./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product23.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_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/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_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product23.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/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_0a3b1648-82b6-4219-87ea-1db3926578c9/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 0dcc4ef6dcb698eb4a1aa5e679ef93d9117968bf5497c48d873f573e0e790860 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:21:32,004 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:21:32,007 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:21:32,044 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:21:32,044 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:21:32,046 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:21:32,048 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:21:32,050 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:21:32,053 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:21:32,054 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:21:32,055 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:21:32,057 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:21:32,058 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:21:32,059 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:21:32,061 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:21:32,063 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:21:32,064 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:21:32,066 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:21:32,069 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:21:32,072 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:21:32,074 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:21:32,078 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:21:32,079 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:21:32,081 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:21:32,086 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:21:32,086 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:21:32,086 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:21:32,088 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:21:32,088 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:21:32,090 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:21:32,090 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:21:32,091 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:21:32,101 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:21:32,103 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:21:32,105 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:21:32,105 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:21:32,106 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:21:32,106 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:21:32,106 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:21:32,108 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:21:32,109 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:21:32,109 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 02:21:32,168 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:21:32,168 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:21:32,171 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:21:32,171 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:21:32,171 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:21:32,171 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:21:32,172 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 02:21:32,172 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:21:32,172 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:21:32,172 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 02:21:32,173 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 02:21:32,174 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:21:32,174 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 02:21:32,174 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 02:21:32,174 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 02:21:32,175 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:21:32,175 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 02:21:32,176 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 02:21:32,176 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 02:21:32,176 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:21:32,176 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 02:21:32,176 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:21:32,177 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 02:21:32,177 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:21:32,177 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 02:21:32,177 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 02:21:32,177 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:21:32,178 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 02:21:32,178 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:21:32,179 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:21:32,180 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:21:32,180 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:21:32,180 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:21:32,181 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 02:21:32,181 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 02:21:32,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 02:21:32,181 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 02:21:32,181 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:21:32,182 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:21:32,182 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_0a3b1648-82b6-4219-87ea-1db3926578c9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0dcc4ef6dcb698eb4a1aa5e679ef93d9117968bf5497c48d873f573e0e790860 [2021-11-07 02:21:32,476 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:21:32,513 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:21:32,515 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:21:32,517 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:21:32,518 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:21:32,519 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec4_product23.cil.c [2021-11-07 02:21:32,582 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8/data/88a4642de/7611a3ab04a54b2496fd8ce1fac06372/FLAGab72db25b [2021-11-07 02:21:33,139 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:21:33,140 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/sv-benchmarks/c/product-lines/minepump_spec4_product23.cil.c [2021-11-07 02:21:33,161 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8/data/88a4642de/7611a3ab04a54b2496fd8ce1fac06372/FLAGab72db25b [2021-11-07 02:21:33,406 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8/data/88a4642de/7611a3ab04a54b2496fd8ce1fac06372 [2021-11-07 02:21:33,409 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:21:33,410 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:21:33,412 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:21:33,412 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:21:33,416 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:21:33,417 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:21:33" (1/1) ... [2021-11-07 02:21:33,418 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@565521f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:21:33, skipping insertion in model container [2021-11-07 02:21:33,418 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:21:33" (1/1) ... [2021-11-07 02:21:33,439 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:21:33,490 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:21:33,718 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_0a3b1648-82b6-4219-87ea-1db3926578c9/sv-benchmarks/c/product-lines/minepump_spec4_product23.cil.c[1605,1618] [2021-11-07 02:21:33,881 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:21:33,899 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 02:21:33,900 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1c306551 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:21:33, skipping insertion in model container [2021-11-07 02:21:33,900 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:21:33,901 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 02:21:33,903 INFO L168 Benchmark]: Toolchain (without parser) took 491.35 ms. Allocated memory is still 111.1 MB. Free memory was 68.7 MB in the beginning and 82.6 MB in the end (delta: -13.9 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. [2021-11-07 02:21:33,904 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 111.1 MB. Free memory was 85.7 MB in the beginning and 85.6 MB in the end (delta: 62.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 02:21:33,905 INFO L168 Benchmark]: CACSL2BoogieTranslator took 488.40 ms. Allocated memory is still 111.1 MB. Free memory was 68.5 MB in the beginning and 82.6 MB in the end (delta: -14.1 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. [2021-11-07 02:21:33,907 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 111.1 MB. Free memory was 85.7 MB in the beginning and 85.6 MB in the end (delta: 62.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 488.40 ms. Allocated memory is still 111.1 MB. Free memory was 68.5 MB in the beginning and 82.6 MB in the end (delta: -14.1 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 87]: 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_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/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_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product23.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/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_0a3b1648-82b6-4219-87ea-1db3926578c9/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 0dcc4ef6dcb698eb4a1aa5e679ef93d9117968bf5497c48d873f573e0e790860 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:21:36,289 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:21:36,291 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:21:36,356 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:21:36,357 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:21:36,363 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:21:36,366 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:21:36,371 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:21:36,375 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:21:36,384 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:21:36,386 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:21:36,388 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:21:36,389 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:21:36,392 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:21:36,395 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:21:36,400 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:21:36,402 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:21:36,404 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:21:36,406 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:21:36,416 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:21:36,418 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:21:36,420 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:21:36,423 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:21:36,425 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:21:36,436 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:21:36,437 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:21:36,437 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:21:36,440 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:21:36,440 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:21:36,442 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:21:36,442 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:21:36,443 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:21:36,446 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:21:36,447 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:21:36,449 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:21:36,449 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:21:36,450 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:21:36,451 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:21:36,451 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:21:36,453 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:21:36,454 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:21:36,455 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 02:21:36,504 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:21:36,505 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:21:36,506 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:21:36,507 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:21:36,507 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:21:36,507 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:21:36,508 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:21:36,508 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:21:36,508 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:21:36,510 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:21:36,511 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 02:21:36,511 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 02:21:36,512 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:21:36,512 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 02:21:36,512 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:21:36,512 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 02:21:36,513 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:21:36,513 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 02:21:36,513 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 02:21:36,513 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 02:21:36,514 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 02:21:36,514 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:21:36,514 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 02:21:36,515 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:21:36,515 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 02:21:36,515 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:21:36,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:21:36,516 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:21:36,516 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:21:36,516 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 02:21:36,517 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 02:21:36,517 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 02:21:36,517 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 02:21:36,517 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:21:36,518 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:21:36,518 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_0a3b1648-82b6-4219-87ea-1db3926578c9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0dcc4ef6dcb698eb4a1aa5e679ef93d9117968bf5497c48d873f573e0e790860 [2021-11-07 02:21:36,974 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:21:36,998 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:21:37,001 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:21:37,003 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:21:37,004 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:21:37,005 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec4_product23.cil.c [2021-11-07 02:21:37,074 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8/data/708426751/a2dceeb697ff491ab47da215f82987d6/FLAG7e6d0ce5e [2021-11-07 02:21:37,744 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:21:37,745 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/sv-benchmarks/c/product-lines/minepump_spec4_product23.cil.c [2021-11-07 02:21:37,774 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8/data/708426751/a2dceeb697ff491ab47da215f82987d6/FLAG7e6d0ce5e [2021-11-07 02:21:37,998 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8/data/708426751/a2dceeb697ff491ab47da215f82987d6 [2021-11-07 02:21:38,002 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:21:38,004 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:21:38,008 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:21:38,008 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:21:38,012 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:21:38,013 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:21:37" (1/1) ... [2021-11-07 02:21:38,015 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@649991c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:21:38, skipping insertion in model container [2021-11-07 02:21:38,015 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:21:37" (1/1) ... [2021-11-07 02:21:38,024 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:21:38,124 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:21:38,329 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_0a3b1648-82b6-4219-87ea-1db3926578c9/sv-benchmarks/c/product-lines/minepump_spec4_product23.cil.c[1605,1618] [2021-11-07 02:21:38,527 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:21:38,541 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 02:21:38,551 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:21:38,556 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_0a3b1648-82b6-4219-87ea-1db3926578c9/sv-benchmarks/c/product-lines/minepump_spec4_product23.cil.c[1605,1618] [2021-11-07 02:21:38,638 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:21:38,651 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 02:21:38,680 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/sv-benchmarks/c/product-lines/minepump_spec4_product23.cil.c[1605,1618] [2021-11-07 02:21:38,781 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:21:38,814 INFO L208 MainTranslator]: Completed translation [2021-11-07 02:21:38,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:21:38 WrapperNode [2021-11-07 02:21:38,814 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:21:38,816 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 02:21:38,816 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 02:21:38,816 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 02:21:38,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:21:38" (1/1) ... [2021-11-07 02:21:38,861 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:21:38" (1/1) ... [2021-11-07 02:21:38,907 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 02:21:38,908 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 02:21:38,909 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 02:21:38,910 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 02:21:38,920 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:21:38" (1/1) ... [2021-11-07 02:21:38,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:21:38" (1/1) ... [2021-11-07 02:21:38,942 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:21:38" (1/1) ... [2021-11-07 02:21:38,946 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:21:38" (1/1) ... [2021-11-07 02:21:38,977 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:21:38" (1/1) ... [2021-11-07 02:21:38,986 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:21:38" (1/1) ... [2021-11-07 02:21:38,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:21:38" (1/1) ... [2021-11-07 02:21:39,001 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 02:21:39,008 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 02:21:39,009 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 02:21:39,009 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 02:21:39,010 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:21:38" (1/1) ... [2021-11-07 02:21:39,018 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:21:39,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:21:39,054 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 02:21:39,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 02:21:39,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 02:21:39,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 02:21:39,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 02:21:39,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 02:21:41,587 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 02:21:41,587 INFO L299 CfgBuilder]: Removed 160 assume(true) statements. [2021-11-07 02:21:41,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:21:41 BoogieIcfgContainer [2021-11-07 02:21:41,589 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 02:21:41,595 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 02:21:41,596 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 02:21:41,599 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 02:21:41,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:21:37" (1/3) ... [2021-11-07 02:21:41,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7666e143 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:21:41, skipping insertion in model container [2021-11-07 02:21:41,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:21:38" (2/3) ... [2021-11-07 02:21:41,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7666e143 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:21:41, skipping insertion in model container [2021-11-07 02:21:41,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:21:41" (3/3) ... [2021-11-07 02:21:41,603 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product23.cil.c [2021-11-07 02:21:41,609 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 02:21:41,609 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-07 02:21:41,668 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 02:21:41,676 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 02:21:41,676 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-07 02:21:41,697 INFO L276 IsEmpty]: Start isEmpty. Operand has 107 states, 103 states have (on average 1.5436893203883495) internal successors, (159), 106 states have internal predecessors, (159), 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 02:21:41,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-07 02:21:41,704 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:21:41,705 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:21:41,706 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 02:21:41,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:21:41,713 INFO L85 PathProgramCache]: Analyzing trace with hash 872829117, now seen corresponding path program 1 times [2021-11-07 02:21:41,728 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:21:41,729 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1645328641] [2021-11-07 02:21:41,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:21:41,730 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:21:41,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:21:41,734 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:21:41,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 02:21:41,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:21:41,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 02:21:41,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:21:42,062 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 02:21:42,062 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:21:42,141 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 02:21:42,142 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:21:42,143 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1645328641] [2021-11-07 02:21:42,143 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1645328641] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:21:42,144 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:21:42,144 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 02:21:42,146 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837440512] [2021-11-07 02:21:42,152 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 02:21:42,153 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:21:42,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 02:21:42,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 02:21:42,178 INFO L87 Difference]: Start difference. First operand has 107 states, 103 states have (on average 1.5436893203883495) internal successors, (159), 106 states have internal predecessors, (159), 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 02:21:42,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:21:42,238 INFO L93 Difference]: Finished difference Result 208 states and 311 transitions. [2021-11-07 02:21:42,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 02:21:42,240 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 02:21:42,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:21:42,250 INFO L225 Difference]: With dead ends: 208 [2021-11-07 02:21:42,251 INFO L226 Difference]: Without dead ends: 103 [2021-11-07 02:21:42,254 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 02:21:42,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2021-11-07 02:21:42,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2021-11-07 02:21:42,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 100 states have (on average 1.47) internal successors, (147), 102 states have internal predecessors, (147), 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 02:21:42,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 147 transitions. [2021-11-07 02:21:42,303 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 147 transitions. Word has length 16 [2021-11-07 02:21:42,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:21:42,303 INFO L470 AbstractCegarLoop]: Abstraction has 103 states and 147 transitions. [2021-11-07 02:21:42,303 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 02:21:42,304 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 147 transitions. [2021-11-07 02:21:42,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-07 02:21:42,305 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:21:42,305 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 02:21:42,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 02:21:42,506 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:21:42,506 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 02:21:42,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:21:42,507 INFO L85 PathProgramCache]: Analyzing trace with hash -340316278, now seen corresponding path program 1 times [2021-11-07 02:21:42,508 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:21:42,508 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1164864114] [2021-11-07 02:21:42,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:21:42,508 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:21:42,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:21:42,510 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:21:42,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 02:21:42,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:21:42,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 02:21:42,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:21:42,860 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 02:21:42,860 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:21:42,937 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 02:21:42,937 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:21:42,937 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1164864114] [2021-11-07 02:21:42,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1164864114] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:21:42,938 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:21:42,938 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 02:21:42,939 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490618318] [2021-11-07 02:21:42,941 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 02:21:42,941 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:21:42,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 02:21:42,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:21:42,949 INFO L87 Difference]: Start difference. First operand 103 states and 147 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 02:21:42,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:21:42,984 INFO L93 Difference]: Finished difference Result 103 states and 147 transitions. [2021-11-07 02:21:42,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 02:21:42,985 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 02:21:42,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:21:42,987 INFO L225 Difference]: With dead ends: 103 [2021-11-07 02:21:42,988 INFO L226 Difference]: Without dead ends: 45 [2021-11-07 02:21:42,989 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 02:21:42,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-11-07 02:21:43,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2021-11-07 02:21:43,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 44 states have (on average 1.4545454545454546) internal successors, (64), 44 states have internal predecessors, (64), 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 02:21:43,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2021-11-07 02:21:43,012 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 17 [2021-11-07 02:21:43,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:21:43,013 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2021-11-07 02:21:43,013 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 02:21:43,014 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2021-11-07 02:21:43,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-07 02:21:43,015 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:21:43,016 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 02:21:43,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 02:21:43,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:21:43,230 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 02:21:43,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:21:43,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1163144762, now seen corresponding path program 1 times [2021-11-07 02:21:43,232 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:21:43,232 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1386445314] [2021-11-07 02:21:43,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:21:43,233 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:21:43,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:21:43,234 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:21:43,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 02:21:43,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:21:43,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 02:21:43,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:21:43,559 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 02:21:43,560 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:21:43,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:21:43,677 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:21:43,677 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1386445314] [2021-11-07 02:21:43,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1386445314] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:21:43,678 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:21:43,678 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-07 02:21:43,678 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424663818] [2021-11-07 02:21:43,679 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 02:21:43,679 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:21:43,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 02:21:43,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:21:43,684 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 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 02:21:43,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:21:43,733 INFO L93 Difference]: Finished difference Result 146 states and 214 transitions. [2021-11-07 02:21:43,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 02:21:43,734 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 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 02:21:43,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:21:43,737 INFO L225 Difference]: With dead ends: 146 [2021-11-07 02:21:43,737 INFO L226 Difference]: Without dead ends: 107 [2021-11-07 02:21:43,738 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 02:21:43,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-11-07 02:21:43,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 64. [2021-11-07 02:21:43,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 63 states have (on average 1.4761904761904763) internal successors, (93), 63 states have internal predecessors, (93), 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 02:21:43,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 93 transitions. [2021-11-07 02:21:43,761 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 93 transitions. Word has length 22 [2021-11-07 02:21:43,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:21:43,761 INFO L470 AbstractCegarLoop]: Abstraction has 64 states and 93 transitions. [2021-11-07 02:21:43,762 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 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 02:21:43,763 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 93 transitions. [2021-11-07 02:21:43,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-07 02:21:43,765 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:21:43,765 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 02:21:43,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 02:21:43,980 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:21:43,980 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 02:21:43,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:21:43,981 INFO L85 PathProgramCache]: Analyzing trace with hash -1300420088, now seen corresponding path program 1 times [2021-11-07 02:21:43,982 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:21:43,982 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2126784959] [2021-11-07 02:21:43,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:21:43,983 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:21:43,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:21:43,993 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:21:44,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 02:21:44,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:21:44,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 02:21:44,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:21:44,450 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 02:21:44,451 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:21:44,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:21:44,569 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:21:44,569 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2126784959] [2021-11-07 02:21:44,569 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2126784959] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:21:44,569 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:21:44,569 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-11-07 02:21:44,570 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364778155] [2021-11-07 02:21:44,570 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 02:21:44,570 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:21:44,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 02:21:44,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 02:21:44,571 INFO L87 Difference]: Start difference. First operand 64 states and 93 transitions. Second operand has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 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 02:21:44,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:21:44,911 INFO L93 Difference]: Finished difference Result 483 states and 740 transitions. [2021-11-07 02:21:44,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 02:21:44,912 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 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 02:21:44,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:21:44,916 INFO L225 Difference]: With dead ends: 483 [2021-11-07 02:21:44,916 INFO L226 Difference]: Without dead ends: 425 [2021-11-07 02:21:44,918 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2021-11-07 02:21:44,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2021-11-07 02:21:44,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 166. [2021-11-07 02:21:44,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 165 states have (on average 1.4606060606060607) internal successors, (241), 165 states have internal predecessors, (241), 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 02:21:44,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 241 transitions. [2021-11-07 02:21:44,951 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 241 transitions. Word has length 24 [2021-11-07 02:21:44,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:21:44,952 INFO L470 AbstractCegarLoop]: Abstraction has 166 states and 241 transitions. [2021-11-07 02:21:44,952 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 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 02:21:44,952 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 241 transitions. [2021-11-07 02:21:44,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-07 02:21:44,954 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:21:44,954 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] [2021-11-07 02:21:44,979 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 02:21:45,169 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:21:45,169 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 02:21:45,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:21:45,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1375176786, now seen corresponding path program 1 times [2021-11-07 02:21:45,171 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:21:45,171 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1437076208] [2021-11-07 02:21:45,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:21:45,172 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:21:45,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:21:45,173 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:21:45,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 02:21:45,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:21:45,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 02:21:45,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:21:45,501 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 02:21:45,501 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:21:45,564 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 02:21:45,564 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:21:45,564 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1437076208] [2021-11-07 02:21:45,565 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1437076208] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:21:45,565 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:21:45,565 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 02:21:45,565 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931162191] [2021-11-07 02:21:45,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 02:21:45,566 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:21:45,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 02:21:45,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:21:45,567 INFO L87 Difference]: Start difference. First operand 166 states and 241 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:21:47,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:21:47,176 INFO L93 Difference]: Finished difference Result 414 states and 606 transitions. [2021-11-07 02:21:47,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 02:21:47,177 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-11-07 02:21:47,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:21:47,179 INFO L225 Difference]: With dead ends: 414 [2021-11-07 02:21:47,180 INFO L226 Difference]: Without dead ends: 254 [2021-11-07 02:21:47,181 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 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 02:21:47,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2021-11-07 02:21:47,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 252. [2021-11-07 02:21:47,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 251 states have (on average 1.4223107569721116) internal successors, (357), 251 states have internal predecessors, (357), 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 02:21:47,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 357 transitions. [2021-11-07 02:21:47,217 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 357 transitions. Word has length 25 [2021-11-07 02:21:47,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:21:47,217 INFO L470 AbstractCegarLoop]: Abstraction has 252 states and 357 transitions. [2021-11-07 02:21:47,218 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:21:47,218 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 357 transitions. [2021-11-07 02:21:47,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-07 02:21:47,220 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:21:47,220 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:21:47,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 02:21:47,434 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:21:47,436 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 02:21:47,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:21:47,437 INFO L85 PathProgramCache]: Analyzing trace with hash 1818191244, now seen corresponding path program 1 times [2021-11-07 02:21:47,437 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:21:47,438 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2094794964] [2021-11-07 02:21:47,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:21:47,438 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:21:47,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:21:47,441 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:21:47,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 02:21:47,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:21:47,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 02:21:47,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:21:47,782 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 02:21:47,783 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:21:47,893 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 02:21:47,894 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:21:47,894 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2094794964] [2021-11-07 02:21:47,894 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2094794964] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:21:47,894 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:21:47,895 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 02:21:47,895 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459127761] [2021-11-07 02:21:47,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 02:21:47,896 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:21:47,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 02:21:47,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:21:47,897 INFO L87 Difference]: Start difference. First operand 252 states and 357 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:21:47,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:21:47,924 INFO L93 Difference]: Finished difference Result 364 states and 522 transitions. [2021-11-07 02:21:47,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 02:21:47,925 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-11-07 02:21:47,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:21:47,927 INFO L225 Difference]: With dead ends: 364 [2021-11-07 02:21:47,927 INFO L226 Difference]: Without dead ends: 118 [2021-11-07 02:21:47,942 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:21:47,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2021-11-07 02:21:47,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2021-11-07 02:21:47,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 117 states have (on average 1.3333333333333333) internal successors, (156), 117 states have internal predecessors, (156), 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 02:21:47,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 156 transitions. [2021-11-07 02:21:47,957 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 156 transitions. Word has length 26 [2021-11-07 02:21:47,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:21:47,957 INFO L470 AbstractCegarLoop]: Abstraction has 118 states and 156 transitions. [2021-11-07 02:21:47,958 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:21:47,958 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 156 transitions. [2021-11-07 02:21:47,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-07 02:21:47,960 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:21:47,960 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:21:47,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-07 02:21:48,174 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:21:48,175 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 02:21:48,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:21:48,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1574439088, now seen corresponding path program 1 times [2021-11-07 02:21:48,176 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:21:48,177 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1408932518] [2021-11-07 02:21:48,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:21:48,177 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:21:48,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:21:48,178 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:21:48,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-07 02:21:48,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:21:48,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 02:21:48,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:21:48,619 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:21:48,619 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:21:48,812 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:21:48,812 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:21:48,812 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1408932518] [2021-11-07 02:21:48,812 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1408932518] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:21:48,813 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1399701882] [2021-11-07 02:21:48,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:21:48,813 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 02:21:48,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 02:21:48,816 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 02:21:48,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2021-11-07 02:21:49,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:21:49,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 02:21:49,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:21:49,268 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-07 02:21:49,268 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:21:49,382 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-07 02:21:49,382 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1399701882] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:21:49,383 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 02:21:49,383 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2021-11-07 02:21:49,385 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112154756] [2021-11-07 02:21:49,386 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 02:21:49,386 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:21:49,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 02:21:49,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-07 02:21:49,390 INFO L87 Difference]: Start difference. First operand 118 states and 156 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:21:49,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:21:49,536 INFO L93 Difference]: Finished difference Result 242 states and 328 transitions. [2021-11-07 02:21:49,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 02:21:49,537 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-11-07 02:21:49,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:21:49,538 INFO L225 Difference]: With dead ends: 242 [2021-11-07 02:21:49,538 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 02:21:49,539 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-11-07 02:21:49,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 02:21:49,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 02:21:49,540 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 02:21:49,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 02:21:49,541 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2021-11-07 02:21:49,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:21:49,543 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 02:21:49,543 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:21:49,543 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 02:21:49,546 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 02:21:49,549 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 02:21:49,550 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 02:21:49,550 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 02:21:49,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-07 02:21:49,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2021-11-07 02:21:49,965 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt [2021-11-07 02:21:49,968 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 02:21:49,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:21:50,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:21:50,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:21:50,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:21:50,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:21:50,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:21:50,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:21:50,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:21:50,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:21:50,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:21:50,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:21:50,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:21:50,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:21:50,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:21:50,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:21:50,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:21:50,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:21:50,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:21:50,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:21:50,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:21:50,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:21:50,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:21:50,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:21:50,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:21:50,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:21:50,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:21:50,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:21:50,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:21:50,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:21:50,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:21:50,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:21:50,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:21:50,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:21:50,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:21:50,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:21:50,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:21:50,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:21:50,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:21:50,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:21:50,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:21:50,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:21:50,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:21:50,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:21:50,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:21:50,537 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-11-07 02:21:50,537 INFO L853 garLoopResultBuilder]: At program point L864-2(lines 864 878) the Hoare annotation is: false [2021-11-07 02:21:50,537 INFO L857 garLoopResultBuilder]: For program point L699(lines 699 716) no Hoare annotation was computed. [2021-11-07 02:21:50,537 INFO L857 garLoopResultBuilder]: For program point L699-1(lines 699 716) no Hoare annotation was computed. [2021-11-07 02:21:50,537 INFO L857 garLoopResultBuilder]: For program point L699-2(lines 699 716) no Hoare annotation was computed. [2021-11-07 02:21:50,538 INFO L857 garLoopResultBuilder]: For program point L865(line 865) no Hoare annotation was computed. [2021-11-07 02:21:50,538 INFO L857 garLoopResultBuilder]: For program point L602(lines 602 615) no Hoare annotation was computed. [2021-11-07 02:21:50,538 INFO L857 garLoopResultBuilder]: For program point L801(lines 801 805) no Hoare annotation was computed. [2021-11-07 02:21:50,538 INFO L857 garLoopResultBuilder]: For program point L801-2(lines 801 805) no Hoare annotation was computed. [2021-11-07 02:21:50,538 INFO L857 garLoopResultBuilder]: For program point L801-3(lines 801 805) no Hoare annotation was computed. [2021-11-07 02:21:50,538 INFO L857 garLoopResultBuilder]: For program point L801-5(lines 801 805) no Hoare annotation was computed. [2021-11-07 02:21:50,538 INFO L857 garLoopResultBuilder]: For program point L801-6(lines 801 805) no Hoare annotation was computed. [2021-11-07 02:21:50,538 INFO L857 garLoopResultBuilder]: For program point L801-8(lines 801 805) no Hoare annotation was computed. [2021-11-07 02:21:50,539 INFO L857 garLoopResultBuilder]: For program point L801-9(lines 801 805) no Hoare annotation was computed. [2021-11-07 02:21:50,539 INFO L857 garLoopResultBuilder]: For program point L438(lines 438 442) no Hoare annotation was computed. [2021-11-07 02:21:50,539 INFO L857 garLoopResultBuilder]: For program point L801-11(lines 801 805) no Hoare annotation was computed. [2021-11-07 02:21:50,539 INFO L857 garLoopResultBuilder]: For program point L801-12(lines 801 805) no Hoare annotation was computed. [2021-11-07 02:21:50,539 INFO L857 garLoopResultBuilder]: For program point L438-3(lines 438 442) no Hoare annotation was computed. [2021-11-07 02:21:50,539 INFO L857 garLoopResultBuilder]: For program point L801-14(lines 801 805) no Hoare annotation was computed. [2021-11-07 02:21:50,539 INFO L857 garLoopResultBuilder]: For program point L801-15(lines 801 805) no Hoare annotation was computed. [2021-11-07 02:21:50,539 INFO L857 garLoopResultBuilder]: For program point L438-6(lines 438 442) no Hoare annotation was computed. [2021-11-07 02:21:50,540 INFO L857 garLoopResultBuilder]: For program point L801-17(lines 801 805) no Hoare annotation was computed. [2021-11-07 02:21:50,540 INFO L857 garLoopResultBuilder]: For program point L868(lines 868 872) no Hoare annotation was computed. [2021-11-07 02:21:50,540 INFO L857 garLoopResultBuilder]: For program point L835(lines 835 848) no Hoare annotation was computed. [2021-11-07 02:21:50,540 INFO L857 garLoopResultBuilder]: For program point L868-1(lines 641 647) no Hoare annotation was computed. [2021-11-07 02:21:50,540 INFO L853 garLoopResultBuilder]: At program point L835-1(lines 1 947) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 02:21:50,540 INFO L857 garLoopResultBuilder]: For program point L835-2(lines 835 848) no Hoare annotation was computed. [2021-11-07 02:21:50,541 INFO L853 garLoopResultBuilder]: At program point L835-3(lines 1 947) the Hoare annotation is: false [2021-11-07 02:21:50,541 INFO L857 garLoopResultBuilder]: For program point L703(lines 703 711) no Hoare annotation was computed. [2021-11-07 02:21:50,541 INFO L857 garLoopResultBuilder]: For program point L835-4(lines 835 848) no Hoare annotation was computed. [2021-11-07 02:21:50,541 INFO L857 garLoopResultBuilder]: For program point L703-1(lines 703 711) no Hoare annotation was computed. [2021-11-07 02:21:50,541 INFO L853 garLoopResultBuilder]: At program point L835-5(lines 1 947) the Hoare annotation is: false [2021-11-07 02:21:50,541 INFO L857 garLoopResultBuilder]: For program point L703-2(lines 703 711) no Hoare annotation was computed. [2021-11-07 02:21:50,541 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-11-07 02:21:50,541 INFO L857 garLoopResultBuilder]: For program point L935(lines 935 942) no Hoare annotation was computed. [2021-11-07 02:21:50,542 INFO L860 garLoopResultBuilder]: At program point L935-1(lines 935 942) the Hoare annotation is: true [2021-11-07 02:21:50,542 INFO L857 garLoopResultBuilder]: For program point L573(lines 572 619) no Hoare annotation was computed. [2021-11-07 02:21:50,542 INFO L853 garLoopResultBuilder]: At program point L507(lines 502 510) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 02:21:50,542 INFO L853 garLoopResultBuilder]: At program point L507-1(lines 502 510) the Hoare annotation is: false [2021-11-07 02:21:50,542 INFO L853 garLoopResultBuilder]: At program point L507-2(lines 502 510) the Hoare annotation is: false [2021-11-07 02:21:50,542 INFO L857 garLoopResultBuilder]: For program point L673(lines 673 690) no Hoare annotation was computed. [2021-11-07 02:21:50,542 INFO L857 garLoopResultBuilder]: For program point L673-1(lines 673 690) no Hoare annotation was computed. [2021-11-07 02:21:50,543 INFO L857 garLoopResultBuilder]: For program point L673-2(lines 673 690) no Hoare annotation was computed. [2021-11-07 02:21:50,543 INFO L857 garLoopResultBuilder]: For program point L574(lines 574 578) no Hoare annotation was computed. [2021-11-07 02:21:50,543 INFO L857 garLoopResultBuilder]: For program point L673-3(lines 673 690) no Hoare annotation was computed. [2021-11-07 02:21:50,543 INFO L857 garLoopResultBuilder]: For program point L673-4(lines 673 690) no Hoare annotation was computed. [2021-11-07 02:21:50,543 INFO L857 garLoopResultBuilder]: For program point L673-5(lines 673 690) no Hoare annotation was computed. [2021-11-07 02:21:50,543 INFO L853 garLoopResultBuilder]: At program point L475(lines 470 478) the Hoare annotation is: false [2021-11-07 02:21:50,543 INFO L853 garLoopResultBuilder]: At program point L475-1(lines 470 478) the Hoare annotation is: false [2021-11-07 02:21:50,543 INFO L853 garLoopResultBuilder]: At program point L475-2(lines 470 478) the Hoare annotation is: false [2021-11-07 02:21:50,544 INFO L857 garLoopResultBuilder]: For program point L839(lines 839 845) no Hoare annotation was computed. [2021-11-07 02:21:50,544 INFO L857 garLoopResultBuilder]: For program point L839-2(lines 839 845) no Hoare annotation was computed. [2021-11-07 02:21:50,544 INFO L857 garLoopResultBuilder]: For program point L839-4(lines 839 845) no Hoare annotation was computed. [2021-11-07 02:21:50,544 INFO L853 garLoopResultBuilder]: At program point L641(lines 640 659) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 02:21:50,544 INFO L857 garLoopResultBuilder]: For program point L608(lines 608 614) no Hoare annotation was computed. [2021-11-07 02:21:50,544 INFO L857 garLoopResultBuilder]: For program point L641-1(lines 641 647) no Hoare annotation was computed. [2021-11-07 02:21:50,544 INFO L853 garLoopResultBuilder]: At program point L608-1(lines 641 647) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 02:21:50,545 INFO L853 garLoopResultBuilder]: At program point L641-2(lines 640 659) the Hoare annotation is: false [2021-11-07 02:21:50,545 INFO L853 garLoopResultBuilder]: At program point L641-3(lines 640 659) the Hoare annotation is: false [2021-11-07 02:21:50,545 INFO L853 garLoopResultBuilder]: At program point L807(lines 792 810) the Hoare annotation is: false [2021-11-07 02:21:50,545 INFO L853 garLoopResultBuilder]: At program point L807-1(lines 792 810) the Hoare annotation is: false [2021-11-07 02:21:50,545 INFO L853 garLoopResultBuilder]: At program point L807-2(lines 792 810) the Hoare annotation is: false [2021-11-07 02:21:50,545 INFO L853 garLoopResultBuilder]: At program point L807-3(lines 792 810) the Hoare annotation is: false [2021-11-07 02:21:50,545 INFO L853 garLoopResultBuilder]: At program point L807-4(lines 792 810) the Hoare annotation is: false [2021-11-07 02:21:50,546 INFO L853 garLoopResultBuilder]: At program point L807-5(lines 792 810) the Hoare annotation is: false [2021-11-07 02:21:50,546 INFO L853 garLoopResultBuilder]: At program point L743(lines 736 746) the Hoare annotation is: false [2021-11-07 02:21:50,546 INFO L853 garLoopResultBuilder]: At program point L743-1(lines 736 746) the Hoare annotation is: false [2021-11-07 02:21:50,546 INFO L857 garLoopResultBuilder]: For program point L677(lines 677 685) no Hoare annotation was computed. [2021-11-07 02:21:50,546 INFO L853 garLoopResultBuilder]: At program point L743-2(lines 736 746) the Hoare annotation is: false [2021-11-07 02:21:50,546 INFO L857 garLoopResultBuilder]: For program point L677-1(lines 677 685) no Hoare annotation was computed. [2021-11-07 02:21:50,546 INFO L857 garLoopResultBuilder]: For program point L677-2(lines 677 685) no Hoare annotation was computed. [2021-11-07 02:21:50,546 INFO L857 garLoopResultBuilder]: For program point L677-3(lines 677 685) no Hoare annotation was computed. [2021-11-07 02:21:50,546 INFO L857 garLoopResultBuilder]: For program point L677-4(lines 677 685) no Hoare annotation was computed. [2021-11-07 02:21:50,547 INFO L857 garLoopResultBuilder]: For program point L677-5(lines 677 685) no Hoare annotation was computed. [2021-11-07 02:21:50,547 INFO L853 garLoopResultBuilder]: At program point L546(lines 1 947) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 02:21:50,547 INFO L860 garLoopResultBuilder]: At program point L944(lines 925 947) the Hoare annotation is: true [2021-11-07 02:21:50,547 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 02:21:50,547 INFO L853 garLoopResultBuilder]: At program point L912(lines 908 914) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 02:21:50,547 INFO L853 garLoopResultBuilder]: At program point L648(lines 648 654) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 02:21:50,548 INFO L853 garLoopResultBuilder]: At program point L648-1(lines 648 654) the Hoare annotation is: false [2021-11-07 02:21:50,548 INFO L857 garLoopResultBuilder]: For program point L582(lines 582 588) no Hoare annotation was computed. [2021-11-07 02:21:50,550 INFO L853 garLoopResultBuilder]: At program point L648-2(lines 648 654) the Hoare annotation is: false [2021-11-07 02:21:50,550 INFO L853 garLoopResultBuilder]: At program point L582-1(lines 582 588) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 02:21:50,550 INFO L853 garLoopResultBuilder]: At program point L516(lines 511 519) the Hoare annotation is: false [2021-11-07 02:21:50,551 INFO L853 garLoopResultBuilder]: At program point L516-1(lines 511 519) the Hoare annotation is: false [2021-11-07 02:21:50,551 INFO L857 garLoopResultBuilder]: For program point L450(lines 450 454) no Hoare annotation was computed. [2021-11-07 02:21:50,551 INFO L853 garLoopResultBuilder]: At program point L516-2(lines 511 519) the Hoare annotation is: false [2021-11-07 02:21:50,551 INFO L853 garLoopResultBuilder]: At program point L516-3(lines 511 519) the Hoare annotation is: false [2021-11-07 02:21:50,551 INFO L853 garLoopResultBuilder]: At program point L516-4(lines 511 519) the Hoare annotation is: false [2021-11-07 02:21:50,552 INFO L853 garLoopResultBuilder]: At program point L516-5(lines 511 519) the Hoare annotation is: false [2021-11-07 02:21:50,552 INFO L857 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2021-11-07 02:21:50,552 INFO L857 garLoopResultBuilder]: For program point L54-1(line 54) no Hoare annotation was computed. [2021-11-07 02:21:50,552 INFO L857 garLoopResultBuilder]: For program point L54-2(line 54) no Hoare annotation was computed. [2021-11-07 02:21:50,552 INFO L857 garLoopResultBuilder]: For program point L815(lines 815 821) no Hoare annotation was computed. [2021-11-07 02:21:50,553 INFO L853 garLoopResultBuilder]: At program point L815-1(lines 815 821) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 02:21:50,553 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 02:21:50,553 INFO L853 garLoopResultBuilder]: At program point L752(lines 747 755) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 02:21:50,553 INFO L853 garLoopResultBuilder]: At program point L752-1(lines 747 755) the Hoare annotation is: false [2021-11-07 02:21:50,553 INFO L853 garLoopResultBuilder]: At program point L752-2(lines 747 755) the Hoare annotation is: false [2021-11-07 02:21:50,554 INFO L853 garLoopResultBuilder]: At program point L620(lines 571 621) the Hoare annotation is: false [2021-11-07 02:21:50,554 INFO L853 garLoopResultBuilder]: At program point L554(lines 549 557) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 02:21:50,554 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 02:21:50,554 INFO L857 garLoopResultBuilder]: For program point L592(lines 592 598) no Hoare annotation was computed. [2021-11-07 02:21:50,554 INFO L853 garLoopResultBuilder]: At program point L592-1(lines 592 598) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 02:21:50,555 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 02:21:50,555 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-11-07 02:21:50,555 INFO L857 garLoopResultBuilder]: For program point L462(lines 462 466) no Hoare annotation was computed. [2021-11-07 02:21:50,559 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:21:50,560 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 02:21:50,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 02:21:50 BoogieIcfgContainer [2021-11-07 02:21:50,579 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 02:21:50,580 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 02:21:50,580 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 02:21:50,581 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 02:21:50,581 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:21:41" (3/4) ... [2021-11-07 02:21:50,585 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 02:21:50,605 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-11-07 02:21:50,606 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-07 02:21:50,608 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-07 02:21:50,609 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-07 02:21:50,610 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-07 02:21:50,611 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 02:21:50,613 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 02:21:50,646 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-11-07 02:21:50,694 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 02:21:50,695 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 02:21:50,696 INFO L168 Benchmark]: Toolchain (without parser) took 12690.96 ms. Allocated memory was 81.8 MB in the beginning and 130.0 MB in the end (delta: 48.2 MB). Free memory was 46.3 MB in the beginning and 46.7 MB in the end (delta: -459.4 kB). Peak memory consumption was 49.6 MB. Max. memory is 16.1 GB. [2021-11-07 02:21:50,697 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 81.8 MB. Free memory was 63.5 MB in the beginning and 63.5 MB in the end (delta: 69.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 02:21:50,697 INFO L168 Benchmark]: CACSL2BoogieTranslator took 806.62 ms. Allocated memory is still 81.8 MB. Free memory was 46.1 MB in the beginning and 50.8 MB in the end (delta: -4.8 MB). Peak memory consumption was 8.3 MB. Max. memory is 16.1 GB. [2021-11-07 02:21:50,698 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.89 ms. Allocated memory is still 81.8 MB. Free memory was 50.6 MB in the beginning and 47.2 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 02:21:50,698 INFO L168 Benchmark]: Boogie Preprocessor took 99.18 ms. Allocated memory is still 81.8 MB. Free memory was 47.2 MB in the beginning and 44.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 02:21:50,698 INFO L168 Benchmark]: RCFGBuilder took 2581.26 ms. Allocated memory was 81.8 MB in the beginning and 107.0 MB in the end (delta: 25.2 MB). Free memory was 44.6 MB in the beginning and 73.6 MB in the end (delta: -29.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-11-07 02:21:50,699 INFO L168 Benchmark]: TraceAbstraction took 8984.24 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 73.2 MB in the beginning and 56.2 MB in the end (delta: 17.0 MB). Peak memory consumption was 41.2 MB. Max. memory is 16.1 GB. [2021-11-07 02:21:50,699 INFO L168 Benchmark]: Witness Printer took 114.68 ms. Allocated memory is still 130.0 MB. Free memory was 56.2 MB in the beginning and 46.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 02:21:50,702 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 81.8 MB. Free memory was 63.5 MB in the beginning and 63.5 MB in the end (delta: 69.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 806.62 ms. Allocated memory is still 81.8 MB. Free memory was 46.1 MB in the beginning and 50.8 MB in the end (delta: -4.8 MB). Peak memory consumption was 8.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 91.89 ms. Allocated memory is still 81.8 MB. Free memory was 50.6 MB in the beginning and 47.2 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 99.18 ms. Allocated memory is still 81.8 MB. Free memory was 47.2 MB in the beginning and 44.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2581.26 ms. Allocated memory was 81.8 MB in the beginning and 107.0 MB in the end (delta: 25.2 MB). Free memory was 44.6 MB in the beginning and 73.6 MB in the end (delta: -29.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 8984.24 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 73.2 MB in the beginning and 56.2 MB in the end (delta: 17.0 MB). Peak memory consumption was 41.2 MB. Max. memory is 16.1 GB. * Witness Printer took 114.68 ms. Allocated memory is still 130.0 MB. Free memory was 56.2 MB in the beginning and 46.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 107 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 8.8s, OverallIterations: 7, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 545 SDtfs, 993 SDslu, 811 SDs, 0 SdLazy, 153 SolverSat, 28 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 416 GetRequests, 387 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=252occurred in iteration=5, InterpolantAutomatonStates: 33, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 304 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 147 NumberOfFragments, 128 HoareAnnotationTreeSize, 44 FomulaSimplifications, 5768 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 44 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 210 NumberOfCodeBlocks, 210 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 404 ConstructedInterpolants, 0 QuantifiedInterpolants, 844 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1614 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 46/56 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: 736]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 470]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 470]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 864]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 736]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 736]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 815]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 470]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 549]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning RESULT: Ultimate proved your program to be correct! [2021-11-07 02:21:50,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a3b1648-82b6-4219-87ea-1db3926578c9/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