./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product46.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_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/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_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/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_e9c9cb4c-f222-46df-b742-560b8e13d166/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 5780768f89256c506186805750dd5ec09f07e7c3b9baffd6ca5edbcb4a88d3de --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:10:21,012 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:10:21,015 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:10:21,062 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:10:21,063 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:10:21,067 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:10:21,069 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:10:21,072 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:10:21,075 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:10:21,080 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:10:21,081 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:10:21,082 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:10:21,083 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:10:21,084 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:10:21,085 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:10:21,086 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:10:21,087 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:10:21,088 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:10:21,090 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:10:21,092 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:10:21,094 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:10:21,100 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:10:21,101 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:10:21,104 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:10:21,111 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:10:21,115 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:10:21,116 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:10:21,117 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:10:21,118 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:10:21,120 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:10:21,121 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:10:21,122 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:10:21,124 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:10:21,125 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:10:21,127 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:10:21,127 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:10:21,128 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:10:21,128 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:10:21,128 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:10:21,129 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:10:21,130 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:10:21,131 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:10:21,171 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:10:21,172 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:10:21,173 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:10:21,173 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:10:21,174 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:10:21,174 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:10:21,174 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:10:21,174 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:10:21,174 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:10:21,175 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:10:21,176 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:10:21,176 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:10:21,176 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:10:21,177 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:10:21,177 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:10:21,178 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:10:21,178 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:10:21,178 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:10:21,178 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:10:21,178 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:10:21,179 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:10:21,179 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:10:21,179 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:10:21,179 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:10:21,180 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:10:21,180 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:10:21,180 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:10:21,180 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:10:21,180 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:10:21,181 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:10:21,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:10:21,181 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:10:21,182 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:10:21,182 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:10:21,182 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:10:21,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:10:21,182 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:10:21,183 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:10:21,183 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:10:21,183 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_e9c9cb4c-f222-46df-b742-560b8e13d166/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5780768f89256c506186805750dd5ec09f07e7c3b9baffd6ca5edbcb4a88d3de [2021-11-07 01:10:21,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:10:21,528 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:10:21,531 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:10:21,533 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:10:21,534 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:10:21,534 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c [2021-11-07 01:10:21,617 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/data/d45477bd3/b14f2bf31f674ab5a2416dd04908ed4e/FLAGfc991f35f [2021-11-07 01:10:22,124 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:10:22,124 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c [2021-11-07 01:10:22,146 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/data/d45477bd3/b14f2bf31f674ab5a2416dd04908ed4e/FLAGfc991f35f [2021-11-07 01:10:22,435 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/data/d45477bd3/b14f2bf31f674ab5a2416dd04908ed4e [2021-11-07 01:10:22,438 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:10:22,439 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:10:22,441 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:10:22,441 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:10:22,445 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:10:22,445 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:10:22" (1/1) ... [2021-11-07 01:10:22,446 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62ae2722 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:22, skipping insertion in model container [2021-11-07 01:10:22,447 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:10:22" (1/1) ... [2021-11-07 01:10:22,454 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:10:22,503 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:10:22,731 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_e9c9cb4c-f222-46df-b742-560b8e13d166/sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c[7019,7032] [2021-11-07 01:10:22,791 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:10:22,801 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 01:10:22,802 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2386685 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:22, skipping insertion in model container [2021-11-07 01:10:22,802 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:10:22,802 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:10:22,804 INFO L168 Benchmark]: Toolchain (without parser) took 363.77 ms. Allocated memory is still 113.2 MB. Free memory was 71.8 MB in the beginning and 83.7 MB in the end (delta: -12.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:10:22,805 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 113.2 MB. Free memory is still 89.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:10:22,806 INFO L168 Benchmark]: CACSL2BoogieTranslator took 361.26 ms. Allocated memory is still 113.2 MB. Free memory was 71.6 MB in the beginning and 83.7 MB in the end (delta: -12.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:10:22,807 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 113.2 MB. Free memory is still 89.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 361.26 ms. Allocated memory is still 113.2 MB. Free memory was 71.6 MB in the beginning and 83.7 MB in the end (delta: -12.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 626]: 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_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/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_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/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_e9c9cb4c-f222-46df-b742-560b8e13d166/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 5780768f89256c506186805750dd5ec09f07e7c3b9baffd6ca5edbcb4a88d3de --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:10:25,024 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:10:25,027 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:10:25,088 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:10:25,088 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:10:25,093 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:10:25,096 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:10:25,100 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:10:25,103 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:10:25,111 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:10:25,112 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:10:25,114 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:10:25,115 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:10:25,117 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:10:25,120 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:10:25,125 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:10:25,127 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:10:25,128 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:10:25,130 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:10:25,140 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:10:25,142 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:10:25,143 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:10:25,146 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:10:25,148 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:10:25,152 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:10:25,152 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:10:25,153 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:10:25,155 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:10:25,155 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:10:25,157 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:10:25,157 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:10:25,158 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:10:25,160 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:10:25,160 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:10:25,162 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:10:25,162 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:10:25,163 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:10:25,164 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:10:25,164 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:10:25,166 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:10:25,166 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:10:25,171 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 01:10:25,214 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:10:25,215 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:10:25,216 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:10:25,216 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:10:25,216 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:10:25,217 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:10:25,217 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:10:25,217 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:10:25,217 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:10:25,219 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:10:25,220 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:10:25,220 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:10:25,220 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:10:25,220 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:10:25,221 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:10:25,221 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:10:25,221 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:10:25,221 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:10:25,221 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:10:25,221 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:10:25,222 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:10:25,222 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:10:25,222 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:10:25,222 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:10:25,222 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:10:25,223 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:10:25,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:10:25,223 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:10:25,223 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:10:25,223 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:10:25,224 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:10:25,224 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:10:25,224 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:10:25,224 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:10:25,225 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:10:25,225 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_e9c9cb4c-f222-46df-b742-560b8e13d166/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5780768f89256c506186805750dd5ec09f07e7c3b9baffd6ca5edbcb4a88d3de [2021-11-07 01:10:25,592 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:10:25,615 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:10:25,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:10:25,619 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:10:25,620 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:10:25,621 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c [2021-11-07 01:10:25,685 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/data/e4cc885aa/9b5dffaf888843db875bf940e344e339/FLAG49a7fe35e [2021-11-07 01:10:26,213 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:10:26,214 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c [2021-11-07 01:10:26,227 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/data/e4cc885aa/9b5dffaf888843db875bf940e344e339/FLAG49a7fe35e [2021-11-07 01:10:26,566 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/data/e4cc885aa/9b5dffaf888843db875bf940e344e339 [2021-11-07 01:10:26,568 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:10:26,569 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:10:26,571 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:10:26,571 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:10:26,581 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:10:26,582 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:10:26" (1/1) ... [2021-11-07 01:10:26,583 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@262127e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:26, skipping insertion in model container [2021-11-07 01:10:26,583 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:10:26" (1/1) ... [2021-11-07 01:10:26,593 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:10:26,635 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:10:26,847 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_e9c9cb4c-f222-46df-b742-560b8e13d166/sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c[7019,7032] [2021-11-07 01:10:26,963 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:10:26,987 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:10:27,000 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:10:27,025 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_e9c9cb4c-f222-46df-b742-560b8e13d166/sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c[7019,7032] [2021-11-07 01:10:27,066 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:10:27,085 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:10:27,129 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_e9c9cb4c-f222-46df-b742-560b8e13d166/sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c[7019,7032] [2021-11-07 01:10:27,187 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:10:27,212 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:10:27,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:27 WrapperNode [2021-11-07 01:10:27,212 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:10:27,214 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:10:27,214 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:10:27,214 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:10:27,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:27" (1/1) ... [2021-11-07 01:10:27,252 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:27" (1/1) ... [2021-11-07 01:10:27,329 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:10:27,330 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:10:27,330 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:10:27,331 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:10:27,350 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:27" (1/1) ... [2021-11-07 01:10:27,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:27" (1/1) ... [2021-11-07 01:10:27,356 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:27" (1/1) ... [2021-11-07 01:10:27,357 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:27" (1/1) ... [2021-11-07 01:10:27,386 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:27" (1/1) ... [2021-11-07 01:10:27,395 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:27" (1/1) ... [2021-11-07 01:10:27,398 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:27" (1/1) ... [2021-11-07 01:10:27,404 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:10:27,405 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:10:27,405 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:10:27,406 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:10:27,406 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:27" (1/1) ... [2021-11-07 01:10:27,413 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:10:27,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:10:27,460 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:10:27,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:10:27,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:10:27,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:10:27,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:10:27,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:10:29,941 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:10:29,942 INFO L299 CfgBuilder]: Removed 194 assume(true) statements. [2021-11-07 01:10:29,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:10:29 BoogieIcfgContainer [2021-11-07 01:10:29,946 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:10:29,949 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:10:29,949 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:10:29,952 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:10:29,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:10:26" (1/3) ... [2021-11-07 01:10:29,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@775fb7bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:10:29, skipping insertion in model container [2021-11-07 01:10:29,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:27" (2/3) ... [2021-11-07 01:10:29,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@775fb7bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:10:29, skipping insertion in model container [2021-11-07 01:10:29,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:10:29" (3/3) ... [2021-11-07 01:10:29,956 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product46.cil.c [2021-11-07 01:10:29,962 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:10:29,962 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-07 01:10:30,036 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:10:30,047 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 01:10:30,047 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-07 01:10:30,071 INFO L276 IsEmpty]: Start isEmpty. Operand has 129 states, 125 states have (on average 1.536) internal successors, (192), 128 states have internal predecessors, (192), 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 01:10:30,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-07 01:10:30,089 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:30,090 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:30,091 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 01:10:30,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:30,099 INFO L85 PathProgramCache]: Analyzing trace with hash -1027746333, now seen corresponding path program 1 times [2021-11-07 01:10:30,119 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:10:30,120 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [363223800] [2021-11-07 01:10:30,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:30,122 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:10:30,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:10:30,126 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:10:30,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:10:30,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:30,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 01:10:30,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:10:30,464 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 01:10:30,464 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:10:30,522 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 01:10:30,523 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:10:30,524 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [363223800] [2021-11-07 01:10:30,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [363223800] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:30,525 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:30,526 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:10:30,528 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144293947] [2021-11-07 01:10:30,533 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 01:10:30,534 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:10:30,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 01:10:30,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:10:30,554 INFO L87 Difference]: Start difference. First operand has 129 states, 125 states have (on average 1.536) internal successors, (192), 128 states have internal predecessors, (192), 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 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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 01:10:30,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:30,588 INFO L93 Difference]: Finished difference Result 252 states and 377 transitions. [2021-11-07 01:10:30,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 01:10:30,589 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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 16 [2021-11-07 01:10:30,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:30,601 INFO L225 Difference]: With dead ends: 252 [2021-11-07 01:10:30,601 INFO L226 Difference]: Without dead ends: 125 [2021-11-07 01:10:30,604 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 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 01:10:30,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2021-11-07 01:10:30,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2021-11-07 01:10:30,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 122 states have (on average 1.4754098360655739) internal successors, (180), 124 states have internal predecessors, (180), 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 01:10:30,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 180 transitions. [2021-11-07 01:10:30,649 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 180 transitions. Word has length 16 [2021-11-07 01:10:30,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:30,649 INFO L470 AbstractCegarLoop]: Abstraction has 125 states and 180 transitions. [2021-11-07 01:10:30,650 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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 01:10:30,650 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 180 transitions. [2021-11-07 01:10:30,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-07 01:10:30,651 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:30,652 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:30,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:10:30,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:10:30,854 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 01:10:30,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:30,855 INFO L85 PathProgramCache]: Analyzing trace with hash -2074503230, now seen corresponding path program 1 times [2021-11-07 01:10:30,856 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:10:30,859 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [643707926] [2021-11-07 01:10:30,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:30,860 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:10:30,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:10:30,862 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:10:30,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:10:31,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:31,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:10:31,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:10:31,122 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 01:10:31,122 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:10:31,175 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 01:10:31,176 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:10:31,176 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [643707926] [2021-11-07 01:10:31,176 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [643707926] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:31,176 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:31,177 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:10:31,177 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163763304] [2021-11-07 01:10:31,178 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:10:31,178 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:10:31,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:10:31,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:10:31,180 INFO L87 Difference]: Start difference. First operand 125 states and 180 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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 01:10:31,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:31,196 INFO L93 Difference]: Finished difference Result 125 states and 180 transitions. [2021-11-07 01:10:31,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:10:31,197 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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 17 [2021-11-07 01:10:31,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:31,198 INFO L225 Difference]: With dead ends: 125 [2021-11-07 01:10:31,198 INFO L226 Difference]: Without dead ends: 51 [2021-11-07 01:10:31,199 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 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 01:10:31,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-11-07 01:10:31,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-11-07 01:10:31,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 50 states have (on average 1.46) internal successors, (73), 50 states have internal predecessors, (73), 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 01:10:31,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2021-11-07 01:10:31,207 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 17 [2021-11-07 01:10:31,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:31,207 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions. [2021-11-07 01:10:31,207 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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 01:10:31,207 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2021-11-07 01:10:31,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-07 01:10:31,208 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:31,209 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] [2021-11-07 01:10:31,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-11-07 01:10:31,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:10:31,422 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 01:10:31,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:31,422 INFO L85 PathProgramCache]: Analyzing trace with hash 640818778, now seen corresponding path program 1 times [2021-11-07 01:10:31,423 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:10:31,424 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1193040668] [2021-11-07 01:10:31,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:31,424 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:10:31,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:10:31,425 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:10:31,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:10:31,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:31,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:10:31,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:10:31,700 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 01:10:31,700 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:10:31,790 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 01:10:31,790 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:10:31,791 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1193040668] [2021-11-07 01:10:31,791 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1193040668] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:31,791 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:31,791 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:10:31,791 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80073569] [2021-11-07 01:10:31,792 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:10:31,792 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:10:31,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:10:31,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:10:31,793 INFO L87 Difference]: Start difference. First operand 51 states and 73 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:31,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:31,830 INFO L93 Difference]: Finished difference Result 96 states and 140 transitions. [2021-11-07 01:10:31,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:10:31,831 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-11-07 01:10:31,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:31,832 INFO L225 Difference]: With dead ends: 96 [2021-11-07 01:10:31,832 INFO L226 Difference]: Without dead ends: 51 [2021-11-07 01:10:31,833 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 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 01:10:31,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-11-07 01:10:31,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-11-07 01:10:31,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 50 states have (on average 1.44) internal successors, (72), 50 states have internal predecessors, (72), 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 01:10:31,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 72 transitions. [2021-11-07 01:10:31,840 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 72 transitions. Word has length 22 [2021-11-07 01:10:31,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:31,841 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 72 transitions. [2021-11-07 01:10:31,841 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:31,841 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 72 transitions. [2021-11-07 01:10:31,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-07 01:10:31,842 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:31,842 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 01:10:31,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:10:32,054 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:10:32,055 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 01:10:32,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:32,055 INFO L85 PathProgramCache]: Analyzing trace with hash -855709928, now seen corresponding path program 1 times [2021-11-07 01:10:32,056 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:10:32,056 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1237734098] [2021-11-07 01:10:32,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:32,057 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:10:32,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:10:32,059 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:10:32,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:10:32,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:32,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:10:32,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:10:32,347 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 01:10:32,347 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:10:32,420 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 01:10:32,420 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:10:32,420 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1237734098] [2021-11-07 01:10:32,421 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1237734098] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:32,421 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:32,421 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:10:32,421 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922752696] [2021-11-07 01:10:32,422 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:10:32,422 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:10:32,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:10:32,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:10:32,423 INFO L87 Difference]: Start difference. First operand 51 states and 72 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 01:10:32,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:32,493 INFO L93 Difference]: Finished difference Result 117 states and 168 transitions. [2021-11-07 01:10:32,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:10:32,494 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 01:10:32,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:32,495 INFO L225 Difference]: With dead ends: 117 [2021-11-07 01:10:32,496 INFO L226 Difference]: Without dead ends: 72 [2021-11-07 01:10:32,496 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 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 01:10:32,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2021-11-07 01:10:32,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 70. [2021-11-07 01:10:32,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 69 states have (on average 1.4202898550724639) internal successors, (98), 69 states have internal predecessors, (98), 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 01:10:32,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 98 transitions. [2021-11-07 01:10:32,507 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 98 transitions. Word has length 24 [2021-11-07 01:10:32,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:32,507 INFO L470 AbstractCegarLoop]: Abstraction has 70 states and 98 transitions. [2021-11-07 01:10:32,507 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 01:10:32,508 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 98 transitions. [2021-11-07 01:10:32,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-07 01:10:32,509 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:32,509 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] [2021-11-07 01:10:32,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:10:32,721 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:10:32,721 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 01:10:32,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:32,722 INFO L85 PathProgramCache]: Analyzing trace with hash -407287284, now seen corresponding path program 1 times [2021-11-07 01:10:32,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:10:32,723 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [272796254] [2021-11-07 01:10:32,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:32,723 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:10:32,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:10:32,724 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:10:32,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 01:10:32,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:32,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:10:32,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:10:33,081 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 01:10:33,081 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:10:33,202 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 01:10:33,202 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:10:33,203 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [272796254] [2021-11-07 01:10:33,207 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [272796254] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:33,207 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:33,207 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 01:10:33,207 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95376903] [2021-11-07 01:10:33,208 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:10:33,209 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:10:33,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:10:33,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:10:33,210 INFO L87 Difference]: Start difference. First operand 70 states and 98 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 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 01:10:33,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:33,383 INFO L93 Difference]: Finished difference Result 335 states and 484 transitions. [2021-11-07 01:10:33,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 01:10:33,384 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 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 30 [2021-11-07 01:10:33,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:33,387 INFO L225 Difference]: With dead ends: 335 [2021-11-07 01:10:33,390 INFO L226 Difference]: Without dead ends: 271 [2021-11-07 01:10:33,391 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 55 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 01:10:33,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2021-11-07 01:10:33,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 128. [2021-11-07 01:10:33,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 127 states have (on average 1.4094488188976377) internal successors, (179), 127 states have internal predecessors, (179), 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 01:10:33,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 179 transitions. [2021-11-07 01:10:33,417 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 179 transitions. Word has length 30 [2021-11-07 01:10:33,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:33,418 INFO L470 AbstractCegarLoop]: Abstraction has 128 states and 179 transitions. [2021-11-07 01:10:33,418 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 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 01:10:33,418 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 179 transitions. [2021-11-07 01:10:33,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-07 01:10:33,420 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:33,420 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] [2021-11-07 01:10:33,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-11-07 01:10:33,636 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:10:33,636 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 01:10:33,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:33,637 INFO L85 PathProgramCache]: Analyzing trace with hash 264481218, now seen corresponding path program 1 times [2021-11-07 01:10:33,638 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:10:33,638 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1222453588] [2021-11-07 01:10:33,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:33,638 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:10:33,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:10:33,639 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:10:33,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 01:10:33,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:33,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:10:33,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:10:33,973 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 01:10:33,973 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:10:34,054 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 01:10:34,055 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:10:34,055 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1222453588] [2021-11-07 01:10:34,055 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1222453588] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:34,055 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:34,056 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 01:10:34,056 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474596333] [2021-11-07 01:10:34,056 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:10:34,057 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:10:34,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:10:34,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:10:34,058 INFO L87 Difference]: Start difference. First operand 128 states and 179 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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 01:10:34,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:34,211 INFO L93 Difference]: Finished difference Result 366 states and 516 transitions. [2021-11-07 01:10:34,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 01:10:34,212 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-11-07 01:10:34,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:34,215 INFO L225 Difference]: With dead ends: 366 [2021-11-07 01:10:34,215 INFO L226 Difference]: Without dead ends: 364 [2021-11-07 01:10:34,215 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 59 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 01:10:34,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2021-11-07 01:10:34,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 128. [2021-11-07 01:10:34,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 127 states have (on average 1.4015748031496063) internal successors, (178), 127 states have internal predecessors, (178), 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 01:10:34,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 178 transitions. [2021-11-07 01:10:34,261 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 178 transitions. Word has length 31 [2021-11-07 01:10:34,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:34,261 INFO L470 AbstractCegarLoop]: Abstraction has 128 states and 178 transitions. [2021-11-07 01:10:34,261 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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 01:10:34,262 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 178 transitions. [2021-11-07 01:10:34,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-07 01:10:34,263 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:34,263 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] [2021-11-07 01:10:34,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-07 01:10:34,480 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:10:34,481 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 01:10:34,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:34,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1178247995, now seen corresponding path program 1 times [2021-11-07 01:10:34,482 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:10:34,482 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [19022335] [2021-11-07 01:10:34,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:34,483 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:10:34,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:10:34,484 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:10:34,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-07 01:10:34,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:34,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:10:34,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:10:34,851 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 01:10:34,852 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:10:34,918 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 01:10:34,918 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:10:34,918 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [19022335] [2021-11-07 01:10:34,918 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [19022335] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:34,918 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:34,918 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 01:10:34,918 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049586588] [2021-11-07 01:10:34,919 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:10:34,919 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:10:34,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:10:34,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:10:34,920 INFO L87 Difference]: Start difference. First operand 128 states and 178 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:35,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:35,005 INFO L93 Difference]: Finished difference Result 336 states and 464 transitions. [2021-11-07 01:10:35,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 01:10:35,005 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-11-07 01:10:35,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:35,007 INFO L225 Difference]: With dead ends: 336 [2021-11-07 01:10:35,007 INFO L226 Difference]: Without dead ends: 214 [2021-11-07 01:10:35,008 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 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 01:10:35,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2021-11-07 01:10:35,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 140. [2021-11-07 01:10:35,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 139 states have (on average 1.3669064748201438) internal successors, (190), 139 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 01:10:35,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 190 transitions. [2021-11-07 01:10:35,031 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 190 transitions. Word has length 34 [2021-11-07 01:10:35,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:35,031 INFO L470 AbstractCegarLoop]: Abstraction has 140 states and 190 transitions. [2021-11-07 01:10:35,032 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:35,032 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 190 transitions. [2021-11-07 01:10:35,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-07 01:10:35,033 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:35,034 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] [2021-11-07 01:10:35,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-07 01:10:35,251 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:10:35,255 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 01:10:35,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:35,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1765054009, now seen corresponding path program 1 times [2021-11-07 01:10:35,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:10:35,256 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [231549322] [2021-11-07 01:10:35,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:35,256 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:10:35,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:10:35,259 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:10:35,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-07 01:10:35,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:35,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:10:35,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:10:35,647 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 01:10:35,647 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:10:35,739 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 01:10:35,739 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:10:35,739 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [231549322] [2021-11-07 01:10:35,744 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [231549322] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:35,744 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:35,745 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-07 01:10:35,745 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141165774] [2021-11-07 01:10:35,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:10:35,747 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:10:35,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:10:35,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:10:35,748 INFO L87 Difference]: Start difference. First operand 140 states and 190 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:35,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:35,831 INFO L93 Difference]: Finished difference Result 370 states and 498 transitions. [2021-11-07 01:10:35,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:10:35,832 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-11-07 01:10:35,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:35,835 INFO L225 Difference]: With dead ends: 370 [2021-11-07 01:10:35,835 INFO L226 Difference]: Without dead ends: 236 [2021-11-07 01:10:35,837 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 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 01:10:35,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2021-11-07 01:10:35,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 148. [2021-11-07 01:10:35,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 147 states have (on average 1.346938775510204) internal successors, (198), 147 states have internal predecessors, (198), 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 01:10:35,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 198 transitions. [2021-11-07 01:10:35,870 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 198 transitions. Word has length 34 [2021-11-07 01:10:35,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:35,870 INFO L470 AbstractCegarLoop]: Abstraction has 148 states and 198 transitions. [2021-11-07 01:10:35,871 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:35,871 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 198 transitions. [2021-11-07 01:10:35,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-07 01:10:35,880 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:35,881 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] [2021-11-07 01:10:35,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2021-11-07 01:10:36,094 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:10:36,094 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 01:10:36,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:36,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1250049609, now seen corresponding path program 1 times [2021-11-07 01:10:36,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:10:36,095 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1236163079] [2021-11-07 01:10:36,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:36,095 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:10:36,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:10:36,097 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:10:36,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-07 01:10:36,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:36,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:10:36,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:10:36,472 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 01:10:36,473 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:10:36,596 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 01:10:36,596 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:10:36,596 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1236163079] [2021-11-07 01:10:36,596 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1236163079] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:36,597 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:36,597 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-07 01:10:36,597 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546249789] [2021-11-07 01:10:36,597 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:10:36,598 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:10:36,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:10:36,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:10:36,599 INFO L87 Difference]: Start difference. First operand 148 states and 198 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:36,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:36,682 INFO L93 Difference]: Finished difference Result 442 states and 594 transitions. [2021-11-07 01:10:36,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:10:36,683 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-11-07 01:10:36,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:36,685 INFO L225 Difference]: With dead ends: 442 [2021-11-07 01:10:36,685 INFO L226 Difference]: Without dead ends: 300 [2021-11-07 01:10:36,686 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 64 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 01:10:36,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2021-11-07 01:10:36,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 248. [2021-11-07 01:10:36,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 247 states have (on average 1.3319838056680162) internal successors, (329), 247 states have internal predecessors, (329), 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 01:10:36,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 329 transitions. [2021-11-07 01:10:36,720 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 329 transitions. Word has length 34 [2021-11-07 01:10:36,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:36,721 INFO L470 AbstractCegarLoop]: Abstraction has 248 states and 329 transitions. [2021-11-07 01:10:36,721 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:36,721 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 329 transitions. [2021-11-07 01:10:36,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-07 01:10:36,722 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:36,723 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] [2021-11-07 01:10:36,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-07 01:10:36,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:10:36,935 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 01:10:36,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:36,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1528481977, now seen corresponding path program 1 times [2021-11-07 01:10:36,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:10:36,936 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1490416852] [2021-11-07 01:10:36,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:36,937 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:10:36,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:10:36,938 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:10:36,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-07 01:10:37,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:37,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:10:37,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:10:37,340 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 01:10:37,340 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:10:37,467 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 01:10:37,467 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:10:37,467 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1490416852] [2021-11-07 01:10:37,467 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1490416852] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:37,468 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:37,468 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-07 01:10:37,468 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547173642] [2021-11-07 01:10:37,468 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-07 01:10:37,468 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:10:37,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-07 01:10:37,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-07 01:10:37,469 INFO L87 Difference]: Start difference. First operand 248 states and 329 transitions. Second operand has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 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 01:10:39,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:39,242 INFO L93 Difference]: Finished difference Result 1084 states and 1406 transitions. [2021-11-07 01:10:39,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-07 01:10:39,242 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-11-07 01:10:39,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:39,248 INFO L225 Difference]: With dead ends: 1084 [2021-11-07 01:10:39,249 INFO L226 Difference]: Without dead ends: 842 [2021-11-07 01:10:39,250 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 65 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 01:10:39,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2021-11-07 01:10:39,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 248. [2021-11-07 01:10:39,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 247 states have (on average 1.3076923076923077) internal successors, (323), 247 states have internal predecessors, (323), 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 01:10:39,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 323 transitions. [2021-11-07 01:10:39,294 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 323 transitions. Word has length 35 [2021-11-07 01:10:39,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:39,295 INFO L470 AbstractCegarLoop]: Abstraction has 248 states and 323 transitions. [2021-11-07 01:10:39,295 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 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 01:10:39,295 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 323 transitions. [2021-11-07 01:10:39,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-07 01:10:39,296 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:39,297 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] [2021-11-07 01:10:39,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-07 01:10:39,515 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:10:39,515 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 01:10:39,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:39,516 INFO L85 PathProgramCache]: Analyzing trace with hash 1889774882, now seen corresponding path program 1 times [2021-11-07 01:10:39,516 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:10:39,516 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [458215486] [2021-11-07 01:10:39,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:39,516 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:10:39,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:10:39,518 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:10:39,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-07 01:10:39,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:39,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:10:39,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:10:39,976 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 01:10:39,976 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:10:40,133 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 01:10:40,134 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:10:40,134 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [458215486] [2021-11-07 01:10:40,134 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [458215486] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:10:40,134 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:10:40,134 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-07 01:10:40,134 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499915844] [2021-11-07 01:10:40,135 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-07 01:10:40,135 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:10:40,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-07 01:10:40,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-07 01:10:40,136 INFO L87 Difference]: Start difference. First operand 248 states and 323 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 01:10:41,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:41,678 INFO L93 Difference]: Finished difference Result 760 states and 979 transitions. [2021-11-07 01:10:41,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 01:10:41,678 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 54 [2021-11-07 01:10:41,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:41,680 INFO L225 Difference]: With dead ends: 760 [2021-11-07 01:10:41,680 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 01:10:41,681 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2021-11-07 01:10:41,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 01:10:41,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 01:10:41,682 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 01:10:41,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 01:10:41,682 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2021-11-07 01:10:41,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:41,683 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 01:10:41,683 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 01:10:41,683 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 01:10:41,683 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 01:10:41,686 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:10:41,687 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:10:41,687 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:10:41,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-07 01:10:41,900 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:10:41,901 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 01:10:41,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:41,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:41,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:41,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:41,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:41,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:41,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:42,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:42,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:42,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:42,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:42,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:42,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:42,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:42,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:42,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:42,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:42,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:42,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:42,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:42,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:42,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:43,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:43,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:43,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:43,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:43,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:43,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:43,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:43,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:43,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:43,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:43,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:43,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:43,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:43,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:43,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:43,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:43,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:43,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:43,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:43,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:43,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:43,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:43,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:43,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:43,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:43,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:44,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:44,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:44,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:44,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:44,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:44,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:44,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:49,959 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 472) no Hoare annotation was computed. [2021-11-07 01:10:49,960 INFO L857 garLoopResultBuilder]: For program point L103(lines 103 107) no Hoare annotation was computed. [2021-11-07 01:10:49,960 INFO L853 garLoopResultBuilder]: At program point L103-2(lines 138 144) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32))))) [2021-11-07 01:10:49,960 INFO L857 garLoopResultBuilder]: For program point L170(lines 170 187) no Hoare annotation was computed. [2021-11-07 01:10:49,962 INFO L857 garLoopResultBuilder]: For program point L170-1(lines 170 187) no Hoare annotation was computed. [2021-11-07 01:10:49,962 INFO L857 garLoopResultBuilder]: For program point L170-2(lines 170 187) no Hoare annotation was computed. [2021-11-07 01:10:49,962 INFO L857 garLoopResultBuilder]: For program point L170-3(lines 170 187) no Hoare annotation was computed. [2021-11-07 01:10:49,962 INFO L857 garLoopResultBuilder]: For program point L170-4(lines 170 187) no Hoare annotation was computed. [2021-11-07 01:10:49,963 INFO L857 garLoopResultBuilder]: For program point L170-5(lines 170 187) no Hoare annotation was computed. [2021-11-07 01:10:49,963 INFO L857 garLoopResultBuilder]: For program point L534(lines 534 538) no Hoare annotation was computed. [2021-11-07 01:10:49,963 INFO L853 garLoopResultBuilder]: At program point L138(lines 137 156) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32))))) [2021-11-07 01:10:49,964 INFO L857 garLoopResultBuilder]: For program point L138-1(lines 138 144) no Hoare annotation was computed. [2021-11-07 01:10:49,964 INFO L853 garLoopResultBuilder]: At program point L138-2(lines 137 156) the Hoare annotation is: false [2021-11-07 01:10:49,964 INFO L853 garLoopResultBuilder]: At program point L138-3(lines 137 156) the Hoare annotation is: false [2021-11-07 01:10:49,964 INFO L857 garLoopResultBuilder]: For program point L174(lines 174 182) no Hoare annotation was computed. [2021-11-07 01:10:49,965 INFO L857 garLoopResultBuilder]: For program point L174-1(lines 174 182) no Hoare annotation was computed. [2021-11-07 01:10:49,965 INFO L857 garLoopResultBuilder]: For program point L174-2(lines 174 182) no Hoare annotation was computed. [2021-11-07 01:10:49,965 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 81) no Hoare annotation was computed. [2021-11-07 01:10:49,965 INFO L857 garLoopResultBuilder]: For program point L174-3(lines 174 182) no Hoare annotation was computed. [2021-11-07 01:10:49,966 INFO L853 garLoopResultBuilder]: At program point L75-1(lines 75 81) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse3) (and .cse0 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~6 (_ bv0 32)) .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2))) [2021-11-07 01:10:49,967 INFO L857 garLoopResultBuilder]: For program point L174-4(lines 174 182) no Hoare annotation was computed. [2021-11-07 01:10:49,967 INFO L857 garLoopResultBuilder]: For program point L174-5(lines 174 182) no Hoare annotation was computed. [2021-11-07 01:10:49,967 INFO L857 garLoopResultBuilder]: For program point L472(line 472) no Hoare annotation was computed. [2021-11-07 01:10:49,967 INFO L857 garLoopResultBuilder]: For program point L472-1(line 472) no Hoare annotation was computed. [2021-11-07 01:10:49,967 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 472) no Hoare annotation was computed. [2021-11-07 01:10:49,969 INFO L857 garLoopResultBuilder]: For program point L472-2(line 472) no Hoare annotation was computed. [2021-11-07 01:10:49,970 INFO L853 garLoopResultBuilder]: At program point L145(lines 145 151) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse3) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2))) [2021-11-07 01:10:49,970 INFO L853 garLoopResultBuilder]: At program point L145-1(lines 145 151) the Hoare annotation is: false [2021-11-07 01:10:49,970 INFO L853 garLoopResultBuilder]: At program point L145-2(lines 145 151) the Hoare annotation is: false [2021-11-07 01:10:49,970 INFO L853 garLoopResultBuilder]: At program point L113(lines 64 114) the Hoare annotation is: false [2021-11-07 01:10:49,971 INFO L857 garLoopResultBuilder]: For program point L510(lines 510 514) no Hoare annotation was computed. [2021-11-07 01:10:49,971 INFO L857 garLoopResultBuilder]: For program point L510-3(lines 510 514) no Hoare annotation was computed. [2021-11-07 01:10:49,971 INFO L857 garLoopResultBuilder]: For program point L510-6(lines 510 514) no Hoare annotation was computed. [2021-11-07 01:10:49,972 INFO L853 garLoopResultBuilder]: At program point L345-2(lines 345 359) the Hoare annotation is: false [2021-11-07 01:10:49,973 INFO L857 garLoopResultBuilder]: For program point L346(line 346) no Hoare annotation was computed. [2021-11-07 01:10:49,973 INFO L857 garLoopResultBuilder]: For program point L315(lines 315 319) no Hoare annotation was computed. [2021-11-07 01:10:49,973 INFO L857 garLoopResultBuilder]: For program point L315-2(lines 315 319) no Hoare annotation was computed. [2021-11-07 01:10:49,973 INFO L857 garLoopResultBuilder]: For program point L315-3(lines 315 319) no Hoare annotation was computed. [2021-11-07 01:10:49,973 INFO L857 garLoopResultBuilder]: For program point L315-5(lines 315 319) no Hoare annotation was computed. [2021-11-07 01:10:49,974 INFO L857 garLoopResultBuilder]: For program point L315-6(lines 315 319) no Hoare annotation was computed. [2021-11-07 01:10:49,974 INFO L857 garLoopResultBuilder]: For program point L315-8(lines 315 319) no Hoare annotation was computed. [2021-11-07 01:10:49,975 INFO L857 garLoopResultBuilder]: For program point L315-9(lines 315 319) no Hoare annotation was computed. [2021-11-07 01:10:49,975 INFO L857 garLoopResultBuilder]: For program point L315-11(lines 315 319) no Hoare annotation was computed. [2021-11-07 01:10:49,975 INFO L857 garLoopResultBuilder]: For program point L315-12(lines 315 319) no Hoare annotation was computed. [2021-11-07 01:10:49,975 INFO L857 garLoopResultBuilder]: For program point L315-14(lines 315 319) no Hoare annotation was computed. [2021-11-07 01:10:49,975 INFO L857 garLoopResultBuilder]: For program point L315-15(lines 315 319) no Hoare annotation was computed. [2021-11-07 01:10:49,975 INFO L857 garLoopResultBuilder]: For program point L315-17(lines 315 319) no Hoare annotation was computed. [2021-11-07 01:10:49,977 INFO L853 garLoopResultBuilder]: At program point L547(lines 542 550) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1))) [2021-11-07 01:10:49,977 INFO L853 garLoopResultBuilder]: At program point L547-1(lines 542 550) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:10:49,978 INFO L853 garLoopResultBuilder]: At program point L547-2(lines 542 550) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 .cse2) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse2))) [2021-11-07 01:10:49,978 INFO L853 garLoopResultBuilder]: At program point L547-3(lines 542 550) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)))) [2021-11-07 01:10:49,978 INFO L853 garLoopResultBuilder]: At program point L547-4(lines 542 550) the Hoare annotation is: false [2021-11-07 01:10:49,978 INFO L853 garLoopResultBuilder]: At program point L547-5(lines 542 550) the Hoare annotation is: false [2021-11-07 01:10:49,978 INFO L853 garLoopResultBuilder]: At program point L547-6(lines 542 550) the Hoare annotation is: false [2021-11-07 01:10:49,981 INFO L857 garLoopResultBuilder]: For program point L349(lines 349 353) no Hoare annotation was computed. [2021-11-07 01:10:49,981 INFO L853 garLoopResultBuilder]: At program point L547-7(lines 542 550) the Hoare annotation is: false [2021-11-07 01:10:49,982 INFO L857 garLoopResultBuilder]: For program point L349-1(lines 138 144) no Hoare annotation was computed. [2021-11-07 01:10:49,982 INFO L853 garLoopResultBuilder]: At program point L547-8(lines 542 550) the Hoare annotation is: false [2021-11-07 01:10:49,982 INFO L853 garLoopResultBuilder]: At program point L547-9(lines 542 550) the Hoare annotation is: false [2021-11-07 01:10:49,982 INFO L853 garLoopResultBuilder]: At program point L547-10(lines 542 550) the Hoare annotation is: false [2021-11-07 01:10:49,983 INFO L853 garLoopResultBuilder]: At program point L547-11(lines 542 550) the Hoare annotation is: false [2021-11-07 01:10:49,983 INFO L857 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2021-11-07 01:10:49,983 INFO L853 garLoopResultBuilder]: At program point L85-1(lines 85 91) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32))))) [2021-11-07 01:10:49,983 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 01:10:49,983 INFO L857 garLoopResultBuilder]: For program point L485(lines 485 498) no Hoare annotation was computed. [2021-11-07 01:10:49,984 INFO L853 garLoopResultBuilder]: At program point L485-1(lines 1 962) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse3) (and .cse0 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~6 (_ bv0 32)) .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2))) [2021-11-07 01:10:49,984 INFO L857 garLoopResultBuilder]: For program point L419(lines 419 426) no Hoare annotation was computed. [2021-11-07 01:10:49,984 INFO L857 garLoopResultBuilder]: For program point L485-2(lines 485 498) no Hoare annotation was computed. [2021-11-07 01:10:49,984 INFO L853 garLoopResultBuilder]: At program point L485-3(lines 1 962) the Hoare annotation is: false [2021-11-07 01:10:49,984 INFO L860 garLoopResultBuilder]: At program point L419-1(lines 419 426) the Hoare annotation is: true [2021-11-07 01:10:49,985 INFO L857 garLoopResultBuilder]: For program point L485-4(lines 485 498) no Hoare annotation was computed. [2021-11-07 01:10:49,985 INFO L853 garLoopResultBuilder]: At program point L485-5(lines 1 962) the Hoare annotation is: false [2021-11-07 01:10:49,986 INFO L853 garLoopResultBuilder]: At program point L321(lines 306 324) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:10:49,986 INFO L853 garLoopResultBuilder]: At program point L321-1(lines 306 324) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse2))) [2021-11-07 01:10:49,986 INFO L853 garLoopResultBuilder]: At program point L321-2(lines 306 324) the Hoare annotation is: false [2021-11-07 01:10:49,987 INFO L853 garLoopResultBuilder]: At program point L321-3(lines 306 324) the Hoare annotation is: false [2021-11-07 01:10:49,987 INFO L853 garLoopResultBuilder]: At program point L321-4(lines 306 324) the Hoare annotation is: false [2021-11-07 01:10:49,987 INFO L853 garLoopResultBuilder]: At program point L321-5(lines 306 324) the Hoare annotation is: false [2021-11-07 01:10:49,987 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 01:10:49,987 INFO L857 garLoopResultBuilder]: For program point L587(lines 587 593) no Hoare annotation was computed. [2021-11-07 01:10:49,987 INFO L857 garLoopResultBuilder]: For program point L587-1(lines 587 593) no Hoare annotation was computed. [2021-11-07 01:10:49,988 INFO L857 garLoopResultBuilder]: For program point L587-2(lines 587 593) no Hoare annotation was computed. [2021-11-07 01:10:49,988 INFO L857 garLoopResultBuilder]: For program point L587-3(lines 587 593) no Hoare annotation was computed. [2021-11-07 01:10:49,988 INFO L853 garLoopResultBuilder]: At program point L455(lines 1 962) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:10:49,988 INFO L857 garLoopResultBuilder]: For program point L587-4(lines 587 593) no Hoare annotation was computed. [2021-11-07 01:10:49,988 INFO L857 garLoopResultBuilder]: For program point L587-5(lines 587 593) no Hoare annotation was computed. [2021-11-07 01:10:49,989 INFO L853 garLoopResultBuilder]: At program point L257(lines 250 260) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1))) [2021-11-07 01:10:49,989 INFO L853 garLoopResultBuilder]: At program point L257-1(lines 250 260) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:10:49,989 INFO L853 garLoopResultBuilder]: At program point L257-2(lines 250 260) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 .cse2) (and .cse0 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse2))) [2021-11-07 01:10:49,989 INFO L853 garLoopResultBuilder]: At program point L257-3(lines 250 260) the Hoare annotation is: false [2021-11-07 01:10:49,989 INFO L853 garLoopResultBuilder]: At program point L257-4(lines 250 260) the Hoare annotation is: false [2021-11-07 01:10:49,990 INFO L853 garLoopResultBuilder]: At program point L257-5(lines 250 260) the Hoare annotation is: false [2021-11-07 01:10:49,991 INFO L853 garLoopResultBuilder]: At program point L257-6(lines 250 260) the Hoare annotation is: false [2021-11-07 01:10:49,991 INFO L853 garLoopResultBuilder]: At program point L257-7(lines 250 260) the Hoare annotation is: false [2021-11-07 01:10:49,991 INFO L853 garLoopResultBuilder]: At program point L257-8(lines 250 260) the Hoare annotation is: false [2021-11-07 01:10:49,991 INFO L857 garLoopResultBuilder]: For program point L522(lines 522 526) no Hoare annotation was computed. [2021-11-07 01:10:49,991 INFO L857 garLoopResultBuilder]: For program point L489(lines 489 495) no Hoare annotation was computed. [2021-11-07 01:10:49,991 INFO L857 garLoopResultBuilder]: For program point L489-2(lines 489 495) no Hoare annotation was computed. [2021-11-07 01:10:49,992 INFO L857 garLoopResultBuilder]: For program point L489-4(lines 489 495) no Hoare annotation was computed. [2021-11-07 01:10:49,992 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 01:10:49,992 INFO L857 garLoopResultBuilder]: For program point L95(lines 95 108) no Hoare annotation was computed. [2021-11-07 01:10:49,992 INFO L853 garLoopResultBuilder]: At program point L393(lines 389 395) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:10:49,992 INFO L853 garLoopResultBuilder]: At program point L592(lines 583 596) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:10:49,993 INFO L853 garLoopResultBuilder]: At program point L592-1(lines 583 596) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse2))) [2021-11-07 01:10:49,993 INFO L853 garLoopResultBuilder]: At program point L592-2(lines 583 596) the Hoare annotation is: false [2021-11-07 01:10:49,993 INFO L853 garLoopResultBuilder]: At program point L592-3(lines 583 596) the Hoare annotation is: false [2021-11-07 01:10:49,993 INFO L853 garLoopResultBuilder]: At program point L592-4(lines 583 596) the Hoare annotation is: false [2021-11-07 01:10:49,993 INFO L853 garLoopResultBuilder]: At program point L592-5(lines 583 596) the Hoare annotation is: false [2021-11-07 01:10:49,994 INFO L857 garLoopResultBuilder]: For program point L196(lines 196 213) no Hoare annotation was computed. [2021-11-07 01:10:49,994 INFO L857 garLoopResultBuilder]: For program point L196-1(lines 196 213) no Hoare annotation was computed. [2021-11-07 01:10:49,994 INFO L857 garLoopResultBuilder]: For program point L196-2(lines 196 213) no Hoare annotation was computed. [2021-11-07 01:10:49,994 INFO L860 garLoopResultBuilder]: At program point L428(lines 409 431) the Hoare annotation is: true [2021-11-07 01:10:49,994 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 01:10:49,995 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 472) no Hoare annotation was computed. [2021-11-07 01:10:49,995 INFO L857 garLoopResultBuilder]: For program point L66(lines 65 112) no Hoare annotation was computed. [2021-11-07 01:10:49,995 INFO L853 garLoopResultBuilder]: At program point L463(lines 458 466) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:10:49,995 INFO L857 garLoopResultBuilder]: For program point L232(lines 232 238) no Hoare annotation was computed. [2021-11-07 01:10:49,995 INFO L857 garLoopResultBuilder]: For program point L232-2(lines 232 238) no Hoare annotation was computed. [2021-11-07 01:10:49,995 INFO L857 garLoopResultBuilder]: For program point L232-4(lines 232 238) no Hoare annotation was computed. [2021-11-07 01:10:49,996 INFO L857 garLoopResultBuilder]: For program point L67(lines 67 71) no Hoare annotation was computed. [2021-11-07 01:10:49,996 INFO L857 garLoopResultBuilder]: For program point L232-6(lines 232 238) no Hoare annotation was computed. [2021-11-07 01:10:49,996 INFO L857 garLoopResultBuilder]: For program point L232-8(lines 232 238) no Hoare annotation was computed. [2021-11-07 01:10:49,996 INFO L857 garLoopResultBuilder]: For program point L232-10(lines 232 238) no Hoare annotation was computed. [2021-11-07 01:10:49,996 INFO L853 garLoopResultBuilder]: At program point L266(lines 261 269) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ~systemActive~0 (_ bv1 32)) (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:10:49,997 INFO L853 garLoopResultBuilder]: At program point L266-1(lines 261 269) the Hoare annotation is: false [2021-11-07 01:10:49,997 INFO L857 garLoopResultBuilder]: For program point L200(lines 200 208) no Hoare annotation was computed. [2021-11-07 01:10:49,997 INFO L853 garLoopResultBuilder]: At program point L266-2(lines 261 269) the Hoare annotation is: false [2021-11-07 01:10:49,997 INFO L857 garLoopResultBuilder]: For program point L200-1(lines 200 208) no Hoare annotation was computed. [2021-11-07 01:10:49,997 INFO L857 garLoopResultBuilder]: For program point L200-2(lines 200 208) no Hoare annotation was computed. [2021-11-07 01:10:50,001 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:50,003 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:10:50,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:10:50 BoogieIcfgContainer [2021-11-07 01:10:50,054 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:10:50,054 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:10:50,055 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:10:50,055 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:10:50,055 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:10:29" (3/4) ... [2021-11-07 01:10:50,058 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 01:10:50,085 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-11-07 01:10:50,086 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-07 01:10:50,088 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-07 01:10:50,089 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-07 01:10:50,090 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-07 01:10:50,091 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:10:50,093 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:10:50,131 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) [2021-11-07 01:10:50,137 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) [2021-11-07 01:10:50,139 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) [2021-11-07 01:10:50,142 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 01:10:50,143 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) [2021-11-07 01:10:50,144 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) [2021-11-07 01:10:50,144 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning [2021-11-07 01:10:50,154 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-11-07 01:10:50,156 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 01:10:50,156 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-11-07 01:10:50,157 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 01:10:50,157 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-11-07 01:10:50,157 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-11-07 01:10:50,240 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 01:10:50,240 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:10:50,242 INFO L168 Benchmark]: Toolchain (without parser) took 23671.64 ms. Allocated memory was 56.6 MB in the beginning and 132.1 MB in the end (delta: 75.5 MB). Free memory was 33.6 MB in the beginning and 37.4 MB in the end (delta: -3.8 MB). Peak memory consumption was 70.9 MB. Max. memory is 16.1 GB. [2021-11-07 01:10:50,243 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 56.6 MB. Free memory is still 37.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:10:50,244 INFO L168 Benchmark]: CACSL2BoogieTranslator took 642.04 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 33.4 MB in the beginning and 38.9 MB in the end (delta: -5.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:10:50,244 INFO L168 Benchmark]: Boogie Procedure Inliner took 116.02 ms. Allocated memory is still 69.2 MB. Free memory was 38.7 MB in the beginning and 34.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:10:50,245 INFO L168 Benchmark]: Boogie Preprocessor took 74.30 ms. Allocated memory is still 69.2 MB. Free memory was 34.6 MB in the beginning and 49.5 MB in the end (delta: -14.9 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:10:50,245 INFO L168 Benchmark]: RCFGBuilder took 2541.33 ms. Allocated memory is still 69.2 MB. Free memory was 49.5 MB in the beginning and 31.5 MB in the end (delta: 18.0 MB). Peak memory consumption was 23.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:10:50,246 INFO L168 Benchmark]: TraceAbstraction took 20105.03 ms. Allocated memory was 69.2 MB in the beginning and 132.1 MB in the end (delta: 62.9 MB). Free memory was 31.1 MB in the beginning and 49.0 MB in the end (delta: -17.9 MB). Peak memory consumption was 64.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:10:50,246 INFO L168 Benchmark]: Witness Printer took 185.85 ms. Allocated memory is still 132.1 MB. Free memory was 49.0 MB in the beginning and 37.4 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:10:50,249 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 56.6 MB. Free memory is still 37.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 642.04 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 33.4 MB in the beginning and 38.9 MB in the end (delta: -5.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 116.02 ms. Allocated memory is still 69.2 MB. Free memory was 38.7 MB in the beginning and 34.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 74.30 ms. Allocated memory is still 69.2 MB. Free memory was 34.6 MB in the beginning and 49.5 MB in the end (delta: -14.9 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2541.33 ms. Allocated memory is still 69.2 MB. Free memory was 49.5 MB in the beginning and 31.5 MB in the end (delta: 18.0 MB). Peak memory consumption was 23.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 20105.03 ms. Allocated memory was 69.2 MB in the beginning and 132.1 MB in the end (delta: 62.9 MB). Free memory was 31.1 MB in the beginning and 49.0 MB in the end (delta: -17.9 MB). Peak memory consumption was 64.5 MB. Max. memory is 16.1 GB. * Witness Printer took 185.85 ms. Allocated memory is still 132.1 MB. Free memory was 49.0 MB in the beginning and 37.4 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: 472]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 472]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 472]: 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, 129 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 19.9s, OverallIterations: 11, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1297 SDtfs, 1922 SDslu, 3243 SDs, 0 SdLazy, 458 SolverSat, 83 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 686 GetRequests, 621 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=248occurred in iteration=9, InterpolantAutomatonStates: 73, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 1189 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 55 PreInvPairs, 270 NumberOfFragments, 561 HoareAnnotationTreeSize, 55 FomulaSimplifications, 1940645 FormulaSimplificationTreeSizeReduction, 2.6s HoareSimplificationTime, 55 FomulaSimplificationsInter, 284849 FormulaSimplificationTreeSizeReductionInter, 5.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 331 NumberOfCodeBlocks, 331 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 640 ConstructedInterpolants, 0 QuantifiedInterpolants, 1048 SizeOfPredicates, 23 NumberOfNonLiveVariables, 2316 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: 583]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) || ((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 409]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 345]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) || ((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) || ((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-07 01:10:50,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c9cb4c-f222-46df-b742-560b8e13d166/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