./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8 --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 7e359c3e690bc34b8e145f12f51e57f299b8b0bc ............................................................................................................................................ 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_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8 --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 7e359c3e690bc34b8e145f12f51e57f299b8b0bc .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 08:02:04,828 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 08:02:04,831 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 08:02:04,871 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 08:02:04,872 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 08:02:04,874 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 08:02:04,876 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 08:02:04,879 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 08:02:04,882 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 08:02:04,884 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 08:02:04,885 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 08:02:04,887 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 08:02:04,888 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 08:02:04,890 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 08:02:04,892 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 08:02:04,895 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 08:02:04,896 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 08:02:04,898 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 08:02:04,901 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 08:02:04,904 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 08:02:04,907 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 08:02:04,909 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 08:02:04,911 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 08:02:04,912 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 08:02:04,917 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 08:02:04,918 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 08:02:04,919 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 08:02:04,920 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 08:02:04,921 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 08:02:04,923 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 08:02:04,923 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 08:02:04,924 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 08:02:04,926 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 08:02:04,927 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 08:02:04,929 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 08:02:04,929 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 08:02:04,931 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 08:02:04,931 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 08:02:04,932 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 08:02:04,933 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 08:02:04,935 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 08:02:04,936 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 08:02:04,968 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 08:02:04,969 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 08:02:04,971 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 08:02:04,971 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 08:02:04,972 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 08:02:04,972 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 08:02:04,973 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 08:02:04,973 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 08:02:04,974 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 08:02:04,975 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 08:02:04,975 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 08:02:04,976 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 08:02:04,976 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 08:02:04,977 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 08:02:04,977 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 08:02:04,979 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 08:02:04,979 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 08:02:04,979 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 08:02:04,980 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 08:02:04,980 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 08:02:04,980 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 08:02:04,981 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 08:02:04,981 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 08:02:04,981 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 08:02:04,982 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 08:02:04,982 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 08:02:04,982 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 08:02:04,983 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 08:02:04,983 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 08:02:04,984 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 08:02:04,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 08:02:04,984 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 08:02:04,985 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 08:02:04,985 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 08:02:04,985 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 08:02:04,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 08:02:04,986 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 08:02:04,986 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 08:02:04,987 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 08:02:04,987 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_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e359c3e690bc34b8e145f12f51e57f299b8b0bc [2021-10-13 08:02:05,415 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 08:02:05,458 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 08:02:05,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 08:02:05,463 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 08:02:05,464 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 08:02:05,465 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c [2021-10-13 08:02:05,569 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/data/ca275f42c/3bd93d044ed1405582e2feeee893c01b/FLAG1e94986ec [2021-10-13 08:02:06,352 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 08:02:06,353 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c [2021-10-13 08:02:06,386 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/data/ca275f42c/3bd93d044ed1405582e2feeee893c01b/FLAG1e94986ec [2021-10-13 08:02:06,583 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/data/ca275f42c/3bd93d044ed1405582e2feeee893c01b [2021-10-13 08:02:06,586 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 08:02:06,587 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 08:02:06,589 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 08:02:06,590 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 08:02:06,595 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 08:02:06,597 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:02:06" (1/1) ... [2021-10-13 08:02:06,601 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2caa904b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:06, skipping insertion in model container [2021-10-13 08:02:06,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:02:06" (1/1) ... [2021-10-13 08:02:06,610 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 08:02:06,658 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 08:02:06,991 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_c6c38d31-858e-4267-9fcd-ada1dfb9be64/sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c[7153,7166] [2021-10-13 08:02:07,079 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 08:02:07,114 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) [2021-10-13 08:02:07,115 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@75475e09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:07, skipping insertion in model container [2021-10-13 08:02:07,116 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 08:02:07,116 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 08:02:07,119 INFO L168 Benchmark]: Toolchain (without parser) took 530.28 ms. Allocated memory is still 98.6 MB. Free memory was 60.8 MB in the beginning and 68.8 MB in the end (delta: -8.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 08:02:07,120 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 98.6 MB. Free memory was 77.7 MB in the beginning and 77.6 MB in the end (delta: 83.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 08:02:07,121 INFO L168 Benchmark]: CACSL2BoogieTranslator took 527.03 ms. Allocated memory is still 98.6 MB. Free memory was 60.6 MB in the beginning and 68.8 MB in the end (delta: -8.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 08:02:07,124 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 98.6 MB. Free memory was 77.7 MB in the beginning and 77.6 MB in the end (delta: 83.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 527.03 ms. Allocated memory is still 98.6 MB. Free memory was 60.6 MB in the beginning and 68.8 MB in the end (delta: -8.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 567]: 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-4e77c04 [2021-10-13 08:02:09,872 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 08:02:09,877 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 08:02:09,947 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 08:02:09,948 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 08:02:09,956 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 08:02:09,958 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 08:02:09,971 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 08:02:09,973 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 08:02:09,974 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 08:02:09,976 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 08:02:09,978 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 08:02:09,978 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 08:02:09,980 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 08:02:09,982 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 08:02:09,984 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 08:02:09,985 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 08:02:09,986 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 08:02:09,989 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 08:02:09,992 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 08:02:09,994 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 08:02:09,996 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 08:02:09,998 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 08:02:09,999 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 08:02:10,004 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 08:02:10,004 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 08:02:10,005 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 08:02:10,006 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 08:02:10,007 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 08:02:10,009 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 08:02:10,009 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 08:02:10,011 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 08:02:10,012 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 08:02:10,013 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 08:02:10,015 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 08:02:10,015 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 08:02:10,017 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 08:02:10,017 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 08:02:10,017 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 08:02:10,019 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 08:02:10,019 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 08:02:10,021 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 08:02:10,058 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 08:02:10,058 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 08:02:10,059 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 08:02:10,060 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 08:02:10,060 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 08:02:10,060 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 08:02:10,060 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 08:02:10,060 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 08:02:10,061 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 08:02:10,062 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 08:02:10,062 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 08:02:10,062 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 08:02:10,062 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 08:02:10,063 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 08:02:10,063 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 08:02:10,063 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 08:02:10,063 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 08:02:10,064 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 08:02:10,064 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 08:02:10,064 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 08:02:10,064 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 08:02:10,065 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 08:02:10,065 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 08:02:10,065 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 08:02:10,065 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 08:02:10,066 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 08:02:10,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 08:02:10,066 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 08:02:10,066 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 08:02:10,067 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 08:02:10,067 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 08:02:10,067 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 08:02:10,067 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 08:02:10,067 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 08:02:10,068 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 08:02:10,068 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_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e359c3e690bc34b8e145f12f51e57f299b8b0bc [2021-10-13 08:02:10,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 08:02:10,663 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 08:02:10,669 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 08:02:10,670 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 08:02:10,671 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 08:02:10,672 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c [2021-10-13 08:02:10,764 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/data/26b8c2420/ce6a71df2bb94c5c994426993d02cb5d/FLAGeb4c1210f [2021-10-13 08:02:11,517 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 08:02:11,518 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c [2021-10-13 08:02:11,549 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/data/26b8c2420/ce6a71df2bb94c5c994426993d02cb5d/FLAGeb4c1210f [2021-10-13 08:02:11,767 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/data/26b8c2420/ce6a71df2bb94c5c994426993d02cb5d [2021-10-13 08:02:11,770 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 08:02:11,771 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 08:02:11,794 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 08:02:11,794 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 08:02:11,799 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 08:02:11,800 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:02:11" (1/1) ... [2021-10-13 08:02:11,801 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36f6910 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:11, skipping insertion in model container [2021-10-13 08:02:11,801 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:02:11" (1/1) ... [2021-10-13 08:02:11,809 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 08:02:11,914 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 08:02:12,205 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_c6c38d31-858e-4267-9fcd-ada1dfb9be64/sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c[7153,7166] [2021-10-13 08:02:12,282 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 08:02:12,305 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-13 08:02:12,325 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 08:02:12,391 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_c6c38d31-858e-4267-9fcd-ada1dfb9be64/sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c[7153,7166] [2021-10-13 08:02:12,470 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 08:02:12,483 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 08:02:12,551 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_c6c38d31-858e-4267-9fcd-ada1dfb9be64/sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c[7153,7166] [2021-10-13 08:02:12,584 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 08:02:12,621 INFO L208 MainTranslator]: Completed translation [2021-10-13 08:02:12,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:12 WrapperNode [2021-10-13 08:02:12,623 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 08:02:12,626 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 08:02:12,626 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 08:02:12,627 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 08:02:12,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:12" (1/1) ... [2021-10-13 08:02:12,668 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:12" (1/1) ... [2021-10-13 08:02:12,717 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 08:02:12,718 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 08:02:12,718 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 08:02:12,718 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 08:02:12,728 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:12" (1/1) ... [2021-10-13 08:02:12,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:12" (1/1) ... [2021-10-13 08:02:12,735 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:12" (1/1) ... [2021-10-13 08:02:12,735 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:12" (1/1) ... [2021-10-13 08:02:12,751 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:12" (1/1) ... [2021-10-13 08:02:12,761 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:12" (1/1) ... [2021-10-13 08:02:12,765 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:12" (1/1) ... [2021-10-13 08:02:12,770 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 08:02:12,771 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 08:02:12,785 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 08:02:12,785 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 08:02:12,786 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:12" (1/1) ... [2021-10-13 08:02:12,795 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 08:02:12,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 08:02:12,840 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 08:02:12,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 08:02:12,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 08:02:12,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 08:02:12,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 08:02:12,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 08:02:15,635 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 08:02:15,635 INFO L299 CfgBuilder]: Removed 122 assume(true) statements. [2021-10-13 08:02:15,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:02:15 BoogieIcfgContainer [2021-10-13 08:02:15,638 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 08:02:15,641 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 08:02:15,641 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 08:02:15,644 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 08:02:15,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:02:11" (1/3) ... [2021-10-13 08:02:15,646 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@635e9b42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:02:15, skipping insertion in model container [2021-10-13 08:02:15,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:12" (2/3) ... [2021-10-13 08:02:15,647 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@635e9b42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:02:15, skipping insertion in model container [2021-10-13 08:02:15,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:02:15" (3/3) ... [2021-10-13 08:02:15,649 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product42.cil.c [2021-10-13 08:02:15,656 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 08:02:15,656 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-13 08:02:15,716 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 08:02:15,724 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, mConcurrency=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 [2021-10-13 08:02:15,724 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-13 08:02:15,744 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 89 states have (on average 1.550561797752809) internal successors, (138), 92 states have internal predecessors, (138), 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) [2021-10-13 08:02:15,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-13 08:02:15,752 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:02:15,753 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 08:02:15,754 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:02:15,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:02:15,762 INFO L82 PathProgramCache]: Analyzing trace with hash -1623272414, now seen corresponding path program 1 times [2021-10-13 08:02:15,785 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:02:15,791 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1609246595] [2021-10-13 08:02:15,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:02:15,792 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:02:15,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:02:15,797 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:02:15,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 08:02:16,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:02:16,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-13 08:02:16,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:02:16,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:02:16,186 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:02:16,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:02:16,252 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:02:16,253 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1609246595] [2021-10-13 08:02:16,254 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1609246595] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:02:16,254 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:02:16,255 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 08:02:16,257 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386163146] [2021-10-13 08:02:16,263 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 08:02:16,263 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:02:16,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 08:02:16,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 08:02:16,284 INFO L87 Difference]: Start difference. First operand has 93 states, 89 states have (on average 1.550561797752809) internal successors, (138), 92 states have internal predecessors, (138), 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) [2021-10-13 08:02:16,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:02:16,319 INFO L93 Difference]: Finished difference Result 180 states and 269 transitions. [2021-10-13 08:02:16,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 08:02:16,321 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 [2021-10-13 08:02:16,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:02:16,334 INFO L225 Difference]: With dead ends: 180 [2021-10-13 08:02:16,335 INFO L226 Difference]: Without dead ends: 89 [2021-10-13 08:02:16,339 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 08:02:16,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2021-10-13 08:02:16,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2021-10-13 08:02:16,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 86 states have (on average 1.4651162790697674) internal successors, (126), 88 states have internal predecessors, (126), 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) [2021-10-13 08:02:16,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 126 transitions. [2021-10-13 08:02:16,393 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 126 transitions. Word has length 18 [2021-10-13 08:02:16,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:02:16,394 INFO L470 AbstractCegarLoop]: Abstraction has 89 states and 126 transitions. [2021-10-13 08:02:16,394 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) [2021-10-13 08:02:16,394 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 126 transitions. [2021-10-13 08:02:16,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-13 08:02:16,396 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:02:16,396 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 08:02:16,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 08:02:16,601 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:02:16,602 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:02:16,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:02:16,603 INFO L82 PathProgramCache]: Analyzing trace with hash 352621777, now seen corresponding path program 1 times [2021-10-13 08:02:16,604 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:02:16,605 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1816066726] [2021-10-13 08:02:16,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:02:16,605 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:02:16,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:02:16,613 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:02:16,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 08:02:16,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:02:16,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 08:02:16,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:02:16,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:02:16,979 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:02:17,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:02:17,053 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:02:17,053 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1816066726] [2021-10-13 08:02:17,054 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1816066726] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:02:17,054 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:02:17,054 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 08:02:17,054 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488935113] [2021-10-13 08:02:17,056 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 08:02:17,057 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:02:17,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 08:02:17,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 08:02:17,058 INFO L87 Difference]: Start difference. First operand 89 states and 126 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) [2021-10-13 08:02:17,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:02:17,095 INFO L93 Difference]: Finished difference Result 89 states and 126 transitions. [2021-10-13 08:02:17,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 08:02:17,096 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 [2021-10-13 08:02:17,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:02:17,102 INFO L225 Difference]: With dead ends: 89 [2021-10-13 08:02:17,102 INFO L226 Difference]: Without dead ends: 39 [2021-10-13 08:02:17,103 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 28.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 08:02:17,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2021-10-13 08:02:17,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2021-10-13 08:02:17,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 38 states have internal predecessors, (55), 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) [2021-10-13 08:02:17,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 55 transitions. [2021-10-13 08:02:17,130 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 55 transitions. Word has length 19 [2021-10-13 08:02:17,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:02:17,131 INFO L470 AbstractCegarLoop]: Abstraction has 39 states and 55 transitions. [2021-10-13 08:02:17,131 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) [2021-10-13 08:02:17,131 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2021-10-13 08:02:17,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 08:02:17,134 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:02:17,135 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] [2021-10-13 08:02:17,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 08:02:17,350 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:02:17,351 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:02:17,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:02:17,352 INFO L82 PathProgramCache]: Analyzing trace with hash 1246279967, now seen corresponding path program 1 times [2021-10-13 08:02:17,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:02:17,354 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1739296154] [2021-10-13 08:02:17,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:02:17,354 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:02:17,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:02:17,356 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:02:17,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 08:02:17,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:02:17,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 08:02:17,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:02:17,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:02:17,694 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:02:17,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:02:17,782 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:02:17,782 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1739296154] [2021-10-13 08:02:17,783 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1739296154] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:02:17,783 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:02:17,783 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 08:02:17,784 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039260990] [2021-10-13 08:02:17,784 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 08:02:17,785 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:02:17,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 08:02:17,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 08:02:17,786 INFO L87 Difference]: Start difference. First operand 39 states and 55 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) [2021-10-13 08:02:17,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:02:17,828 INFO L93 Difference]: Finished difference Result 72 states and 104 transitions. [2021-10-13 08:02:17,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 08:02:17,829 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 [2021-10-13 08:02:17,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:02:17,830 INFO L225 Difference]: With dead ends: 72 [2021-10-13 08:02:17,830 INFO L226 Difference]: Without dead ends: 39 [2021-10-13 08:02:17,831 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.5ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 08:02:17,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2021-10-13 08:02:17,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2021-10-13 08:02:17,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 38 states have internal predecessors, (54), 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) [2021-10-13 08:02:17,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2021-10-13 08:02:17,839 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 54 transitions. Word has length 24 [2021-10-13 08:02:17,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:02:17,839 INFO L470 AbstractCegarLoop]: Abstraction has 39 states and 54 transitions. [2021-10-13 08:02:17,840 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) [2021-10-13 08:02:17,840 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2021-10-13 08:02:17,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-13 08:02:17,841 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:02:17,841 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] [2021-10-13 08:02:17,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 08:02:18,057 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:02:18,058 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:02:18,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:02:18,059 INFO L82 PathProgramCache]: Analyzing trace with hash 607128155, now seen corresponding path program 1 times [2021-10-13 08:02:18,060 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:02:18,060 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [531287492] [2021-10-13 08:02:18,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:02:18,061 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:02:18,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:02:18,062 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:02:18,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-13 08:02:18,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:02:18,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 08:02:18,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:02:18,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:02:18,412 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:02:18,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:02:18,514 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:02:18,514 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [531287492] [2021-10-13 08:02:18,514 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [531287492] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:02:18,515 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:02:18,515 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 08:02:18,515 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230667078] [2021-10-13 08:02:18,516 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 08:02:18,516 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:02:18,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 08:02:18,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 08:02:18,518 INFO L87 Difference]: Start difference. First operand 39 states and 54 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2021-10-13 08:02:18,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:02:18,589 INFO L93 Difference]: Finished difference Result 95 states and 135 transitions. [2021-10-13 08:02:18,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 08:02:18,590 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 25 [2021-10-13 08:02:18,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:02:18,591 INFO L225 Difference]: With dead ends: 95 [2021-10-13 08:02:18,591 INFO L226 Difference]: Without dead ends: 62 [2021-10-13 08:02:18,592 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 08:02:18,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2021-10-13 08:02:18,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2021-10-13 08:02:18,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 59 states have (on average 1.423728813559322) internal successors, (84), 59 states have internal predecessors, (84), 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) [2021-10-13 08:02:18,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 84 transitions. [2021-10-13 08:02:18,608 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 84 transitions. Word has length 25 [2021-10-13 08:02:18,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:02:18,609 INFO L470 AbstractCegarLoop]: Abstraction has 60 states and 84 transitions. [2021-10-13 08:02:18,609 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2021-10-13 08:02:18,609 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 84 transitions. [2021-10-13 08:02:18,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-13 08:02:18,611 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:02:18,611 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] [2021-10-13 08:02:18,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-13 08:02:18,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:02:18,812 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:02:18,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:02:18,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1327381871, now seen corresponding path program 1 times [2021-10-13 08:02:18,813 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:02:18,813 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [912657883] [2021-10-13 08:02:18,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:02:18,814 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:02:18,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:02:18,815 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:02:18,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-13 08:02:19,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:02:19,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 08:02:19,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:02:19,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:02:19,242 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:02:19,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:02:19,421 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:02:19,422 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [912657883] [2021-10-13 08:02:19,422 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [912657883] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:02:19,422 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:02:19,423 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-13 08:02:19,423 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671212197] [2021-10-13 08:02:19,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 08:02:19,424 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:02:19,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 08:02:19,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-13 08:02:19,425 INFO L87 Difference]: Start difference. First operand 60 states and 84 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 7 states have internal predecessors, (59), 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) [2021-10-13 08:02:19,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:02:19,909 INFO L93 Difference]: Finished difference Result 630 states and 923 transitions. [2021-10-13 08:02:19,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-13 08:02:19,910 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 7 states have internal predecessors, (59), 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 31 [2021-10-13 08:02:19,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:02:19,916 INFO L225 Difference]: With dead ends: 630 [2021-10-13 08:02:19,917 INFO L226 Difference]: Without dead ends: 576 [2021-10-13 08:02:19,918 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 186.0ms TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2021-10-13 08:02:19,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2021-10-13 08:02:19,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 153. [2021-10-13 08:02:19,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 152 states have (on average 1.4013157894736843) internal successors, (213), 152 states have internal predecessors, (213), 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) [2021-10-13 08:02:19,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 213 transitions. [2021-10-13 08:02:19,963 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 213 transitions. Word has length 31 [2021-10-13 08:02:19,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:02:19,964 INFO L470 AbstractCegarLoop]: Abstraction has 153 states and 213 transitions. [2021-10-13 08:02:19,964 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 7 states have internal predecessors, (59), 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) [2021-10-13 08:02:19,964 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 213 transitions. [2021-10-13 08:02:19,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-13 08:02:19,966 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:02:19,967 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] [2021-10-13 08:02:19,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-13 08:02:20,181 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:02:20,182 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:02:20,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:02:20,183 INFO L82 PathProgramCache]: Analyzing trace with hash -1796495249, now seen corresponding path program 1 times [2021-10-13 08:02:20,183 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:02:20,184 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [903152003] [2021-10-13 08:02:20,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:02:20,184 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:02:20,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:02:20,186 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:02:20,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-13 08:02:20,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:02:20,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 08:02:20,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:02:20,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:02:20,573 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:02:20,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:02:20,666 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:02:20,667 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [903152003] [2021-10-13 08:02:20,667 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [903152003] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:02:20,667 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:02:20,667 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-13 08:02:20,668 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680596891] [2021-10-13 08:02:20,671 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 08:02:20,671 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:02:20,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 08:02:20,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 08:02:20,672 INFO L87 Difference]: Start difference. First operand 153 states and 213 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 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) [2021-10-13 08:02:20,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:02:20,752 INFO L93 Difference]: Finished difference Result 453 states and 639 transitions. [2021-10-13 08:02:20,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 08:02:20,753 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 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 32 [2021-10-13 08:02:20,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:02:20,756 INFO L225 Difference]: With dead ends: 453 [2021-10-13 08:02:20,757 INFO L226 Difference]: Without dead ends: 352 [2021-10-13 08:02:20,758 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.7ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 08:02:20,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2021-10-13 08:02:20,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 155. [2021-10-13 08:02:20,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 154 states have (on average 1.3896103896103895) internal successors, (214), 154 states have internal predecessors, (214), 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) [2021-10-13 08:02:20,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 214 transitions. [2021-10-13 08:02:20,822 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 214 transitions. Word has length 32 [2021-10-13 08:02:20,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:02:20,823 INFO L470 AbstractCegarLoop]: Abstraction has 155 states and 214 transitions. [2021-10-13 08:02:20,823 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 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) [2021-10-13 08:02:20,823 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 214 transitions. [2021-10-13 08:02:20,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-13 08:02:20,833 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:02:20,833 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] [2021-10-13 08:02:20,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-13 08:02:21,048 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:02:21,049 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:02:21,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:02:21,050 INFO L82 PathProgramCache]: Analyzing trace with hash -1538329811, now seen corresponding path program 1 times [2021-10-13 08:02:21,050 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:02:21,051 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1996622030] [2021-10-13 08:02:21,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:02:21,051 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:02:21,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:02:21,052 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:02:21,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-13 08:02:21,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:02:21,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 08:02:21,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:02:21,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:02:21,426 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:02:21,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:02:21,547 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:02:21,547 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1996622030] [2021-10-13 08:02:21,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1996622030] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:02:21,548 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:02:21,548 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-13 08:02:21,548 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359106059] [2021-10-13 08:02:21,549 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 08:02:21,549 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:02:21,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 08:02:21,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-13 08:02:21,550 INFO L87 Difference]: Start difference. First operand 155 states and 214 transitions. Second operand has 8 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 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) [2021-10-13 08:02:21,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:02:21,675 INFO L93 Difference]: Finished difference Result 538 states and 753 transitions. [2021-10-13 08:02:21,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 08:02:21,676 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 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 32 [2021-10-13 08:02:21,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:02:21,679 INFO L225 Difference]: With dead ends: 538 [2021-10-13 08:02:21,679 INFO L226 Difference]: Without dead ends: 389 [2021-10-13 08:02:21,680 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 66.3ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-13 08:02:21,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2021-10-13 08:02:21,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 161. [2021-10-13 08:02:21,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 160 states have (on average 1.36875) internal successors, (219), 160 states have internal predecessors, (219), 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) [2021-10-13 08:02:21,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 219 transitions. [2021-10-13 08:02:21,737 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 219 transitions. Word has length 32 [2021-10-13 08:02:21,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:02:21,738 INFO L470 AbstractCegarLoop]: Abstraction has 161 states and 219 transitions. [2021-10-13 08:02:21,738 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 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) [2021-10-13 08:02:21,738 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 219 transitions. [2021-10-13 08:02:21,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-13 08:02:21,742 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:02:21,742 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] [2021-10-13 08:02:21,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-13 08:02:21,964 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:02:21,965 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:02:21,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:02:21,965 INFO L82 PathProgramCache]: Analyzing trace with hash -1048057311, now seen corresponding path program 1 times [2021-10-13 08:02:21,967 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:02:21,968 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1250278102] [2021-10-13 08:02:21,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:02:21,968 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:02:21,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:02:21,970 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:02:21,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-13 08:02:22,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:02:22,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 08:02:22,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:02:22,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:02:22,441 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:02:22,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:02:22,590 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:02:22,590 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1250278102] [2021-10-13 08:02:22,591 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1250278102] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:02:22,591 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:02:22,591 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-13 08:02:22,591 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817660943] [2021-10-13 08:02:22,592 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 08:02:22,592 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:02:22,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 08:02:22,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-13 08:02:22,593 INFO L87 Difference]: Start difference. First operand 161 states and 219 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 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) [2021-10-13 08:02:23,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:02:23,063 INFO L93 Difference]: Finished difference Result 1196 states and 1615 transitions. [2021-10-13 08:02:23,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-13 08:02:23,064 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 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 [2021-10-13 08:02:23,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:02:23,073 INFO L225 Difference]: With dead ends: 1196 [2021-10-13 08:02:23,073 INFO L226 Difference]: Without dead ends: 1041 [2021-10-13 08:02:23,076 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 140.6ms TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-10-13 08:02:23,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1041 states. [2021-10-13 08:02:23,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1041 to 302. [2021-10-13 08:02:23,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 301 states have (on average 1.345514950166113) internal successors, (405), 301 states have internal predecessors, (405), 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) [2021-10-13 08:02:23,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 405 transitions. [2021-10-13 08:02:23,156 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 405 transitions. Word has length 35 [2021-10-13 08:02:23,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:02:23,157 INFO L470 AbstractCegarLoop]: Abstraction has 302 states and 405 transitions. [2021-10-13 08:02:23,157 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 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) [2021-10-13 08:02:23,157 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 405 transitions. [2021-10-13 08:02:23,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-13 08:02:23,158 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:02:23,159 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] [2021-10-13 08:02:23,177 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-13 08:02:23,374 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:02:23,374 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:02:23,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:02:23,375 INFO L82 PathProgramCache]: Analyzing trace with hash -367998941, now seen corresponding path program 1 times [2021-10-13 08:02:23,375 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:02:23,375 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [167956373] [2021-10-13 08:02:23,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:02:23,376 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:02:23,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:02:23,377 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:02:23,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-13 08:02:23,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:02:23,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 08:02:23,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:02:23,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:02:23,853 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:02:24,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:02:24,012 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:02:24,013 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [167956373] [2021-10-13 08:02:24,015 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [167956373] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:02:24,016 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:02:24,016 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-13 08:02:24,016 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747809662] [2021-10-13 08:02:24,017 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 08:02:24,017 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:02:24,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 08:02:24,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-13 08:02:24,018 INFO L87 Difference]: Start difference. First operand 302 states and 405 transitions. Second operand has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 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) [2021-10-13 08:02:27,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:02:27,611 INFO L93 Difference]: Finished difference Result 781 states and 1060 transitions. [2021-10-13 08:02:27,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 08:02:27,611 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 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 [2021-10-13 08:02:27,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:02:27,613 INFO L225 Difference]: With dead ends: 781 [2021-10-13 08:02:27,613 INFO L226 Difference]: Without dead ends: 211 [2021-10-13 08:02:27,615 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 96.3ms TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2021-10-13 08:02:27,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2021-10-13 08:02:27,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 155. [2021-10-13 08:02:27,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 154 states have (on average 1.2597402597402598) internal successors, (194), 154 states have internal predecessors, (194), 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) [2021-10-13 08:02:27,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 194 transitions. [2021-10-13 08:02:27,645 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 194 transitions. Word has length 35 [2021-10-13 08:02:27,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:02:27,647 INFO L470 AbstractCegarLoop]: Abstraction has 155 states and 194 transitions. [2021-10-13 08:02:27,648 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 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) [2021-10-13 08:02:27,648 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 194 transitions. [2021-10-13 08:02:27,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-13 08:02:27,650 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:02:27,650 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, 1] [2021-10-13 08:02:27,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-13 08:02:27,864 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:02:27,865 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:02:27,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:02:27,865 INFO L82 PathProgramCache]: Analyzing trace with hash -1326928741, now seen corresponding path program 1 times [2021-10-13 08:02:27,866 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:02:27,866 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1701286797] [2021-10-13 08:02:27,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:02:27,866 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:02:27,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:02:27,868 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:02:27,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-13 08:02:28,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:02:28,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 08:02:28,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:02:28,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:02:28,378 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:02:28,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:02:28,534 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:02:28,534 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1701286797] [2021-10-13 08:02:28,534 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1701286797] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:02:28,534 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:02:28,535 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-13 08:02:28,535 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621697659] [2021-10-13 08:02:28,535 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 08:02:28,535 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:02:28,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 08:02:28,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-13 08:02:28,537 INFO L87 Difference]: Start difference. First operand 155 states and 194 transitions. Second operand has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 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) [2021-10-13 08:02:30,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:02:30,010 INFO L93 Difference]: Finished difference Result 481 states and 596 transitions. [2021-10-13 08:02:30,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-13 08:02:30,011 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 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 36 [2021-10-13 08:02:30,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:02:30,012 INFO L225 Difference]: With dead ends: 481 [2021-10-13 08:02:30,012 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 08:02:30,014 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 104.1ms TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2021-10-13 08:02:30,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 08:02:30,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 08:02:30,015 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) [2021-10-13 08:02:30,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 08:02:30,017 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2021-10-13 08:02:30,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:02:30,018 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 08:02:30,018 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 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) [2021-10-13 08:02:30,018 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 08:02:30,019 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 08:02:30,022 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 08:02:30,022 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 08:02:30,023 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 08:02:30,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-13 08:02:30,239 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:02:30,240 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 08:02:30,244 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:02:30,277 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:02:30,543 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:02:30,544 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:02:30,738 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:02:30,739 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:02:30,740 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:02:31,399 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:02:31,401 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:02:31,403 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:02:31,604 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:02:31,658 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:02:31,660 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:02:31,661 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:02:31,663 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:02:31,664 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:02:31,871 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:02:32,051 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:02:32,052 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:02:32,053 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:02:32,054 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:02:32,055 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:02:32,380 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:02:32,381 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:02:32,382 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:02:32,383 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:02:32,384 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:02:32,385 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:02:32,386 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:02:32,796 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:02:32,797 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:02:32,798 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:02:32,799 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:02:32,807 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:02:32,809 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:02:33,113 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:02:33,114 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:02:33,164 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:02:33,540 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:02:33,541 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:02:41,318 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 499) no Hoare annotation was computed. [2021-10-13 08:02:41,318 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 08:02:41,318 INFO L857 garLoopResultBuilder]: For program point L499(line 499) no Hoare annotation was computed. [2021-10-13 08:02:41,319 INFO L857 garLoopResultBuilder]: For program point L499-1(line 499) no Hoare annotation was computed. [2021-10-13 08:02:41,319 INFO L857 garLoopResultBuilder]: For program point L499-2(line 499) no Hoare annotation was computed. [2021-10-13 08:02:41,319 INFO L853 garLoopResultBuilder]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2021-10-13 08:02:41,319 INFO L853 garLoopResultBuilder]: At program point L236(lines 236 242) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) (= ULTIMATE.start_activatePump_~tmp~3 (_ bv0 32)) .cse1) (and .cse0 .cse2 .cse1 .cse3 .cse4) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2 .cse1 .cse4) (and (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32)) .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32)) .cse1 (= ULTIMATE.start_processEnvironment_~tmp~2 (_ bv1 32)) (= |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv1 32)) .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse4))) [2021-10-13 08:02:41,320 INFO L853 garLoopResultBuilder]: At program point L236-1(lines 236 242) the Hoare annotation is: false [2021-10-13 08:02:41,320 INFO L853 garLoopResultBuilder]: At program point L236-2(lines 236 242) the Hoare annotation is: false [2021-10-13 08:02:41,320 INFO L857 garLoopResultBuilder]: For program point L484(lines 484 490) no Hoare annotation was computed. [2021-10-13 08:02:41,320 INFO L857 garLoopResultBuilder]: For program point L484-1(lines 484 490) no Hoare annotation was computed. [2021-10-13 08:02:41,321 INFO L857 garLoopResultBuilder]: For program point L484-2(lines 484 490) no Hoare annotation was computed. [2021-10-13 08:02:41,321 INFO L857 garLoopResultBuilder]: For program point L187(lines 187 200) no Hoare annotation was computed. [2021-10-13 08:02:41,321 INFO L857 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-10-13 08:02:41,321 INFO L853 garLoopResultBuilder]: At program point L534(lines 529 537) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 08:02:41,321 INFO L857 garLoopResultBuilder]: For program point L914(lines 914 934) no Hoare annotation was computed. [2021-10-13 08:02:41,322 INFO L857 garLoopResultBuilder]: For program point L914-2(lines 914 934) no Hoare annotation was computed. [2021-10-13 08:02:41,322 INFO L857 garLoopResultBuilder]: For program point L914-4(lines 914 934) no Hoare annotation was computed. [2021-10-13 08:02:41,322 INFO L853 garLoopResultBuilder]: At program point L105(lines 101 107) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 08:02:41,322 INFO L857 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2021-10-13 08:02:41,323 INFO L853 garLoopResultBuilder]: At program point L205(lines 156 206) the Hoare annotation is: false [2021-10-13 08:02:41,323 INFO L853 garLoopResultBuilder]: At program point L387(lines 372 390) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32))) (.cse4 (= |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv0 32))) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv1 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse8 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse9 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse3 (= ~systemActive~0 (_ bv1 32))) (.cse7 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse8 .cse2 .cse3 .cse4 .cse5 .cse7) (and .cse1 .cse9 .cse3 .cse6 .cse7) (and .cse1 .cse8 .cse9 .cse3 .cse7))) [2021-10-13 08:02:41,323 INFO L853 garLoopResultBuilder]: At program point L387-1(lines 372 390) the Hoare annotation is: false [2021-10-13 08:02:41,323 INFO L853 garLoopResultBuilder]: At program point L387-2(lines 372 390) the Hoare annotation is: false [2021-10-13 08:02:41,323 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 08:02:41,324 INFO L857 garLoopResultBuilder]: For program point L58(lines 58 62) no Hoare annotation was computed. [2021-10-13 08:02:41,324 INFO L857 garLoopResultBuilder]: For program point L58-1(lines 229 235) no Hoare annotation was computed. [2021-10-13 08:02:41,324 INFO L860 garLoopResultBuilder]: At program point L141(lines 122 144) the Hoare annotation is: true [2021-10-13 08:02:41,324 INFO L853 garLoopResultBuilder]: At program point L323(lines 316 326) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32))) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse2 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse6 (not (= ULTIMATE.start_processEnvironment_~tmp~2 (_ bv0 32)))) (.cse8 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32))) (.cse5 (= ~systemActive~0 (_ bv1 32))) (.cse10 (= ULTIMATE.start_processEnvironment_~tmp~2 (_ bv1 32))) (.cse11 (= |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv0 32))) (.cse12 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv1 32))) (.cse13 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse14 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse7 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse0 .cse1 .cse3 .cse9 .cse4 .cse5 .cse10 .cse11 .cse12 .cse7) (and .cse0 .cse2 .cse5 .cse6 .cse13 .cse14 .cse7) (and .cse8 .cse0 .cse9 .cse5 .cse10 .cse11 .cse12 .cse13 .cse14 .cse7))) [2021-10-13 08:02:41,325 INFO L853 garLoopResultBuilder]: At program point L323-1(lines 316 326) the Hoare annotation is: false [2021-10-13 08:02:41,325 INFO L853 garLoopResultBuilder]: At program point L323-2(lines 316 326) the Hoare annotation is: false [2021-10-13 08:02:41,325 INFO L857 garLoopResultBuilder]: For program point L158(lines 157 204) no Hoare annotation was computed. [2021-10-13 08:02:41,325 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 499) no Hoare annotation was computed. [2021-10-13 08:02:41,326 INFO L853 garLoopResultBuilder]: At program point L489(lines 480 493) the Hoare annotation is: (let ((.cse3 (= |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv0 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse6 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse3 .cse5 .cse4) (and .cse0 .cse6 .cse2 .cse5 .cse4) (and .cse0 .cse1 .cse6 .cse2 .cse4))) [2021-10-13 08:02:41,326 INFO L853 garLoopResultBuilder]: At program point L489-1(lines 480 493) the Hoare annotation is: false [2021-10-13 08:02:41,326 INFO L853 garLoopResultBuilder]: At program point L489-2(lines 480 493) the Hoare annotation is: false [2021-10-13 08:02:41,326 INFO L857 garLoopResultBuilder]: For program point L159(lines 159 163) no Hoare annotation was computed. [2021-10-13 08:02:41,327 INFO L857 garLoopResultBuilder]: For program point L407(lines 407 411) no Hoare annotation was computed. [2021-10-13 08:02:41,327 INFO L857 garLoopResultBuilder]: For program point L407-3(lines 407 411) no Hoare annotation was computed. [2021-10-13 08:02:41,327 INFO L857 garLoopResultBuilder]: For program point L407-6(lines 407 411) no Hoare annotation was computed. [2021-10-13 08:02:41,327 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 08:02:41,327 INFO L857 garLoopResultBuilder]: For program point L920(lines 920 933) no Hoare annotation was computed. [2021-10-13 08:02:41,328 INFO L853 garLoopResultBuilder]: At program point L920-1(lines 1 937) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 (_ bv1 32))) (.cse2 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse3 (= ~systemActive~0 (_ bv1 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse3 .cse4) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) (= ULTIMATE.start_activatePump_~tmp~3 (_ bv0 32)) .cse3) (and .cse0 .cse1 .cse3 (= ~waterLevel~0 (_ bv1 32)) .cse4) (and (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32)) .cse0 .cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32)) .cse3 (= ULTIMATE.start_processEnvironment_~tmp~2 (_ bv1 32)) (= |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv1 32)) .cse6 .cse7 .cse4) (and .cse0 .cse5 .cse2 .cse3 .cse6 .cse7 .cse4))) [2021-10-13 08:02:41,328 INFO L857 garLoopResultBuilder]: For program point L920-2(lines 920 933) no Hoare annotation was computed. [2021-10-13 08:02:41,328 INFO L853 garLoopResultBuilder]: At program point L920-3(lines 1 937) the Hoare annotation is: false [2021-10-13 08:02:41,328 INFO L857 garLoopResultBuilder]: For program point L920-4(lines 920 933) no Hoare annotation was computed. [2021-10-13 08:02:41,328 INFO L853 garLoopResultBuilder]: At program point L920-5(lines 1 937) the Hoare annotation is: false [2021-10-13 08:02:41,329 INFO L857 garLoopResultBuilder]: For program point L177(lines 177 183) no Hoare annotation was computed. [2021-10-13 08:02:41,329 INFO L853 garLoopResultBuilder]: At program point L177-1(lines 177 183) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse2) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) (= ULTIMATE.start_activatePump_~tmp~3 (_ bv0 32)) .cse1))) [2021-10-13 08:02:41,329 INFO L857 garLoopResultBuilder]: For program point L261(lines 261 278) no Hoare annotation was computed. [2021-10-13 08:02:41,329 INFO L857 garLoopResultBuilder]: For program point L261-1(lines 261 278) no Hoare annotation was computed. [2021-10-13 08:02:41,330 INFO L857 garLoopResultBuilder]: For program point L195(lines 195 199) no Hoare annotation was computed. [2021-10-13 08:02:41,330 INFO L857 garLoopResultBuilder]: For program point L261-2(lines 261 278) no Hoare annotation was computed. [2021-10-13 08:02:41,330 INFO L853 garLoopResultBuilder]: At program point L195-2(lines 229 235) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse2) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) (= ULTIMATE.start_activatePump_~tmp~3 (_ bv0 32)) .cse1))) [2021-10-13 08:02:41,330 INFO L853 garLoopResultBuilder]: At program point L476(lines 471 479) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) (= ULTIMATE.start_activatePump_~tmp~3 (_ bv0 32)) .cse1) (and .cse0 (not (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (= ~methaneLevelCritical~0 (_ bv0 32)) (not (= ~waterLevel~0 (_ bv2 32))) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 (= (_ bv0 32) ~pumpRunning~0)))) [2021-10-13 08:02:41,331 INFO L853 garLoopResultBuilder]: At program point L476-1(lines 471 479) the Hoare annotation is: false [2021-10-13 08:02:41,331 INFO L853 garLoopResultBuilder]: At program point L476-2(lines 471 479) the Hoare annotation is: false [2021-10-13 08:02:41,331 INFO L853 garLoopResultBuilder]: At program point L526(lines 1 937) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 08:02:41,331 INFO L853 garLoopResultBuilder]: At program point L229(lines 228 247) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse2) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) (= ULTIMATE.start_activatePump_~tmp~3 (_ bv0 32)) .cse1))) [2021-10-13 08:02:41,332 INFO L857 garLoopResultBuilder]: For program point L229-1(lines 229 235) no Hoare annotation was computed. [2021-10-13 08:02:41,332 INFO L853 garLoopResultBuilder]: At program point L229-2(lines 228 247) the Hoare annotation is: false [2021-10-13 08:02:41,332 INFO L853 garLoopResultBuilder]: At program point L229-3(lines 228 247) the Hoare annotation is: false [2021-10-13 08:02:41,332 INFO L853 garLoopResultBuilder]: At program point L444(lines 439 447) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse2 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse5 (not (= ULTIMATE.start_processEnvironment_~tmp~2 (_ bv0 32)))) (.cse7 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse8 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32))) (.cse4 (= ~systemActive~0 (_ bv1 32))) (.cse9 (= ULTIMATE.start_processEnvironment_~tmp~2 (_ bv1 32))) (.cse10 (= |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv0 32))) (.cse11 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv1 32))) (.cse12 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse13 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse6 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse1 .cse8 .cse3 .cse4 .cse9 .cse10 .cse11 .cse6) (and .cse0 .cse2 .cse4 .cse5 .cse12 .cse13 .cse6) (and .cse7 .cse0 .cse8 .cse4 .cse9 .cse10 .cse11 .cse12 .cse13 .cse6))) [2021-10-13 08:02:41,333 INFO L853 garLoopResultBuilder]: At program point L444-1(lines 439 447) the Hoare annotation is: (let ((.cse1 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) (= ULTIMATE.start_activatePump_~tmp~3 (_ bv0 32)) .cse2) (and (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32)) .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32)) .cse2 (= ULTIMATE.start_processEnvironment_~tmp~2 (_ bv1 32)) (= |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv1 32)) .cse4 .cse5 .cse3))) [2021-10-13 08:02:41,333 INFO L853 garLoopResultBuilder]: At program point L444-2(lines 439 447) the Hoare annotation is: false [2021-10-13 08:02:41,333 INFO L853 garLoopResultBuilder]: At program point L444-3(lines 439 447) the Hoare annotation is: false [2021-10-13 08:02:41,333 INFO L853 garLoopResultBuilder]: At program point L444-4(lines 439 447) the Hoare annotation is: false [2021-10-13 08:02:41,334 INFO L853 garLoopResultBuilder]: At program point L444-5(lines 439 447) the Hoare annotation is: false [2021-10-13 08:02:41,334 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 08:02:41,334 INFO L857 garLoopResultBuilder]: For program point L924(lines 924 930) no Hoare annotation was computed. [2021-10-13 08:02:41,334 INFO L857 garLoopResultBuilder]: For program point L924-2(lines 924 930) no Hoare annotation was computed. [2021-10-13 08:02:41,334 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 499) no Hoare annotation was computed. [2021-10-13 08:02:41,335 INFO L857 garLoopResultBuilder]: For program point L924-4(lines 924 930) no Hoare annotation was computed. [2021-10-13 08:02:41,335 INFO L857 garLoopResultBuilder]: For program point L132(lines 132 139) no Hoare annotation was computed. [2021-10-13 08:02:41,335 INFO L860 garLoopResultBuilder]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2021-10-13 08:02:41,335 INFO L857 garLoopResultBuilder]: For program point L298(lines 298 304) no Hoare annotation was computed. [2021-10-13 08:02:41,336 INFO L857 garLoopResultBuilder]: For program point L265(lines 265 273) no Hoare annotation was computed. [2021-10-13 08:02:41,336 INFO L857 garLoopResultBuilder]: For program point L265-1(lines 265 273) no Hoare annotation was computed. [2021-10-13 08:02:41,336 INFO L857 garLoopResultBuilder]: For program point L298-2(lines 298 304) no Hoare annotation was computed. [2021-10-13 08:02:41,336 INFO L857 garLoopResultBuilder]: For program point L265-2(lines 265 273) no Hoare annotation was computed. [2021-10-13 08:02:41,336 INFO L857 garLoopResultBuilder]: For program point L298-4(lines 298 304) no Hoare annotation was computed. [2021-10-13 08:02:41,337 INFO L857 garLoopResultBuilder]: For program point L381(lines 381 385) no Hoare annotation was computed. [2021-10-13 08:02:41,337 INFO L857 garLoopResultBuilder]: For program point L381-2(lines 381 385) no Hoare annotation was computed. [2021-10-13 08:02:41,337 INFO L857 garLoopResultBuilder]: For program point L381-3(lines 381 385) no Hoare annotation was computed. [2021-10-13 08:02:41,337 INFO L857 garLoopResultBuilder]: For program point L381-5(lines 381 385) no Hoare annotation was computed. [2021-10-13 08:02:41,337 INFO L857 garLoopResultBuilder]: For program point L381-6(lines 381 385) no Hoare annotation was computed. [2021-10-13 08:02:41,338 INFO L857 garLoopResultBuilder]: For program point L381-8(lines 381 385) no Hoare annotation was computed. [2021-10-13 08:02:41,338 INFO L857 garLoopResultBuilder]: For program point L431(lines 431 435) no Hoare annotation was computed. [2021-10-13 08:02:41,338 INFO L853 garLoopResultBuilder]: At program point L332(lines 327 335) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= ULTIMATE.start_activatePump_~tmp~3 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) [2021-10-13 08:02:41,338 INFO L853 garLoopResultBuilder]: At program point L332-1(lines 327 335) the Hoare annotation is: false [2021-10-13 08:02:41,338 INFO L853 garLoopResultBuilder]: At program point L332-2(lines 327 335) the Hoare annotation is: false [2021-10-13 08:02:41,339 INFO L857 garLoopResultBuilder]: For program point L167(lines 167 173) no Hoare annotation was computed. [2021-10-13 08:02:41,339 INFO L853 garLoopResultBuilder]: At program point L167-1(lines 167 173) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) (= ULTIMATE.start_activatePump_~tmp~3 (_ bv0 32)) .cse1) (and .cse0 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 (_ bv1 32)) .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse2))) [2021-10-13 08:02:41,345 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 08:02:41,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 08:02:41 BoogieIcfgContainer [2021-10-13 08:02:41,384 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 08:02:41,385 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 08:02:41,385 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 08:02:41,385 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 08:02:41,386 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:02:15" (3/4) ... [2021-10-13 08:02:41,389 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 08:02:41,411 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-13 08:02:41,413 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-13 08:02:41,414 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-13 08:02:41,415 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-13 08:02:41,416 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 08:02:41,417 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 08:02:41,418 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 08:02:41,450 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && tmp == 1bv32) && tmp == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && tmp == 1bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-13 08:02:41,451 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32)) || (((((splverifierCounter == 0bv32 && tmp == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-13 08:02:41,452 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) || ((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((((((\result == 1bv32 && splverifierCounter == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-13 08:02:41,453 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32)) || (((((((((\result == 1bv32 && splverifierCounter == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-13 08:02:41,455 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && \result == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-10-13 08:02:41,456 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) || ((((((splverifierCounter == 0bv32 && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-10-13 08:02:41,456 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1bv32 && splverifierCounter == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || (((((((\result == 1bv32 && splverifierCounter == 0bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-10-13 08:02:41,458 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && 1bv32 == \result [2021-10-13 08:02:41,459 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning) || (((((((((\result == 1bv32 && splverifierCounter == 0bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && !(tmp == 0bv32)) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((((\result == 1bv32 && splverifierCounter == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-13 08:02:41,459 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning) || ((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && !(tmp == 0bv32)) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((((\result == 1bv32 && splverifierCounter == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-13 08:02:41,502 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 08:02:41,502 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 08:02:41,504 INFO L168 Benchmark]: Toolchain (without parser) took 29731.75 ms. Allocated memory was 77.6 MB in the beginning and 119.5 MB in the end (delta: 41.9 MB). Free memory was 42.6 MB in the beginning and 71.6 MB in the end (delta: -29.0 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. [2021-10-13 08:02:41,506 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 77.6 MB. Free memory was 59.8 MB in the beginning and 59.7 MB in the end (delta: 125.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 08:02:41,506 INFO L168 Benchmark]: CACSL2BoogieTranslator took 829.20 ms. Allocated memory is still 77.6 MB. Free memory was 42.3 MB in the beginning and 39.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. [2021-10-13 08:02:41,507 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.11 ms. Allocated memory is still 77.6 MB. Free memory was 39.4 MB in the beginning and 36.3 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 08:02:41,508 INFO L168 Benchmark]: Boogie Preprocessor took 52.49 ms. Allocated memory is still 77.6 MB. Free memory was 36.3 MB in the beginning and 33.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 08:02:41,508 INFO L168 Benchmark]: RCFGBuilder took 2867.32 ms. Allocated memory is still 77.6 MB. Free memory was 33.8 MB in the beginning and 37.4 MB in the end (delta: -3.6 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. [2021-10-13 08:02:41,509 INFO L168 Benchmark]: TraceAbstraction took 25743.27 ms. Allocated memory was 77.6 MB in the beginning and 119.5 MB in the end (delta: 41.9 MB). Free memory was 37.0 MB in the beginning and 80.0 MB in the end (delta: -43.0 MB). Peak memory consumption was 53.2 MB. Max. memory is 16.1 GB. [2021-10-13 08:02:41,509 INFO L168 Benchmark]: Witness Printer took 117.94 ms. Allocated memory is still 119.5 MB. Free memory was 80.0 MB in the beginning and 71.6 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 08:02:41,511 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 77.6 MB. Free memory was 59.8 MB in the beginning and 59.7 MB in the end (delta: 125.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 829.20 ms. Allocated memory is still 77.6 MB. Free memory was 42.3 MB in the beginning and 39.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 91.11 ms. Allocated memory is still 77.6 MB. Free memory was 39.4 MB in the beginning and 36.3 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 52.49 ms. Allocated memory is still 77.6 MB. Free memory was 36.3 MB in the beginning and 33.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2867.32 ms. Allocated memory is still 77.6 MB. Free memory was 33.8 MB in the beginning and 37.4 MB in the end (delta: -3.6 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 25743.27 ms. Allocated memory was 77.6 MB in the beginning and 119.5 MB in the end (delta: 41.9 MB). Free memory was 37.0 MB in the beginning and 80.0 MB in the end (delta: -43.0 MB). Peak memory consumption was 53.2 MB. Max. memory is 16.1 GB. * Witness Printer took 117.94 ms. Allocated memory is still 119.5 MB. Free memory was 80.0 MB in the beginning and 71.6 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 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: 499]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 499]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 499]: 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, 93 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 25630.8ms, OverallIterations: 10, TraceHistogramMax: 1, EmptinessCheckTime: 38.2ms, AutomataDifference: 6511.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 11078.2ms, InitialAbstractionConstructionTime: 14.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 962 SDtfs, 1931 SDslu, 2380 SDs, 0 SdLazy, 314 SolverSat, 49 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5099.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 589 GetRequests, 525 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 651.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=302occurred in iteration=8, InterpolantAutomatonStates: 68, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 361.7ms AutomataMinimizationTime, 10 MinimizatonAttempts, 1645 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 40 LocationsWithAnnotation, 40 PreInvPairs, 304 NumberOfFragments, 934 HoareAnnotationTreeSize, 40 FomulaSimplifications, 711131 FormulaSimplificationTreeSizeReduction, 3297.7ms HoareSimplificationTime, 40 FomulaSimplificationsInter, 67596 FormulaSimplificationTreeSizeReductionInter, 7760.4ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 273.0ms SsaConstructionTime, 1348.8ms SatisfiabilityAnalysisTime, 2584.7ms InterpolantComputationTime, 287 NumberOfCodeBlocks, 287 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 554 ConstructedInterpolants, 0 QuantifiedInterpolants, 962 SizeOfPredicates, 20 NumberOfNonLiveVariables, 2095 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 0/0 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: 480]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning) || ((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && !(tmp == 0bv32)) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((((\result == 1bv32 && splverifierCounter == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32)) || (((((((((\result == 1bv32 && splverifierCounter == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 229]: 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) && tmp == 0bv32) && systemActive == 1bv32) - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) || ((((((splverifierCounter == 0bv32 && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && tmp == 1bv32) && tmp == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && tmp == 1bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 480]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32)) || (((((splverifierCounter == 0bv32 && tmp == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 480]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && \result == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: (((((((((\result == 1bv32 && splverifierCounter == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || (((((((\result == 1bv32 && splverifierCounter == 0bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 177]: 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) && tmp == 0bv32) && systemActive == 1bv32) - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) || ((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((((((\result == 1bv32 && splverifierCounter == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && 1bv32 == \result - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning) || (((((((((\result == 1bv32 && splverifierCounter == 0bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && !(tmp == 0bv32)) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((((\result == 1bv32 && splverifierCounter == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 228]: 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) && tmp == 0bv32) && systemActive == 1bv32) - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-13 08:02:41,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c38d31-858e-4267-9fcd-ada1dfb9be64/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...