./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8 --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 2bb4b23c61a0ce6fb5d219efb233ba1e5b1970509ba14aea9115d570a0ea376d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:23:40,982 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:23:40,985 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:23:41,015 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:23:41,016 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:23:41,018 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:23:41,020 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:23:41,022 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:23:41,025 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:23:41,026 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:23:41,027 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:23:41,029 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:23:41,030 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:23:41,031 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:23:41,033 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:23:41,035 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:23:41,036 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:23:41,037 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:23:41,040 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:23:41,042 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:23:41,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:23:41,047 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:23:41,052 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:23:41,053 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:23:41,057 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:23:41,058 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:23:41,058 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:23:41,067 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:23:41,068 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:23:41,069 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:23:41,069 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:23:41,071 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:23:41,073 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:23:41,074 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:23:41,076 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:23:41,076 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:23:41,077 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:23:41,077 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:23:41,078 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:23:41,079 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:23:41,080 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:23:41,081 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:23:41,126 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:23:41,126 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:23:41,127 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:23:41,128 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:23:41,128 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:23:41,128 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:23:41,129 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:23:41,129 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:23:41,129 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:23:41,129 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:23:41,136 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:23:41,137 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:23:41,137 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:23:41,137 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:23:41,138 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:23:41,138 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:23:41,139 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:23:41,139 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:23:41,139 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:23:41,140 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:23:41,140 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:23:41,140 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:23:41,140 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:23:41,141 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:23:41,141 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:23:41,141 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:23:41,141 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:23:41,142 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:23:41,142 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:23:41,144 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:23:41,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:23:41,144 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:23:41,145 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:23:41,145 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:23:41,145 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:23:41,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:23:41,146 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:23:41,146 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:23:41,146 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:23:41,147 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_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2bb4b23c61a0ce6fb5d219efb233ba1e5b1970509ba14aea9115d570a0ea376d [2021-11-07 01:23:41,504 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:23:41,536 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:23:41,539 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:23:41,540 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:23:41,541 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:23:41,542 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c [2021-11-07 01:23:41,605 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/data/63376201c/87ea8b310eb745afae1d547efa17df84/FLAGc39c01433 [2021-11-07 01:23:42,156 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:23:42,157 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c [2021-11-07 01:23:42,170 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/data/63376201c/87ea8b310eb745afae1d547efa17df84/FLAGc39c01433 [2021-11-07 01:23:42,488 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/data/63376201c/87ea8b310eb745afae1d547efa17df84 [2021-11-07 01:23:42,491 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:23:42,495 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:23:42,502 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:23:42,502 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:23:42,506 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:23:42,507 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:23:42" (1/1) ... [2021-11-07 01:23:42,509 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6442c12c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:23:42, skipping insertion in model container [2021-11-07 01:23:42,510 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:23:42" (1/1) ... [2021-11-07 01:23:42,517 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:23:42,584 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:23:42,795 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_bec4ec13-5dff-4958-a2b6-1f129107d6fd/sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c[1605,1618] [2021-11-07 01:23:42,944 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:23:42,955 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) [2021-11-07 01:23:42,956 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5dc275fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:23:42, skipping insertion in model container [2021-11-07 01:23:42,956 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:23:42,957 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:23:42,959 INFO L168 Benchmark]: Toolchain (without parser) took 463.45 ms. Allocated memory was 88.1 MB in the beginning and 123.7 MB in the end (delta: 35.7 MB). Free memory was 50.4 MB in the beginning and 96.0 MB in the end (delta: -45.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:23:42,960 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 88.1 MB. Free memory is still 67.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:23:42,961 INFO L168 Benchmark]: CACSL2BoogieTranslator took 455.30 ms. Allocated memory was 88.1 MB in the beginning and 123.7 MB in the end (delta: 35.7 MB). Free memory was 50.2 MB in the beginning and 96.0 MB in the end (delta: -45.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:23:42,963 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 88.1 MB. Free memory is still 67.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 455.30 ms. Allocated memory was 88.1 MB in the beginning and 123.7 MB in the end (delta: 35.7 MB). Free memory was 50.2 MB in the beginning and 96.0 MB in the end (delta: -45.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 125]: 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8 --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 2bb4b23c61a0ce6fb5d219efb233ba1e5b1970509ba14aea9115d570a0ea376d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:23:45,191 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:23:45,194 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:23:45,244 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:23:45,245 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:23:45,249 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:23:45,251 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:23:45,256 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:23:45,259 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:23:45,266 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:23:45,268 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:23:45,270 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:23:45,270 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:23:45,273 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:23:45,275 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:23:45,280 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:23:45,281 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:23:45,283 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:23:45,285 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:23:45,293 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:23:45,295 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:23:45,297 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:23:45,299 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:23:45,302 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:23:45,311 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:23:45,312 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:23:45,312 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:23:45,314 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:23:45,315 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:23:45,316 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:23:45,316 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:23:45,317 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:23:45,319 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:23:45,320 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:23:45,322 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:23:45,322 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:23:45,323 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:23:45,323 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:23:45,323 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:23:45,325 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:23:45,326 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:23:45,327 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 01:23:45,368 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:23:45,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:23:45,370 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:23:45,370 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:23:45,370 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:23:45,371 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:23:45,371 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:23:45,371 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:23:45,371 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:23:45,373 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:23:45,373 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:23:45,374 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:23:45,374 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:23:45,374 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:23:45,374 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:23:45,374 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:23:45,375 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:23:45,375 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:23:45,375 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:23:45,375 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:23:45,375 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:23:45,376 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:23:45,376 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:23:45,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:23:45,376 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:23:45,376 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:23:45,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:23:45,377 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:23:45,377 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:23:45,377 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:23:45,377 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:23:45,377 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:23:45,378 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:23:45,378 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:23:45,378 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:23:45,379 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_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2bb4b23c61a0ce6fb5d219efb233ba1e5b1970509ba14aea9115d570a0ea376d [2021-11-07 01:23:45,747 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:23:45,774 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:23:45,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:23:45,779 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:23:45,780 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:23:45,782 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c [2021-11-07 01:23:45,850 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/data/10cbc8525/1527b7df87ce40608d0e54c1028bf33d/FLAG75fda008a [2021-11-07 01:23:46,428 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:23:46,429 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c [2021-11-07 01:23:46,442 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/data/10cbc8525/1527b7df87ce40608d0e54c1028bf33d/FLAG75fda008a [2021-11-07 01:23:46,743 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/data/10cbc8525/1527b7df87ce40608d0e54c1028bf33d [2021-11-07 01:23:46,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:23:46,747 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:23:46,748 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:23:46,748 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:23:46,752 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:23:46,753 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:23:46" (1/1) ... [2021-11-07 01:23:46,754 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e28e9a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:23:46, skipping insertion in model container [2021-11-07 01:23:46,754 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:23:46" (1/1) ... [2021-11-07 01:23:46,761 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:23:46,809 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:23:46,937 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_bec4ec13-5dff-4958-a2b6-1f129107d6fd/sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c[1605,1618] [2021-11-07 01:23:47,115 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:23:47,127 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:23:47,137 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:23:47,141 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_bec4ec13-5dff-4958-a2b6-1f129107d6fd/sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c[1605,1618] [2021-11-07 01:23:47,198 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:23:47,203 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:23:47,216 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_bec4ec13-5dff-4958-a2b6-1f129107d6fd/sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c[1605,1618] [2021-11-07 01:23:47,265 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:23:47,286 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:23:47,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:23:47 WrapperNode [2021-11-07 01:23:47,287 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:23:47,288 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:23:47,288 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:23:47,288 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:23:47,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:23:47" (1/1) ... [2021-11-07 01:23:47,314 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:23:47" (1/1) ... [2021-11-07 01:23:47,394 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:23:47,398 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:23:47,398 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:23:47,399 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:23:47,408 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:23:47" (1/1) ... [2021-11-07 01:23:47,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:23:47" (1/1) ... [2021-11-07 01:23:47,430 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:23:47" (1/1) ... [2021-11-07 01:23:47,436 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:23:47" (1/1) ... [2021-11-07 01:23:47,453 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:23:47" (1/1) ... [2021-11-07 01:23:47,462 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:23:47" (1/1) ... [2021-11-07 01:23:47,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:23:47" (1/1) ... [2021-11-07 01:23:47,470 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:23:47,471 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:23:47,472 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:23:47,472 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:23:47,473 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:23:47" (1/1) ... [2021-11-07 01:23:47,480 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:23:47,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:23:47,503 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:23:47,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:23:47,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:23:47,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:23:47,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:23:47,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:23:49,805 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:23:49,806 INFO L299 CfgBuilder]: Removed 198 assume(true) statements. [2021-11-07 01:23:49,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:23:49 BoogieIcfgContainer [2021-11-07 01:23:49,809 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:23:49,811 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:23:49,811 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:23:49,814 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:23:49,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:23:46" (1/3) ... [2021-11-07 01:23:49,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bc99666 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:23:49, skipping insertion in model container [2021-11-07 01:23:49,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:23:47" (2/3) ... [2021-11-07 01:23:49,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bc99666 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:23:49, skipping insertion in model container [2021-11-07 01:23:49,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:23:49" (3/3) ... [2021-11-07 01:23:49,818 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product47.cil.c [2021-11-07 01:23:49,824 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:23:49,824 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-07 01:23:49,874 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:23:49,885 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 [2021-11-07 01:23:49,885 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-07 01:23:49,906 INFO L276 IsEmpty]: Start isEmpty. Operand has 135 states, 131 states have (on average 1.5419847328244274) internal successors, (202), 134 states have internal predecessors, (202), 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) [2021-11-07 01:23:49,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-07 01:23:49,922 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:23:49,923 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:23:49,923 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:23:49,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:23:49,934 INFO L85 PathProgramCache]: Analyzing trace with hash -986925596, now seen corresponding path program 1 times [2021-11-07 01:23:49,947 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:23:49,947 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1359159185] [2021-11-07 01:23:49,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:23:49,948 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:23:49,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:23:49,951 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:23:49,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:23:50,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:23:50,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 01:23:50,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:23:50,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:23:50,270 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:23:50,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:23:50,319 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:23:50,320 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1359159185] [2021-11-07 01:23:50,320 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1359159185] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:23:50,321 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:23:50,321 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:23:50,323 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901141302] [2021-11-07 01:23:50,328 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 01:23:50,328 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:23:50,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 01:23:50,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:23:50,344 INFO L87 Difference]: Start difference. First operand has 135 states, 131 states have (on average 1.5419847328244274) internal successors, (202), 134 states have internal predecessors, (202), 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) [2021-11-07 01:23:50,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:23:50,375 INFO L93 Difference]: Finished difference Result 263 states and 396 transitions. [2021-11-07 01:23:50,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 01:23:50,377 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 [2021-11-07 01:23:50,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:23:50,387 INFO L225 Difference]: With dead ends: 263 [2021-11-07 01:23:50,388 INFO L226 Difference]: Without dead ends: 131 [2021-11-07 01:23:50,391 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 [2021-11-07 01:23:50,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2021-11-07 01:23:50,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2021-11-07 01:23:50,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 128 states have (on average 1.484375) internal successors, (190), 130 states have internal predecessors, (190), 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) [2021-11-07 01:23:50,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 190 transitions. [2021-11-07 01:23:50,435 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 190 transitions. Word has length 18 [2021-11-07 01:23:50,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:23:50,435 INFO L470 AbstractCegarLoop]: Abstraction has 131 states and 190 transitions. [2021-11-07 01:23:50,436 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) [2021-11-07 01:23:50,436 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 190 transitions. [2021-11-07 01:23:50,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-07 01:23:50,437 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:23:50,438 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:23:50,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:23:50,649 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:23:50,650 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:23:50,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:23:50,651 INFO L85 PathProgramCache]: Analyzing trace with hash -1205761565, now seen corresponding path program 1 times [2021-11-07 01:23:50,652 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:23:50,652 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [930890989] [2021-11-07 01:23:50,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:23:50,652 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:23:50,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:23:50,654 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:23:50,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:23:50,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:23:50,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:23:50,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:23:50,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:23:50,919 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:23:50,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:23:50,983 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:23:50,983 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [930890989] [2021-11-07 01:23:50,983 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [930890989] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:23:50,984 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:23:50,984 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:23:50,984 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677597116] [2021-11-07 01:23:50,987 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:23:50,987 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:23:50,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:23:50,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:23:50,993 INFO L87 Difference]: Start difference. First operand 131 states and 190 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) [2021-11-07 01:23:51,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:23:51,027 INFO L93 Difference]: Finished difference Result 131 states and 190 transitions. [2021-11-07 01:23:51,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:23:51,032 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 [2021-11-07 01:23:51,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:23:51,033 INFO L225 Difference]: With dead ends: 131 [2021-11-07 01:23:51,034 INFO L226 Difference]: Without dead ends: 55 [2021-11-07 01:23:51,035 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 [2021-11-07 01:23:51,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-11-07 01:23:51,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-11-07 01:23:51,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.462962962962963) internal successors, (79), 54 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:23:51,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2021-11-07 01:23:51,044 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 19 [2021-11-07 01:23:51,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:23:51,045 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2021-11-07 01:23:51,045 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) [2021-11-07 01:23:51,045 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2021-11-07 01:23:51,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-07 01:23:51,046 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:23:51,046 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] [2021-11-07 01:23:51,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:23:51,247 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:23:51,247 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:23:51,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:23:51,248 INFO L85 PathProgramCache]: Analyzing trace with hash 462208575, now seen corresponding path program 1 times [2021-11-07 01:23:51,249 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:23:51,249 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [991756769] [2021-11-07 01:23:51,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:23:51,249 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:23:51,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:23:51,251 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:23:51,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:23:51,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:23:51,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:23:51,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:23:51,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:23:51,569 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:23:51,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:23:51,667 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:23:51,667 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [991756769] [2021-11-07 01:23:51,668 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [991756769] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:23:51,668 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:23:51,668 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-07 01:23:51,668 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542709269] [2021-11-07 01:23:51,669 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:23:51,669 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:23:51,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:23:51,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:23:51,670 INFO L87 Difference]: Start difference. First operand 55 states and 79 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) [2021-11-07 01:23:51,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:23:51,708 INFO L93 Difference]: Finished difference Result 175 states and 259 transitions. [2021-11-07 01:23:51,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:23:51,709 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 [2021-11-07 01:23:51,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:23:51,711 INFO L225 Difference]: With dead ends: 175 [2021-11-07 01:23:51,711 INFO L226 Difference]: Without dead ends: 127 [2021-11-07 01:23:51,712 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 [2021-11-07 01:23:51,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2021-11-07 01:23:51,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 75. [2021-11-07 01:23:51,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 74 states have (on average 1.4864864864864864) internal successors, (110), 74 states have internal predecessors, (110), 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) [2021-11-07 01:23:51,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 110 transitions. [2021-11-07 01:23:51,736 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 110 transitions. Word has length 24 [2021-11-07 01:23:51,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:23:51,737 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 110 transitions. [2021-11-07 01:23:51,737 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) [2021-11-07 01:23:51,737 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 110 transitions. [2021-11-07 01:23:51,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-07 01:23:51,738 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:23:51,738 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] [2021-11-07 01:23:51,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-11-07 01:23:51,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:23:51,963 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:23:51,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:23:51,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1540791297, now seen corresponding path program 1 times [2021-11-07 01:23:51,965 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:23:51,965 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1674757983] [2021-11-07 01:23:51,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:23:51,965 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:23:51,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:23:51,969 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:23:51,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:23:52,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:23:52,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:23:52,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:23:52,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:23:52,255 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:23:52,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:23:52,341 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:23:52,341 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1674757983] [2021-11-07 01:23:52,342 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1674757983] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:23:52,342 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:23:52,342 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:23:52,342 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731211073] [2021-11-07 01:23:52,343 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:23:52,343 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:23:52,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:23:52,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:23:52,344 INFO L87 Difference]: Start difference. First operand 75 states and 110 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2021-11-07 01:23:52,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:23:52,425 INFO L93 Difference]: Finished difference Result 165 states and 245 transitions. [2021-11-07 01:23:52,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:23:52,426 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 26 [2021-11-07 01:23:52,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:23:52,431 INFO L225 Difference]: With dead ends: 165 [2021-11-07 01:23:52,431 INFO L226 Difference]: Without dead ends: 97 [2021-11-07 01:23:52,433 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:23:52,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2021-11-07 01:23:52,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 95. [2021-11-07 01:23:52,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 94 states have (on average 1.446808510638298) internal successors, (136), 94 states have internal predecessors, (136), 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) [2021-11-07 01:23:52,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 136 transitions. [2021-11-07 01:23:52,460 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 136 transitions. Word has length 26 [2021-11-07 01:23:52,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:23:52,461 INFO L470 AbstractCegarLoop]: Abstraction has 95 states and 136 transitions. [2021-11-07 01:23:52,461 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2021-11-07 01:23:52,461 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 136 transitions. [2021-11-07 01:23:52,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-07 01:23:52,464 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:23:52,465 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] [2021-11-07 01:23:52,485 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:23:52,685 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:23:52,685 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:23:52,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:23:52,686 INFO L85 PathProgramCache]: Analyzing trace with hash 783716552, now seen corresponding path program 1 times [2021-11-07 01:23:52,687 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:23:52,687 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1924710342] [2021-11-07 01:23:52,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:23:52,687 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:23:52,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:23:52,689 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:23:52,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 01:23:52,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:23:52,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:23:52,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:23:53,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:23:53,001 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:23:53,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:23:53,107 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:23:53,107 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1924710342] [2021-11-07 01:23:53,107 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1924710342] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:23:53,108 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:23:53,108 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 01:23:53,108 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924331209] [2021-11-07 01:23:53,108 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:23:53,109 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:23:53,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:23:53,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:23:53,110 INFO L87 Difference]: Start difference. First operand 95 states and 136 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) [2021-11-07 01:23:53,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:23:53,306 INFO L93 Difference]: Finished difference Result 447 states and 651 transitions. [2021-11-07 01:23:53,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 01:23:53,307 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 [2021-11-07 01:23:53,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:23:53,310 INFO L225 Difference]: With dead ends: 447 [2021-11-07 01:23:53,310 INFO L226 Difference]: Without dead ends: 359 [2021-11-07 01:23:53,311 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 [2021-11-07 01:23:53,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2021-11-07 01:23:53,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 172. [2021-11-07 01:23:53,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 171 states have (on average 1.4210526315789473) internal successors, (243), 171 states have internal predecessors, (243), 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) [2021-11-07 01:23:53,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 243 transitions. [2021-11-07 01:23:53,341 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 243 transitions. Word has length 27 [2021-11-07 01:23:53,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:23:53,342 INFO L470 AbstractCegarLoop]: Abstraction has 172 states and 243 transitions. [2021-11-07 01:23:53,342 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) [2021-11-07 01:23:53,342 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 243 transitions. [2021-11-07 01:23:53,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-07 01:23:53,343 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:23:53,344 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] [2021-11-07 01:23:53,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 01:23:53,556 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:23:53,556 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:23:53,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:23:53,557 INFO L85 PathProgramCache]: Analyzing trace with hash -650428608, now seen corresponding path program 1 times [2021-11-07 01:23:53,557 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:23:53,558 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1399315657] [2021-11-07 01:23:53,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:23:53,558 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:23:53,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:23:53,559 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:23:53,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 01:23:53,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:23:53,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:23:53,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:23:53,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:23:53,898 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:23:53,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:23:53,991 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:23:53,991 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1399315657] [2021-11-07 01:23:53,991 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1399315657] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:23:53,991 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:23:53,991 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 01:23:53,992 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159745334] [2021-11-07 01:23:53,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:23:53,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:23:53,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:23:53,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:23:53,993 INFO L87 Difference]: Start difference. First operand 172 states and 243 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) [2021-11-07 01:23:54,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:23:54,194 INFO L93 Difference]: Finished difference Result 643 states and 913 transitions. [2021-11-07 01:23:54,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 01:23:54,195 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 [2021-11-07 01:23:54,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:23:54,199 INFO L225 Difference]: With dead ends: 643 [2021-11-07 01:23:54,199 INFO L226 Difference]: Without dead ends: 478 [2021-11-07 01:23:54,200 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 [2021-11-07 01:23:54,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2021-11-07 01:23:54,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 170. [2021-11-07 01:23:54,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 169 states have (on average 1.4023668639053255) internal successors, (237), 169 states have internal predecessors, (237), 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) [2021-11-07 01:23:54,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 237 transitions. [2021-11-07 01:23:54,230 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 237 transitions. Word has length 28 [2021-11-07 01:23:54,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:23:54,230 INFO L470 AbstractCegarLoop]: Abstraction has 170 states and 237 transitions. [2021-11-07 01:23:54,231 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) [2021-11-07 01:23:54,231 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 237 transitions. [2021-11-07 01:23:54,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-07 01:23:54,233 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:23:54,233 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] [2021-11-07 01:23:54,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-07 01:23:54,447 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:23:54,447 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:23:54,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:23:54,448 INFO L85 PathProgramCache]: Analyzing trace with hash -862410324, now seen corresponding path program 1 times [2021-11-07 01:23:54,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:23:54,449 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2061922579] [2021-11-07 01:23:54,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:23:54,449 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:23:54,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:23:54,452 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:23:54,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-07 01:23:54,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:23:54,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:23:54,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:23:54,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:23:54,830 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:23:54,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:23:54,907 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:23:54,907 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2061922579] [2021-11-07 01:23:54,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2061922579] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:23:54,907 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:23:54,908 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 01:23:54,908 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274947435] [2021-11-07 01:23:54,909 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:23:54,909 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:23:54,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:23:54,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:23:54,911 INFO L87 Difference]: Start difference. First operand 170 states and 237 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:23:55,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:23:55,015 INFO L93 Difference]: Finished difference Result 495 states and 685 transitions. [2021-11-07 01:23:55,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 01:23:55,016 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-11-07 01:23:55,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:23:55,020 INFO L225 Difference]: With dead ends: 495 [2021-11-07 01:23:55,020 INFO L226 Difference]: Without dead ends: 332 [2021-11-07 01:23:55,022 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:23:55,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2021-11-07 01:23:55,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 182. [2021-11-07 01:23:55,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 181 states have (on average 1.3756906077348066) internal successors, (249), 181 states have internal predecessors, (249), 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) [2021-11-07 01:23:55,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 249 transitions. [2021-11-07 01:23:55,055 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 249 transitions. Word has length 36 [2021-11-07 01:23:55,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:23:55,056 INFO L470 AbstractCegarLoop]: Abstraction has 182 states and 249 transitions. [2021-11-07 01:23:55,056 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:23:55,056 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 249 transitions. [2021-11-07 01:23:55,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-07 01:23:55,063 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:23:55,064 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] [2021-11-07 01:23:55,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-07 01:23:55,276 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:23:55,277 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:23:55,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:23:55,278 INFO L85 PathProgramCache]: Analyzing trace with hash -1873527574, now seen corresponding path program 1 times [2021-11-07 01:23:55,278 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:23:55,278 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1440001348] [2021-11-07 01:23:55,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:23:55,279 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:23:55,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:23:55,282 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:23:55,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-07 01:23:55,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:23:55,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:23:55,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:23:55,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:23:55,654 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:23:55,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:23:55,746 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:23:55,746 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1440001348] [2021-11-07 01:23:55,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1440001348] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:23:55,747 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:23:55,747 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-07 01:23:55,747 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696968726] [2021-11-07 01:23:55,748 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:23:55,748 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:23:55,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:23:55,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:23:55,749 INFO L87 Difference]: Start difference. First operand 182 states and 249 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 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) [2021-11-07 01:23:55,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:23:55,845 INFO L93 Difference]: Finished difference Result 529 states and 719 transitions. [2021-11-07 01:23:55,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:23:55,846 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-11-07 01:23:55,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:23:55,849 INFO L225 Difference]: With dead ends: 529 [2021-11-07 01:23:55,849 INFO L226 Difference]: Without dead ends: 354 [2021-11-07 01:23:55,851 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:23:55,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2021-11-07 01:23:55,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 190. [2021-11-07 01:23:55,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 189 states have (on average 1.3597883597883598) internal successors, (257), 189 states have internal predecessors, (257), 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) [2021-11-07 01:23:55,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 257 transitions. [2021-11-07 01:23:55,886 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 257 transitions. Word has length 36 [2021-11-07 01:23:55,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:23:55,887 INFO L470 AbstractCegarLoop]: Abstraction has 190 states and 257 transitions. [2021-11-07 01:23:55,887 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 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) [2021-11-07 01:23:55,887 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 257 transitions. [2021-11-07 01:23:55,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-07 01:23:55,888 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:23:55,888 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] [2021-11-07 01:23:55,904 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-07 01:23:56,100 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:23:56,101 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:23:56,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:23:56,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1400371368, now seen corresponding path program 1 times [2021-11-07 01:23:56,102 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:23:56,102 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2043179733] [2021-11-07 01:23:56,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:23:56,102 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:23:56,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:23:56,103 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:23:56,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-07 01:23:56,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:23:56,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:23:56,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:23:56,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:23:56,510 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:23:56,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:23:56,627 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:23:56,627 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2043179733] [2021-11-07 01:23:56,627 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2043179733] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:23:56,627 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:23:56,628 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-07 01:23:56,628 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236190747] [2021-11-07 01:23:56,628 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:23:56,629 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:23:56,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:23:56,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:23:56,630 INFO L87 Difference]: Start difference. First operand 190 states and 257 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 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) [2021-11-07 01:23:56,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:23:56,733 INFO L93 Difference]: Finished difference Result 604 states and 821 transitions. [2021-11-07 01:23:56,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:23:56,734 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-11-07 01:23:56,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:23:56,737 INFO L225 Difference]: With dead ends: 604 [2021-11-07 01:23:56,737 INFO L226 Difference]: Without dead ends: 421 [2021-11-07 01:23:56,738 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:23:56,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2021-11-07 01:23:56,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 331. [2021-11-07 01:23:56,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 330 states have (on average 1.3454545454545455) internal successors, (444), 330 states have internal predecessors, (444), 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) [2021-11-07 01:23:56,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 444 transitions. [2021-11-07 01:23:56,785 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 444 transitions. Word has length 36 [2021-11-07 01:23:56,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:23:56,786 INFO L470 AbstractCegarLoop]: Abstraction has 331 states and 444 transitions. [2021-11-07 01:23:56,786 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 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) [2021-11-07 01:23:56,786 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 444 transitions. [2021-11-07 01:23:56,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-07 01:23:56,787 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:23:56,788 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] [2021-11-07 01:23:56,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-07 01:23:57,001 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:23:57,001 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:23:57,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:23:57,001 INFO L85 PathProgramCache]: Analyzing trace with hash -74107416, now seen corresponding path program 1 times [2021-11-07 01:23:57,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:23:57,002 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1469701791] [2021-11-07 01:23:57,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:23:57,002 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:23:57,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:23:57,003 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:23:57,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-07 01:23:57,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:23:57,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:23:57,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:23:57,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:23:57,421 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:23:57,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:23:57,560 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:23:57,560 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1469701791] [2021-11-07 01:23:57,560 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1469701791] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:23:57,561 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:23:57,561 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-07 01:23:57,561 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969575508] [2021-11-07 01:23:57,561 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-07 01:23:57,561 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:23:57,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-07 01:23:57,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-07 01:23:57,562 INFO L87 Difference]: Start difference. First operand 331 states and 444 transitions. Second operand has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 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) [2021-11-07 01:24:00,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:24:00,908 INFO L93 Difference]: Finished difference Result 1609 states and 2125 transitions. [2021-11-07 01:24:00,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-07 01:24:00,909 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 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 [2021-11-07 01:24:00,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:24:00,917 INFO L225 Difference]: With dead ends: 1609 [2021-11-07 01:24:00,917 INFO L226 Difference]: Without dead ends: 1285 [2021-11-07 01:24:00,919 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=118, Invalid=302, Unknown=0, NotChecked=0, Total=420 [2021-11-07 01:24:00,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1285 states. [2021-11-07 01:24:00,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1285 to 331. [2021-11-07 01:24:00,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 330 states have (on average 1.3212121212121213) internal successors, (436), 330 states have internal predecessors, (436), 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) [2021-11-07 01:24:00,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 436 transitions. [2021-11-07 01:24:00,982 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 436 transitions. Word has length 37 [2021-11-07 01:24:00,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:24:00,982 INFO L470 AbstractCegarLoop]: Abstraction has 331 states and 436 transitions. [2021-11-07 01:24:00,983 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 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) [2021-11-07 01:24:00,983 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 436 transitions. [2021-11-07 01:24:00,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-07 01:24:00,984 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:24:00,985 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] [2021-11-07 01:24:01,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-07 01:24:01,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:24:01,198 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:24:01,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:24:01,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1122601091, now seen corresponding path program 1 times [2021-11-07 01:24:01,199 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:24:01,199 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [313249591] [2021-11-07 01:24:01,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:24:01,199 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:24:01,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:24:01,200 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:24:01,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-07 01:24:01,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:24:01,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:24:01,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:24:01,734 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 01:24:01,735 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:24:01,904 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 01:24:01,905 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:24:01,905 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [313249591] [2021-11-07 01:24:01,905 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [313249591] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:24:01,905 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:24:01,905 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-07 01:24:01,906 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465791133] [2021-11-07 01:24:01,906 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-07 01:24:01,906 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:24:01,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-07 01:24:01,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-07 01:24:01,907 INFO L87 Difference]: Start difference. First operand 331 states and 436 transitions. Second operand has 10 states, 10 states have (on average 6.2) internal successors, (62), 10 states have internal predecessors, (62), 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) [2021-11-07 01:24:03,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:24:03,771 INFO L93 Difference]: Finished difference Result 1279 states and 1676 transitions. [2021-11-07 01:24:03,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-07 01:24:03,772 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 10 states have internal predecessors, (62), 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 56 [2021-11-07 01:24:03,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:24:03,774 INFO L225 Difference]: With dead ends: 1279 [2021-11-07 01:24:03,774 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 01:24:03,776 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=118, Invalid=302, Unknown=0, NotChecked=0, Total=420 [2021-11-07 01:24:03,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 01:24:03,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 01:24:03,777 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) [2021-11-07 01:24:03,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 01:24:03,778 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2021-11-07 01:24:03,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:24:03,778 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 01:24:03,778 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 10 states have internal predecessors, (62), 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) [2021-11-07 01:24:03,778 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 01:24:03,779 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 01:24:03,782 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:24:03,783 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:24:03,783 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:24:03,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-07 01:24:03,996 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:24:03,998 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 01:24:04,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:04,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:04,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:04,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:04,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:04,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:04,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:05,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:06,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:06,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:06,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:06,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:06,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:07,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:07,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:07,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:07,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:07,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:07,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:07,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:07,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:07,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:07,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:07,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:07,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:07,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:07,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:07,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:07,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:07,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:07,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:07,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:08,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:08,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:08,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:08,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:08,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:08,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:08,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:08,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:08,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:08,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:08,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:08,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:08,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:08,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:08,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:08,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:08,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:08,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:08,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:08,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:08,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:08,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:08,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:08,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:09,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:20,041 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-11-07 01:24:20,042 INFO L857 garLoopResultBuilder]: For program point L928(lines 927 974) no Hoare annotation was computed. [2021-11-07 01:24:20,042 INFO L857 garLoopResultBuilder]: For program point L929(lines 929 933) no Hoare annotation was computed. [2021-11-07 01:24:20,042 INFO L853 garLoopResultBuilder]: At program point L698(lines 689 702) 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)) [2021-11-07 01:24:20,042 INFO L853 garLoopResultBuilder]: At program point L698-1(lines 689 702) 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))) [2021-11-07 01:24:20,042 INFO L853 garLoopResultBuilder]: At program point L698-2(lines 689 702) the Hoare annotation is: false [2021-11-07 01:24:20,042 INFO L853 garLoopResultBuilder]: At program point L698-3(lines 689 702) the Hoare annotation is: false [2021-11-07 01:24:20,042 INFO L853 garLoopResultBuilder]: At program point L698-4(lines 689 702) the Hoare annotation is: false [2021-11-07 01:24:20,043 INFO L853 garLoopResultBuilder]: At program point L698-5(lines 689 702) the Hoare annotation is: false [2021-11-07 01:24:20,043 INFO L857 garLoopResultBuilder]: For program point L963(lines 963 969) no Hoare annotation was computed. [2021-11-07 01:24:20,043 INFO L853 garLoopResultBuilder]: At program point L963-1(lines 714 720) 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))) [2021-11-07 01:24:20,043 INFO L853 garLoopResultBuilder]: At program point L897(lines 882 900) 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)) [2021-11-07 01:24:20,043 INFO L853 garLoopResultBuilder]: At program point L897-1(lines 882 900) 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))) [2021-11-07 01:24:20,043 INFO L853 garLoopResultBuilder]: At program point L897-2(lines 882 900) the Hoare annotation is: false [2021-11-07 01:24:20,043 INFO L853 garLoopResultBuilder]: At program point L897-3(lines 882 900) the Hoare annotation is: false [2021-11-07 01:24:20,043 INFO L853 garLoopResultBuilder]: At program point L897-4(lines 882 900) the Hoare annotation is: false [2021-11-07 01:24:20,043 INFO L853 garLoopResultBuilder]: At program point L897-5(lines 882 900) the Hoare annotation is: false [2021-11-07 01:24:20,044 INFO L853 garLoopResultBuilder]: At program point L567(lines 563 569) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:24:20,044 INFO L860 garLoopResultBuilder]: At program point L601(lines 582 604) the Hoare annotation is: true [2021-11-07 01:24:20,044 INFO L853 garLoopResultBuilder]: At program point L833(lines 826 836) 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))) [2021-11-07 01:24:20,044 INFO L853 garLoopResultBuilder]: At program point L833-1(lines 826 836) 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)) [2021-11-07 01:24:20,044 INFO L853 garLoopResultBuilder]: At program point L833-2(lines 826 836) 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))) [2021-11-07 01:24:20,045 INFO L853 garLoopResultBuilder]: At program point L833-3(lines 826 836) the Hoare annotation is: false [2021-11-07 01:24:20,045 INFO L853 garLoopResultBuilder]: At program point L833-4(lines 826 836) the Hoare annotation is: false [2021-11-07 01:24:20,045 INFO L853 garLoopResultBuilder]: At program point L833-5(lines 826 836) the Hoare annotation is: false [2021-11-07 01:24:20,045 INFO L853 garLoopResultBuilder]: At program point L833-6(lines 826 836) the Hoare annotation is: false [2021-11-07 01:24:20,045 INFO L853 garLoopResultBuilder]: At program point L833-7(lines 826 836) the Hoare annotation is: false [2021-11-07 01:24:20,045 INFO L853 garLoopResultBuilder]: At program point L833-8(lines 826 836) the Hoare annotation is: false [2021-11-07 01:24:20,046 INFO L853 garLoopResultBuilder]: At program point L471(lines 466 473) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:24:20,046 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-11-07 01:24:20,046 INFO L857 garLoopResultBuilder]: For program point L937(lines 937 943) no Hoare annotation was computed. [2021-11-07 01:24:20,046 INFO L853 garLoopResultBuilder]: At program point L937-1(lines 937 943) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse5 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~3)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse5 .cse3) (and .cse0 .cse1 .cse4 .cse2 .cse5) (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse3))) [2021-11-07 01:24:20,046 INFO L857 garLoopResultBuilder]: For program point L772(lines 772 789) no Hoare annotation was computed. [2021-11-07 01:24:20,046 INFO L857 garLoopResultBuilder]: For program point L772-1(lines 772 789) no Hoare annotation was computed. [2021-11-07 01:24:20,047 INFO L857 garLoopResultBuilder]: For program point L772-2(lines 772 789) no Hoare annotation was computed. [2021-11-07 01:24:20,047 INFO L857 garLoopResultBuilder]: For program point L640(lines 640 644) no Hoare annotation was computed. [2021-11-07 01:24:20,047 INFO L857 garLoopResultBuilder]: For program point L905(lines 905 911) no Hoare annotation was computed. [2021-11-07 01:24:20,047 INFO L853 garLoopResultBuilder]: At program point L905-1(lines 905 911) 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))) [2021-11-07 01:24:20,047 INFO L857 garLoopResultBuilder]: For program point L808(lines 808 814) no Hoare annotation was computed. [2021-11-07 01:24:20,047 INFO L857 garLoopResultBuilder]: For program point L808-2(lines 808 814) no Hoare annotation was computed. [2021-11-07 01:24:20,048 INFO L857 garLoopResultBuilder]: For program point L808-4(lines 808 814) no Hoare annotation was computed. [2021-11-07 01:24:20,048 INFO L857 garLoopResultBuilder]: For program point L808-6(lines 808 814) no Hoare annotation was computed. [2021-11-07 01:24:20,048 INFO L857 garLoopResultBuilder]: For program point L808-8(lines 808 814) no Hoare annotation was computed. [2021-11-07 01:24:20,048 INFO L857 garLoopResultBuilder]: For program point L808-10(lines 808 814) no Hoare annotation was computed. [2021-11-07 01:24:20,048 INFO L853 garLoopResultBuilder]: At program point L842(lines 837 845) 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)) [2021-11-07 01:24:20,048 INFO L853 garLoopResultBuilder]: At program point L842-1(lines 837 845) the Hoare annotation is: false [2021-11-07 01:24:20,049 INFO L857 garLoopResultBuilder]: For program point L776(lines 776 784) no Hoare annotation was computed. [2021-11-07 01:24:20,049 INFO L853 garLoopResultBuilder]: At program point L842-2(lines 837 845) the Hoare annotation is: false [2021-11-07 01:24:20,049 INFO L857 garLoopResultBuilder]: For program point L776-1(lines 776 784) no Hoare annotation was computed. [2021-11-07 01:24:20,049 INFO L857 garLoopResultBuilder]: For program point L776-2(lines 776 784) no Hoare annotation was computed. [2021-11-07 01:24:20,049 INFO L853 garLoopResultBuilder]: At program point L975(lines 926 976) the Hoare annotation is: false [2021-11-07 01:24:20,049 INFO L853 garLoopResultBuilder]: At program point L84(lines 1 982) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:24:20,050 INFO L857 garLoopResultBuilder]: For program point L746(lines 746 763) no Hoare annotation was computed. [2021-11-07 01:24:20,050 INFO L857 garLoopResultBuilder]: For program point L746-1(lines 746 763) no Hoare annotation was computed. [2021-11-07 01:24:20,050 INFO L857 garLoopResultBuilder]: For program point L746-2(lines 746 763) no Hoare annotation was computed. [2021-11-07 01:24:20,050 INFO L857 garLoopResultBuilder]: For program point L746-3(lines 746 763) no Hoare annotation was computed. [2021-11-07 01:24:20,050 INFO L857 garLoopResultBuilder]: For program point L746-4(lines 746 763) no Hoare annotation was computed. [2021-11-07 01:24:20,050 INFO L857 garLoopResultBuilder]: For program point L746-5(lines 746 763) no Hoare annotation was computed. [2021-11-07 01:24:20,051 INFO L857 garLoopResultBuilder]: For program point L482(lines 482 499) no Hoare annotation was computed. [2021-11-07 01:24:20,051 INFO L853 garLoopResultBuilder]: At program point L482-1(lines 1 982) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse5 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~3)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse5 .cse3) (and .cse0 .cse1 .cse4 .cse2 .cse5) (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse3))) [2021-11-07 01:24:20,051 INFO L857 garLoopResultBuilder]: For program point L482-2(lines 482 499) no Hoare annotation was computed. [2021-11-07 01:24:20,051 INFO L853 garLoopResultBuilder]: At program point L482-3(lines 1 982) the Hoare annotation is: false [2021-11-07 01:24:20,051 INFO L857 garLoopResultBuilder]: For program point L482-4(lines 482 499) no Hoare annotation was computed. [2021-11-07 01:24:20,051 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 01:24:20,052 INFO L853 garLoopResultBuilder]: At program point L482-5(lines 1 982) the Hoare annotation is: false [2021-11-07 01:24:20,052 INFO L853 garLoopResultBuilder]: At program point L714(lines 713 732) 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))) [2021-11-07 01:24:20,052 INFO L857 garLoopResultBuilder]: For program point L714-1(lines 714 720) no Hoare annotation was computed. [2021-11-07 01:24:20,052 INFO L853 garLoopResultBuilder]: At program point L714-2(lines 713 732) the Hoare annotation is: false [2021-11-07 01:24:20,052 INFO L853 garLoopResultBuilder]: At program point L714-3(lines 713 732) the Hoare annotation is: false [2021-11-07 01:24:20,052 INFO L853 garLoopResultBuilder]: At program point L516-2(lines 516 530) the Hoare annotation is: false [2021-11-07 01:24:20,053 INFO L857 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2021-11-07 01:24:20,053 INFO L857 garLoopResultBuilder]: For program point L54-1(line 54) no Hoare annotation was computed. [2021-11-07 01:24:20,053 INFO L857 garLoopResultBuilder]: For program point L54-2(line 54) no Hoare annotation was computed. [2021-11-07 01:24:20,053 INFO L857 garLoopResultBuilder]: For program point L616(lines 616 620) no Hoare annotation was computed. [2021-11-07 01:24:20,053 INFO L857 garLoopResultBuilder]: For program point L616-3(lines 616 620) no Hoare annotation was computed. [2021-11-07 01:24:20,053 INFO L857 garLoopResultBuilder]: For program point L517(line 517) no Hoare annotation was computed. [2021-11-07 01:24:20,053 INFO L857 garLoopResultBuilder]: For program point L616-6(lines 616 620) no Hoare annotation was computed. [2021-11-07 01:24:20,054 INFO L857 garLoopResultBuilder]: For program point L947(lines 947 953) no Hoare annotation was computed. [2021-11-07 01:24:20,054 INFO L853 garLoopResultBuilder]: At program point L947-1(lines 947 953) 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))) [2021-11-07 01:24:20,054 INFO L857 garLoopResultBuilder]: For program point L750(lines 750 758) no Hoare annotation was computed. [2021-11-07 01:24:20,054 INFO L857 garLoopResultBuilder]: For program point L750-1(lines 750 758) no Hoare annotation was computed. [2021-11-07 01:24:20,054 INFO L857 garLoopResultBuilder]: For program point L750-2(lines 750 758) no Hoare annotation was computed. [2021-11-07 01:24:20,054 INFO L857 garLoopResultBuilder]: For program point L750-3(lines 750 758) no Hoare annotation was computed. [2021-11-07 01:24:20,055 INFO L857 garLoopResultBuilder]: For program point L750-4(lines 750 758) no Hoare annotation was computed. [2021-11-07 01:24:20,055 INFO L857 garLoopResultBuilder]: For program point L750-5(lines 750 758) no Hoare annotation was computed. [2021-11-07 01:24:20,055 INFO L857 garLoopResultBuilder]: For program point L486(lines 486 496) no Hoare annotation was computed. [2021-11-07 01:24:20,055 INFO L857 garLoopResultBuilder]: For program point L486-2(lines 486 496) no Hoare annotation was computed. [2021-11-07 01:24:20,055 INFO L857 garLoopResultBuilder]: For program point L486-4(lines 486 496) no Hoare annotation was computed. [2021-11-07 01:24:20,055 INFO L857 garLoopResultBuilder]: For program point L520(lines 520 524) no Hoare annotation was computed. [2021-11-07 01:24:20,055 INFO L857 garLoopResultBuilder]: For program point L487(lines 487 493) no Hoare annotation was computed. [2021-11-07 01:24:20,056 INFO L857 garLoopResultBuilder]: For program point L520-1(lines 714 720) no Hoare annotation was computed. [2021-11-07 01:24:20,056 INFO L857 garLoopResultBuilder]: For program point L487-2(lines 487 493) no Hoare annotation was computed. [2021-11-07 01:24:20,056 INFO L857 garLoopResultBuilder]: For program point L487-4(lines 487 493) no Hoare annotation was computed. [2021-11-07 01:24:20,056 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 01:24:20,056 INFO L853 garLoopResultBuilder]: At program point L653(lines 648 656) 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))) [2021-11-07 01:24:20,056 INFO L853 garLoopResultBuilder]: At program point L653-1(lines 648 656) 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)) [2021-11-07 01:24:20,057 INFO L853 garLoopResultBuilder]: At program point L653-2(lines 648 656) 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))) [2021-11-07 01:24:20,057 INFO L853 garLoopResultBuilder]: At program point L653-3(lines 648 656) 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))) [2021-11-07 01:24:20,057 INFO L853 garLoopResultBuilder]: At program point L653-4(lines 648 656) the Hoare annotation is: false [2021-11-07 01:24:20,057 INFO L853 garLoopResultBuilder]: At program point L653-5(lines 648 656) the Hoare annotation is: false [2021-11-07 01:24:20,057 INFO L853 garLoopResultBuilder]: At program point L653-6(lines 648 656) the Hoare annotation is: false [2021-11-07 01:24:20,057 INFO L853 garLoopResultBuilder]: At program point L653-7(lines 648 656) the Hoare annotation is: false [2021-11-07 01:24:20,058 INFO L853 garLoopResultBuilder]: At program point L653-8(lines 648 656) the Hoare annotation is: false [2021-11-07 01:24:20,058 INFO L853 garLoopResultBuilder]: At program point L653-9(lines 648 656) the Hoare annotation is: false [2021-11-07 01:24:20,058 INFO L853 garLoopResultBuilder]: At program point L653-10(lines 648 656) the Hoare annotation is: false [2021-11-07 01:24:20,058 INFO L853 garLoopResultBuilder]: At program point L653-11(lines 648 656) the Hoare annotation is: false [2021-11-07 01:24:20,058 INFO L853 garLoopResultBuilder]: At program point L92(lines 87 95) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:24:20,058 INFO L853 garLoopResultBuilder]: At program point L721(lines 721 727) 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))) [2021-11-07 01:24:20,059 INFO L853 garLoopResultBuilder]: At program point L721-1(lines 721 727) the Hoare annotation is: false [2021-11-07 01:24:20,059 INFO L853 garLoopResultBuilder]: At program point L721-2(lines 721 727) the Hoare annotation is: false [2021-11-07 01:24:20,059 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 01:24:20,059 INFO L857 garLoopResultBuilder]: For program point L592(lines 592 599) no Hoare annotation was computed. [2021-11-07 01:24:20,059 INFO L860 garLoopResultBuilder]: At program point L592-1(lines 592 599) the Hoare annotation is: true [2021-11-07 01:24:20,059 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 01:24:20,060 INFO L857 garLoopResultBuilder]: For program point L957(lines 957 970) no Hoare annotation was computed. [2021-11-07 01:24:20,060 INFO L857 garLoopResultBuilder]: For program point L891(lines 891 895) no Hoare annotation was computed. [2021-11-07 01:24:20,060 INFO L857 garLoopResultBuilder]: For program point L891-2(lines 891 895) no Hoare annotation was computed. [2021-11-07 01:24:20,060 INFO L857 garLoopResultBuilder]: For program point L891-3(lines 891 895) no Hoare annotation was computed. [2021-11-07 01:24:20,060 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-11-07 01:24:20,060 INFO L857 garLoopResultBuilder]: For program point L891-5(lines 891 895) no Hoare annotation was computed. [2021-11-07 01:24:20,060 INFO L857 garLoopResultBuilder]: For program point L693(lines 693 699) no Hoare annotation was computed. [2021-11-07 01:24:20,061 INFO L857 garLoopResultBuilder]: For program point L891-6(lines 891 895) no Hoare annotation was computed. [2021-11-07 01:24:20,061 INFO L857 garLoopResultBuilder]: For program point L693-1(lines 693 699) no Hoare annotation was computed. [2021-11-07 01:24:20,061 INFO L857 garLoopResultBuilder]: For program point L693-2(lines 693 699) no Hoare annotation was computed. [2021-11-07 01:24:20,061 INFO L857 garLoopResultBuilder]: For program point L891-8(lines 891 895) no Hoare annotation was computed. [2021-11-07 01:24:20,061 INFO L857 garLoopResultBuilder]: For program point L693-3(lines 693 699) no Hoare annotation was computed. [2021-11-07 01:24:20,061 INFO L857 garLoopResultBuilder]: For program point L891-9(lines 891 895) no Hoare annotation was computed. [2021-11-07 01:24:20,062 INFO L857 garLoopResultBuilder]: For program point L693-4(lines 693 699) no Hoare annotation was computed. [2021-11-07 01:24:20,062 INFO L857 garLoopResultBuilder]: For program point L891-11(lines 891 895) no Hoare annotation was computed. [2021-11-07 01:24:20,062 INFO L857 garLoopResultBuilder]: For program point L693-5(lines 693 699) no Hoare annotation was computed. [2021-11-07 01:24:20,062 INFO L857 garLoopResultBuilder]: For program point L891-12(lines 891 895) no Hoare annotation was computed. [2021-11-07 01:24:20,062 INFO L857 garLoopResultBuilder]: For program point L891-14(lines 891 895) no Hoare annotation was computed. [2021-11-07 01:24:20,062 INFO L857 garLoopResultBuilder]: For program point L891-15(lines 891 895) no Hoare annotation was computed. [2021-11-07 01:24:20,062 INFO L857 garLoopResultBuilder]: For program point L891-17(lines 891 895) no Hoare annotation was computed. [2021-11-07 01:24:20,063 INFO L857 garLoopResultBuilder]: For program point L628(lines 628 632) no Hoare annotation was computed. [2021-11-07 01:24:20,066 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:24:20,067 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:24:20,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:24:20 BoogieIcfgContainer [2021-11-07 01:24:20,105 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:24:20,105 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:24:20,105 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:24:20,106 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:24:20,106 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:23:49" (3/4) ... [2021-11-07 01:24:20,109 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 01:24:20,130 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-11-07 01:24:20,132 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-07 01:24:20,133 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-07 01:24:20,134 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-07 01:24:20,135 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-07 01:24:20,136 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:24:20,138 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:24:20,162 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == tmp) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == tmp)) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 01:24:20,166 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == tmp) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == tmp)) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 01:24:20,167 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) [2021-11-07 01:24:20,168 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) [2021-11-07 01:24:20,169 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)) [2021-11-07 01:24:20,170 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)) [2021-11-07 01:24:20,170 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && 0bv32 == \result) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning [2021-11-07 01:24:20,172 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning [2021-11-07 01:24:20,173 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) [2021-11-07 01:24:20,173 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning [2021-11-07 01:24:20,174 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) [2021-11-07 01:24:20,175 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning [2021-11-07 01:24:20,175 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning [2021-11-07 01:24:20,262 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 01:24:20,263 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:24:20,264 INFO L168 Benchmark]: Toolchain (without parser) took 33516.46 ms. Allocated memory was 60.8 MB in the beginning and 209.7 MB in the end (delta: 148.9 MB). Free memory was 39.5 MB in the beginning and 164.4 MB in the end (delta: -124.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:24:20,265 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 60.8 MB. Free memory is still 41.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:24:20,266 INFO L168 Benchmark]: CACSL2BoogieTranslator took 539.17 ms. Allocated memory is still 60.8 MB. Free memory was 39.3 MB in the beginning and 29.2 MB in the end (delta: 10.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-11-07 01:24:20,266 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.14 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 29.2 MB in the beginning and 55.0 MB in the end (delta: -25.8 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. [2021-11-07 01:24:20,266 INFO L168 Benchmark]: Boogie Preprocessor took 72.77 ms. Allocated memory is still 73.4 MB. Free memory was 55.0 MB in the beginning and 52.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:24:20,267 INFO L168 Benchmark]: RCFGBuilder took 2337.69 ms. Allocated memory is still 73.4 MB. Free memory was 51.7 MB in the beginning and 33.8 MB in the end (delta: 17.9 MB). Peak memory consumption was 23.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:24:20,267 INFO L168 Benchmark]: TraceAbstraction took 30294.09 ms. Allocated memory was 73.4 MB in the beginning and 209.7 MB in the end (delta: 136.3 MB). Free memory was 33.4 MB in the beginning and 175.9 MB in the end (delta: -142.5 MB). Peak memory consumption was 113.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:24:20,268 INFO L168 Benchmark]: Witness Printer took 157.61 ms. Allocated memory is still 209.7 MB. Free memory was 175.9 MB in the beginning and 164.4 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:24:20,270 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 60.8 MB. Free memory is still 41.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 539.17 ms. Allocated memory is still 60.8 MB. Free memory was 39.3 MB in the beginning and 29.2 MB in the end (delta: 10.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 109.14 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 29.2 MB in the beginning and 55.0 MB in the end (delta: -25.8 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 72.77 ms. Allocated memory is still 73.4 MB. Free memory was 55.0 MB in the beginning and 52.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2337.69 ms. Allocated memory is still 73.4 MB. Free memory was 51.7 MB in the beginning and 33.8 MB in the end (delta: 17.9 MB). Peak memory consumption was 23.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 30294.09 ms. Allocated memory was 73.4 MB in the beginning and 209.7 MB in the end (delta: 136.3 MB). Free memory was 33.4 MB in the beginning and 175.9 MB in the end (delta: -142.5 MB). Peak memory consumption was 113.6 MB. Max. memory is 16.1 GB. * Witness Printer took 157.61 ms. Allocated memory is still 209.7 MB. Free memory was 175.9 MB in the beginning and 164.4 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: 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, 135 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 30.1s, OverallIterations: 11, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 16.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1406 SDtfs, 2251 SDslu, 3870 SDs, 0 SdLazy, 481 SolverSat, 93 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 718 GetRequests, 649 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=331occurred 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, 1907 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 57 PreInvPairs, 488 NumberOfFragments, 710 HoareAnnotationTreeSize, 57 FomulaSimplifications, 4773182 FormulaSimplificationTreeSizeReduction, 5.0s HoareSimplificationTime, 57 FomulaSimplificationsInter, 2428051 FormulaSimplificationTreeSizeReductionInter, 10.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 343 NumberOfCodeBlocks, 343 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 664 ConstructedInterpolants, 0 QuantifiedInterpolants, 1106 SizeOfPredicates, 23 NumberOfNonLiveVariables, 2324 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: 713]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 713]: 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: 714]: 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: 648]: 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: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == tmp) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == tmp)) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 721]: 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: 713]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == tmp) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == tmp)) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 947]: 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: 926]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 563]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 648]: 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: 648]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 826]: 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: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 0bv32 == \result) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: 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: 826]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-07 01:24:20,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec4ec13-5dff-4958-a2b6-1f129107d6fd/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE