./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product63.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product63.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG --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 bff509ff7af2b9788fd6216f7196709183d48c973cf9a066c9793f96467b2abf ............................................................................................................................................ 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_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product63.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG --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 bff509ff7af2b9788fd6216f7196709183d48c973cf9a066c9793f96467b2abf ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:39:19,949 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:39:19,952 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:39:20,009 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:39:20,009 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:39:20,015 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:39:20,017 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:39:20,022 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:39:20,024 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:39:20,032 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:39:20,033 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:39:20,035 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:39:20,035 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:39:20,038 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:39:20,041 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:39:20,046 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:39:20,047 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:39:20,048 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:39:20,050 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:39:20,052 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:39:20,054 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:39:20,055 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:39:20,057 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:39:20,057 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:39:20,061 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:39:20,061 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:39:20,062 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:39:20,063 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:39:20,063 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:39:20,065 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:39:20,065 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:39:20,066 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:39:20,067 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:39:20,068 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:39:20,069 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:39:20,069 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:39:20,070 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:39:20,070 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:39:20,071 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:39:20,072 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:39:20,073 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:39:20,074 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 04:39:20,106 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:39:20,106 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:39:20,107 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:39:20,108 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 04:39:20,108 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 04:39:20,108 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 04:39:20,109 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 04:39:20,109 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 04:39:20,109 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 04:39:20,110 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 04:39:20,110 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 04:39:20,111 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 04:39:20,111 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 04:39:20,111 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 04:39:20,112 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 04:39:20,113 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:39:20,113 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:39:20,114 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:39:20,114 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:39:20,114 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:39:20,115 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:39:20,115 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:39:20,115 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:39:20,116 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 04:39:20,116 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:39:20,117 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:39:20,117 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:39:20,117 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:39:20,118 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:39:20,118 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 04:39:20,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 04:39:20,118 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:39:20,119 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:39:20,119 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:39:20,119 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 04:39:20,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:39:20,120 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:39:20,120 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 04:39:20,120 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 04:39:20,120 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_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bff509ff7af2b9788fd6216f7196709183d48c973cf9a066c9793f96467b2abf [2021-10-29 04:39:20,383 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:39:20,406 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:39:20,409 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:39:20,410 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:39:20,411 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:39:20,412 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec2_product63.cil.c [2021-10-29 04:39:20,503 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/data/23e319851/428da6ffad85418caab6c487f27b3632/FLAG9badc94f3 [2021-10-29 04:39:21,082 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:39:21,083 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/sv-benchmarks/c/product-lines/minepump_spec2_product63.cil.c [2021-10-29 04:39:21,096 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/data/23e319851/428da6ffad85418caab6c487f27b3632/FLAG9badc94f3 [2021-10-29 04:39:21,396 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/data/23e319851/428da6ffad85418caab6c487f27b3632 [2021-10-29 04:39:21,399 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:39:21,400 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:39:21,407 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:39:21,407 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:39:21,409 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:39:21,410 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:39:21" (1/1) ... [2021-10-29 04:39:21,411 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@596af9e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:39:21, skipping insertion in model container [2021-10-29 04:39:21,412 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:39:21" (1/1) ... [2021-10-29 04:39:21,419 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:39:21,486 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:39:21,680 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_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/sv-benchmarks/c/product-lines/minepump_spec2_product63.cil.c[2985,2998] [2021-10-29 04:39:21,838 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:39:21,849 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) [2021-10-29 04:39:21,850 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@cf5543e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:39:21, skipping insertion in model container [2021-10-29 04:39:21,850 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:39:21,850 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 04:39:21,853 INFO L168 Benchmark]: Toolchain (without parser) took 451.44 ms. Allocated memory is still 136.3 MB. Free memory was 99.2 MB in the beginning and 107.7 MB in the end (delta: -8.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:39:21,854 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 136.3 MB. Free memory was 109.9 MB in the beginning and 109.8 MB in the end (delta: 27.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:39:21,855 INFO L168 Benchmark]: CACSL2BoogieTranslator took 443.46 ms. Allocated memory is still 136.3 MB. Free memory was 99.0 MB in the beginning and 107.7 MB in the end (delta: -8.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:39:21,857 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 136.3 MB. Free memory was 109.9 MB in the beginning and 109.8 MB in the end (delta: 27.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 443.46 ms. Allocated memory is still 136.3 MB. Free memory was 99.0 MB in the beginning and 107.7 MB in the end (delta: -8.7 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: 702]: 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-b2eff8b [2021-10-29 04:39:24,081 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:39:24,083 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:39:24,120 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:39:24,121 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:39:24,122 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:39:24,124 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:39:24,127 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:39:24,129 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:39:24,130 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:39:24,132 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:39:24,133 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:39:24,134 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:39:24,135 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:39:24,137 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:39:24,139 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:39:24,140 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:39:24,141 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:39:24,144 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:39:24,146 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:39:24,148 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:39:24,150 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:39:24,152 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:39:24,153 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:39:24,157 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:39:24,161 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:39:24,162 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:39:24,165 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:39:24,165 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:39:24,166 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:39:24,167 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:39:24,168 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:39:24,169 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:39:24,170 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:39:24,171 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:39:24,172 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:39:24,173 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:39:24,173 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:39:24,174 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:39:24,175 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:39:24,176 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:39:24,177 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-29 04:39:24,205 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:39:24,206 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:39:24,207 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:39:24,207 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 04:39:24,208 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 04:39:24,208 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 04:39:24,208 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 04:39:24,208 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 04:39:24,209 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 04:39:24,209 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:39:24,210 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:39:24,210 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:39:24,210 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:39:24,210 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:39:24,211 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:39:24,211 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:39:24,211 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 04:39:24,211 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 04:39:24,212 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 04:39:24,212 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:39:24,212 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:39:24,212 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:39:24,212 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:39:24,213 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:39:24,213 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 04:39:24,213 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 04:39:24,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 04:39:24,214 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:39:24,214 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:39:24,214 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:39:24,214 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 04:39:24,215 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 04:39:24,215 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:39:24,215 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 04:39:24,215 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 04:39:24,216 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_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bff509ff7af2b9788fd6216f7196709183d48c973cf9a066c9793f96467b2abf [2021-10-29 04:39:24,671 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:39:24,706 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:39:24,709 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:39:24,711 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:39:24,712 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:39:24,712 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec2_product63.cil.c [2021-10-29 04:39:24,784 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/data/6a44d5f1d/fd3f683927c54147bb2e89bbc96669c9/FLAG67305aae9 [2021-10-29 04:39:25,350 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:39:25,351 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/sv-benchmarks/c/product-lines/minepump_spec2_product63.cil.c [2021-10-29 04:39:25,383 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/data/6a44d5f1d/fd3f683927c54147bb2e89bbc96669c9/FLAG67305aae9 [2021-10-29 04:39:25,633 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/data/6a44d5f1d/fd3f683927c54147bb2e89bbc96669c9 [2021-10-29 04:39:25,636 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:39:25,640 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:39:25,641 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:39:25,642 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:39:25,651 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:39:25,652 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:39:25" (1/1) ... [2021-10-29 04:39:25,653 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b5769f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:39:25, skipping insertion in model container [2021-10-29 04:39:25,654 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:39:25" (1/1) ... [2021-10-29 04:39:25,663 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:39:25,718 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:39:25,881 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_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/sv-benchmarks/c/product-lines/minepump_spec2_product63.cil.c[2985,2998] [2021-10-29 04:39:26,097 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:39:26,123 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-29 04:39:26,135 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:39:26,143 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_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/sv-benchmarks/c/product-lines/minepump_spec2_product63.cil.c[2985,2998] [2021-10-29 04:39:26,194 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:39:26,199 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:39:26,244 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_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/sv-benchmarks/c/product-lines/minepump_spec2_product63.cil.c[2985,2998] [2021-10-29 04:39:26,314 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:39:26,353 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:39:26,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:39:26 WrapperNode [2021-10-29 04:39:26,354 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:39:26,355 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:39:26,355 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:39:26,355 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:39:26,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:39:26" (1/1) ... [2021-10-29 04:39:26,397 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:39:26" (1/1) ... [2021-10-29 04:39:26,483 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:39:26,484 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:39:26,485 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:39:26,485 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:39:26,494 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:39:26" (1/1) ... [2021-10-29 04:39:26,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:39:26" (1/1) ... [2021-10-29 04:39:26,520 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:39:26" (1/1) ... [2021-10-29 04:39:26,529 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:39:26" (1/1) ... [2021-10-29 04:39:26,564 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:39:26" (1/1) ... [2021-10-29 04:39:26,604 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:39:26" (1/1) ... [2021-10-29 04:39:26,623 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:39:26" (1/1) ... [2021-10-29 04:39:26,630 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:39:26,631 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:39:26,631 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:39:26,632 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:39:26,632 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:39:26" (1/1) ... [2021-10-29 04:39:26,653 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 04:39:26,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 04:39:26,680 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 04:39:26,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 04:39:26,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:39:26,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 04:39:26,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:39:26,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:39:29,260 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:39:29,260 INFO L299 CfgBuilder]: Removed 354 assume(true) statements. [2021-10-29 04:39:29,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:39:29 BoogieIcfgContainer [2021-10-29 04:39:29,263 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:39:29,265 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 04:39:29,265 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 04:39:29,268 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 04:39:29,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 04:39:25" (1/3) ... [2021-10-29 04:39:29,269 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52cf2a61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:39:29, skipping insertion in model container [2021-10-29 04:39:29,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:39:26" (2/3) ... [2021-10-29 04:39:29,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52cf2a61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:39:29, skipping insertion in model container [2021-10-29 04:39:29,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:39:29" (3/3) ... [2021-10-29 04:39:29,272 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product63.cil.c [2021-10-29 04:39:29,277 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 04:39:29,278 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-29 04:39:29,330 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 04:39:29,337 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-29 04:39:29,337 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-29 04:39:29,359 INFO L276 IsEmpty]: Start isEmpty. Operand has 231 states, 227 states have (on average 1.524229074889868) internal successors, (346), 230 states have internal predecessors, (346), 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) [2021-10-29 04:39:29,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 04:39:29,366 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:39:29,367 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:39:29,367 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:39:29,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:39:29,373 INFO L85 PathProgramCache]: Analyzing trace with hash 720129344, now seen corresponding path program 1 times [2021-10-29 04:39:29,387 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:39:29,387 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1148915715] [2021-10-29 04:39:29,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:39:29,389 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:39:29,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:39:29,392 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:39:29,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-29 04:39:29,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:39:29,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-29 04:39:29,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:39:29,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:39:29,677 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:39:29,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:39:29,728 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:39:29,728 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1148915715] [2021-10-29 04:39:29,729 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1148915715] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:39:29,729 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:39:29,729 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-29 04:39:29,731 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332067733] [2021-10-29 04:39:29,751 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-29 04:39:29,752 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:39:29,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-29 04:39:29,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 04:39:29,769 INFO L87 Difference]: Start difference. First operand has 231 states, 227 states have (on average 1.524229074889868) internal successors, (346), 230 states have internal predecessors, (346), 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) [2021-10-29 04:39:29,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:39:29,813 INFO L93 Difference]: Finished difference Result 455 states and 684 transitions. [2021-10-29 04:39:29,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 04:39:29,815 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 [2021-10-29 04:39:29,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:39:29,827 INFO L225 Difference]: With dead ends: 455 [2021-10-29 04:39:29,827 INFO L226 Difference]: Without dead ends: 227 [2021-10-29 04:39:29,831 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 04:39:29,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2021-10-29 04:39:29,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2021-10-29 04:39:29,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 224 states have (on average 1.4910714285714286) internal successors, (334), 226 states have internal predecessors, (334), 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) [2021-10-29 04:39:29,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 334 transitions. [2021-10-29 04:39:29,887 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 334 transitions. Word has length 18 [2021-10-29 04:39:29,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:39:29,888 INFO L470 AbstractCegarLoop]: Abstraction has 227 states and 334 transitions. [2021-10-29 04:39:29,888 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) [2021-10-29 04:39:29,889 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 334 transitions. [2021-10-29 04:39:29,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 04:39:29,890 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:39:29,890 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:39:29,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-29 04:39:30,103 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:39:30,104 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:39:30,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:39:30,104 INFO L85 PathProgramCache]: Analyzing trace with hash -1224858909, now seen corresponding path program 1 times [2021-10-29 04:39:30,105 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:39:30,105 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1130783173] [2021-10-29 04:39:30,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:39:30,106 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:39:30,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:39:30,107 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:39:30,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-29 04:39:30,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:39:30,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 04:39:30,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:39:30,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:39:30,401 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:39:30,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:39:30,481 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:39:30,481 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1130783173] [2021-10-29 04:39:30,481 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1130783173] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:39:30,481 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:39:30,482 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-29 04:39:30,482 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574905601] [2021-10-29 04:39:30,485 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 04:39:30,485 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:39:30,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 04:39:30,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 04:39:30,490 INFO L87 Difference]: Start difference. First operand 227 states and 334 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) [2021-10-29 04:39:30,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:39:30,535 INFO L93 Difference]: Finished difference Result 227 states and 334 transitions. [2021-10-29 04:39:30,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 04:39:30,536 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 [2021-10-29 04:39:30,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:39:30,537 INFO L225 Difference]: With dead ends: 227 [2021-10-29 04:39:30,540 INFO L226 Difference]: Without dead ends: 87 [2021-10-29 04:39:30,541 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 04:39:30,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2021-10-29 04:39:30,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2021-10-29 04:39:30,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 86 states have (on average 1.4767441860465116) internal successors, (127), 86 states have internal predecessors, (127), 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) [2021-10-29 04:39:30,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 127 transitions. [2021-10-29 04:39:30,557 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 127 transitions. Word has length 19 [2021-10-29 04:39:30,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:39:30,557 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 127 transitions. [2021-10-29 04:39:30,558 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) [2021-10-29 04:39:30,558 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 127 transitions. [2021-10-29 04:39:30,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 04:39:30,560 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:39:30,566 INFO L513 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] [2021-10-29 04:39:30,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-10-29 04:39:30,782 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:39:30,782 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:39:30,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:39:30,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1431011903, now seen corresponding path program 1 times [2021-10-29 04:39:30,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:39:30,784 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [629616561] [2021-10-29 04:39:30,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:39:30,784 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:39:30,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:39:30,785 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:39:30,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-29 04:39:30,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:39:30,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 04:39:31,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:39:31,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:39:31,102 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:39:31,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:39:31,210 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:39:31,210 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [629616561] [2021-10-29 04:39:31,210 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [629616561] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:39:31,211 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:39:31,211 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-29 04:39:31,211 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061585302] [2021-10-29 04:39:31,212 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 04:39:31,212 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:39:31,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 04:39:31,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 04:39:31,223 INFO L87 Difference]: Start difference. First operand 87 states and 127 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 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) [2021-10-29 04:39:31,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:39:31,272 INFO L93 Difference]: Finished difference Result 271 states and 403 transitions. [2021-10-29 04:39:31,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 04:39:31,284 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 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 [2021-10-29 04:39:31,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:39:31,286 INFO L225 Difference]: With dead ends: 271 [2021-10-29 04:39:31,286 INFO L226 Difference]: Without dead ends: 191 [2021-10-29 04:39:31,287 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 04:39:31,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2021-10-29 04:39:31,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 107. [2021-10-29 04:39:31,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 106 states have (on average 1.490566037735849) internal successors, (158), 106 states have internal predecessors, (158), 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) [2021-10-29 04:39:31,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 158 transitions. [2021-10-29 04:39:31,307 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 158 transitions. Word has length 24 [2021-10-29 04:39:31,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:39:31,308 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 158 transitions. [2021-10-29 04:39:31,308 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 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) [2021-10-29 04:39:31,308 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 158 transitions. [2021-10-29 04:39:31,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 04:39:31,309 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:39:31,309 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:39:31,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-29 04:39:31,521 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:39:31,522 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:39:31,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:39:31,523 INFO L85 PathProgramCache]: Analyzing trace with hash -1446560635, now seen corresponding path program 1 times [2021-10-29 04:39:31,523 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:39:31,524 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2128190326] [2021-10-29 04:39:31,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:39:31,524 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:39:31,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:39:31,528 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:39:31,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-29 04:39:31,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:39:31,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 04:39:31,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:39:31,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:39:31,827 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:39:31,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:39:31,955 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:39:31,955 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2128190326] [2021-10-29 04:39:31,955 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2128190326] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:39:31,956 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:39:31,956 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-29 04:39:31,956 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191896067] [2021-10-29 04:39:31,956 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 04:39:31,956 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:39:31,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 04:39:31,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 04:39:31,957 INFO L87 Difference]: Start difference. First operand 107 states and 158 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 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) [2021-10-29 04:39:32,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:39:32,020 INFO L93 Difference]: Finished difference Result 214 states and 319 transitions. [2021-10-29 04:39:32,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 04:39:32,021 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-10-29 04:39:32,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:39:32,023 INFO L225 Difference]: With dead ends: 214 [2021-10-29 04:39:32,023 INFO L226 Difference]: Without dead ends: 114 [2021-10-29 04:39:32,025 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 04:39:32,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2021-10-29 04:39:32,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 112. [2021-10-29 04:39:32,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 111 states have (on average 1.4414414414414414) internal successors, (160), 111 states have internal predecessors, (160), 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) [2021-10-29 04:39:32,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 160 transitions. [2021-10-29 04:39:32,058 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 160 transitions. Word has length 27 [2021-10-29 04:39:32,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:39:32,059 INFO L470 AbstractCegarLoop]: Abstraction has 112 states and 160 transitions. [2021-10-29 04:39:32,059 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 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) [2021-10-29 04:39:32,059 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 160 transitions. [2021-10-29 04:39:32,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 04:39:32,060 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:39:32,061 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:39:32,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-10-29 04:39:32,273 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:39:32,273 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:39:32,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:39:32,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1752519880, now seen corresponding path program 1 times [2021-10-29 04:39:32,274 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:39:32,274 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1331013520] [2021-10-29 04:39:32,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:39:32,275 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:39:32,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:39:32,276 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:39:32,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-29 04:39:32,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:39:32,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 04:39:32,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:39:32,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:39:32,621 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:39:32,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:39:32,721 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:39:32,721 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1331013520] [2021-10-29 04:39:32,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1331013520] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:39:32,721 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:39:32,722 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-29 04:39:32,722 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652330575] [2021-10-29 04:39:32,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 04:39:32,722 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:39:32,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 04:39:32,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 04:39:32,723 INFO L87 Difference]: Start difference. First operand 112 states and 160 transitions. Second operand has 5 states, 5 states have (on average 5.4) 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) [2021-10-29 04:39:32,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:39:32,916 INFO L93 Difference]: Finished difference Result 534 states and 773 transitions. [2021-10-29 04:39:32,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 04:39:32,917 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) 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 27 [2021-10-29 04:39:32,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:39:32,921 INFO L225 Difference]: With dead ends: 534 [2021-10-29 04:39:32,921 INFO L226 Difference]: Without dead ends: 429 [2021-10-29 04:39:32,923 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-29 04:39:32,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2021-10-29 04:39:32,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 206. [2021-10-29 04:39:32,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 205 states have (on average 1.4195121951219511) internal successors, (291), 205 states have internal predecessors, (291), 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) [2021-10-29 04:39:32,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 291 transitions. [2021-10-29 04:39:32,974 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 291 transitions. Word has length 27 [2021-10-29 04:39:32,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:39:32,975 INFO L470 AbstractCegarLoop]: Abstraction has 206 states and 291 transitions. [2021-10-29 04:39:32,975 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) 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) [2021-10-29 04:39:32,975 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 291 transitions. [2021-10-29 04:39:32,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 04:39:32,981 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:39:32,981 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:39:32,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-29 04:39:33,194 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:39:33,195 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:39:33,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:39:33,195 INFO L85 PathProgramCache]: Analyzing trace with hash 318374720, now seen corresponding path program 1 times [2021-10-29 04:39:33,196 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:39:33,196 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1003689503] [2021-10-29 04:39:33,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:39:33,197 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:39:33,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:39:33,198 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:39:33,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-29 04:39:33,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:39:33,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 04:39:33,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:39:33,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:39:33,528 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:39:33,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:39:33,607 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:39:33,607 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1003689503] [2021-10-29 04:39:33,607 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1003689503] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:39:33,608 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:39:33,608 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-29 04:39:33,608 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743783843] [2021-10-29 04:39:33,608 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 04:39:33,608 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:39:33,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 04:39:33,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 04:39:33,609 INFO L87 Difference]: Start difference. First operand 206 states and 291 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2021-10-29 04:39:33,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:39:33,827 INFO L93 Difference]: Finished difference Result 781 states and 1107 transitions. [2021-10-29 04:39:33,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-29 04:39:33,827 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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 28 [2021-10-29 04:39:33,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:39:33,831 INFO L225 Difference]: With dead ends: 781 [2021-10-29 04:39:33,831 INFO L226 Difference]: Without dead ends: 582 [2021-10-29 04:39:33,832 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-29 04:39:33,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2021-10-29 04:39:33,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 204. [2021-10-29 04:39:33,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 203 states have (on average 1.4039408866995073) internal successors, (285), 203 states have internal predecessors, (285), 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) [2021-10-29 04:39:33,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 285 transitions. [2021-10-29 04:39:33,857 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 285 transitions. Word has length 28 [2021-10-29 04:39:33,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:39:33,857 INFO L470 AbstractCegarLoop]: Abstraction has 204 states and 285 transitions. [2021-10-29 04:39:33,857 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2021-10-29 04:39:33,858 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 285 transitions. [2021-10-29 04:39:33,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-29 04:39:33,859 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:39:33,859 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:39:33,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-29 04:39:34,074 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:39:34,074 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:39:34,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:39:34,075 INFO L85 PathProgramCache]: Analyzing trace with hash -1977068216, now seen corresponding path program 1 times [2021-10-29 04:39:34,075 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:39:34,076 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2042377932] [2021-10-29 04:39:34,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:39:34,076 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:39:34,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:39:34,077 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:39:34,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-29 04:39:34,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:39:34,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 04:39:34,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:39:34,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:39:34,436 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:39:34,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:39:34,526 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:39:34,527 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2042377932] [2021-10-29 04:39:34,527 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2042377932] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:39:34,527 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:39:34,527 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-29 04:39:34,527 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043522290] [2021-10-29 04:39:34,528 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 04:39:34,528 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:39:34,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 04:39:34,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 04:39:34,530 INFO L87 Difference]: Start difference. First operand 204 states and 285 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:39:34,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:39:34,652 INFO L93 Difference]: Finished difference Result 573 states and 793 transitions. [2021-10-29 04:39:34,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-29 04:39:34,653 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-10-29 04:39:34,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:39:34,657 INFO L225 Difference]: With dead ends: 573 [2021-10-29 04:39:34,657 INFO L226 Difference]: Without dead ends: 376 [2021-10-29 04:39:34,658 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-29 04:39:34,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2021-10-29 04:39:34,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 222. [2021-10-29 04:39:34,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 221 states have (on average 1.3710407239819005) internal successors, (303), 221 states have internal predecessors, (303), 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) [2021-10-29 04:39:34,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 303 transitions. [2021-10-29 04:39:34,686 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 303 transitions. Word has length 37 [2021-10-29 04:39:34,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:39:34,686 INFO L470 AbstractCegarLoop]: Abstraction has 222 states and 303 transitions. [2021-10-29 04:39:34,686 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:39:34,687 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 303 transitions. [2021-10-29 04:39:34,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-29 04:39:34,689 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:39:34,689 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:39:34,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-29 04:39:34,902 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:39:34,903 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:39:34,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:39:34,904 INFO L85 PathProgramCache]: Analyzing trace with hash 1306781830, now seen corresponding path program 1 times [2021-10-29 04:39:34,904 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:39:34,904 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [769143041] [2021-10-29 04:39:34,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:39:34,905 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:39:34,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:39:34,906 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:39:34,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-29 04:39:35,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:39:35,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-29 04:39:35,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:39:35,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:39:35,268 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:39:35,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:39:35,362 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:39:35,362 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [769143041] [2021-10-29 04:39:35,362 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [769143041] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:39:35,362 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:39:35,362 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-29 04:39:35,363 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223021675] [2021-10-29 04:39:35,363 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 04:39:35,363 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:39:35,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 04:39:35,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-29 04:39:35,364 INFO L87 Difference]: Start difference. First operand 222 states and 303 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 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) [2021-10-29 04:39:35,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:39:35,484 INFO L93 Difference]: Finished difference Result 623 states and 843 transitions. [2021-10-29 04:39:35,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 04:39:35,485 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 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 37 [2021-10-29 04:39:35,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:39:35,489 INFO L225 Difference]: With dead ends: 623 [2021-10-29 04:39:35,489 INFO L226 Difference]: Without dead ends: 408 [2021-10-29 04:39:35,491 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-29 04:39:35,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2021-10-29 04:39:35,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 234. [2021-10-29 04:39:35,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 233 states have (on average 1.351931330472103) internal successors, (315), 233 states have internal predecessors, (315), 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) [2021-10-29 04:39:35,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 315 transitions. [2021-10-29 04:39:35,525 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 315 transitions. Word has length 37 [2021-10-29 04:39:35,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:39:35,526 INFO L470 AbstractCegarLoop]: Abstraction has 234 states and 315 transitions. [2021-10-29 04:39:35,526 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 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) [2021-10-29 04:39:35,526 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 315 transitions. [2021-10-29 04:39:35,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-29 04:39:35,528 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:39:35,528 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:39:35,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-29 04:39:35,744 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:39:35,745 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:39:35,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:39:35,745 INFO L85 PathProgramCache]: Analyzing trace with hash 285713476, now seen corresponding path program 1 times [2021-10-29 04:39:35,746 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:39:35,746 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [104628195] [2021-10-29 04:39:35,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:39:35,746 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:39:35,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:39:35,747 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:39:35,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-29 04:39:36,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:39:36,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 04:39:36,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:39:36,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:39:36,153 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:39:36,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:39:36,276 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:39:36,276 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [104628195] [2021-10-29 04:39:36,277 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [104628195] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:39:36,277 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:39:36,277 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-29 04:39:36,277 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86220969] [2021-10-29 04:39:36,277 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 04:39:36,278 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:39:36,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 04:39:36,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 04:39:36,278 INFO L87 Difference]: Start difference. First operand 234 states and 315 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 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) [2021-10-29 04:39:36,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:39:36,380 INFO L93 Difference]: Finished difference Result 718 states and 971 transitions. [2021-10-29 04:39:36,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 04:39:36,381 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 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 37 [2021-10-29 04:39:36,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:39:36,384 INFO L225 Difference]: With dead ends: 718 [2021-10-29 04:39:36,384 INFO L226 Difference]: Without dead ends: 491 [2021-10-29 04:39:36,385 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 04:39:36,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2021-10-29 04:39:36,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 399. [2021-10-29 04:39:36,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 398 states have (on average 1.3366834170854272) internal successors, (532), 398 states have internal predecessors, (532), 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) [2021-10-29 04:39:36,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 532 transitions. [2021-10-29 04:39:36,441 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 532 transitions. Word has length 37 [2021-10-29 04:39:36,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:39:36,441 INFO L470 AbstractCegarLoop]: Abstraction has 399 states and 532 transitions. [2021-10-29 04:39:36,441 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 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) [2021-10-29 04:39:36,441 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 532 transitions. [2021-10-29 04:39:36,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-29 04:39:36,442 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:39:36,443 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:39:36,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-29 04:39:36,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:39:36,655 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:39:36,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:39:36,655 INFO L85 PathProgramCache]: Analyzing trace with hash 1821511428, now seen corresponding path program 1 times [2021-10-29 04:39:36,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:39:36,656 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [931478346] [2021-10-29 04:39:36,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:39:36,656 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:39:36,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:39:36,657 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:39:36,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-29 04:39:36,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:39:36,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 04:39:36,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:39:37,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:39:37,053 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:39:37,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:39:37,226 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:39:37,226 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [931478346] [2021-10-29 04:39:37,226 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [931478346] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:39:37,226 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:39:37,227 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-10-29 04:39:37,227 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732927700] [2021-10-29 04:39:37,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-29 04:39:37,227 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:39:37,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-29 04:39:37,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-10-29 04:39:37,228 INFO L87 Difference]: Start difference. First operand 399 states and 532 transitions. Second operand has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 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) [2021-10-29 04:39:39,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:39:39,125 INFO L93 Difference]: Finished difference Result 1773 states and 2329 transitions. [2021-10-29 04:39:39,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-29 04:39:39,125 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 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) Word has length 38 [2021-10-29 04:39:39,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:39:39,134 INFO L225 Difference]: With dead ends: 1773 [2021-10-29 04:39:39,134 INFO L226 Difference]: Without dead ends: 1381 [2021-10-29 04:39:39,136 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=118, Invalid=302, Unknown=0, NotChecked=0, Total=420 [2021-10-29 04:39:39,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1381 states. [2021-10-29 04:39:39,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1381 to 399. [2021-10-29 04:39:39,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 398 states have (on average 1.314070351758794) internal successors, (523), 398 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:39:39,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 523 transitions. [2021-10-29 04:39:39,212 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 523 transitions. Word has length 38 [2021-10-29 04:39:39,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:39:39,212 INFO L470 AbstractCegarLoop]: Abstraction has 399 states and 523 transitions. [2021-10-29 04:39:39,212 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 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) [2021-10-29 04:39:39,213 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 523 transitions. [2021-10-29 04:39:39,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-10-29 04:39:39,214 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:39:39,214 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:39:39,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-29 04:39:39,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:39:39,427 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:39:39,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:39:39,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1572853591, now seen corresponding path program 1 times [2021-10-29 04:39:39,429 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:39:39,429 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [417452010] [2021-10-29 04:39:39,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:39:39,429 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:39:39,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:39:39,430 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:39:39,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-29 04:39:39,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:39:39,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 04:39:39,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:39:39,911 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-29 04:39:39,912 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:39:40,087 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-29 04:39:40,088 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:39:40,088 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [417452010] [2021-10-29 04:39:40,088 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [417452010] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:39:40,088 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:39:40,088 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-10-29 04:39:40,089 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174379082] [2021-10-29 04:39:40,089 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-29 04:39:40,089 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:39:40,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-29 04:39:40,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-10-29 04:39:40,090 INFO L87 Difference]: Start difference. First operand 399 states and 523 transitions. Second operand has 10 states, 10 states have (on average 6.9) internal successors, (69), 10 states have internal predecessors, (69), 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) [2021-10-29 04:39:43,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:39:43,426 INFO L93 Difference]: Finished difference Result 1395 states and 1821 transitions. [2021-10-29 04:39:43,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-29 04:39:43,426 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.9) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2021-10-29 04:39:43,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:39:43,427 INFO L225 Difference]: With dead ends: 1395 [2021-10-29 04:39:43,427 INFO L226 Difference]: Without dead ends: 0 [2021-10-29 04:39:43,429 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=118, Invalid=302, Unknown=0, NotChecked=0, Total=420 [2021-10-29 04:39:43,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-29 04:39:43,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-29 04:39:43,430 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) [2021-10-29 04:39:43,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-29 04:39:43,430 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2021-10-29 04:39:43,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:39:43,430 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 04:39:43,431 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.9) internal successors, (69), 10 states have internal predecessors, (69), 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) [2021-10-29 04:39:43,431 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-29 04:39:43,431 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 04:39:43,436 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 04:39:43,437 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 04:39:43,437 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 04:39:43,452 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-10-29 04:39:43,650 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:39:43,652 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-29 04:39:43,657 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:43,688 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:43,780 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:43,781 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:43,849 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:43,850 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:43,851 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:43,851 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:43,852 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:43,852 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:43,853 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:43,865 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:43,866 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:43,882 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:43,883 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:43,884 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:43,896 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:45,124 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:45,125 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:45,126 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:45,127 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:45,127 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:45,137 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:45,138 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:45,140 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:45,146 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:46,063 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:46,064 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:46,715 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:46,715 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:46,716 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:46,717 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:46,750 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:46,752 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:46,752 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:46,753 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:46,753 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:46,753 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:46,754 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:46,754 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:46,754 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:46,912 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:46,913 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:46,990 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:46,992 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:46,993 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:46,994 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:46,996 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:46,997 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:46,997 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:46,998 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:46,998 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:47,003 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:47,004 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:47,005 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:47,227 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:47,228 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:47,228 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:47,236 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:47,237 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:47,242 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:47,243 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:47,243 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:47,244 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:47,244 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:47,245 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:47,245 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:47,246 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:47,247 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:47,464 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:47,464 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:47,465 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:47,467 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:47,941 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:47,941 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:47,942 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:47,942 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:47,943 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:47,943 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:47,943 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:47,952 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:48,181 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:48,182 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:48,183 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:48,183 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:48,304 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:48,304 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:48,305 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:48,305 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:48,306 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:48,313 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:48,321 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:39:48,322 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:40:00,561 INFO L853 garLoopResultBuilder]: At program point L299-10(lines 290 303) the Hoare annotation is: false [2021-10-29 04:40:00,562 INFO L853 garLoopResultBuilder]: At program point L299-11(lines 290 303) the Hoare annotation is: false [2021-10-29 04:40:00,562 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 160) no Hoare annotation was computed. [2021-10-29 04:40:00,562 INFO L853 garLoopResultBuilder]: At program point L173(lines 168 175) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 04:40:00,562 INFO L853 garLoopResultBuilder]: At program point L373(lines 324 374) the Hoare annotation is: false [2021-10-29 04:40:00,562 INFO L857 garLoopResultBuilder]: For program point L241(lines 241 245) no Hoare annotation was computed. [2021-10-29 04:40:00,562 INFO L853 garLoopResultBuilder]: At program point L309(lines 304 312) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32)))) [2021-10-29 04:40:00,563 INFO L853 garLoopResultBuilder]: At program point L309-1(lines 304 312) the Hoare annotation is: false [2021-10-29 04:40:00,563 INFO L853 garLoopResultBuilder]: At program point L309-2(lines 304 312) the Hoare annotation is: false [2021-10-29 04:40:00,563 INFO L853 garLoopResultBuilder]: At program point L309-3(lines 304 312) the Hoare annotation is: false [2021-10-29 04:40:00,563 INFO L853 garLoopResultBuilder]: At program point L309-4(lines 304 312) the Hoare annotation is: false [2021-10-29 04:40:00,563 INFO L853 garLoopResultBuilder]: At program point L309-5(lines 304 312) the Hoare annotation is: false [2021-10-29 04:40:00,563 INFO L853 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 04:40:00,563 INFO L857 garLoopResultBuilder]: For program point L511(lines 511 517) no Hoare annotation was computed. [2021-10-29 04:40:00,564 INFO L857 garLoopResultBuilder]: For program point L511-2(lines 511 517) no Hoare annotation was computed. [2021-10-29 04:40:00,564 INFO L857 garLoopResultBuilder]: For program point L511-4(lines 511 517) no Hoare annotation was computed. [2021-10-29 04:40:00,564 INFO L857 garLoopResultBuilder]: For program point L511-6(lines 511 517) no Hoare annotation was computed. [2021-10-29 04:40:00,564 INFO L857 garLoopResultBuilder]: For program point L511-8(lines 511 517) no Hoare annotation was computed. [2021-10-29 04:40:00,564 INFO L857 garLoopResultBuilder]: For program point L511-10(lines 511 517) no Hoare annotation was computed. [2021-10-29 04:40:00,564 INFO L857 garLoopResultBuilder]: For program point L511-12(lines 511 517) no Hoare annotation was computed. [2021-10-29 04:40:00,565 INFO L857 garLoopResultBuilder]: For program point L511-14(lines 511 517) no Hoare annotation was computed. [2021-10-29 04:40:00,565 INFO L857 garLoopResultBuilder]: For program point L511-16(lines 511 517) no Hoare annotation was computed. [2021-10-29 04:40:00,565 INFO L857 garLoopResultBuilder]: For program point L511-18(lines 511 517) no Hoare annotation was computed. [2021-10-29 04:40:00,565 INFO L857 garLoopResultBuilder]: For program point L511-20(lines 511 517) no Hoare annotation was computed. [2021-10-29 04:40:00,565 INFO L857 garLoopResultBuilder]: For program point L511-22(lines 511 517) no Hoare annotation was computed. [2021-10-29 04:40:00,565 INFO L857 garLoopResultBuilder]: For program point L184(lines 184 201) no Hoare annotation was computed. [2021-10-29 04:40:00,565 INFO L853 garLoopResultBuilder]: At program point L184-1(lines 1 1038) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~1)) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse5 .cse2) (and .cse0 .cse1 .cse4 .cse5 .cse3) (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse3))) [2021-10-29 04:40:00,566 INFO L857 garLoopResultBuilder]: For program point L184-2(lines 184 201) no Hoare annotation was computed. [2021-10-29 04:40:00,566 INFO L853 garLoopResultBuilder]: At program point L184-3(lines 1 1038) the Hoare annotation is: false [2021-10-29 04:40:00,566 INFO L857 garLoopResultBuilder]: For program point L184-4(lines 184 201) no Hoare annotation was computed. [2021-10-29 04:40:00,566 INFO L853 garLoopResultBuilder]: At program point L184-5(lines 1 1038) the Hoare annotation is: false [2021-10-29 04:40:00,566 INFO L857 garLoopResultBuilder]: For program point L449(lines 449 466) no Hoare annotation was computed. [2021-10-29 04:40:00,566 INFO L857 garLoopResultBuilder]: For program point L449-1(lines 449 466) no Hoare annotation was computed. [2021-10-29 04:40:00,567 INFO L857 garLoopResultBuilder]: For program point L449-2(lines 449 466) no Hoare annotation was computed. [2021-10-29 04:40:00,567 INFO L857 garLoopResultBuilder]: For program point L449-3(lines 449 466) no Hoare annotation was computed. [2021-10-29 04:40:00,567 INFO L857 garLoopResultBuilder]: For program point L449-4(lines 449 466) no Hoare annotation was computed. [2021-10-29 04:40:00,567 INFO L857 garLoopResultBuilder]: For program point L449-5(lines 449 466) no Hoare annotation was computed. [2021-10-29 04:40:00,567 INFO L853 garLoopResultBuilder]: At program point L254(lines 249 257) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse1) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1))) [2021-10-29 04:40:00,567 INFO L853 garLoopResultBuilder]: At program point L254-1(lines 249 257) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 04:40:00,568 INFO L853 garLoopResultBuilder]: At program point L254-2(lines 249 257) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 04:40:00,568 INFO L857 garLoopResultBuilder]: For program point L188(lines 188 198) no Hoare annotation was computed. [2021-10-29 04:40:00,568 INFO L853 garLoopResultBuilder]: At program point L254-3(lines 249 257) the Hoare annotation is: false [2021-10-29 04:40:00,568 INFO L853 garLoopResultBuilder]: At program point L254-4(lines 249 257) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse1 .cse2) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 .cse2))) [2021-10-29 04:40:00,568 INFO L857 garLoopResultBuilder]: For program point L188-2(lines 188 198) no Hoare annotation was computed. [2021-10-29 04:40:00,568 INFO L853 garLoopResultBuilder]: At program point L254-5(lines 249 257) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (not (= ~systemActive~0 (_ bv0 32)))) (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse3))) [2021-10-29 04:40:00,568 INFO L853 garLoopResultBuilder]: At program point L254-6(lines 249 257) the Hoare annotation is: false [2021-10-29 04:40:00,568 INFO L857 garLoopResultBuilder]: For program point L188-4(lines 188 198) no Hoare annotation was computed. [2021-10-29 04:40:00,568 INFO L853 garLoopResultBuilder]: At program point L254-7(lines 249 257) the Hoare annotation is: false [2021-10-29 04:40:00,568 INFO L853 garLoopResultBuilder]: At program point L254-8(lines 249 257) the Hoare annotation is: false [2021-10-29 04:40:00,568 INFO L853 garLoopResultBuilder]: At program point L254-9(lines 249 257) the Hoare annotation is: false [2021-10-29 04:40:00,569 INFO L853 garLoopResultBuilder]: At program point L254-10(lines 249 257) the Hoare annotation is: false [2021-10-29 04:40:00,569 INFO L853 garLoopResultBuilder]: At program point L254-11(lines 249 257) the Hoare annotation is: false [2021-10-29 04:40:00,569 INFO L853 garLoopResultBuilder]: At program point L254-12(lines 249 257) the Hoare annotation is: false [2021-10-29 04:40:00,569 INFO L853 garLoopResultBuilder]: At program point L254-13(lines 249 257) the Hoare annotation is: false [2021-10-29 04:40:00,569 INFO L853 garLoopResultBuilder]: At program point L254-14(lines 249 257) the Hoare annotation is: false [2021-10-29 04:40:00,569 INFO L853 garLoopResultBuilder]: At program point L254-15(lines 249 257) the Hoare annotation is: false [2021-10-29 04:40:00,569 INFO L853 garLoopResultBuilder]: At program point L254-16(lines 249 257) the Hoare annotation is: false [2021-10-29 04:40:00,569 INFO L853 garLoopResultBuilder]: At program point L254-17(lines 249 257) the Hoare annotation is: false [2021-10-29 04:40:00,569 INFO L857 garLoopResultBuilder]: For program point L453(lines 453 461) no Hoare annotation was computed. [2021-10-29 04:40:00,569 INFO L857 garLoopResultBuilder]: For program point L453-1(lines 453 461) no Hoare annotation was computed. [2021-10-29 04:40:00,569 INFO L857 garLoopResultBuilder]: For program point L453-2(lines 453 461) no Hoare annotation was computed. [2021-10-29 04:40:00,569 INFO L857 garLoopResultBuilder]: For program point L453-3(lines 453 461) no Hoare annotation was computed. [2021-10-29 04:40:00,570 INFO L857 garLoopResultBuilder]: For program point L453-4(lines 453 461) no Hoare annotation was computed. [2021-10-29 04:40:00,570 INFO L857 garLoopResultBuilder]: For program point L453-5(lines 453 461) no Hoare annotation was computed. [2021-10-29 04:40:00,570 INFO L857 garLoopResultBuilder]: For program point L189(lines 189 195) no Hoare annotation was computed. [2021-10-29 04:40:00,570 INFO L857 garLoopResultBuilder]: For program point L189-2(lines 189 195) no Hoare annotation was computed. [2021-10-29 04:40:00,570 INFO L857 garLoopResultBuilder]: For program point L189-4(lines 189 195) no Hoare annotation was computed. [2021-10-29 04:40:00,570 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-29 04:40:00,570 INFO L853 garLoopResultBuilder]: At program point L391(lines 390 409) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse1 .cse3) (and .cse0 .cse4 .cse2) (and .cse0 .cse4 .cse3))) [2021-10-29 04:40:00,571 INFO L857 garLoopResultBuilder]: For program point L391-1(lines 391 397) no Hoare annotation was computed. [2021-10-29 04:40:00,571 INFO L853 garLoopResultBuilder]: At program point L391-2(lines 390 409) the Hoare annotation is: false [2021-10-29 04:40:00,571 INFO L853 garLoopResultBuilder]: At program point L391-3(lines 390 409) the Hoare annotation is: false [2021-10-29 04:40:00,571 INFO L857 garLoopResultBuilder]: For program point L326(lines 325 372) no Hoare annotation was computed. [2021-10-29 04:40:00,571 INFO L853 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: false [2021-10-29 04:40:00,571 INFO L857 garLoopResultBuilder]: For program point L327(lines 327 331) no Hoare annotation was computed. [2021-10-29 04:40:00,572 INFO L857 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2021-10-29 04:40:00,572 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-29 04:40:00,572 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 160) no Hoare annotation was computed. [2021-10-29 04:40:00,572 INFO L857 garLoopResultBuilder]: For program point L594(lines 594 598) no Hoare annotation was computed. [2021-10-29 04:40:00,572 INFO L857 garLoopResultBuilder]: For program point L594-2(lines 594 598) no Hoare annotation was computed. [2021-10-29 04:40:00,572 INFO L857 garLoopResultBuilder]: For program point L594-3(lines 594 598) no Hoare annotation was computed. [2021-10-29 04:40:00,573 INFO L857 garLoopResultBuilder]: For program point L594-5(lines 594 598) no Hoare annotation was computed. [2021-10-29 04:40:00,573 INFO L857 garLoopResultBuilder]: For program point L594-6(lines 594 598) no Hoare annotation was computed. [2021-10-29 04:40:00,573 INFO L857 garLoopResultBuilder]: For program point L594-8(lines 594 598) no Hoare annotation was computed. [2021-10-29 04:40:00,573 INFO L857 garLoopResultBuilder]: For program point L594-9(lines 594 598) no Hoare annotation was computed. [2021-10-29 04:40:00,573 INFO L857 garLoopResultBuilder]: For program point L594-11(lines 594 598) no Hoare annotation was computed. [2021-10-29 04:40:00,573 INFO L857 garLoopResultBuilder]: For program point L594-12(lines 594 598) no Hoare annotation was computed. [2021-10-29 04:40:00,573 INFO L857 garLoopResultBuilder]: For program point L594-14(lines 594 598) no Hoare annotation was computed. [2021-10-29 04:40:00,574 INFO L857 garLoopResultBuilder]: For program point L594-15(lines 594 598) no Hoare annotation was computed. [2021-10-29 04:40:00,574 INFO L857 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2021-10-29 04:40:00,574 INFO L857 garLoopResultBuilder]: For program point L594-17(lines 594 598) no Hoare annotation was computed. [2021-10-29 04:40:00,574 INFO L857 garLoopResultBuilder]: For program point L66-1(lines 391 397) no Hoare annotation was computed. [2021-10-29 04:40:00,574 INFO L857 garLoopResultBuilder]: For program point L594-18(lines 594 598) no Hoare annotation was computed. [2021-10-29 04:40:00,574 INFO L857 garLoopResultBuilder]: For program point L594-20(lines 594 598) no Hoare annotation was computed. [2021-10-29 04:40:00,574 INFO L857 garLoopResultBuilder]: For program point L594-21(lines 594 598) no Hoare annotation was computed. [2021-10-29 04:40:00,575 INFO L857 garLoopResultBuilder]: For program point L594-23(lines 594 598) no Hoare annotation was computed. [2021-10-29 04:40:00,575 INFO L857 garLoopResultBuilder]: For program point L594-24(lines 594 598) no Hoare annotation was computed. [2021-10-29 04:40:00,575 INFO L857 garLoopResultBuilder]: For program point L594-26(lines 594 598) no Hoare annotation was computed. [2021-10-29 04:40:00,575 INFO L857 garLoopResultBuilder]: For program point L594-27(lines 594 598) no Hoare annotation was computed. [2021-10-29 04:40:00,575 INFO L853 garLoopResultBuilder]: At program point L661(lines 1 1038) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 04:40:00,575 INFO L857 garLoopResultBuilder]: For program point L594-29(lines 594 598) no Hoare annotation was computed. [2021-10-29 04:40:00,575 INFO L857 garLoopResultBuilder]: For program point L594-30(lines 594 598) no Hoare annotation was computed. [2021-10-29 04:40:00,576 INFO L857 garLoopResultBuilder]: For program point L594-32(lines 594 598) no Hoare annotation was computed. [2021-10-29 04:40:00,576 INFO L857 garLoopResultBuilder]: For program point L594-33(lines 594 598) no Hoare annotation was computed. [2021-10-29 04:40:00,576 INFO L857 garLoopResultBuilder]: For program point L594-35(lines 594 598) no Hoare annotation was computed. [2021-10-29 04:40:00,576 INFO L853 garLoopResultBuilder]: At program point L398(lines 398 404) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse1) (and .cse0 .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32)))) (and .cse0 .cse2 .cse1))) [2021-10-29 04:40:00,576 INFO L853 garLoopResultBuilder]: At program point L398-1(lines 398 404) the Hoare annotation is: false [2021-10-29 04:40:00,576 INFO L853 garLoopResultBuilder]: At program point L398-2(lines 398 404) the Hoare annotation is: false [2021-10-29 04:40:00,576 INFO L857 garLoopResultBuilder]: For program point L335(lines 335 341) no Hoare annotation was computed. [2021-10-29 04:40:00,577 INFO L853 garLoopResultBuilder]: At program point L335-1(lines 335 341) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~1)) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse5 .cse2) (and .cse0 .cse1 .cse4 .cse5 .cse3) (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse3))) [2021-10-29 04:40:00,577 INFO L853 garLoopResultBuilder]: At program point L600(lines 585 603) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 04:40:00,577 INFO L853 garLoopResultBuilder]: At program point L600-1(lines 585 603) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 04:40:00,577 INFO L853 garLoopResultBuilder]: At program point L600-2(lines 585 603) the Hoare annotation is: false [2021-10-29 04:40:00,577 INFO L853 garLoopResultBuilder]: At program point L600-3(lines 585 603) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2) (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse1 .cse2))) [2021-10-29 04:40:00,578 INFO L853 garLoopResultBuilder]: At program point L600-4(lines 585 603) the Hoare annotation is: false [2021-10-29 04:40:00,578 INFO L853 garLoopResultBuilder]: At program point L600-5(lines 585 603) the Hoare annotation is: false [2021-10-29 04:40:00,578 INFO L853 garLoopResultBuilder]: At program point L600-6(lines 585 603) the Hoare annotation is: false [2021-10-29 04:40:00,578 INFO L853 garLoopResultBuilder]: At program point L600-7(lines 585 603) the Hoare annotation is: false [2021-10-29 04:40:00,578 INFO L853 garLoopResultBuilder]: At program point L600-8(lines 585 603) the Hoare annotation is: false [2021-10-29 04:40:00,578 INFO L853 garLoopResultBuilder]: At program point L600-9(lines 585 603) the Hoare annotation is: false [2021-10-29 04:40:00,578 INFO L853 garLoopResultBuilder]: At program point L600-10(lines 585 603) the Hoare annotation is: false [2021-10-29 04:40:00,579 INFO L853 garLoopResultBuilder]: At program point L600-11(lines 585 603) the Hoare annotation is: false [2021-10-29 04:40:00,579 INFO L853 garLoopResultBuilder]: At program point L536(lines 529 539) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1) (and .cse0 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse1))) [2021-10-29 04:40:00,579 INFO L853 garLoopResultBuilder]: At program point L536-1(lines 529 539) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 04:40:00,579 INFO L853 garLoopResultBuilder]: At program point L536-2(lines 529 539) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 04:40:00,579 INFO L853 garLoopResultBuilder]: At program point L536-3(lines 529 539) the Hoare annotation is: false [2021-10-29 04:40:00,579 INFO L853 garLoopResultBuilder]: At program point L536-4(lines 529 539) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse1 .cse2) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 .cse2))) [2021-10-29 04:40:00,580 INFO L853 garLoopResultBuilder]: At program point L536-5(lines 529 539) the Hoare annotation is: false [2021-10-29 04:40:00,580 INFO L853 garLoopResultBuilder]: At program point L536-6(lines 529 539) the Hoare annotation is: false [2021-10-29 04:40:00,580 INFO L853 garLoopResultBuilder]: At program point L536-7(lines 529 539) the Hoare annotation is: false [2021-10-29 04:40:00,580 INFO L853 garLoopResultBuilder]: At program point L536-8(lines 529 539) the Hoare annotation is: false [2021-10-29 04:40:00,580 INFO L853 garLoopResultBuilder]: At program point L536-9(lines 529 539) the Hoare annotation is: false [2021-10-29 04:40:00,580 INFO L853 garLoopResultBuilder]: At program point L536-10(lines 529 539) the Hoare annotation is: false [2021-10-29 04:40:00,581 INFO L853 garLoopResultBuilder]: At program point L536-11(lines 529 539) the Hoare annotation is: false [2021-10-29 04:40:00,581 INFO L853 garLoopResultBuilder]: At program point L536-12(lines 529 539) the Hoare annotation is: false [2021-10-29 04:40:00,581 INFO L853 garLoopResultBuilder]: At program point L536-13(lines 529 539) the Hoare annotation is: false [2021-10-29 04:40:00,581 INFO L853 garLoopResultBuilder]: At program point L536-14(lines 529 539) the Hoare annotation is: false [2021-10-29 04:40:00,581 INFO L853 garLoopResultBuilder]: At program point L669(lines 664 672) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 04:40:00,581 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 160) no Hoare annotation was computed. [2021-10-29 04:40:00,582 INFO L857 garLoopResultBuilder]: For program point L142(lines 142 149) no Hoare annotation was computed. [2021-10-29 04:40:00,582 INFO L860 garLoopResultBuilder]: At program point L142-1(lines 142 149) the Hoare annotation is: true [2021-10-29 04:40:00,582 INFO L857 garLoopResultBuilder]: For program point L475(lines 475 492) no Hoare annotation was computed. [2021-10-29 04:40:00,582 INFO L857 garLoopResultBuilder]: For program point L475-1(lines 475 492) no Hoare annotation was computed. [2021-10-29 04:40:00,582 INFO L857 garLoopResultBuilder]: For program point L475-2(lines 475 492) no Hoare annotation was computed. [2021-10-29 04:40:00,582 INFO L857 garLoopResultBuilder]: For program point L345(lines 345 351) no Hoare annotation was computed. [2021-10-29 04:40:00,582 INFO L853 garLoopResultBuilder]: At program point L345-1(lines 345 351) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse1 .cse3) (and .cse0 .cse4 .cse2) (and .cse0 .cse4 .cse3))) [2021-10-29 04:40:00,583 INFO L853 garLoopResultBuilder]: At program point L545(lines 540 548) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 04:40:00,583 INFO L853 garLoopResultBuilder]: At program point L545-1(lines 540 548) the Hoare annotation is: false [2021-10-29 04:40:00,583 INFO L857 garLoopResultBuilder]: For program point L479(lines 479 487) no Hoare annotation was computed. [2021-10-29 04:40:00,583 INFO L853 garLoopResultBuilder]: At program point L545-2(lines 540 548) the Hoare annotation is: false [2021-10-29 04:40:00,583 INFO L857 garLoopResultBuilder]: For program point L479-1(lines 479 487) no Hoare annotation was computed. [2021-10-29 04:40:00,583 INFO L857 garLoopResultBuilder]: For program point L479-2(lines 479 487) no Hoare annotation was computed. [2021-10-29 04:40:00,583 INFO L857 garLoopResultBuilder]: For program point L613(lines 613 617) no Hoare annotation was computed. [2021-10-29 04:40:00,584 INFO L857 garLoopResultBuilder]: For program point L613-2(lines 613 617) no Hoare annotation was computed. [2021-10-29 04:40:00,584 INFO L857 garLoopResultBuilder]: For program point L613-3(lines 613 617) no Hoare annotation was computed. [2021-10-29 04:40:00,584 INFO L857 garLoopResultBuilder]: For program point L613-5(lines 613 617) no Hoare annotation was computed. [2021-10-29 04:40:00,584 INFO L857 garLoopResultBuilder]: For program point L613-6(lines 613 617) no Hoare annotation was computed. [2021-10-29 04:40:00,584 INFO L857 garLoopResultBuilder]: For program point L613-8(lines 613 617) no Hoare annotation was computed. [2021-10-29 04:40:00,584 INFO L857 garLoopResultBuilder]: For program point L613-9(lines 613 617) no Hoare annotation was computed. [2021-10-29 04:40:00,584 INFO L857 garLoopResultBuilder]: For program point L613-11(lines 613 617) no Hoare annotation was computed. [2021-10-29 04:40:00,585 INFO L857 garLoopResultBuilder]: For program point L217(lines 217 221) no Hoare annotation was computed. [2021-10-29 04:40:00,585 INFO L857 garLoopResultBuilder]: For program point L613-12(lines 613 617) no Hoare annotation was computed. [2021-10-29 04:40:00,585 INFO L857 garLoopResultBuilder]: For program point L613-14(lines 613 617) no Hoare annotation was computed. [2021-10-29 04:40:00,585 INFO L860 garLoopResultBuilder]: At program point L151(lines 132 154) the Hoare annotation is: true [2021-10-29 04:40:00,585 INFO L857 garLoopResultBuilder]: For program point L217-3(lines 217 221) no Hoare annotation was computed. [2021-10-29 04:40:00,585 INFO L857 garLoopResultBuilder]: For program point L613-15(lines 613 617) no Hoare annotation was computed. [2021-10-29 04:40:00,586 INFO L857 garLoopResultBuilder]: For program point L613-17(lines 613 617) no Hoare annotation was computed. [2021-10-29 04:40:00,586 INFO L857 garLoopResultBuilder]: For program point L217-6(lines 217 221) no Hoare annotation was computed. [2021-10-29 04:40:00,586 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-29 04:40:00,586 INFO L853 garLoopResultBuilder]: At program point L619(lines 604 622) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32)))) [2021-10-29 04:40:00,586 INFO L853 garLoopResultBuilder]: At program point L619-1(lines 604 622) the Hoare annotation is: false [2021-10-29 04:40:00,586 INFO L853 garLoopResultBuilder]: At program point L619-2(lines 604 622) the Hoare annotation is: false [2021-10-29 04:40:00,587 INFO L853 garLoopResultBuilder]: At program point L619-3(lines 604 622) the Hoare annotation is: false [2021-10-29 04:40:00,587 INFO L853 garLoopResultBuilder]: At program point L619-4(lines 604 622) the Hoare annotation is: false [2021-10-29 04:40:00,587 INFO L853 garLoopResultBuilder]: At program point L619-5(lines 604 622) the Hoare annotation is: false [2021-10-29 04:40:00,587 INFO L857 garLoopResultBuilder]: For program point L355(lines 355 368) no Hoare annotation was computed. [2021-10-29 04:40:00,587 INFO L857 garLoopResultBuilder]: For program point L423(lines 423 440) no Hoare annotation was computed. [2021-10-29 04:40:00,587 INFO L857 garLoopResultBuilder]: For program point L423-1(lines 423 440) no Hoare annotation was computed. [2021-10-29 04:40:00,588 INFO L857 garLoopResultBuilder]: For program point L423-2(lines 423 440) no Hoare annotation was computed. [2021-10-29 04:40:00,588 INFO L857 garLoopResultBuilder]: For program point L423-3(lines 423 440) no Hoare annotation was computed. [2021-10-29 04:40:00,588 INFO L857 garLoopResultBuilder]: For program point L423-4(lines 423 440) no Hoare annotation was computed. [2021-10-29 04:40:00,588 INFO L857 garLoopResultBuilder]: For program point L423-5(lines 423 440) no Hoare annotation was computed. [2021-10-29 04:40:00,588 INFO L857 garLoopResultBuilder]: For program point L423-6(lines 423 440) no Hoare annotation was computed. [2021-10-29 04:40:00,588 INFO L857 garLoopResultBuilder]: For program point L423-7(lines 423 440) no Hoare annotation was computed. [2021-10-29 04:40:00,588 INFO L857 garLoopResultBuilder]: For program point L423-8(lines 423 440) no Hoare annotation was computed. [2021-10-29 04:40:00,589 INFO L857 garLoopResultBuilder]: For program point L423-9(lines 423 440) no Hoare annotation was computed. [2021-10-29 04:40:00,589 INFO L857 garLoopResultBuilder]: For program point L423-10(lines 423 440) no Hoare annotation was computed. [2021-10-29 04:40:00,589 INFO L857 garLoopResultBuilder]: For program point L423-11(lines 423 440) no Hoare annotation was computed. [2021-10-29 04:40:00,589 INFO L857 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-10-29 04:40:00,589 INFO L857 garLoopResultBuilder]: For program point L160-1(line 160) no Hoare annotation was computed. [2021-10-29 04:40:00,589 INFO L857 garLoopResultBuilder]: For program point L160-2(line 160) no Hoare annotation was computed. [2021-10-29 04:40:00,590 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-29 04:40:00,590 INFO L857 garLoopResultBuilder]: For program point L294(lines 294 300) no Hoare annotation was computed. [2021-10-29 04:40:00,590 INFO L857 garLoopResultBuilder]: For program point L294-1(lines 294 300) no Hoare annotation was computed. [2021-10-29 04:40:00,590 INFO L857 garLoopResultBuilder]: For program point L294-2(lines 294 300) no Hoare annotation was computed. [2021-10-29 04:40:00,590 INFO L857 garLoopResultBuilder]: For program point L294-3(lines 294 300) no Hoare annotation was computed. [2021-10-29 04:40:00,590 INFO L857 garLoopResultBuilder]: For program point L294-4(lines 294 300) no Hoare annotation was computed. [2021-10-29 04:40:00,590 INFO L857 garLoopResultBuilder]: For program point L294-5(lines 294 300) no Hoare annotation was computed. [2021-10-29 04:40:00,591 INFO L857 garLoopResultBuilder]: For program point L294-6(lines 294 300) no Hoare annotation was computed. [2021-10-29 04:40:00,591 INFO L857 garLoopResultBuilder]: For program point L294-7(lines 294 300) no Hoare annotation was computed. [2021-10-29 04:40:00,591 INFO L857 garLoopResultBuilder]: For program point L294-8(lines 294 300) no Hoare annotation was computed. [2021-10-29 04:40:00,591 INFO L857 garLoopResultBuilder]: For program point L294-9(lines 294 300) no Hoare annotation was computed. [2021-10-29 04:40:00,591 INFO L857 garLoopResultBuilder]: For program point L294-10(lines 294 300) no Hoare annotation was computed. [2021-10-29 04:40:00,591 INFO L857 garLoopResultBuilder]: For program point L294-11(lines 294 300) no Hoare annotation was computed. [2021-10-29 04:40:00,591 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 435) no Hoare annotation was computed. [2021-10-29 04:40:00,592 INFO L857 garLoopResultBuilder]: For program point L427-1(lines 427 435) no Hoare annotation was computed. [2021-10-29 04:40:00,592 INFO L857 garLoopResultBuilder]: For program point L361(lines 361 367) no Hoare annotation was computed. [2021-10-29 04:40:00,592 INFO L857 garLoopResultBuilder]: For program point L427-2(lines 427 435) no Hoare annotation was computed. [2021-10-29 04:40:00,592 INFO L853 garLoopResultBuilder]: At program point L361-1(lines 391 397) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse1 .cse3) (and .cse0 .cse4 .cse2) (and .cse0 .cse4 .cse3))) [2021-10-29 04:40:00,592 INFO L857 garLoopResultBuilder]: For program point L427-3(lines 427 435) no Hoare annotation was computed. [2021-10-29 04:40:00,592 INFO L857 garLoopResultBuilder]: For program point L427-4(lines 427 435) no Hoare annotation was computed. [2021-10-29 04:40:00,592 INFO L857 garLoopResultBuilder]: For program point L427-5(lines 427 435) no Hoare annotation was computed. [2021-10-29 04:40:00,593 INFO L857 garLoopResultBuilder]: For program point L229(lines 229 233) no Hoare annotation was computed. [2021-10-29 04:40:00,593 INFO L857 garLoopResultBuilder]: For program point L427-6(lines 427 435) no Hoare annotation was computed. [2021-10-29 04:40:00,593 INFO L857 garLoopResultBuilder]: For program point L427-7(lines 427 435) no Hoare annotation was computed. [2021-10-29 04:40:00,593 INFO L857 garLoopResultBuilder]: For program point L427-8(lines 427 435) no Hoare annotation was computed. [2021-10-29 04:40:00,593 INFO L857 garLoopResultBuilder]: For program point L427-9(lines 427 435) no Hoare annotation was computed. [2021-10-29 04:40:00,593 INFO L857 garLoopResultBuilder]: For program point L427-10(lines 427 435) no Hoare annotation was computed. [2021-10-29 04:40:00,593 INFO L857 garLoopResultBuilder]: For program point L427-11(lines 427 435) no Hoare annotation was computed. [2021-10-29 04:40:00,594 INFO L857 garLoopResultBuilder]: For program point L627(lines 627 633) no Hoare annotation was computed. [2021-10-29 04:40:00,594 INFO L853 garLoopResultBuilder]: At program point L627-1(lines 627 633) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse1) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1))) [2021-10-29 04:40:00,594 INFO L853 garLoopResultBuilder]: At program point L299(lines 290 303) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 04:40:00,594 INFO L853 garLoopResultBuilder]: At program point L299-1(lines 290 303) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 04:40:00,594 INFO L853 garLoopResultBuilder]: At program point L299-2(lines 290 303) the Hoare annotation is: false [2021-10-29 04:40:00,595 INFO L853 garLoopResultBuilder]: At program point L299-3(lines 290 303) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2) (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse1 .cse2))) [2021-10-29 04:40:00,595 INFO L853 garLoopResultBuilder]: At program point L299-4(lines 290 303) the Hoare annotation is: false [2021-10-29 04:40:00,595 INFO L853 garLoopResultBuilder]: At program point L299-5(lines 290 303) the Hoare annotation is: false [2021-10-29 04:40:00,595 INFO L853 garLoopResultBuilder]: At program point L299-6(lines 290 303) the Hoare annotation is: false [2021-10-29 04:40:00,595 INFO L853 garLoopResultBuilder]: At program point L299-7(lines 290 303) the Hoare annotation is: false [2021-10-29 04:40:00,595 INFO L853 garLoopResultBuilder]: At program point L299-8(lines 290 303) the Hoare annotation is: false [2021-10-29 04:40:00,595 INFO L853 garLoopResultBuilder]: At program point L299-9(lines 290 303) the Hoare annotation is: false [2021-10-29 04:40:00,599 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:40:00,600 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 04:40:00,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 04:40:00 BoogieIcfgContainer [2021-10-29 04:40:00,630 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 04:40:00,630 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:40:00,630 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:40:00,631 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:40:00,631 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:39:29" (3/4) ... [2021-10-29 04:40:00,635 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 04:40:00,666 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-29 04:40:00,668 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-29 04:40:00,670 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-29 04:40:00,673 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-29 04:40:00,675 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 04:40:00,677 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 04:40:00,680 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 04:40:00,706 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && 0bv32 == tmp) && \result == 0bv32) && !(systemActive == 0bv32))) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && 0bv32 == tmp) && \result == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 04:40:00,707 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && 0bv32 == tmp) && \result == 0bv32) && !(systemActive == 0bv32))) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && 0bv32 == tmp) && \result == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 04:40:00,708 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32))) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) [2021-10-29 04:40:00,709 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32))) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 04:40:00,710 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) [2021-10-29 04:40:00,711 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && \result == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) [2021-10-29 04:40:00,712 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && 0bv32 == \result) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning [2021-10-29 04:40:00,716 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32) [2021-10-29 04:40:00,717 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning [2021-10-29 04:40:00,718 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32) [2021-10-29 04:40:00,719 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-29 04:40:00,719 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning [2021-10-29 04:40:00,720 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && \result == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-29 04:40:00,723 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning [2021-10-29 04:40:00,723 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning [2021-10-29 04:40:00,724 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning [2021-10-29 04:40:00,725 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning [2021-10-29 04:40:00,726 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning [2021-10-29 04:40:00,727 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning [2021-10-29 04:40:00,810 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 04:40:00,810 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:40:00,812 INFO L168 Benchmark]: Toolchain (without parser) took 35171.30 ms. Allocated memory was 71.3 MB in the beginning and 230.7 MB in the end (delta: 159.4 MB). Free memory was 51.7 MB in the beginning and 169.6 MB in the end (delta: -117.9 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. [2021-10-29 04:40:00,812 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 71.3 MB. Free memory is still 52.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:40:00,813 INFO L168 Benchmark]: CACSL2BoogieTranslator took 712.77 ms. Allocated memory is still 71.3 MB. Free memory was 51.4 MB in the beginning and 38.6 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 04:40:00,813 INFO L168 Benchmark]: Boogie Procedure Inliner took 128.39 ms. Allocated memory is still 71.3 MB. Free memory was 38.6 MB in the beginning and 32.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-29 04:40:00,813 INFO L168 Benchmark]: Boogie Preprocessor took 146.32 ms. Allocated memory is still 71.3 MB. Free memory was 32.9 MB in the beginning and 51.2 MB in the end (delta: -18.3 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB. [2021-10-29 04:40:00,814 INFO L168 Benchmark]: RCFGBuilder took 2631.96 ms. Allocated memory was 71.3 MB in the beginning and 88.1 MB in the end (delta: 16.8 MB). Free memory was 50.9 MB in the beginning and 50.7 MB in the end (delta: 113.4 kB). Peak memory consumption was 32.3 MB. Max. memory is 16.1 GB. [2021-10-29 04:40:00,814 INFO L168 Benchmark]: TraceAbstraction took 31364.99 ms. Allocated memory was 88.1 MB in the beginning and 230.7 MB in the end (delta: 142.6 MB). Free memory was 50.1 MB in the beginning and 188.5 MB in the end (delta: -138.4 MB). Peak memory consumption was 130.9 MB. Max. memory is 16.1 GB. [2021-10-29 04:40:00,815 INFO L168 Benchmark]: Witness Printer took 180.26 ms. Allocated memory is still 230.7 MB. Free memory was 188.5 MB in the beginning and 169.6 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-29 04:40:00,817 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 71.3 MB. Free memory is still 52.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 712.77 ms. Allocated memory is still 71.3 MB. Free memory was 51.4 MB in the beginning and 38.6 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 128.39 ms. Allocated memory is still 71.3 MB. Free memory was 38.6 MB in the beginning and 32.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 146.32 ms. Allocated memory is still 71.3 MB. Free memory was 32.9 MB in the beginning and 51.2 MB in the end (delta: -18.3 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2631.96 ms. Allocated memory was 71.3 MB in the beginning and 88.1 MB in the end (delta: 16.8 MB). Free memory was 50.9 MB in the beginning and 50.7 MB in the end (delta: 113.4 kB). Peak memory consumption was 32.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 31364.99 ms. Allocated memory was 88.1 MB in the beginning and 230.7 MB in the end (delta: 142.6 MB). Free memory was 50.1 MB in the beginning and 188.5 MB in the end (delta: -138.4 MB). Peak memory consumption was 130.9 MB. Max. memory is 16.1 GB. * Witness Printer took 180.26 ms. Allocated memory is still 230.7 MB. Free memory was 188.5 MB in the beginning and 169.6 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 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, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 160]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 160]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 160]: 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, 231 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 31.2s, OverallIterations: 11, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 16.9s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1918 SDtfs, 2590 SDslu, 4839 SDs, 0 SdLazy, 593 SolverSat, 118 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 742 GetRequests, 673 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=399occurred in iteration=9, InterpolantAutomatonStates: 78, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 2089 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 93 LocationsWithAnnotation, 93 PreInvPairs, 535 NumberOfFragments, 836 HoareAnnotationTreeSize, 93 FomulaSimplifications, 4603228 FormulaSimplificationTreeSizeReduction, 4.6s HoareSimplificationTime, 93 FomulaSimplificationsInter, 2600292 FormulaSimplificationTreeSizeReductionInter, 12.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 355 NumberOfCodeBlocks, 355 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 688 ConstructedInterpolants, 0 QuantifiedInterpolants, 1191 SizeOfPredicates, 23 NumberOfNonLiveVariables, 2342 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 22 InterpolantComputations, 22 PerfectInterpolantSequences, 28/28 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 390]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && \result == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 290]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32) - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 345]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32))) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning - InvariantResult [Line: 290]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32) - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 290]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 390]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32))) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 391]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32))) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 290]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 0bv32 == \result) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 627]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 290]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 290]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 290]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 290]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 290]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 290]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 664]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && 0bv32 == tmp) && \result == 0bv32) && !(systemActive == 0bv32))) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && 0bv32 == tmp) && \result == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32))) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && 0bv32 == tmp) && \result == 0bv32) && !(systemActive == 0bv32))) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && 0bv32 == tmp) && \result == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 290]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32))) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 290]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && \result == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning - InvariantResult [Line: 390]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-29 04:40:00,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1e3ff5-781f-42ad-a0ce-d4ae7c257d9b/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...