57,602 INFO L857 garLoopResultBuilder]: For program point L729-1(lines 729 746) no Hoare annotation was computed. [2021-10-24 09:40:57,602 INFO L857 garLoopResultBuilder]: For program point L729-2(lines 729 746) no Hoare annotation was computed. [2021-10-24 09:40:57,602 INFO L853 garLoopResultBuilder]: At program point L995(lines 1 1015) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 09:40:57,602 INFO L857 garLoopResultBuilder]: For program point L831(lines 831 835) no Hoare annotation was computed. [2021-10-24 09:40:57,602 INFO L857 garLoopResultBuilder]: For program point L831-2(lines 831 835) no Hoare annotation was computed. [2021-10-24 09:40:57,602 INFO L857 garLoopResultBuilder]: For program point L831-3(lines 831 835) no Hoare annotation was computed. [2021-10-24 09:40:57,602 INFO L857 garLoopResultBuilder]: For program point L831-5(lines 831 835) no Hoare annotation was computed. [2021-10-24 09:40:57,603 INFO L857 garLoopResultBuilder]: For program point L831-6(lines 831 835) no Hoare annotation was computed. [2021-10-24 09:40:57,603 INFO L857 garLoopResultBuilder]: For program point L831-8(lines 831 835) no Hoare annotation was computed. [2021-10-24 09:40:57,603 INFO L857 garLoopResultBuilder]: For program point L831-9(lines 831 835) no Hoare annotation was computed. [2021-10-24 09:40:57,603 INFO L857 garLoopResultBuilder]: For program point L831-11(lines 831 835) no Hoare annotation was computed. [2021-10-24 09:40:57,603 INFO L857 garLoopResultBuilder]: For program point L831-12(lines 831 835) no Hoare annotation was computed. [2021-10-24 09:40:57,603 INFO L857 garLoopResultBuilder]: For program point L831-14(lines 831 835) no Hoare annotation was computed. [2021-10-24 09:40:57,603 INFO L857 garLoopResultBuilder]: For program point L831-15(lines 831 835) no Hoare annotation was computed. [2021-10-24 09:40:57,603 INFO L857 garLoopResultBuilder]: For program point L831-17(lines 831 835) no Hoare annotation was computed. [2021-10-24 09:40:57,603 INFO L857 garLoopResultBuilder]: For program point L831-18(lines 831 835) no Hoare annotation was computed. [2021-10-24 09:40:57,603 INFO L857 garLoopResultBuilder]: For program point L831-20(lines 831 835) no Hoare annotation was computed. [2021-10-24 09:40:57,603 INFO L857 garLoopResultBuilder]: For program point L831-21(lines 831 835) no Hoare annotation was computed. [2021-10-24 09:40:57,603 INFO L857 garLoopResultBuilder]: For program point L831-23(lines 831 835) no Hoare annotation was computed. [2021-10-24 09:40:57,603 INFO L857 garLoopResultBuilder]: For program point L831-24(lines 831 835) no Hoare annotation was computed. [2021-10-24 09:40:57,603 INFO L857 garLoopResultBuilder]: For program point L831-26(lines 831 835) no Hoare annotation was computed. [2021-10-24 09:40:57,604 INFO L857 garLoopResultBuilder]: For program point L831-27(lines 831 835) no Hoare annotation was computed. [2021-10-24 09:40:57,604 INFO L857 garLoopResultBuilder]: For program point L831-29(lines 831 835) no Hoare annotation was computed. [2021-10-24 09:40:57,604 INFO L857 garLoopResultBuilder]: For program point L831-30(lines 831 835) no Hoare annotation was computed. [2021-10-24 09:40:57,604 INFO L857 garLoopResultBuilder]: For program point L831-32(lines 831 835) no Hoare annotation was computed. [2021-10-24 09:40:57,604 INFO L857 garLoopResultBuilder]: For program point L831-33(lines 831 835) no Hoare annotation was computed. [2021-10-24 09:40:57,604 INFO L857 garLoopResultBuilder]: For program point L733(lines 733 741) no Hoare annotation was computed. [2021-10-24 09:40:57,604 INFO L857 garLoopResultBuilder]: For program point L733-1(lines 733 741) no Hoare annotation was computed. [2021-10-24 09:40:57,604 INFO L857 garLoopResultBuilder]: For program point L831-35(lines 831 835) no Hoare annotation was computed. [2021-10-24 09:40:57,605 INFO L857 garLoopResultBuilder]: For program point L733-2(lines 733 741) no Hoare annotation was computed. [2021-10-24 09:40:57,605 INFO L857 garLoopResultBuilder]: For program point L900(lines 900 904) no Hoare annotation was computed. [2021-10-24 09:40:57,605 INFO L857 garLoopResultBuilder]: For program point L703(lines 703 720) no Hoare annotation was computed. [2021-10-24 09:40:57,605 INFO L857 garLoopResultBuilder]: For program point L703-1(lines 703 720) no Hoare annotation was computed. [2021-10-24 09:40:57,605 INFO L857 garLoopResultBuilder]: For program point L703-2(lines 703 720) no Hoare annotation was computed. [2021-10-24 09:40:57,605 INFO L857 garLoopResultBuilder]: For program point L703-3(lines 703 720) no Hoare annotation was computed. [2021-10-24 09:40:57,605 INFO L857 garLoopResultBuilder]: For program point L703-4(lines 703 720) no Hoare annotation was computed. [2021-10-24 09:40:57,606 INFO L857 garLoopResultBuilder]: For program point L703-5(lines 703 720) no Hoare annotation was computed. [2021-10-24 09:40:57,606 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 1012) no Hoare annotation was computed. [2021-10-24 09:40:57,606 INFO L857 garLoopResultBuilder]: For program point L142(lines 142 149) no Hoare annotation was computed. [2021-10-24 09:40:57,606 INFO L860 garLoopResultBuilder]: At program point L142-1(lines 142 149) the Hoare annotation is: true [2021-10-24 09:40:57,606 INFO L853 garLoopResultBuilder]: At program point L968(lines 963 971) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32))) [2021-10-24 09:40:57,606 INFO L853 garLoopResultBuilder]: At program point L968-1(lines 963 971) the Hoare annotation is: false [2021-10-24 09:40:57,607 INFO L853 garLoopResultBuilder]: At program point L968-2(lines 963 971) the Hoare annotation is: false [2021-10-24 09:40:57,607 INFO L853 garLoopResultBuilder]: At program point L968-3(lines 963 971) the Hoare annotation is: false [2021-10-24 09:40:57,607 INFO L853 garLoopResultBuilder]: At program point L968-4(lines 963 971) the Hoare annotation is: false [2021-10-24 09:40:57,607 INFO L853 garLoopResultBuilder]: At program point L968-5(lines 963 971) the Hoare annotation is: false [2021-10-24 09:40:57,607 INFO L857 garLoopResultBuilder]: For program point L605(lines 605 618) no Hoare annotation was computed. [2021-10-24 09:40:57,607 INFO L857 garLoopResultBuilder]: For program point L176(lines 176 193) no Hoare annotation was computed. [2021-10-24 09:40:57,608 INFO L853 garLoopResultBuilder]: At program point L176-1(lines 1 1015) the Hoare annotation is: (let ((.cse1 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse7 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse1 .cse7 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~1) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2) (and .cse0 .cse1 .cse7 .cse2 .cse5) (and .cse0 .cse6 .cse2 .cse3 .cse4))) [2021-10-24 09:40:57,608 INFO L857 garLoopResultBuilder]: For program point L176-2(lines 176 193) no Hoare annotation was computed. [2021-10-24 09:40:57,608 INFO L853 garLoopResultBuilder]: At program point L176-3(lines 1 1015) the Hoare annotation is: false [2021-10-24 09:40:57,608 INFO L857 garLoopResultBuilder]: For program point L176-4(lines 176 193) no Hoare annotation was computed. [2021-10-24 09:40:57,608 INFO L853 garLoopResultBuilder]: At program point L176-5(lines 1 1015) the Hoare annotation is: false [2021-10-24 09:40:57,608 INFO L853 garLoopResultBuilder]: At program point L837(lines 822 840) the Hoare annotation is: false [2021-10-24 09:40:57,608 INFO L853 garLoopResultBuilder]: At program point L837-1(lines 822 840) the Hoare annotation is: false [2021-10-24 09:40:57,609 INFO L853 garLoopResultBuilder]: At program point L837-2(lines 822 840) the Hoare annotation is: false [2021-10-24 09:40:57,609 INFO L853 garLoopResultBuilder]: At program point L837-3(lines 822 840) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2) (and .cse0 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse1 .cse3 .cse2) (and .cse0 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv0 32))) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) .cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv0 32)) .cse2))) [2021-10-24 09:40:57,609 INFO L853 garLoopResultBuilder]: At program point L837-4(lines 822 840) the Hoare annotation is: false [2021-10-24 09:40:57,609 INFO L853 garLoopResultBuilder]: At program point L837-5(lines 822 840) the Hoare annotation is: false [2021-10-24 09:40:57,609 INFO L853 garLoopResultBuilder]: At program point L837-6(lines 822 840) the Hoare annotation is: false [2021-10-24 09:40:57,609 INFO L853 garLoopResultBuilder]: At program point L837-7(lines 822 840) the Hoare annotation is: false [2021-10-24 09:40:57,610 INFO L853 garLoopResultBuilder]: At program point L837-8(lines 822 840) the Hoare annotation is: false [2021-10-24 09:40:57,610 INFO L853 garLoopResultBuilder]: At program point L837-9(lines 822 840) the Hoare annotation is: false [2021-10-24 09:40:57,610 INFO L853 garLoopResultBuilder]: At program point L837-10(lines 822 840) the Hoare annotation is: false [2021-10-24 09:40:57,610 INFO L853 garLoopResultBuilder]: At program point L837-11(lines 822 840) the Hoare annotation is: false [2021-10-24 09:40:57,610 INFO L853 garLoopResultBuilder]: At program point L1003(lines 998 1006) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 09:40:57,610 INFO L853 garLoopResultBuilder]: At program point L773(lines 766 776) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) .cse2 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2))) [2021-10-24 09:40:57,611 INFO L853 garLoopResultBuilder]: At program point L773-1(lines 766 776) the Hoare annotation is: false [2021-10-24 09:40:57,611 INFO L857 garLoopResultBuilder]: For program point L707(lines 707 715) no Hoare annotation was computed. [2021-10-24 09:40:57,611 INFO L853 garLoopResultBuilder]: At program point L773-2(lines 766 776) the Hoare annotation is: false [2021-10-24 09:40:57,611 INFO L857 garLoopResultBuilder]: For program point L707-1(lines 707 715) no Hoare annotation was computed. [2021-10-24 09:40:57,611 INFO L857 garLoopResultBuilder]: For program point L707-2(lines 707 715) no Hoare annotation was computed. [2021-10-24 09:40:57,611 INFO L857 garLoopResultBuilder]: For program point L707-3(lines 707 715) no Hoare annotation was computed. [2021-10-24 09:40:57,611 INFO L857 garLoopResultBuilder]: For program point L707-4(lines 707 715) no Hoare annotation was computed. [2021-10-24 09:40:57,612 INFO L857 garLoopResultBuilder]: For program point L707-5(lines 707 715) no Hoare annotation was computed. [2021-10-24 09:40:57,612 INFO L853 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 09:40:57,612 INFO L857 garLoopResultBuilder]: For program point L576(lines 575 622) no Hoare annotation was computed. [2021-10-24 09:40:57,612 INFO L857 garLoopResultBuilder]: For program point L180(lines 180 190) no Hoare annotation was computed. [2021-10-24 09:40:57,612 INFO L857 garLoopResultBuilder]: For program point L180-2(lines 180 190) no Hoare annotation was computed. [2021-10-24 09:40:57,612 INFO L857 garLoopResultBuilder]: For program point L180-4(lines 180 190) no Hoare annotation was computed. [2021-10-24 09:40:57,613 INFO L857 garLoopResultBuilder]: For program point L577(lines 577 581) no Hoare annotation was computed. [2021-10-24 09:40:57,613 INFO L857 garLoopResultBuilder]: For program point L181(lines 181 187) no Hoare annotation was computed. [2021-10-24 09:40:57,613 INFO L857 garLoopResultBuilder]: For program point L181-2(lines 181 187) no Hoare annotation was computed. [2021-10-24 09:40:57,613 INFO L857 garLoopResultBuilder]: For program point L181-4(lines 181 187) no Hoare annotation was computed. [2021-10-24 09:40:57,613 INFO L857 garLoopResultBuilder]: For program point L677(lines 677 694) no Hoare annotation was computed. [2021-10-24 09:40:57,613 INFO L857 garLoopResultBuilder]: For program point L677-1(lines 677 694) no Hoare annotation was computed. [2021-10-24 09:40:57,613 INFO L857 garLoopResultBuilder]: For program point L677-2(lines 677 694) no Hoare annotation was computed. [2021-10-24 09:40:57,614 INFO L857 garLoopResultBuilder]: For program point L677-3(lines 677 694) no Hoare annotation was computed. [2021-10-24 09:40:57,614 INFO L857 garLoopResultBuilder]: For program point L677-4(lines 677 694) no Hoare annotation was computed. [2021-10-24 09:40:57,614 INFO L857 garLoopResultBuilder]: For program point L677-5(lines 677 694) no Hoare annotation was computed. [2021-10-24 09:40:57,614 INFO L857 garLoopResultBuilder]: For program point L677-6(lines 677 694) no Hoare annotation was computed. [2021-10-24 09:40:57,614 INFO L857 garLoopResultBuilder]: For program point L677-7(lines 677 694) no Hoare annotation was computed. [2021-10-24 09:40:57,614 INFO L857 garLoopResultBuilder]: For program point L677-8(lines 677 694) no Hoare annotation was computed. [2021-10-24 09:40:57,614 INFO L857 garLoopResultBuilder]: For program point L677-9(lines 677 694) no Hoare annotation was computed. [2021-10-24 09:40:57,615 INFO L857 garLoopResultBuilder]: For program point L677-10(lines 677 694) no Hoare annotation was computed. [2021-10-24 09:40:57,615 INFO L857 garLoopResultBuilder]: For program point L677-11(lines 677 694) no Hoare annotation was computed. [2021-10-24 09:40:57,615 INFO L857 garLoopResultBuilder]: For program point L876(lines 876 880) no Hoare annotation was computed. [2021-10-24 09:40:57,615 INFO L857 garLoopResultBuilder]: For program point L876-3(lines 876 880) no Hoare annotation was computed. [2021-10-24 09:40:57,615 INFO L857 garLoopResultBuilder]: For program point L876-6(lines 876 880) no Hoare annotation was computed. [2021-10-24 09:40:57,615 INFO L853 garLoopResultBuilder]: At program point L645(lines 644 663) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= (_ bv1 32) ~pumpRunning~0)) (.cse5 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 (bvslt ~waterLevel~0 (_ bv2 32)) .cse4 .cse3) (and .cse0 .cse5 .cse2 .cse4 .cse3) (and .cse0 .cse6 .cse1 .cse2) (and .cse0 .cse6 .cse2 .cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (and .cse0 .cse6 .cse5 .cse2 .cse4))) [2021-10-24 09:40:57,616 INFO L857 garLoopResultBuilder]: For program point L645-1(lines 645 651) no Hoare annotation was computed. [2021-10-24 09:40:57,616 INFO L853 garLoopResultBuilder]: At program point L645-2(lines 644 663) the Hoare annotation is: false [2021-10-24 09:40:57,616 INFO L853 garLoopResultBuilder]: At program point L645-3(lines 644 663) the Hoare annotation is: false [2021-10-24 09:40:57,616 INFO L857 garLoopResultBuilder]: For program point L613(lines 613 617) no Hoare annotation was computed. [2021-10-24 09:40:57,616 INFO L853 garLoopResultBuilder]: At program point L613-2(lines 645 651) the Hoare annotation is: (let ((.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse2) (and .cse0 .cse1 .cse6 .cse2 .cse4) (and .cse0 .cse5 .cse2 .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (and .cse0 .cse5 .cse1 .cse2 .cse3))) [2021-10-24 09:40:57,616 INFO L860 garLoopResultBuilder]: At program point L151(lines 132 154) the Hoare annotation is: true [2021-10-24 09:40:57,617 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-24 09:40:57,617 INFO L857 garLoopResultBuilder]: For program point L681(lines 681 689) no Hoare annotation was computed. [2021-10-24 09:40:57,617 INFO L857 garLoopResultBuilder]: For program point L681-1(lines 681 689) no Hoare annotation was computed. [2021-10-24 09:40:57,617 INFO L857 garLoopResultBuilder]: For program point L681-2(lines 681 689) no Hoare annotation was computed. [2021-10-24 09:40:57,617 INFO L857 garLoopResultBuilder]: For program point L681-3(lines 681 689) no Hoare annotation was computed. [2021-10-24 09:40:57,617 INFO L857 garLoopResultBuilder]: For program point L681-4(lines 681 689) no Hoare annotation was computed. [2021-10-24 09:40:57,617 INFO L857 garLoopResultBuilder]: For program point L681-5(lines 681 689) no Hoare annotation was computed. [2021-10-24 09:40:57,618 INFO L857 garLoopResultBuilder]: For program point L681-6(lines 681 689) no Hoare annotation was computed. [2021-10-24 09:40:57,618 INFO L857 garLoopResultBuilder]: For program point L681-7(lines 681 689) no Hoare annotation was computed. [2021-10-24 09:40:57,618 INFO L857 garLoopResultBuilder]: For program point L681-8(lines 681 689) no Hoare annotation was computed. [2021-10-24 09:40:57,618 INFO L857 garLoopResultBuilder]: For program point L681-9(lines 681 689) no Hoare annotation was computed. [2021-10-24 09:40:57,618 INFO L857 garLoopResultBuilder]: For program point L681-10(lines 681 689) no Hoare annotation was computed. [2021-10-24 09:40:57,618 INFO L857 garLoopResultBuilder]: For program point L681-11(lines 681 689) no Hoare annotation was computed. [2021-10-24 09:40:57,618 INFO L857 garLoopResultBuilder]: For program point L1012(line 1012) no Hoare annotation was computed. [2021-10-24 09:40:57,619 INFO L857 garLoopResultBuilder]: For program point L1012-1(line 1012) no Hoare annotation was computed. [2021-10-24 09:40:57,619 INFO L857 garLoopResultBuilder]: For program point L1012-2(line 1012) no Hoare annotation was computed. [2021-10-24 09:40:57,619 INFO L853 garLoopResultBuilder]: At program point L913(lines 908 916) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))))) [2021-10-24 09:40:57,619 INFO L853 garLoopResultBuilder]: At program point L913-1(lines 908 916) the Hoare annotation is: (let ((.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse7 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse2 .cse7) (and .cse0 .cse1 .cse5 .cse6 .cse2) (and .cse0 .cse2 .cse3 .cse4 .cse7))) [2021-10-24 09:40:57,619 INFO L853 garLoopResultBuilder]: At program point L913-2(lines 908 916) the Hoare annotation is: false [2021-10-24 09:40:57,619 INFO L853 garLoopResultBuilder]: At program point L913-3(lines 908 916) the Hoare annotation is: false [2021-10-24 09:40:57,620 INFO L853 garLoopResultBuilder]: At program point L913-4(lines 908 916) the Hoare annotation is: false [2021-10-24 09:40:57,620 INFO L853 garLoopResultBuilder]: At program point L913-5(lines 908 916) the Hoare annotation is: false [2021-10-24 09:40:57,620 INFO L853 garLoopResultBuilder]: At program point L782(lines 777 785) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse1 .cse2 .cse3) (and .cse0 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3 (= (_ bv0 32) ~pumpRunning~0)))) [2021-10-24 09:40:57,620 INFO L853 garLoopResultBuilder]: At program point L782-1(lines 777 785) the Hoare annotation is: false [2021-10-24 09:40:57,620 INFO L853 garLoopResultBuilder]: At program point L782-2(lines 777 785) the Hoare annotation is: false [2021-10-24 09:40:57,620 INFO L857 garLoopResultBuilder]: For program point L585(lines 585 591) no Hoare annotation was computed. [2021-10-24 09:40:57,621 INFO L853 garLoopResultBuilder]: At program point L585-1(lines 585 591) the Hoare annotation is: (let ((.cse1 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse7 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse1 .cse7 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~1) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2) (and .cse0 .cse1 .cse7 .cse2 .cse5) (and .cse0 .cse6 .cse2 .cse3 .cse4))) [2021-10-24 09:40:57,621 INFO L857 garLoopResultBuilder]: For program point L850(lines 850 854) no Hoare annotation was computed. [2021-10-24 09:40:57,621 INFO L857 garLoopResultBuilder]: For program point L850-2(lines 850 854) no Hoare annotation was computed. [2021-10-24 09:40:57,621 INFO L857 garLoopResultBuilder]: For program point L850-3(lines 850 854) no Hoare annotation was computed. [2021-10-24 09:40:57,621 INFO L857 garLoopResultBuilder]: For program point L850-5(lines 850 854) no Hoare annotation was computed. [2021-10-24 09:40:57,621 INFO L853 garLoopResultBuilder]: At program point L652(lines 652 658) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse4 .cse3) (and .cse0 .cse5 .cse1 .cse2) (and .cse0 .cse5 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2 .cse4))) [2021-10-24 09:40:57,622 INFO L857 garLoopResultBuilder]: For program point L850-6(lines 850 854) no Hoare annotation was computed. [2021-10-24 09:40:57,622 INFO L853 garLoopResultBuilder]: At program point L652-1(lines 652 658) the Hoare annotation is: false [2021-10-24 09:40:57,622 INFO L857 garLoopResultBuilder]: For program point L850-8(lines 850 854) no Hoare annotation was computed. [2021-10-24 09:40:57,622 INFO L853 garLoopResultBuilder]: At program point L652-2(lines 652 658) the Hoare annotation is: false [2021-10-24 09:40:57,622 INFO L857 garLoopResultBuilder]: For program point L850-9(lines 850 854) no Hoare annotation was computed. [2021-10-24 09:40:57,622 INFO L857 garLoopResultBuilder]: For program point L850-11(lines 850 854) no Hoare annotation was computed. [2021-10-24 09:40:57,622 INFO L857 garLoopResultBuilder]: For program point L850-12(lines 850 854) no Hoare annotation was computed. [2021-10-24 09:40:57,623 INFO L857 garLoopResultBuilder]: For program point L850-14(lines 850 854) no Hoare annotation was computed. [2021-10-24 09:40:57,623 INFO L857 garLoopResultBuilder]: For program point L850-15(lines 850 854) no Hoare annotation was computed. [2021-10-24 09:40:57,623 INFO L857 garLoopResultBuilder]: For program point L850-17(lines 850 854) no Hoare annotation was computed. [2021-10-24 09:40:57,623 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-24 09:40:57,623 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-24 09:40:57,623 INFO L857 garLoopResultBuilder]: For program point L953(lines 953 959) no Hoare annotation was computed. [2021-10-24 09:40:57,623 INFO L857 garLoopResultBuilder]: For program point L953-1(lines 953 959) no Hoare annotation was computed. [2021-10-24 09:40:57,624 INFO L857 garLoopResultBuilder]: For program point L953-2(lines 953 959) no Hoare annotation was computed. [2021-10-24 09:40:57,624 INFO L857 garLoopResultBuilder]: For program point L953-3(lines 953 959) no Hoare annotation was computed. [2021-10-24 09:40:57,624 INFO L857 garLoopResultBuilder]: For program point L953-4(lines 953 959) no Hoare annotation was computed. [2021-10-24 09:40:57,624 INFO L857 garLoopResultBuilder]: For program point L953-5(lines 953 959) no Hoare annotation was computed. [2021-10-24 09:40:57,624 INFO L857 garLoopResultBuilder]: For program point L953-6(lines 953 959) no Hoare annotation was computed. [2021-10-24 09:40:57,624 INFO L857 garLoopResultBuilder]: For program point L953-7(lines 953 959) no Hoare annotation was computed. [2021-10-24 09:40:57,624 INFO L857 garLoopResultBuilder]: For program point L953-8(lines 953 959) no Hoare annotation was computed. [2021-10-24 09:40:57,625 INFO L857 garLoopResultBuilder]: For program point L953-9(lines 953 959) no Hoare annotation was computed. [2021-10-24 09:40:57,625 INFO L853 garLoopResultBuilder]: At program point L623(lines 574 624) the Hoare annotation is: false [2021-10-24 09:40:57,625 INFO L857 garLoopResultBuilder]: For program point L953-10(lines 953 959) no Hoare annotation was computed. [2021-10-24 09:40:57,625 INFO L857 garLoopResultBuilder]: For program point L953-11(lines 953 959) no Hoare annotation was computed. [2021-10-24 09:40:57,625 INFO L853 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: false [2021-10-24 09:40:57,625 INFO L857 garLoopResultBuilder]: For program point L888(lines 888 892) no Hoare annotation was computed. [2021-10-24 09:40:57,625 INFO L857 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2021-10-24 09:40:57,626 INFO L853 garLoopResultBuilder]: At program point L856(lines 841 859) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32))) [2021-10-24 09:40:57,626 INFO L853 garLoopResultBuilder]: At program point L856-1(lines 841 859) the Hoare annotation is: false [2021-10-24 09:40:57,626 INFO L853 garLoopResultBuilder]: At program point L856-2(lines 841 859) the Hoare annotation is: false [2021-10-24 09:40:57,626 INFO L853 garLoopResultBuilder]: At program point L856-3(lines 841 859) the Hoare annotation is: false [2021-10-24 09:40:57,626 INFO L853 garLoopResultBuilder]: At program point L856-4(lines 841 859) the Hoare annotation is: false [2021-10-24 09:40:57,626 INFO L853 garLoopResultBuilder]: At program point L856-5(lines 841 859) the Hoare annotation is: false [2021-10-24 09:40:57,626 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-24 09:40:57,627 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1012) no Hoare annotation was computed. [2021-10-24 09:40:57,627 INFO L853 garLoopResultBuilder]: At program point L165(lines 160 167) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 09:40:57,627 INFO L857 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2021-10-24 09:40:57,627 INFO L857 garLoopResultBuilder]: For program point L66-1(lines 645 651) no Hoare annotation was computed. [2021-10-24 09:40:57,627 INFO L853 garLoopResultBuilder]: At program point L958(lines 949 962) the Hoare annotation is: false [2021-10-24 09:40:57,627 INFO L853 garLoopResultBuilder]: At program point L958-1(lines 949 962) the Hoare annotation is: false [2021-10-24 09:40:57,628 INFO L853 garLoopResultBuilder]: At program point L958-2(lines 949 962) the Hoare annotation is: false [2021-10-24 09:40:57,628 INFO L853 garLoopResultBuilder]: At program point L958-3(lines 949 962) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2) (and .cse0 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse1 .cse3 .cse2) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse1 (bvslt ~waterLevel~0 (_ bv2 32)) .cse3 .cse2))) [2021-10-24 09:40:57,628 INFO L853 garLoopResultBuilder]: At program point L958-4(lines 949 962) the Hoare annotation is: false [2021-10-24 09:40:57,628 INFO L853 garLoopResultBuilder]: At program point L958-5(lines 949 962) the Hoare annotation is: false [2021-10-24 09:40:57,628 INFO L853 garLoopResultBuilder]: At program point L958-6(lines 949 962) the Hoare annotation is: false [2021-10-24 09:40:57,628 INFO L853 garLoopResultBuilder]: At program point L958-7(lines 949 962) the Hoare annotation is: false [2021-10-24 09:40:57,629 INFO L853 garLoopResultBuilder]: At program point L958-8(lines 949 962) the Hoare annotation is: false [2021-10-24 09:40:57,629 INFO L853 garLoopResultBuilder]: At program point L958-9(lines 949 962) the Hoare annotation is: false [2021-10-24 09:40:57,629 INFO L853 garLoopResultBuilder]: At program point L958-10(lines 949 962) the Hoare annotation is: false [2021-10-24 09:40:57,629 INFO L857 garLoopResultBuilder]: For program point L595(lines 595 601) no Hoare annotation was computed. [2021-10-24 09:40:57,629 INFO L853 garLoopResultBuilder]: At program point L958-11(lines 949 962) the Hoare annotation is: false [2021-10-24 09:40:57,629 INFO L853 garLoopResultBuilder]: At program point L595-1(lines 595 601) the Hoare annotation is: (let ((.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse2) (and .cse0 .cse1 .cse6 .cse2 .cse4) (and .cse0 .cse5 .cse2 .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (and .cse0 .cse5 .cse1 .cse2 .cse3))) [2021-10-24 09:40:57,634 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 09:40:57,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 09:40:57 BoogieIcfgContainer [2021-10-24 09:40:57,665 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 09:40:57,665 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 09:40:57,665 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 09:40:57,666 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 09:40:57,666 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:40:37" (3/4) ... [2021-10-24 09:40:57,669 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-24 09:40:57,694 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-24 09:40:57,696 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-24 09:40:57,698 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-24 09:40:57,699 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-24 09:40:57,714 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-24 09:40:57,716 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 09:40:57,717 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 09:40:57,742 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && 0bv32 == tmp) && \result == 0bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) [2021-10-24 09:40:57,743 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && 0bv32 == tmp) && \result == 0bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) [2021-10-24 09:40:57,743 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) [2021-10-24 09:40:57,744 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) [2021-10-24 09:40:57,744 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) [2021-10-24 09:40:57,746 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 09:40:57,746 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) [2021-10-24 09:40:57,748 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) [2021-10-24 09:40:57,748 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 09:40:57,749 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && systemActive == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 09:40:57,751 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && systemActive == 1bv32) && \result == 0bv32) && methaneLevelCritical == 1bv32) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) [2021-10-24 09:40:57,753 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32 [2021-10-24 09:40:57,754 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32 [2021-10-24 09:40:57,831 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 09:40:57,831 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 09:40:57,832 INFO L168 Benchmark]: Toolchain (without parser) took 23968.56 ms. Allocated memory was 71.3 MB in the beginning and 119.5 MB in the end (delta: 48.2 MB). Free memory was 49.4 MB in the beginning and 81.5 MB in the end (delta: -32.1 MB). Peak memory consumption was 75.0 MB. Max. memory is 16.1 GB. [2021-10-24 09:40:57,833 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 50.3 MB. Free memory was 30.3 MB in the beginning and 30.3 MB in the end (delta: 40.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 09:40:57,833 INFO L168 Benchmark]: CACSL2BoogieTranslator took 686.50 ms. Allocated memory is still 71.3 MB. Free memory was 49.2 MB in the beginning and 39.6 MB in the end (delta: 9.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-24 09:40:57,833 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.57 ms. Allocated memory is still 71.3 MB. Free memory was 39.4 MB in the beginning and 53.5 MB in the end (delta: -14.1 MB). Peak memory consumption was 10.6 MB. Max. memory is 16.1 GB. [2021-10-24 09:40:57,834 INFO L168 Benchmark]: Boogie Preprocessor took 101.51 ms. Allocated memory is still 71.3 MB. Free memory was 53.5 MB in the beginning and 49.8 MB in the end (delta: 3.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 09:40:57,834 INFO L168 Benchmark]: RCFGBuilder took 2632.59 ms. Allocated memory was 71.3 MB in the beginning and 98.6 MB in the end (delta: 27.3 MB). Free memory was 49.8 MB in the beginning and 55.1 MB in the end (delta: -5.2 MB). Peak memory consumption was 25.5 MB. Max. memory is 16.1 GB. [2021-10-24 09:40:57,835 INFO L168 Benchmark]: TraceAbstraction took 20275.39 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 54.5 MB in the beginning and 28.8 MB in the end (delta: 25.7 MB). Peak memory consumption was 49.8 MB. Max. memory is 16.1 GB. [2021-10-24 09:40:57,835 INFO L168 Benchmark]: Witness Printer took 165.77 ms. Allocated memory is still 119.5 MB. Free memory was 28.8 MB in the beginning and 81.5 MB in the end (delta: -52.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-24 09:40:57,837 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 50.3 MB. Free memory was 30.3 MB in the beginning and 30.3 MB in the end (delta: 40.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 686.50 ms. Allocated memory is still 71.3 MB. Free memory was 49.2 MB in the beginning and 39.6 MB in the end (delta: 9.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 99.57 ms. Allocated memory is still 71.3 MB. Free memory was 39.4 MB in the beginning and 53.5 MB in the end (delta: -14.1 MB). Peak memory consumption was 10.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 101.51 ms. Allocated memory is still 71.3 MB. Free memory was 53.5 MB in the beginning and 49.8 MB in the end (delta: 3.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2632.59 ms. Allocated memory was 71.3 MB in the beginning and 98.6 MB in the end (delta: 27.3 MB). Free memory was 49.8 MB in the beginning and 55.1 MB in the end (delta: -5.2 MB). Peak memory consumption was 25.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 20275.39 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 54.5 MB in the beginning and 28.8 MB in the end (delta: 25.7 MB). Peak memory consumption was 49.8 MB. Max. memory is 16.1 GB. * Witness Printer took 165.77 ms. Allocated memory is still 119.5 MB. Free memory was 28.8 MB in the beginning and 81.5 MB in the end (delta: -52.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1012]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1012]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1012]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 193 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 20185.5ms, OverallIterations: 12, TraceHistogramMax: 2, EmptinessCheckTime: 31.4ms, AutomataDifference: 5635.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 5845.7ms, InitialAbstractionConstructionTime: 13.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1530 SDtfs, 1867 SDslu, 2382 SDs, 0 SdLazy, 320 SolverSat, 89 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4733.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 833 GetRequests, 784 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 352.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=386occurred in iteration=10, InterpolantAutomatonStates: 62, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 308.6ms AutomataMinimizationTime, 12 MinimizatonAttempts, 803 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 68 LocationsWithAnnotation, 68 PreInvPairs, 334 NumberOfFragments, 875 HoareAnnotationTreeSize, 68 FomulaSimplifications, 368523 FormulaSimplificationTreeSizeReduction, 1410.9ms HoareSimplificationTime, 68 FomulaSimplificationsInter, 89681 FormulaSimplificationTreeSizeReductionInter, 4418.7ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 240.9ms SsaConstructionTime, 1351.2ms SatisfiabilityAnalysisTime, 2753.2ms InterpolantComputationTime, 415 NumberOfCodeBlocks, 415 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 806 ConstructedInterpolants, 0 QuantifiedInterpolants, 1474 SizeOfPredicates, 18 NumberOfNonLiveVariables, 2596 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 24 InterpolantComputations, 24 PerfectInterpolantSequences, 84/84 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 - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 822]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 574]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 777]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 949]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && systemActive == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 963]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 644]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 652]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 822]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 652]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 949]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 949]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 645]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) - InvariantResult [Line: 822]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 963]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 949]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 822]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 777]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 949]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 949]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && 0bv32 == tmp) && \result == 0bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) - InvariantResult [Line: 822]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && systemActive == 1bv32) && \result == 0bv32) && methaneLevelCritical == 1bv32) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 822]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 595]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 822]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 963]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 822]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 949]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 822]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 949]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 949]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && 0bv32 == tmp) && \result == 0bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) - InvariantResult [Line: 822]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 963]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32 - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) - InvariantResult [Line: 949]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 998]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 822]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 777]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 644]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 949]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 949]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 963]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 822]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 652]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) - InvariantResult [Line: 963]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32 - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 644]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) RESULT: Ultimate proved your program to be correct! [2021-10-24 09:40:57,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116c09-690b-499c-941c-70f5a566e374/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...