./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product46.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/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_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product46.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/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_73017a19-40e2-466c-b7db-a6f3b0dd1d44/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 458689bcd0930e2b07a61b7490d83be8ce4e59412b26a60581bf78c492ee412e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:08:42,196 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:08:42,199 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:08:42,242 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:08:42,243 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:08:42,245 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:08:42,248 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:08:42,251 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:08:42,254 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:08:42,255 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:08:42,257 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:08:42,259 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:08:42,260 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:08:42,262 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:08:42,264 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:08:42,266 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:08:42,268 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:08:42,270 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:08:42,273 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:08:42,276 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:08:42,279 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:08:42,281 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:08:42,283 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:08:42,285 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:08:42,290 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:08:42,291 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:08:42,291 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:08:42,293 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:08:42,294 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:08:42,295 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:08:42,296 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:08:42,297 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:08:42,299 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:08:42,300 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:08:42,302 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:08:42,303 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:08:42,304 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:08:42,304 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:08:42,305 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:08:42,306 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:08:42,308 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:08:42,315 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 02:08:42,369 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:08:42,373 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:08:42,375 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:08:42,375 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:08:42,376 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:08:42,376 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:08:42,376 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 02:08:42,377 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:08:42,377 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:08:42,377 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 02:08:42,379 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 02:08:42,379 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:08:42,379 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 02:08:42,380 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 02:08:42,380 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 02:08:42,381 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:08:42,381 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 02:08:42,382 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 02:08:42,382 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 02:08:42,382 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:08:42,383 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 02:08:42,383 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:08:42,383 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 02:08:42,383 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:08:42,384 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 02:08:42,384 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 02:08:42,384 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:08:42,385 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 02:08:42,385 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:08:42,387 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:08:42,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:08:42,388 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:08:42,388 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:08:42,389 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 02:08:42,389 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 02:08:42,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 02:08:42,389 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 02:08:42,390 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:08:42,390 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:08:42,390 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_73017a19-40e2-466c-b7db-a6f3b0dd1d44/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 458689bcd0930e2b07a61b7490d83be8ce4e59412b26a60581bf78c492ee412e [2021-11-07 02:08:42,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:08:42,771 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:08:42,776 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:08:42,778 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:08:42,779 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:08:42,780 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec3_product46.cil.c [2021-11-07 02:08:42,877 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/data/9e6aeca17/28eae5bf483a41b3a297e1c62c173350/FLAG79a96b10c [2021-11-07 02:08:43,579 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:08:43,580 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/sv-benchmarks/c/product-lines/minepump_spec3_product46.cil.c [2021-11-07 02:08:43,597 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/data/9e6aeca17/28eae5bf483a41b3a297e1c62c173350/FLAG79a96b10c [2021-11-07 02:08:43,834 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/data/9e6aeca17/28eae5bf483a41b3a297e1c62c173350 [2021-11-07 02:08:43,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:08:43,838 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:08:43,845 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:08:43,845 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:08:43,848 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:08:43,848 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:08:43" (1/1) ... [2021-11-07 02:08:43,849 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b3e0255 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:08:43, skipping insertion in model container [2021-11-07 02:08:43,850 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:08:43" (1/1) ... [2021-11-07 02:08:43,865 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:08:43,934 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:08:44,247 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_73017a19-40e2-466c-b7db-a6f3b0dd1d44/sv-benchmarks/c/product-lines/minepump_spec3_product46.cil.c[18431,18444] [2021-11-07 02:08:44,263 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:08:44,278 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 02:08:44,282 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@286cee93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:08:44, skipping insertion in model container [2021-11-07 02:08:44,283 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:08:44,283 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 02:08:44,287 INFO L168 Benchmark]: Toolchain (without parser) took 446.70 ms. Allocated memory is still 107.0 MB. Free memory was 72.3 MB in the beginning and 79.7 MB in the end (delta: -7.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 02:08:44,289 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 83.9 MB. Free memory was 54.0 MB in the beginning and 53.9 MB in the end (delta: 27.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 02:08:44,291 INFO L168 Benchmark]: CACSL2BoogieTranslator took 438.75 ms. Allocated memory is still 107.0 MB. Free memory was 72.3 MB in the beginning and 79.7 MB in the end (delta: -7.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 02:08:44,294 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 83.9 MB. Free memory was 54.0 MB in the beginning and 53.9 MB in the end (delta: 27.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 438.75 ms. Allocated memory is still 107.0 MB. Free memory was 72.3 MB in the beginning and 79.7 MB in the end (delta: -7.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 154]: 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_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/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_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product46.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/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_73017a19-40e2-466c-b7db-a6f3b0dd1d44/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 458689bcd0930e2b07a61b7490d83be8ce4e59412b26a60581bf78c492ee412e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:08:46,869 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:08:46,872 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:08:46,921 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:08:46,923 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:08:46,928 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:08:46,931 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:08:46,936 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:08:46,940 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:08:46,950 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:08:46,951 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:08:46,954 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:08:46,954 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:08:46,958 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:08:46,961 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:08:46,967 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:08:46,970 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:08:46,971 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:08:46,973 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:08:46,986 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:08:46,988 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:08:46,990 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:08:46,994 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:08:46,996 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:08:47,001 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:08:47,001 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:08:47,002 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:08:47,004 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:08:47,005 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:08:47,007 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:08:47,008 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:08:47,009 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:08:47,012 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:08:47,012 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:08:47,014 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:08:47,015 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:08:47,016 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:08:47,016 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:08:47,017 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:08:47,019 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:08:47,020 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:08:47,021 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 02:08:47,072 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:08:47,073 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:08:47,075 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:08:47,075 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:08:47,075 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:08:47,075 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:08:47,076 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:08:47,076 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:08:47,076 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:08:47,078 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:08:47,079 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 02:08:47,080 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 02:08:47,080 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:08:47,080 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 02:08:47,080 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:08:47,081 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 02:08:47,081 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:08:47,081 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 02:08:47,081 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 02:08:47,082 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 02:08:47,082 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 02:08:47,082 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:08:47,082 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 02:08:47,083 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:08:47,083 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 02:08:47,083 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:08:47,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:08:47,084 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:08:47,084 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:08:47,084 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 02:08:47,084 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 02:08:47,085 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 02:08:47,085 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 02:08:47,085 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:08:47,086 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:08:47,086 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_73017a19-40e2-466c-b7db-a6f3b0dd1d44/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 458689bcd0930e2b07a61b7490d83be8ce4e59412b26a60581bf78c492ee412e [2021-11-07 02:08:47,564 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:08:47,593 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:08:47,596 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:08:47,597 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:08:47,598 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:08:47,600 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec3_product46.cil.c [2021-11-07 02:08:47,680 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/data/a5b4bf464/d11216bb490546c3a5d27613c97ca147/FLAG8b760045a [2021-11-07 02:08:48,393 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:08:48,394 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/sv-benchmarks/c/product-lines/minepump_spec3_product46.cil.c [2021-11-07 02:08:48,426 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/data/a5b4bf464/d11216bb490546c3a5d27613c97ca147/FLAG8b760045a [2021-11-07 02:08:48,684 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/data/a5b4bf464/d11216bb490546c3a5d27613c97ca147 [2021-11-07 02:08:48,689 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:08:48,691 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:08:48,697 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:08:48,697 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:08:48,701 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:08:48,702 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:08:48" (1/1) ... [2021-11-07 02:08:48,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b91fe1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:08:48, skipping insertion in model container [2021-11-07 02:08:48,704 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:08:48" (1/1) ... [2021-11-07 02:08:48,716 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:08:48,777 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:08:49,187 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_73017a19-40e2-466c-b7db-a6f3b0dd1d44/sv-benchmarks/c/product-lines/minepump_spec3_product46.cil.c[18431,18444] [2021-11-07 02:08:49,190 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:08:49,207 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 02:08:49,218 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:08:49,338 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_73017a19-40e2-466c-b7db-a6f3b0dd1d44/sv-benchmarks/c/product-lines/minepump_spec3_product46.cil.c[18431,18444] [2021-11-07 02:08:49,339 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:08:49,351 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 02:08:49,456 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_73017a19-40e2-466c-b7db-a6f3b0dd1d44/sv-benchmarks/c/product-lines/minepump_spec3_product46.cil.c[18431,18444] [2021-11-07 02:08:49,457 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:08:49,481 INFO L208 MainTranslator]: Completed translation [2021-11-07 02:08:49,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:08:49 WrapperNode [2021-11-07 02:08:49,482 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:08:49,483 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 02:08:49,483 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 02:08:49,484 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 02:08:49,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:08:49" (1/1) ... [2021-11-07 02:08:49,515 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:08:49" (1/1) ... [2021-11-07 02:08:49,577 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 02:08:49,578 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 02:08:49,579 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 02:08:49,580 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 02:08:49,589 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:08:49" (1/1) ... [2021-11-07 02:08:49,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:08:49" (1/1) ... [2021-11-07 02:08:49,614 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:08:49" (1/1) ... [2021-11-07 02:08:49,614 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:08:49" (1/1) ... [2021-11-07 02:08:49,673 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:08:49" (1/1) ... [2021-11-07 02:08:49,701 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:08:49" (1/1) ... [2021-11-07 02:08:49,704 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:08:49" (1/1) ... [2021-11-07 02:08:49,709 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 02:08:49,710 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 02:08:49,710 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 02:08:49,710 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 02:08:49,711 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:08:49" (1/1) ... [2021-11-07 02:08:49,735 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:08:49,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:08:49,762 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 02:08:49,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 02:08:49,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 02:08:49,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 02:08:49,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 02:08:49,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 02:08:52,740 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 02:08:52,740 INFO L299 CfgBuilder]: Removed 200 assume(true) statements. [2021-11-07 02:08:52,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:08:52 BoogieIcfgContainer [2021-11-07 02:08:52,743 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 02:08:52,746 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 02:08:52,746 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 02:08:52,750 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 02:08:52,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:08:48" (1/3) ... [2021-11-07 02:08:52,752 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@161114b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:08:52, skipping insertion in model container [2021-11-07 02:08:52,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:08:49" (2/3) ... [2021-11-07 02:08:52,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@161114b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:08:52, skipping insertion in model container [2021-11-07 02:08:52,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:08:52" (3/3) ... [2021-11-07 02:08:52,755 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product46.cil.c [2021-11-07 02:08:52,762 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 02:08:52,763 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-07 02:08:52,827 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 02:08:52,835 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 02:08:52,835 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-07 02:08:52,870 INFO L276 IsEmpty]: Start isEmpty. Operand has 135 states, 131 states have (on average 1.534351145038168) internal successors, (201), 134 states have internal predecessors, (201), 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 02:08:52,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-07 02:08:52,892 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:08:52,897 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:08:52,898 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 02:08:52,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:08:52,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1532365727, now seen corresponding path program 1 times [2021-11-07 02:08:52,930 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:08:52,930 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1834930888] [2021-11-07 02:08:52,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:08:52,932 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:08:52,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:08:52,939 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:08:52,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 02:08:53,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:08:53,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 02:08:53,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:08:53,434 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 02:08:53,434 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:08:53,502 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 02:08:53,503 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:08:53,503 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1834930888] [2021-11-07 02:08:53,504 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1834930888] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:08:53,505 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:08:53,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 02:08:53,507 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299756484] [2021-11-07 02:08:53,514 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 02:08:53,514 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:08:53,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 02:08:53,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 02:08:53,535 INFO L87 Difference]: Start difference. First operand has 135 states, 131 states have (on average 1.534351145038168) internal successors, (201), 134 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:08:53,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:08:53,577 INFO L93 Difference]: Finished difference Result 264 states and 395 transitions. [2021-11-07 02:08:53,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 02:08:53,579 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-07 02:08:53,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:08:53,594 INFO L225 Difference]: With dead ends: 264 [2021-11-07 02:08:53,594 INFO L226 Difference]: Without dead ends: 131 [2021-11-07 02:08:53,599 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 02:08:53,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2021-11-07 02:08:53,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2021-11-07 02:08:53,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 128 states have (on average 1.4765625) internal successors, (189), 130 states have internal predecessors, (189), 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 02:08:53,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 189 transitions. [2021-11-07 02:08:53,656 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 189 transitions. Word has length 18 [2021-11-07 02:08:53,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:08:53,657 INFO L470 AbstractCegarLoop]: Abstraction has 131 states and 189 transitions. [2021-11-07 02:08:53,658 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:08:53,658 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 189 transitions. [2021-11-07 02:08:53,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-07 02:08:53,660 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:08:53,660 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:08:53,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 02:08:53,882 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:08:53,882 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 02:08:53,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:08:53,883 INFO L85 PathProgramCache]: Analyzing trace with hash -70818645, now seen corresponding path program 1 times [2021-11-07 02:08:53,884 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:08:53,885 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [532299673] [2021-11-07 02:08:53,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:08:53,885 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:08:53,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:08:53,889 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:08:53,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 02:08:54,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:08:54,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 02:08:54,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:08:54,282 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 02:08:54,282 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:08:54,388 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 02:08:54,389 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:08:54,389 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [532299673] [2021-11-07 02:08:54,390 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [532299673] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:08:54,390 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:08:54,390 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 02:08:54,390 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655679911] [2021-11-07 02:08:54,394 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 02:08:54,395 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:08:54,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 02:08:54,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:08:54,403 INFO L87 Difference]: Start difference. First operand 131 states and 189 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:08:54,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:08:54,443 INFO L93 Difference]: Finished difference Result 131 states and 189 transitions. [2021-11-07 02:08:54,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 02:08:54,444 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-11-07 02:08:54,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:08:54,448 INFO L225 Difference]: With dead ends: 131 [2021-11-07 02:08:54,449 INFO L226 Difference]: Without dead ends: 53 [2021-11-07 02:08:54,451 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:08:54,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-11-07 02:08:54,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-11-07 02:08:54,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.4615384615384615) internal successors, (76), 52 states have internal predecessors, (76), 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 02:08:54,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2021-11-07 02:08:54,469 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 19 [2021-11-07 02:08:54,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:08:54,470 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2021-11-07 02:08:54,471 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:08:54,471 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2021-11-07 02:08:54,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-07 02:08:54,474 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:08:54,481 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 02:08:54,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 02:08:54,696 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:08:54,697 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 02:08:54,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:08:54,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1705695964, now seen corresponding path program 1 times [2021-11-07 02:08:54,699 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:08:54,699 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1058097065] [2021-11-07 02:08:54,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:08:54,700 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:08:54,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:08:54,701 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:08:54,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 02:08:54,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:08:54,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 02:08:54,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:08:55,039 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 02:08:55,039 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:08:55,135 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 02:08:55,136 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:08:55,136 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1058097065] [2021-11-07 02:08:55,136 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1058097065] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:08:55,137 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:08:55,137 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 02:08:55,137 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8459641] [2021-11-07 02:08:55,138 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 02:08:55,138 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:08:55,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 02:08:55,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:08:55,140 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:08:55,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:08:55,193 INFO L93 Difference]: Finished difference Result 100 states and 146 transitions. [2021-11-07 02:08:55,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 02:08:55,194 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-07 02:08:55,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:08:55,195 INFO L225 Difference]: With dead ends: 100 [2021-11-07 02:08:55,197 INFO L226 Difference]: Without dead ends: 53 [2021-11-07 02:08:55,198 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:08:55,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-11-07 02:08:55,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-11-07 02:08:55,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.4423076923076923) internal successors, (75), 52 states have internal predecessors, (75), 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 02:08:55,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2021-11-07 02:08:55,212 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 24 [2021-11-07 02:08:55,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:08:55,213 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2021-11-07 02:08:55,214 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:08:55,215 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2021-11-07 02:08:55,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-07 02:08:55,217 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:08:55,217 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 02:08:55,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 02:08:55,438 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:08:55,439 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 02:08:55,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:08:55,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1939313638, now seen corresponding path program 1 times [2021-11-07 02:08:55,441 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:08:55,441 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [145374277] [2021-11-07 02:08:55,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:08:55,442 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:08:55,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:08:55,443 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:08:55,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 02:08:55,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:08:55,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 02:08:55,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:08:55,773 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 02:08:55,773 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:08:55,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:08:55,852 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:08:55,853 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [145374277] [2021-11-07 02:08:55,854 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [145374277] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:08:55,854 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:08:55,854 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 02:08:55,855 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947163153] [2021-11-07 02:08:55,855 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 02:08:55,855 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:08:55,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 02:08:55,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:08:55,857 INFO L87 Difference]: Start difference. First operand 53 states and 75 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:08:55,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:08:55,941 INFO L93 Difference]: Finished difference Result 123 states and 177 transitions. [2021-11-07 02:08:55,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 02:08:55,942 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-11-07 02:08:55,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:08:55,945 INFO L225 Difference]: With dead ends: 123 [2021-11-07 02:08:55,945 INFO L226 Difference]: Without dead ends: 76 [2021-11-07 02:08:55,946 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 02:08:55,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2021-11-07 02:08:55,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 74. [2021-11-07 02:08:55,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 73 states have (on average 1.4246575342465753) internal successors, (104), 73 states have internal predecessors, (104), 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 02:08:55,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 104 transitions. [2021-11-07 02:08:55,967 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 104 transitions. Word has length 26 [2021-11-07 02:08:55,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:08:55,967 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 104 transitions. [2021-11-07 02:08:55,968 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:08:55,968 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 104 transitions. [2021-11-07 02:08:55,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-07 02:08:55,975 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:08:55,975 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:08:56,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 02:08:56,190 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:08:56,191 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 02:08:56,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:08:56,191 INFO L85 PathProgramCache]: Analyzing trace with hash -501882354, now seen corresponding path program 1 times [2021-11-07 02:08:56,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:08:56,192 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1637714588] [2021-11-07 02:08:56,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:08:56,193 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:08:56,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:08:56,194 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:08:56,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 02:08:56,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:08:56,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 02:08:56,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:08:56,615 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 02:08:56,615 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:08:56,807 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 02:08:56,808 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:08:56,808 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1637714588] [2021-11-07 02:08:56,808 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1637714588] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:08:56,808 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:08:56,809 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-11-07 02:08:56,809 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7183892] [2021-11-07 02:08:56,809 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 02:08:56,810 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:08:56,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 02:08:56,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 02:08:56,811 INFO L87 Difference]: Start difference. First operand 74 states and 104 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 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 02:08:57,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:08:57,259 INFO L93 Difference]: Finished difference Result 815 states and 1186 transitions. [2021-11-07 02:08:57,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-07 02:08:57,260 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-11-07 02:08:57,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:08:57,266 INFO L225 Difference]: With dead ends: 815 [2021-11-07 02:08:57,266 INFO L226 Difference]: Without dead ends: 747 [2021-11-07 02:08:57,267 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2021-11-07 02:08:57,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2021-11-07 02:08:57,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 182. [2021-11-07 02:08:57,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 181 states have (on average 1.4033149171270718) internal successors, (254), 181 states have internal predecessors, (254), 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 02:08:57,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 254 transitions. [2021-11-07 02:08:57,305 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 254 transitions. Word has length 32 [2021-11-07 02:08:57,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:08:57,306 INFO L470 AbstractCegarLoop]: Abstraction has 182 states and 254 transitions. [2021-11-07 02:08:57,306 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 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 02:08:57,306 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 254 transitions. [2021-11-07 02:08:57,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-07 02:08:57,308 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:08:57,308 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:08:57,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-11-07 02:08:57,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:08:57,524 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 02:08:57,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:08:57,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1710921162, now seen corresponding path program 1 times [2021-11-07 02:08:57,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:08:57,525 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1831379450] [2021-11-07 02:08:57,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:08:57,526 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:08:57,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:08:57,528 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:08:57,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 02:08:57,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:08:57,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 02:08:57,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:08:57,967 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 02:08:57,967 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:08:58,076 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 02:08:58,076 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:08:58,076 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1831379450] [2021-11-07 02:08:58,078 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1831379450] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:08:58,078 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:08:58,079 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 02:08:58,080 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587179414] [2021-11-07 02:08:58,082 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 02:08:58,082 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:08:58,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 02:08:58,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:08:58,085 INFO L87 Difference]: Start difference. First operand 182 states and 254 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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 02:08:58,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:08:58,198 INFO L93 Difference]: Finished difference Result 569 states and 802 transitions. [2021-11-07 02:08:58,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 02:08:58,199 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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 33 [2021-11-07 02:08:58,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:08:58,203 INFO L225 Difference]: With dead ends: 569 [2021-11-07 02:08:58,203 INFO L226 Difference]: Without dead ends: 440 [2021-11-07 02:08:58,204 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 02:08:58,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2021-11-07 02:08:58,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 186. [2021-11-07 02:08:58,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 185 states have (on average 1.3837837837837839) internal successors, (256), 185 states have internal predecessors, (256), 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 02:08:58,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 256 transitions. [2021-11-07 02:08:58,239 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 256 transitions. Word has length 33 [2021-11-07 02:08:58,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:08:58,240 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 256 transitions. [2021-11-07 02:08:58,240 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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 02:08:58,240 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 256 transitions. [2021-11-07 02:08:58,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-07 02:08:58,241 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:08:58,242 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:08:58,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-07 02:08:58,456 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:08:58,461 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 02:08:58,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:08:58,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1969086600, now seen corresponding path program 1 times [2021-11-07 02:08:58,463 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:08:58,463 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1287239383] [2021-11-07 02:08:58,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:08:58,464 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:08:58,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:08:58,465 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:08:58,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-07 02:08:58,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:08:58,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 02:08:58,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:08:58,861 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 02:08:58,862 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:08:58,961 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 02:08:58,961 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:08:58,961 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1287239383] [2021-11-07 02:08:58,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1287239383] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:08:58,962 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:08:58,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-07 02:08:58,962 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150707960] [2021-11-07 02:08:58,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 02:08:58,962 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:08:58,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 02:08:58,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 02:08:58,963 INFO L87 Difference]: Start difference. First operand 186 states and 256 transitions. Second operand has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:08:59,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:08:59,110 INFO L93 Difference]: Finished difference Result 700 states and 976 transitions. [2021-11-07 02:08:59,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 02:08:59,110 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-11-07 02:08:59,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:08:59,114 INFO L225 Difference]: With dead ends: 700 [2021-11-07 02:08:59,114 INFO L226 Difference]: Without dead ends: 520 [2021-11-07 02:08:59,115 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-07 02:08:59,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2021-11-07 02:08:59,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 195. [2021-11-07 02:08:59,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 194 states have (on average 1.3556701030927836) internal successors, (263), 194 states have internal predecessors, (263), 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 02:08:59,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 263 transitions. [2021-11-07 02:08:59,163 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 263 transitions. Word has length 33 [2021-11-07 02:08:59,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:08:59,163 INFO L470 AbstractCegarLoop]: Abstraction has 195 states and 263 transitions. [2021-11-07 02:08:59,163 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:08:59,163 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 263 transitions. [2021-11-07 02:08:59,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-07 02:08:59,166 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:08:59,166 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:08:59,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-07 02:08:59,382 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:08:59,382 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:08:59,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:08:59,383 INFO L85 PathProgramCache]: Analyzing trace with hash -558169663, now seen corresponding path program 1 times [2021-11-07 02:08:59,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:08:59,383 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1389372533] [2021-11-07 02:08:59,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:08:59,384 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:08:59,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:08:59,385 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:08:59,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-07 02:08:59,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:08:59,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 02:08:59,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:08:59,841 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 02:08:59,841 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:08:59,985 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 02:08:59,985 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:08:59,986 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1389372533] [2021-11-07 02:08:59,986 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1389372533] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:08:59,986 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:08:59,986 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 02:08:59,986 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563184176] [2021-11-07 02:08:59,987 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 02:08:59,987 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:08:59,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 02:08:59,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-07 02:08:59,988 INFO L87 Difference]: Start difference. First operand 195 states and 263 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:09:00,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:09:00,373 INFO L93 Difference]: Finished difference Result 1232 states and 1633 transitions. [2021-11-07 02:09:00,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-07 02:09:00,374 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-11-07 02:09:00,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:09:00,380 INFO L225 Difference]: With dead ends: 1232 [2021-11-07 02:09:00,380 INFO L226 Difference]: Without dead ends: 1043 [2021-11-07 02:09:00,381 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-11-07 02:09:00,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1043 states. [2021-11-07 02:09:00,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1043 to 382. [2021-11-07 02:09:00,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 381 states have (on average 1.3333333333333333) internal successors, (508), 381 states have internal predecessors, (508), 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 02:09:00,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 508 transitions. [2021-11-07 02:09:00,448 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 508 transitions. Word has length 36 [2021-11-07 02:09:00,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:09:00,448 INFO L470 AbstractCegarLoop]: Abstraction has 382 states and 508 transitions. [2021-11-07 02:09:00,449 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:09:00,449 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 508 transitions. [2021-11-07 02:09:00,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-07 02:09:00,450 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:09:00,450 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:09:00,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2021-11-07 02:09:00,662 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:09:00,663 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:09:00,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:09:00,664 INFO L85 PathProgramCache]: Analyzing trace with hash 121888707, now seen corresponding path program 1 times [2021-11-07 02:09:00,664 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:09:00,665 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1681119596] [2021-11-07 02:09:00,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:09:00,665 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:09:00,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:09:00,666 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:09:00,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-07 02:09:00,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:09:00,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 02:09:00,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:09:01,118 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 02:09:01,118 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:09:01,259 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 02:09:01,259 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:09:01,259 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1681119596] [2021-11-07 02:09:01,259 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1681119596] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:09:01,259 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:09:01,260 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-07 02:09:01,260 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886997344] [2021-11-07 02:09:01,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 02:09:01,261 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:09:01,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 02:09:01,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 02:09:01,262 INFO L87 Difference]: Start difference. First operand 382 states and 508 transitions. Second operand has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 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 02:09:03,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:09:03,542 INFO L93 Difference]: Finished difference Result 1067 states and 1439 transitions. [2021-11-07 02:09:03,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 02:09:03,542 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-11-07 02:09:03,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:09:03,547 INFO L225 Difference]: With dead ends: 1067 [2021-11-07 02:09:03,547 INFO L226 Difference]: Without dead ends: 691 [2021-11-07 02:09:03,548 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2021-11-07 02:09:03,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2021-11-07 02:09:03,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 312. [2021-11-07 02:09:03,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 311 states have (on average 1.2893890675241158) internal successors, (401), 311 states have internal predecessors, (401), 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 02:09:03,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 401 transitions. [2021-11-07 02:09:03,610 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 401 transitions. Word has length 36 [2021-11-07 02:09:03,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:09:03,611 INFO L470 AbstractCegarLoop]: Abstraction has 312 states and 401 transitions. [2021-11-07 02:09:03,611 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 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 02:09:03,611 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 401 transitions. [2021-11-07 02:09:03,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-07 02:09:03,612 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:09:03,612 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:09:03,628 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-07 02:09:03,824 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:09:03,825 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:09:03,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:09:03,825 INFO L85 PathProgramCache]: Analyzing trace with hash -613249401, now seen corresponding path program 1 times [2021-11-07 02:09:03,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:09:03,826 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1590281462] [2021-11-07 02:09:03,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:09:03,827 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:09:03,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:09:03,828 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:09:03,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-07 02:09:04,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:09:04,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 02:09:04,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:09:04,319 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 02:09:04,319 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:09:04,483 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 02:09:04,484 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:09:04,484 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1590281462] [2021-11-07 02:09:04,484 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1590281462] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:09:04,484 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:09:04,484 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-07 02:09:04,484 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538635316] [2021-11-07 02:09:04,485 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 02:09:04,485 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:09:04,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 02:09:04,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 02:09:04,485 INFO L87 Difference]: Start difference. First operand 312 states and 401 transitions. Second operand has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 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 02:09:06,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:09:06,485 INFO L93 Difference]: Finished difference Result 983 states and 1253 transitions. [2021-11-07 02:09:06,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 02:09:06,486 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-11-07 02:09:06,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:09:06,490 INFO L225 Difference]: With dead ends: 983 [2021-11-07 02:09:06,491 INFO L226 Difference]: Without dead ends: 677 [2021-11-07 02:09:06,492 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2021-11-07 02:09:06,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2021-11-07 02:09:06,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 292. [2021-11-07 02:09:06,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 291 states have (on average 1.261168384879725) internal successors, (367), 291 states have internal predecessors, (367), 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 02:09:06,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 367 transitions. [2021-11-07 02:09:06,551 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 367 transitions. Word has length 37 [2021-11-07 02:09:06,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:09:06,552 INFO L470 AbstractCegarLoop]: Abstraction has 292 states and 367 transitions. [2021-11-07 02:09:06,552 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 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 02:09:06,552 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 367 transitions. [2021-11-07 02:09:06,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-07 02:09:06,554 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:09:06,554 INFO L513 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:09:06,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-07 02:09:06,768 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:09:06,768 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:09:06,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:09:06,769 INFO L85 PathProgramCache]: Analyzing trace with hash -999786733, now seen corresponding path program 1 times [2021-11-07 02:09:06,769 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:09:06,769 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [322207747] [2021-11-07 02:09:06,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:09:06,769 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:09:06,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:09:06,770 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:09:06,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-07 02:09:07,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:09:07,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 02:09:07,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:09:07,223 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 02:09:07,223 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:09:07,441 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 02:09:07,441 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:09:07,441 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [322207747] [2021-11-07 02:09:07,441 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [322207747] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:09:07,441 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:09:07,442 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-07 02:09:07,442 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695815884] [2021-11-07 02:09:07,442 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 02:09:07,442 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:09:07,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 02:09:07,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-07 02:09:07,443 INFO L87 Difference]: Start difference. First operand 292 states and 367 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:09:09,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:09:09,106 INFO L93 Difference]: Finished difference Result 1010 states and 1302 transitions. [2021-11-07 02:09:09,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 02:09:09,107 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-11-07 02:09:09,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:09:09,112 INFO L225 Difference]: With dead ends: 1010 [2021-11-07 02:09:09,112 INFO L226 Difference]: Without dead ends: 820 [2021-11-07 02:09:09,113 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 02:09:09,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 820 states. [2021-11-07 02:09:09,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 820 to 679. [2021-11-07 02:09:09,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 679 states, 678 states have (on average 1.2551622418879056) internal successors, (851), 678 states have internal predecessors, (851), 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 02:09:09,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 851 transitions. [2021-11-07 02:09:09,256 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 851 transitions. Word has length 54 [2021-11-07 02:09:09,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:09:09,257 INFO L470 AbstractCegarLoop]: Abstraction has 679 states and 851 transitions. [2021-11-07 02:09:09,257 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:09:09,257 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 851 transitions. [2021-11-07 02:09:09,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-07 02:09:09,258 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:09:09,259 INFO L513 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:09:09,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-07 02:09:09,475 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:09:09,476 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:09:09,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:09:09,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1916178793, now seen corresponding path program 1 times [2021-11-07 02:09:09,477 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:09:09,477 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [94578729] [2021-11-07 02:09:09,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:09:09,477 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:09:09,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:09:09,479 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:09:09,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-07 02:09:09,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:09:09,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 02:09:09,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:09:10,090 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:09:10,090 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:09:10,261 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:09:10,261 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:09:10,262 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [94578729] [2021-11-07 02:09:10,262 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [94578729] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:09:10,262 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:09:10,262 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 02:09:10,262 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645131090] [2021-11-07 02:09:10,263 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 02:09:10,263 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:09:10,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 02:09:10,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 02:09:10,264 INFO L87 Difference]: Start difference. First operand 679 states and 851 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:09:10,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:09:10,654 INFO L93 Difference]: Finished difference Result 1735 states and 2168 transitions. [2021-11-07 02:09:10,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 02:09:10,654 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-11-07 02:09:10,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:09:10,662 INFO L225 Difference]: With dead ends: 1735 [2021-11-07 02:09:10,663 INFO L226 Difference]: Without dead ends: 1062 [2021-11-07 02:09:10,664 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-07 02:09:10,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062 states. [2021-11-07 02:09:10,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062 to 679. [2021-11-07 02:09:10,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 679 states, 678 states have (on average 1.233038348082596) internal successors, (836), 678 states have internal predecessors, (836), 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 02:09:10,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 836 transitions. [2021-11-07 02:09:10,835 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 836 transitions. Word has length 54 [2021-11-07 02:09:10,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:09:10,836 INFO L470 AbstractCegarLoop]: Abstraction has 679 states and 836 transitions. [2021-11-07 02:09:10,836 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:09:10,837 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 836 transitions. [2021-11-07 02:09:10,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-07 02:09:10,838 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:09:10,838 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:09:10,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-07 02:09:11,053 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:09:11,053 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:09:11,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:09:11,054 INFO L85 PathProgramCache]: Analyzing trace with hash 1094031012, now seen corresponding path program 1 times [2021-11-07 02:09:11,055 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:09:11,055 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1336649940] [2021-11-07 02:09:11,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:09:11,055 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:09:11,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:09:11,057 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:09:11,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-07 02:09:11,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:09:11,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 02:09:11,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:09:11,637 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:09:11,637 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:09:11,838 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:09:11,838 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:09:11,839 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1336649940] [2021-11-07 02:09:11,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1336649940] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:09:11,839 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:09:11,839 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 02:09:11,840 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698646269] [2021-11-07 02:09:11,840 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 02:09:11,840 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:09:11,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 02:09:11,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-07 02:09:11,841 INFO L87 Difference]: Start difference. First operand 679 states and 836 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 5 states have internal predecessors, (56), 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 02:09:14,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:09:14,243 INFO L93 Difference]: Finished difference Result 2581 states and 3169 transitions. [2021-11-07 02:09:14,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 02:09:14,244 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 5 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-11-07 02:09:14,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:09:14,262 INFO L225 Difference]: With dead ends: 2581 [2021-11-07 02:09:14,262 INFO L226 Difference]: Without dead ends: 2000 [2021-11-07 02:09:14,264 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-11-07 02:09:14,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2000 states. [2021-11-07 02:09:14,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2000 to 867. [2021-11-07 02:09:14,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 867 states, 866 states have (on average 1.2240184757505774) internal successors, (1060), 866 states have internal predecessors, (1060), 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 02:09:14,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 1060 transitions. [2021-11-07 02:09:14,465 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 1060 transitions. Word has length 56 [2021-11-07 02:09:14,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:09:14,466 INFO L470 AbstractCegarLoop]: Abstraction has 867 states and 1060 transitions. [2021-11-07 02:09:14,466 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 5 states have internal predecessors, (56), 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 02:09:14,466 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1060 transitions. [2021-11-07 02:09:14,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-07 02:09:14,468 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:09:14,468 INFO L513 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:09:14,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-07 02:09:14,692 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:09:14,692 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:09:14,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:09:14,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1367178081, now seen corresponding path program 1 times [2021-11-07 02:09:14,693 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:09:14,693 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [348722693] [2021-11-07 02:09:14,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:09:14,693 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:09:14,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:09:14,694 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:09:14,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-07 02:09:15,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:09:15,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 02:09:15,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:09:15,221 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 02:09:15,221 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:09:15,413 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 02:09:15,413 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:09:15,413 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [348722693] [2021-11-07 02:09:15,413 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [348722693] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:09:15,413 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:09:15,414 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-07 02:09:15,414 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171042717] [2021-11-07 02:09:15,414 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-07 02:09:15,414 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:09:15,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-07 02:09:15,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-07 02:09:15,415 INFO L87 Difference]: Start difference. First operand 867 states and 1060 transitions. Second operand has 10 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 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 02:09:17,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:09:17,692 INFO L93 Difference]: Finished difference Result 3075 states and 3770 transitions. [2021-11-07 02:09:17,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 02:09:17,692 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-11-07 02:09:17,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:09:17,706 INFO L225 Difference]: With dead ends: 3075 [2021-11-07 02:09:17,706 INFO L226 Difference]: Without dead ends: 2286 [2021-11-07 02:09:17,708 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=93, Invalid=213, Unknown=0, NotChecked=0, Total=306 [2021-11-07 02:09:17,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2286 states. [2021-11-07 02:09:17,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2286 to 833. [2021-11-07 02:09:17,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 833 states, 832 states have (on average 1.2175480769230769) internal successors, (1013), 832 states have internal predecessors, (1013), 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 02:09:17,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1013 transitions. [2021-11-07 02:09:17,858 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1013 transitions. Word has length 56 [2021-11-07 02:09:17,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:09:17,859 INFO L470 AbstractCegarLoop]: Abstraction has 833 states and 1013 transitions. [2021-11-07 02:09:17,859 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 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 02:09:17,859 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1013 transitions. [2021-11-07 02:09:17,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-07 02:09:17,860 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:09:17,861 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:09:17,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-11-07 02:09:18,061 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:09:18,061 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:09:18,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:09:18,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1267709430, now seen corresponding path program 1 times [2021-11-07 02:09:18,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:09:18,062 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [43338159] [2021-11-07 02:09:18,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:09:18,062 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:09:18,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:09:18,063 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:09:18,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-07 02:09:18,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:09:18,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 02:09:18,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:09:18,606 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 02:09:18,607 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:09:18,750 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 02:09:18,750 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:09:18,750 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [43338159] [2021-11-07 02:09:18,750 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [43338159] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:09:18,750 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:09:18,751 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 02:09:18,751 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783195112] [2021-11-07 02:09:18,751 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 02:09:18,751 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:09:18,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 02:09:18,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 02:09:18,752 INFO L87 Difference]: Start difference. First operand 833 states and 1013 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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 02:09:18,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:09:18,969 INFO L93 Difference]: Finished difference Result 1875 states and 2293 transitions. [2021-11-07 02:09:18,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 02:09:18,970 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-11-07 02:09:18,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:09:18,975 INFO L225 Difference]: With dead ends: 1875 [2021-11-07 02:09:18,975 INFO L226 Difference]: Without dead ends: 1048 [2021-11-07 02:09:18,977 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 02:09:18,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1048 states. [2021-11-07 02:09:19,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1048 to 833. [2021-11-07 02:09:19,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 833 states, 832 states have (on average 1.2079326923076923) internal successors, (1005), 832 states have internal predecessors, (1005), 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 02:09:19,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1005 transitions. [2021-11-07 02:09:19,130 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1005 transitions. Word has length 56 [2021-11-07 02:09:19,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:09:19,130 INFO L470 AbstractCegarLoop]: Abstraction has 833 states and 1005 transitions. [2021-11-07 02:09:19,130 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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 02:09:19,131 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1005 transitions. [2021-11-07 02:09:19,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-07 02:09:19,131 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:09:19,131 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:09:19,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-11-07 02:09:19,332 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:09:19,332 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:09:19,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:09:19,332 INFO L85 PathProgramCache]: Analyzing trace with hash 873342644, now seen corresponding path program 1 times [2021-11-07 02:09:19,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:09:19,333 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1767712252] [2021-11-07 02:09:19,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:09:19,333 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:09:19,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:09:19,334 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:09:19,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-07 02:09:19,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:09:19,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 02:09:19,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:09:19,971 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 02:09:19,971 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:09:20,134 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 02:09:20,135 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:09:20,135 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1767712252] [2021-11-07 02:09:20,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1767712252] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:09:20,135 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:09:20,135 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-07 02:09:20,135 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949916601] [2021-11-07 02:09:20,136 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 02:09:20,136 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:09:20,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 02:09:20,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 02:09:20,137 INFO L87 Difference]: Start difference. First operand 833 states and 1005 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:09:20,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:09:20,392 INFO L93 Difference]: Finished difference Result 1785 states and 2179 transitions. [2021-11-07 02:09:20,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 02:09:20,393 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-11-07 02:09:20,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:09:20,399 INFO L225 Difference]: With dead ends: 1785 [2021-11-07 02:09:20,399 INFO L226 Difference]: Without dead ends: 958 [2021-11-07 02:09:20,401 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 02:09:20,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2021-11-07 02:09:20,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 705. [2021-11-07 02:09:20,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 705 states, 704 states have (on average 1.2144886363636365) internal successors, (855), 704 states have internal predecessors, (855), 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 02:09:20,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 855 transitions. [2021-11-07 02:09:20,584 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 855 transitions. Word has length 56 [2021-11-07 02:09:20,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:09:20,585 INFO L470 AbstractCegarLoop]: Abstraction has 705 states and 855 transitions. [2021-11-07 02:09:20,585 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:09:20,585 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 855 transitions. [2021-11-07 02:09:20,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-07 02:09:20,586 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:09:20,586 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:09:20,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-11-07 02:09:20,800 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:09:20,800 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:09:20,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:09:20,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1703295151, now seen corresponding path program 1 times [2021-11-07 02:09:20,801 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:09:20,801 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1664945499] [2021-11-07 02:09:20,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:09:20,802 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:09:20,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:09:20,803 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:09:20,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-07 02:09:21,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:09:21,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 02:09:21,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:09:21,432 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-07 02:09:21,432 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:09:21,616 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-07 02:09:21,616 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:09:21,616 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1664945499] [2021-11-07 02:09:21,616 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1664945499] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:09:21,616 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:09:21,616 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 02:09:21,617 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858528870] [2021-11-07 02:09:21,617 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 02:09:21,617 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:09:21,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 02:09:21,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-07 02:09:21,618 INFO L87 Difference]: Start difference. First operand 705 states and 855 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 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 02:09:21,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:09:21,898 INFO L93 Difference]: Finished difference Result 1672 states and 2031 transitions. [2021-11-07 02:09:21,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-07 02:09:21,899 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 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 58 [2021-11-07 02:09:21,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:09:21,899 INFO L225 Difference]: With dead ends: 1672 [2021-11-07 02:09:21,899 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 02:09:21,902 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2021-11-07 02:09:21,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 02:09:21,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 02:09:21,902 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 02:09:21,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 02:09:21,903 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2021-11-07 02:09:21,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:09:21,903 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 02:09:21,903 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 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 02:09:21,904 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 02:09:21,904 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 02:09:21,907 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 02:09:21,907 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 02:09:21,908 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 02:09:21,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (18)] Ended with exit code 0 [2021-11-07 02:09:22,122 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:09:22,124 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 02:09:22,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:22,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:22,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:22,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:24,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:24,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:26,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:26,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:26,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:26,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:26,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:26,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:26,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:26,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:26,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:26,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:26,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:26,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:26,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:26,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:26,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:26,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:26,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:26,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:26,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:26,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:27,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:27,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:27,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:27,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:27,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:27,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:27,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:28,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:28,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:28,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:28,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:28,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:32,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:32,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:32,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:32,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:32,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:33,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:33,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:33,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:33,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:36,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:36,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:36,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:36,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:39,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:40,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:40,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:40,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:40,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:40,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:40,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:10:04,263 WARN L207 SmtUtils]: Spent 8.91 s on a formula simplification. DAG size of input: 499 DAG size of output: 40 [2021-11-07 02:10:14,253 WARN L207 SmtUtils]: Spent 8.79 s on a formula simplification. DAG size of input: 499 DAG size of output: 40 [2021-11-07 02:10:22,154 WARN L207 SmtUtils]: Spent 7.77 s on a formula simplification. DAG size of input: 478 DAG size of output: 41 [2021-11-07 02:10:23,785 INFO L853 garLoopResultBuilder]: At program point L828(lines 823 831) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0)) (.cse2 (= (_ bv1 32) ~pumpRunning~0)) (.cse3 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~0 (_ bv0 32))) (.cse4 (= ULTIMATE.start_activatePump_~tmp~7 (_ bv0 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse6 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32))) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse8 (= ~systemActive~0 (_ bv1 32))) (.cse9 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|))) (or (and .cse0 .cse1 .cse2 .cse3 (not (bvslt ~waterLevel~0 (_ bv2 32))) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and (= ULTIMATE.start_processEnvironment_~tmp~6 (_ bv0 32)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9))) [2021-11-07 02:10:23,786 INFO L853 garLoopResultBuilder]: At program point L828-1(lines 823 831) the Hoare annotation is: false [2021-11-07 02:10:23,786 INFO L857 garLoopResultBuilder]: For program point L762(lines 762 770) no Hoare annotation was computed. [2021-11-07 02:10:23,786 INFO L853 garLoopResultBuilder]: At program point L828-2(lines 823 831) the Hoare annotation is: false [2021-11-07 02:10:23,786 INFO L857 garLoopResultBuilder]: For program point L762-1(lines 762 770) no Hoare annotation was computed. [2021-11-07 02:10:23,786 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 967) no Hoare annotation was computed. [2021-11-07 02:10:23,786 INFO L857 garLoopResultBuilder]: For program point L762-2(lines 762 770) no Hoare annotation was computed. [2021-11-07 02:10:23,786 INFO L857 garLoopResultBuilder]: For program point L69(lines 69 82) no Hoare annotation was computed. [2021-11-07 02:10:23,786 INFO L853 garLoopResultBuilder]: At program point L69-1(lines 1 970) the Hoare annotation is: (let ((.cse14 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse6 (= (_ bv0 32) ~pumpRunning~0)) (.cse7 (= ULTIMATE.start_processEnvironment_~tmp~6 (_ bv0 32))) (.cse1 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~0 (_ bv1 32))) (.cse2 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse8 (= (_ bv1 32) ~pumpRunning~0)) (.cse9 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~0 (_ bv0 32))) (.cse10 (= ULTIMATE.start_activatePump_~tmp~7 (_ bv0 32))) (.cse11 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse12 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32))) (.cse13 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse3 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse3) (and .cse0 .cse11 .cse3 (= ~waterLevel~0 (_ bv1 32)) .cse6) (and .cse0 .cse14 .cse1 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse9 .cse11 .cse14 .cse13 .cse3 .cse6) (and .cse7 .cse0 .cse8 .cse10 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse8 .cse9 (not (bvslt ~waterLevel~0 (_ bv2 32))) .cse10 .cse11 .cse12 .cse13 .cse3))) [2021-11-07 02:10:23,786 INFO L857 garLoopResultBuilder]: For program point L69-2(lines 69 82) no Hoare annotation was computed. [2021-11-07 02:10:23,787 INFO L853 garLoopResultBuilder]: At program point L69-3(lines 1 970) the Hoare annotation is: false [2021-11-07 02:10:23,787 INFO L857 garLoopResultBuilder]: For program point L69-4(lines 69 82) no Hoare annotation was computed. [2021-11-07 02:10:23,787 INFO L853 garLoopResultBuilder]: At program point L69-5(lines 1 970) the Hoare annotation is: false [2021-11-07 02:10:23,787 INFO L857 garLoopResultBuilder]: For program point L732(lines 732 749) no Hoare annotation was computed. [2021-11-07 02:10:23,787 INFO L857 garLoopResultBuilder]: For program point L732-1(lines 732 749) no Hoare annotation was computed. [2021-11-07 02:10:23,787 INFO L857 garLoopResultBuilder]: For program point L732-2(lines 732 749) no Hoare annotation was computed. [2021-11-07 02:10:23,787 INFO L857 garLoopResultBuilder]: For program point L732-3(lines 732 749) no Hoare annotation was computed. [2021-11-07 02:10:23,787 INFO L857 garLoopResultBuilder]: For program point L732-4(lines 732 749) no Hoare annotation was computed. [2021-11-07 02:10:23,787 INFO L857 garLoopResultBuilder]: For program point L732-5(lines 732 749) no Hoare annotation was computed. [2021-11-07 02:10:23,788 INFO L853 garLoopResultBuilder]: At program point L700(lines 699 718) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (= ULTIMATE.start_processEnvironment_~tmp~6 (_ bv0 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= (_ bv1 32) ~pumpRunning~0)) (.cse7 (= ULTIMATE.start_activatePump_~tmp~7 (_ bv0 32))) (.cse8 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32))) (.cse9 (not (bvslt (bvadd ~waterLevel~0 (_ bv1 32)) (_ bv2 32)))) (.cse10 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse4 .cse3) (and .cse5 .cse0 .cse6 .cse7 .cse2 .cse4) (and .cse5 .cse0 .cse6 .cse7 .cse1 .cse2) (and .cse0 .cse6 .cse7 .cse1 .cse8 .cse9 .cse10 .cse2) (and .cse0 .cse6 .cse7 .cse8 .cse9 .cse10 .cse2 .cse4))) [2021-11-07 02:10:23,788 INFO L857 garLoopResultBuilder]: For program point L700-1(lines 700 706) no Hoare annotation was computed. [2021-11-07 02:10:23,788 INFO L853 garLoopResultBuilder]: At program point L700-2(lines 699 718) the Hoare annotation is: false [2021-11-07 02:10:23,788 INFO L853 garLoopResultBuilder]: At program point L700-3(lines 699 718) the Hoare annotation is: false [2021-11-07 02:10:23,788 INFO L857 garLoopResultBuilder]: For program point L73(lines 73 79) no Hoare annotation was computed. [2021-11-07 02:10:23,789 INFO L857 garLoopResultBuilder]: For program point L73-2(lines 73 79) no Hoare annotation was computed. [2021-11-07 02:10:23,789 INFO L857 garLoopResultBuilder]: For program point L73-4(lines 73 79) no Hoare annotation was computed. [2021-11-07 02:10:23,789 INFO L857 garLoopResultBuilder]: For program point L602(lines 602 606) no Hoare annotation was computed. [2021-11-07 02:10:23,789 INFO L857 garLoopResultBuilder]: For program point L602-3(lines 602 606) no Hoare annotation was computed. [2021-11-07 02:10:23,789 INFO L857 garLoopResultBuilder]: For program point L602-6(lines 602 606) no Hoare annotation was computed. [2021-11-07 02:10:23,790 INFO L853 garLoopResultBuilder]: At program point L504-2(lines 504 518) the Hoare annotation is: false [2021-11-07 02:10:23,790 INFO L857 garLoopResultBuilder]: For program point L967(line 967) no Hoare annotation was computed. [2021-11-07 02:10:23,790 INFO L857 garLoopResultBuilder]: For program point L967-1(line 967) no Hoare annotation was computed. [2021-11-07 02:10:23,790 INFO L857 garLoopResultBuilder]: For program point L967-2(line 967) no Hoare annotation was computed. [2021-11-07 02:10:23,790 INFO L857 garLoopResultBuilder]: For program point L736(lines 736 744) no Hoare annotation was computed. [2021-11-07 02:10:23,790 INFO L857 garLoopResultBuilder]: For program point L736-1(lines 736 744) no Hoare annotation was computed. [2021-11-07 02:10:23,791 INFO L857 garLoopResultBuilder]: For program point L736-2(lines 736 744) no Hoare annotation was computed. [2021-11-07 02:10:23,791 INFO L857 garLoopResultBuilder]: For program point L736-3(lines 736 744) no Hoare annotation was computed. [2021-11-07 02:10:23,791 INFO L857 garLoopResultBuilder]: For program point L736-4(lines 736 744) no Hoare annotation was computed. [2021-11-07 02:10:23,791 INFO L857 garLoopResultBuilder]: For program point L736-5(lines 736 744) no Hoare annotation was computed. [2021-11-07 02:10:23,791 INFO L857 garLoopResultBuilder]: For program point L505(line 505) no Hoare annotation was computed. [2021-11-07 02:10:23,791 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 967) no Hoare annotation was computed. [2021-11-07 02:10:23,792 INFO L853 garLoopResultBuilder]: At program point L671(lines 666 674) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~0 (_ bv0 32))) (.cse3 (= ULTIMATE.start_activatePump_~tmp~7 (_ bv0 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32))) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse7 (= ~systemActive~0 (_ bv1 32)))) (or (and (= ULTIMATE.start_processEnvironment_~tmp~6 (_ bv0 32)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse2 (not (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse4 (not (= ~waterLevel~0 (_ bv2 32))) .cse6 .cse7 (= (_ bv0 32) ~pumpRunning~0)) (and .cse0 .cse1 .cse2 (not (bvslt ~waterLevel~0 (_ bv2 32))) .cse3 .cse4 .cse5 .cse6 .cse7))) [2021-11-07 02:10:23,792 INFO L853 garLoopResultBuilder]: At program point L671-1(lines 666 674) the Hoare annotation is: false [2021-11-07 02:10:23,792 INFO L853 garLoopResultBuilder]: At program point L671-2(lines 666 674) the Hoare annotation is: false [2021-11-07 02:10:23,792 INFO L857 garLoopResultBuilder]: For program point L936(lines 936 949) no Hoare annotation was computed. [2021-11-07 02:10:23,792 INFO L853 garLoopResultBuilder]: At program point L639(lines 634 642) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ULTIMATE.start_activatePump_~tmp~7 (_ bv0 32))) (.cse3 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse3) (and .cse0 .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))))) [2021-11-07 02:10:23,793 INFO L853 garLoopResultBuilder]: At program point L639-1(lines 634 642) the Hoare annotation is: false [2021-11-07 02:10:23,793 INFO L853 garLoopResultBuilder]: At program point L639-2(lines 634 642) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 (_ bv2 32)))) (let ((.cse11 (not (bvslt ~waterLevel~0 (_ bv2 32)))) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse12 (not .cse2)) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse13 (not (= ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~5 (_ bv0 32)))) (.cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= (_ bv1 32) ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~5)) (.cse6 (= ~systemActive~0 (_ bv1 32))) (.cse7 (= |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv0 32))) (.cse8 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv0 32))) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv1 32))) (.cse14 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse15 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse10 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse1 .cse11 .cse12 .cse6 .cse13 .cse14 .cse15 .cse10) (and .cse1 .cse11 .cse3 .cse12 .cse5 .cse6 .cse13 .cse10) (and .cse0 .cse1 .cse2 .cse4 .cse6 .cse7 .cse8 .cse9 .cse14 .cse15 .cse10)))) [2021-11-07 02:10:23,793 INFO L853 garLoopResultBuilder]: At program point L639-3(lines 634 642) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse11 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32))) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse8 (= ULTIMATE.start_processEnvironment_~tmp~6 (_ bv0 32))) (.cse9 (= (_ bv1 32) ~pumpRunning~0)) (.cse10 (= ULTIMATE.start_activatePump_~tmp~7 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse12 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32))) (.cse4 (= ~systemActive~0 (_ bv1 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse4 .cse6 .cse7 .cse5) (and .cse8 .cse0 .cse9 .cse10 .cse1 .cse11 .cse3 .cse4) (and .cse0 .cse9 (not (bvslt ~waterLevel~0 (_ bv2 32))) .cse10 .cse1 .cse11 .cse3 .cse4) (and .cse8 .cse0 .cse9 .cse10 .cse12 .cse4 .cse6 .cse7) (and .cse0 .cse12 .cse4 .cse6 .cse7 .cse5))) [2021-11-07 02:10:23,793 INFO L853 garLoopResultBuilder]: At program point L639-4(lines 634 642) the Hoare annotation is: false [2021-11-07 02:10:23,793 INFO L853 garLoopResultBuilder]: At program point L639-5(lines 634 642) the Hoare annotation is: false [2021-11-07 02:10:23,793 INFO L853 garLoopResultBuilder]: At program point L639-6(lines 634 642) the Hoare annotation is: false [2021-11-07 02:10:23,793 INFO L853 garLoopResultBuilder]: At program point L639-7(lines 634 642) the Hoare annotation is: false [2021-11-07 02:10:23,793 INFO L853 garLoopResultBuilder]: At program point L639-8(lines 634 642) the Hoare annotation is: false [2021-11-07 02:10:23,794 INFO L853 garLoopResultBuilder]: At program point L639-9(lines 634 642) the Hoare annotation is: false [2021-11-07 02:10:23,794 INFO L853 garLoopResultBuilder]: At program point L639-10(lines 634 642) the Hoare annotation is: false [2021-11-07 02:10:23,794 INFO L853 garLoopResultBuilder]: At program point L639-11(lines 634 642) the Hoare annotation is: false [2021-11-07 02:10:23,794 INFO L857 garLoopResultBuilder]: For program point L508(lines 508 512) no Hoare annotation was computed. [2021-11-07 02:10:23,794 INFO L857 garLoopResultBuilder]: For program point L508-1(lines 700 706) no Hoare annotation was computed. [2021-11-07 02:10:23,794 INFO L853 garLoopResultBuilder]: At program point L707(lines 707 713) the Hoare annotation is: (let ((.cse5 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32))) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse0 (= ULTIMATE.start_processEnvironment_~tmp~6 (_ bv0 32))) (.cse2 (= (_ bv1 32) ~pumpRunning~0)) (.cse3 (= ULTIMATE.start_activatePump_~tmp~7 (_ bv0 32))) (.cse8 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32))) (.cse9 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse10 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse11 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse7 (= ~systemActive~0 (_ bv1 32))) (.cse12 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse1 .cse2 (not (bvslt ~waterLevel~0 (_ bv2 32))) .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse8 .cse7 .cse9 .cse10) (and .cse1 .cse11 .cse7 .cse9 .cse12) (and .cse1 .cse8 .cse7 .cse9 .cse10 .cse12) (and .cse1 .cse4 .cse11 .cse7 .cse12))) [2021-11-07 02:10:23,794 INFO L853 garLoopResultBuilder]: At program point L707-1(lines 707 713) the Hoare annotation is: false [2021-11-07 02:10:23,794 INFO L853 garLoopResultBuilder]: At program point L707-2(lines 707 713) the Hoare annotation is: false [2021-11-07 02:10:23,794 INFO L853 garLoopResultBuilder]: At program point L113(lines 1 970) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 02:10:23,794 INFO L857 garLoopResultBuilder]: For program point L907(lines 906 953) no Hoare annotation was computed. [2021-11-07 02:10:23,794 INFO L857 garLoopResultBuilder]: For program point L908(lines 908 912) no Hoare annotation was computed. [2021-11-07 02:10:23,795 INFO L857 garLoopResultBuilder]: For program point L579(lines 579 586) no Hoare annotation was computed. [2021-11-07 02:10:23,795 INFO L860 garLoopResultBuilder]: At program point L579-1(lines 579 586) the Hoare annotation is: true [2021-11-07 02:10:23,795 INFO L857 garLoopResultBuilder]: For program point L877(lines 877 881) no Hoare annotation was computed. [2021-11-07 02:10:23,795 INFO L857 garLoopResultBuilder]: For program point L877-2(lines 877 881) no Hoare annotation was computed. [2021-11-07 02:10:23,795 INFO L857 garLoopResultBuilder]: For program point L877-3(lines 877 881) no Hoare annotation was computed. [2021-11-07 02:10:23,795 INFO L857 garLoopResultBuilder]: For program point L877-5(lines 877 881) no Hoare annotation was computed. [2021-11-07 02:10:23,795 INFO L857 garLoopResultBuilder]: For program point L679(lines 679 685) no Hoare annotation was computed. [2021-11-07 02:10:23,795 INFO L857 garLoopResultBuilder]: For program point L877-6(lines 877 881) no Hoare annotation was computed. [2021-11-07 02:10:23,795 INFO L857 garLoopResultBuilder]: For program point L679-1(lines 679 685) no Hoare annotation was computed. [2021-11-07 02:10:23,795 INFO L857 garLoopResultBuilder]: For program point L679-2(lines 679 685) no Hoare annotation was computed. [2021-11-07 02:10:23,795 INFO L857 garLoopResultBuilder]: For program point L877-8(lines 877 881) no Hoare annotation was computed. [2021-11-07 02:10:23,795 INFO L857 garLoopResultBuilder]: For program point L679-3(lines 679 685) no Hoare annotation was computed. [2021-11-07 02:10:23,795 INFO L857 garLoopResultBuilder]: For program point L877-9(lines 877 881) no Hoare annotation was computed. [2021-11-07 02:10:23,795 INFO L857 garLoopResultBuilder]: For program point L679-4(lines 679 685) no Hoare annotation was computed. [2021-11-07 02:10:23,796 INFO L857 garLoopResultBuilder]: For program point L877-11(lines 877 881) no Hoare annotation was computed. [2021-11-07 02:10:23,796 INFO L857 garLoopResultBuilder]: For program point L679-5(lines 679 685) no Hoare annotation was computed. [2021-11-07 02:10:23,796 INFO L857 garLoopResultBuilder]: For program point L877-12(lines 877 881) no Hoare annotation was computed. [2021-11-07 02:10:23,796 INFO L857 garLoopResultBuilder]: For program point L877-14(lines 877 881) no Hoare annotation was computed. [2021-11-07 02:10:23,796 INFO L857 garLoopResultBuilder]: For program point L877-15(lines 877 881) no Hoare annotation was computed. [2021-11-07 02:10:23,796 INFO L857 garLoopResultBuilder]: For program point L877-17(lines 877 881) no Hoare annotation was computed. [2021-11-07 02:10:23,796 INFO L857 garLoopResultBuilder]: For program point L944(lines 944 948) no Hoare annotation was computed. [2021-11-07 02:10:23,796 INFO L853 garLoopResultBuilder]: At program point L944-2(lines 700 706) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse6 (not (bvslt ~waterLevel~0 (_ bv2 32)))) (.cse8 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32))) (.cse9 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse10 (= ULTIMATE.start_processEnvironment_~tmp~6 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= (_ bv1 32) ~pumpRunning~0)) (.cse7 (= ULTIMATE.start_activatePump_~tmp~7 (_ bv0 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse4 .cse3) (and .cse0 .cse5 .cse6 .cse7 .cse8 .cse9 .cse2 .cse4) (and .cse10 .cse0 .cse5 .cse7 .cse2 .cse4) (and .cse0 .cse5 .cse6 .cse7 .cse1 .cse8 .cse9 .cse2) (and .cse10 .cse0 .cse5 .cse7 .cse1 .cse2))) [2021-11-07 02:10:23,796 INFO L857 garLoopResultBuilder]: For program point L614(lines 614 618) no Hoare annotation was computed. [2021-11-07 02:10:23,796 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 02:10:23,796 INFO L853 garLoopResultBuilder]: At program point L121(lines 116 124) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 02:10:23,796 INFO L853 garLoopResultBuilder]: At program point L684(lines 675 688) the Hoare annotation is: false [2021-11-07 02:10:23,797 INFO L853 garLoopResultBuilder]: At program point L684-1(lines 675 688) the Hoare annotation is: (let ((.cse1 (not (bvslt ~waterLevel~0 (_ bv2 32)))) (.cse3 (= |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv0 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse7 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse8 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse2 .cse3 .cse5) (and .cse0 .cse7 .cse8 .cse2 .cse4 .cse5) (and .cse0 .cse7 .cse6 .cse8 .cse2 .cse5))) [2021-11-07 02:10:23,797 INFO L853 garLoopResultBuilder]: At program point L684-2(lines 675 688) the Hoare annotation is: false [2021-11-07 02:10:23,797 INFO L853 garLoopResultBuilder]: At program point L684-3(lines 675 688) the Hoare annotation is: false [2021-11-07 02:10:23,797 INFO L853 garLoopResultBuilder]: At program point L684-4(lines 675 688) the Hoare annotation is: false [2021-11-07 02:10:23,797 INFO L853 garLoopResultBuilder]: At program point L684-5(lines 675 688) the Hoare annotation is: false [2021-11-07 02:10:23,797 INFO L857 garLoopResultBuilder]: For program point L916(lines 916 922) no Hoare annotation was computed. [2021-11-07 02:10:23,797 INFO L853 garLoopResultBuilder]: At program point L916-1(lines 916 922) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse7 (= ULTIMATE.start_processEnvironment_~tmp~6 (_ bv0 32))) (.cse4 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~0 (_ bv1 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse8 (= (_ bv1 32) ~pumpRunning~0)) (.cse9 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~0 (_ bv0 32))) (.cse10 (= ULTIMATE.start_activatePump_~tmp~7 (_ bv0 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse11 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32))) (.cse12 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse5 .cse6 .cse3) (and .cse7 .cse0 .cse8 .cse9 .cse10 .cse1 .cse11 .cse12 .cse2) (and .cse0 .cse9 .cse1 .cse12 .cse2 .cse3) (and .cse0 .cse1 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3) (and .cse7 .cse0 .cse8 .cse10 .cse4 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) .cse2 .cse5 .cse6) (and .cse0 .cse8 .cse9 (not (bvslt ~waterLevel~0 (_ bv2 32))) .cse10 .cse1 .cse11 .cse12 .cse2))) [2021-11-07 02:10:23,797 INFO L853 garLoopResultBuilder]: At program point L883(lines 868 886) the Hoare annotation is: false [2021-11-07 02:10:23,798 INFO L853 garLoopResultBuilder]: At program point L883-1(lines 868 886) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse2 (not (bvslt ~waterLevel~0 (_ bv2 32)))) (.cse13 (= |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv0 32))) (.cse14 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv0 32))) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv1 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse8 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse12 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32))) (.cse4 (= ~systemActive~0 (_ bv1 32))) (.cse10 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse11 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv1 32))) (.cse7 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse1 .cse8 .cse3 .cse9 .cse4 .cse10 .cse6 .cse11 .cse7) (and .cse0 .cse1 .cse2 .cse12 .cse3 .cse4 .cse5 .cse7) (and .cse0 .cse1 .cse2 .cse12 .cse4 .cse13 .cse14 .cse5 .cse7) (and .cse0 .cse1 .cse2 .cse4 .cse13 .cse14 .cse5 .cse6 .cse7) (and .cse1 .cse8 .cse12 .cse3 .cse9 .cse4 .cse10 .cse11 .cse7))) [2021-11-07 02:10:23,798 INFO L853 garLoopResultBuilder]: At program point L883-2(lines 868 886) the Hoare annotation is: false [2021-11-07 02:10:23,798 INFO L853 garLoopResultBuilder]: At program point L883-3(lines 868 886) the Hoare annotation is: false [2021-11-07 02:10:23,798 INFO L853 garLoopResultBuilder]: At program point L883-4(lines 868 886) the Hoare annotation is: false [2021-11-07 02:10:23,798 INFO L853 garLoopResultBuilder]: At program point L883-5(lines 868 886) the Hoare annotation is: false [2021-11-07 02:10:23,798 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 02:10:23,798 INFO L853 garLoopResultBuilder]: At program point L819(lines 812 822) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ULTIMATE.start_activatePump_~tmp~7 (_ bv0 32))) (.cse3 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse3) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) .cse3 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))))) [2021-11-07 02:10:23,798 INFO L853 garLoopResultBuilder]: At program point L819-1(lines 812 822) the Hoare annotation is: false [2021-11-07 02:10:23,798 INFO L853 garLoopResultBuilder]: At program point L819-2(lines 812 822) the Hoare annotation is: (let ((.cse17 (= ~waterLevel~0 (_ bv2 32)))) (let ((.cse9 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32))) (.cse11 (= (_ bv1 32) ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~5)) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse12 (= |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv0 32))) (.cse13 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv0 32))) (.cse14 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (bvslt ~waterLevel~0 (_ bv2 32)))) (.cse3 (not .cse17)) (.cse10 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32))) (.cse6 (= ~systemActive~0 (_ bv1 32))) (.cse7 (not (= ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~5 (_ bv0 32)))) (.cse15 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse16 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse8 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse0 .cse1 .cse10 .cse11 .cse6 .cse12 .cse13 .cse14 .cse15 .cse16 .cse8) (and .cse9 .cse0 .cse17 .cse2 .cse4 .cse11 .cse5 .cse6 .cse12 .cse13 .cse14 .cse8) (and .cse0 .cse1 .cse3 .cse10 .cse6 .cse7 .cse15 .cse16 .cse8)))) [2021-11-07 02:10:23,799 INFO L853 garLoopResultBuilder]: At program point L819-3(lines 812 822) the Hoare annotation is: false [2021-11-07 02:10:23,799 INFO L853 garLoopResultBuilder]: At program point L819-4(lines 812 822) the Hoare annotation is: false [2021-11-07 02:10:23,799 INFO L853 garLoopResultBuilder]: At program point L819-5(lines 812 822) the Hoare annotation is: false [2021-11-07 02:10:23,799 INFO L853 garLoopResultBuilder]: At program point L819-6(lines 812 822) the Hoare annotation is: false [2021-11-07 02:10:23,799 INFO L853 garLoopResultBuilder]: At program point L819-7(lines 812 822) the Hoare annotation is: false [2021-11-07 02:10:23,799 INFO L860 garLoopResultBuilder]: At program point L588(lines 569 591) the Hoare annotation is: true [2021-11-07 02:10:23,799 INFO L853 garLoopResultBuilder]: At program point L555(lines 551 557) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 02:10:23,799 INFO L853 garLoopResultBuilder]: At program point L819-8(lines 812 822) the Hoare annotation is: false [2021-11-07 02:10:23,799 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 02:10:23,799 INFO L853 garLoopResultBuilder]: At program point L954(lines 905 955) the Hoare annotation is: false [2021-11-07 02:10:23,799 INFO L857 garLoopResultBuilder]: For program point L63(lines 63 83) no Hoare annotation was computed. [2021-11-07 02:10:23,800 INFO L857 garLoopResultBuilder]: For program point L63-2(lines 63 83) no Hoare annotation was computed. [2021-11-07 02:10:23,800 INFO L857 garLoopResultBuilder]: For program point L63-4(lines 63 83) no Hoare annotation was computed. [2021-11-07 02:10:23,800 INFO L857 garLoopResultBuilder]: For program point L758(lines 758 775) no Hoare annotation was computed. [2021-11-07 02:10:23,800 INFO L857 garLoopResultBuilder]: For program point L758-1(lines 758 775) no Hoare annotation was computed. [2021-11-07 02:10:23,800 INFO L857 garLoopResultBuilder]: For program point L758-2(lines 758 775) no Hoare annotation was computed. [2021-11-07 02:10:23,800 INFO L857 garLoopResultBuilder]: For program point L626(lines 626 630) no Hoare annotation was computed. [2021-11-07 02:10:23,800 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 02:10:23,801 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 967) no Hoare annotation was computed. [2021-11-07 02:10:23,801 INFO L857 garLoopResultBuilder]: For program point L926(lines 926 932) no Hoare annotation was computed. [2021-11-07 02:10:23,801 INFO L853 garLoopResultBuilder]: At program point L926-1(lines 926 932) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse6 (not (bvslt ~waterLevel~0 (_ bv2 32)))) (.cse8 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32))) (.cse9 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse10 (= ULTIMATE.start_processEnvironment_~tmp~6 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= (_ bv1 32) ~pumpRunning~0)) (.cse7 (= ULTIMATE.start_activatePump_~tmp~7 (_ bv0 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse4 .cse3) (and .cse0 .cse5 .cse6 .cse7 .cse8 .cse9 .cse2 .cse4) (and .cse10 .cse0 .cse5 .cse7 .cse2 .cse4) (and .cse0 .cse5 .cse6 .cse7 .cse1 .cse8 .cse9 .cse2) (and .cse10 .cse0 .cse5 .cse7 .cse1 .cse2))) [2021-11-07 02:10:23,801 INFO L857 garLoopResultBuilder]: For program point L794(lines 794 800) no Hoare annotation was computed. [2021-11-07 02:10:23,801 INFO L857 garLoopResultBuilder]: For program point L794-2(lines 794 800) no Hoare annotation was computed. [2021-11-07 02:10:23,802 INFO L857 garLoopResultBuilder]: For program point L794-4(lines 794 800) no Hoare annotation was computed. [2021-11-07 02:10:23,802 INFO L857 garLoopResultBuilder]: For program point L794-6(lines 794 800) no Hoare annotation was computed. [2021-11-07 02:10:23,802 INFO L857 garLoopResultBuilder]: For program point L794-8(lines 794 800) no Hoare annotation was computed. [2021-11-07 02:10:23,802 INFO L857 garLoopResultBuilder]: For program point L794-10(lines 794 800) no Hoare annotation was computed. [2021-11-07 02:10:23,805 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:10:23,807 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 02:10:23,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 02:10:23 BoogieIcfgContainer [2021-11-07 02:10:23,867 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 02:10:23,868 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 02:10:23,868 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 02:10:23,869 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 02:10:23,869 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:08:52" (3/4) ... [2021-11-07 02:10:23,873 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 02:10:23,910 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-11-07 02:10:23,912 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-07 02:10:23,913 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-07 02:10:23,915 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-07 02:10:23,916 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-07 02:10:23,917 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 02:10:23,919 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 02:10:23,952 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((splverifierCounter == 0bv32 && tmp == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || ((((((((tmp == 0bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp == 0bv32) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && tmp == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && tmp == 0bv32) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((((((tmp == 0bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp == 0bv32) && tmp == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) [2021-11-07 02:10:23,953 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && tmp == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((((tmp == 0bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp == 0bv32) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32)) || (((((splverifierCounter == 0bv32 && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((tmp == 0bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp == 0bv32) && tmp == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) [2021-11-07 02:10:23,954 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32)) || (((((tmp == 0bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32)) || (((((tmp == 0bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) [2021-11-07 02:10:23,955 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32)) || (((((tmp == 0bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32)) || (((((tmp == 0bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) [2021-11-07 02:10:23,955 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((tmp == 0bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32)) || (((((tmp == 0bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !~bvslt32(~bvadd64(waterLevel, 1bv32), 2bv32)) && \result == 0bv32) && systemActive == 1bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && \result == 0bv32) && !~bvslt32(~bvadd64(waterLevel, 1bv32), 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) [2021-11-07 02:10:23,956 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((tmp == 0bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32)) || (((((((tmp == 0bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 02:10:23,959 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((tmp == 0bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32)) || (((((((tmp == 0bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 02:10:23,960 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) [2021-11-07 02:10:23,961 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) [2021-11-07 02:10:23,961 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && systemActive == 1bv32) && \result == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 02:10:23,961 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 0bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp == 0bv32) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) || (((((((splverifierCounter == 0bv32 && tmp == 0bv32) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) [2021-11-07 02:10:23,969 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || ((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && !(waterLevel == 2bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && methaneLevelCritical == 1bv32) && tmp == 1bv32) && 0bv32 == pumpRunning)) || (((((((\result == 1bv32 && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && tmp___0 == 1bv32) && 0bv32 == pumpRunning)) || ((((((((\result == 1bv32 && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp == 0bv32) && tmp___0 == 1bv32) && 0bv32 == pumpRunning)) || ((((((((\result == 1bv32 && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && systemActive == 1bv32) && \result == 0bv32) && tmp == 0bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 02:10:23,970 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((splverifierCounter == 0bv32 && 2bv32 == tmp___0) && 1bv32 == pumpRunning) && tmp == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 1bv32 == \result) || ((((((((((tmp == 0bv32 && splverifierCounter == 0bv32) && 2bv32 == tmp___0) && 1bv32 == pumpRunning) && tmp == 0bv32) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 1bv32 == \result) [2021-11-07 02:10:23,973 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && 1bv32 == tmp) && \result == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp == 0bv32) && tmp___0 == 1bv32) && 0bv32 == pumpRunning) || (((((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && !(tmp == 0bv32)) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning)) || ((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && 1bv32 == tmp) && systemActive == 1bv32) && \result == 0bv32) && tmp == 0bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 02:10:23,974 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning) || (((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && \result == 1bv32) && 1bv32 == tmp) && systemActive == 1bv32) && \result == 0bv32) && tmp == 0bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && 1bv32 == tmp) && \result == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp == 0bv32) && tmp___0 == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && !(waterLevel == 2bv32)) && \result == 1bv32) && systemActive == 1bv32) && !(tmp == 0bv32)) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 02:10:24,065 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 02:10:24,066 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 02:10:24,067 INFO L168 Benchmark]: Toolchain (without parser) took 95375.98 ms. Allocated memory was 67.1 MB in the beginning and 539.0 MB in the end (delta: 471.9 MB). Free memory was 44.0 MB in the beginning and 195.0 MB in the end (delta: -151.0 MB). Peak memory consumption was 321.9 MB. Max. memory is 16.1 GB. [2021-11-07 02:10:24,068 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 52.4 MB. Free memory was 32.6 MB in the beginning and 32.5 MB in the end (delta: 41.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 02:10:24,069 INFO L168 Benchmark]: CACSL2BoogieTranslator took 785.55 ms. Allocated memory is still 67.1 MB. Free memory was 43.9 MB in the beginning and 34.9 MB in the end (delta: 8.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 02:10:24,069 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.11 ms. Allocated memory is still 67.1 MB. Free memory was 34.9 MB in the beginning and 31.0 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 02:10:24,070 INFO L168 Benchmark]: Boogie Preprocessor took 130.92 ms. Allocated memory is still 67.1 MB. Free memory was 31.0 MB in the beginning and 47.2 MB in the end (delta: -16.3 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. [2021-11-07 02:10:24,070 INFO L168 Benchmark]: RCFGBuilder took 3033.62 ms. Allocated memory was 67.1 MB in the beginning and 100.7 MB in the end (delta: 33.6 MB). Free memory was 47.2 MB in the beginning and 62.6 MB in the end (delta: -15.3 MB). Peak memory consumption was 25.4 MB. Max. memory is 16.1 GB. [2021-11-07 02:10:24,071 INFO L168 Benchmark]: TraceAbstraction took 91121.77 ms. Allocated memory was 100.7 MB in the beginning and 539.0 MB in the end (delta: 438.3 MB). Free memory was 62.0 MB in the beginning and 206.5 MB in the end (delta: -144.5 MB). Peak memory consumption was 324.3 MB. Max. memory is 16.1 GB. [2021-11-07 02:10:24,072 INFO L168 Benchmark]: Witness Printer took 197.79 ms. Allocated memory is still 539.0 MB. Free memory was 206.5 MB in the beginning and 195.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-07 02:10:24,075 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 52.4 MB. Free memory was 32.6 MB in the beginning and 32.5 MB in the end (delta: 41.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 785.55 ms. Allocated memory is still 67.1 MB. Free memory was 43.9 MB in the beginning and 34.9 MB in the end (delta: 8.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 94.11 ms. Allocated memory is still 67.1 MB. Free memory was 34.9 MB in the beginning and 31.0 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 130.92 ms. Allocated memory is still 67.1 MB. Free memory was 31.0 MB in the beginning and 47.2 MB in the end (delta: -16.3 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3033.62 ms. Allocated memory was 67.1 MB in the beginning and 100.7 MB in the end (delta: 33.6 MB). Free memory was 47.2 MB in the beginning and 62.6 MB in the end (delta: -15.3 MB). Peak memory consumption was 25.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 91121.77 ms. Allocated memory was 100.7 MB in the beginning and 539.0 MB in the end (delta: 438.3 MB). Free memory was 62.0 MB in the beginning and 206.5 MB in the end (delta: -144.5 MB). Peak memory consumption was 324.3 MB. Max. memory is 16.1 GB. * Witness Printer took 197.79 ms. Allocated memory is still 539.0 MB. Free memory was 206.5 MB in the beginning and 195.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 967]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 967]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 967]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 135 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 90.9s, OverallIterations: 17, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 13.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 61.6s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 2112 SDtfs, 4086 SDslu, 5430 SDs, 0 SdLazy, 828 SolverSat, 139 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1404 GetRequests, 1282 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=867occurred in iteration=13, InterpolantAutomatonStates: 130, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 17 MinimizatonAttempts, 6149 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 58 PreInvPairs, 445 NumberOfFragments, 1780 HoareAnnotationTreeSize, 58 FomulaSimplifications, 1094280906 FormulaSimplificationTreeSizeReduction, 18.1s HoareSimplificationTime, 58 FomulaSimplificationsInter, 50661537 FormulaSimplificationTreeSizeReductionInter, 43.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 684 NumberOfCodeBlocks, 684 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1334 ConstructedInterpolants, 0 QuantifiedInterpolants, 2416 SizeOfPredicates, 42 NumberOfNonLiveVariables, 3855 ConjunctsInSsa, 75 ConjunctsInUnsatCore, 34 InterpolantComputations, 34 PerfectInterpolantSequences, 218/218 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: 707]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 675]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && tmp == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((((tmp == 0bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp == 0bv32) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32)) || (((((splverifierCounter == 0bv32 && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((tmp == 0bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp == 0bv32) && tmp == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) - InvariantResult [Line: 675]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: (((((((((((tmp == 0bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32)) || (((((((tmp == 0bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: ((((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && 1bv32 == tmp) && \result == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp == 0bv32) && tmp___0 == 1bv32) && 0bv32 == pumpRunning) || (((((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && !(tmp == 0bv32)) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning)) || ((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && 1bv32 == tmp) && systemActive == 1bv32) && \result == 0bv32) && tmp == 0bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 675]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && systemActive == 1bv32) && \result == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: (((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || ((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && !(waterLevel == 2bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && methaneLevelCritical == 1bv32) && tmp == 1bv32) && 0bv32 == pumpRunning)) || (((((((\result == 1bv32 && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && tmp___0 == 1bv32) && 0bv32 == pumpRunning)) || ((((((((\result == 1bv32 && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp == 0bv32) && tmp___0 == 1bv32) && 0bv32 == pumpRunning)) || ((((((((\result == 1bv32 && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && systemActive == 1bv32) && \result == 0bv32) && tmp == 0bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: ((((((((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning) || (((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && \result == 1bv32) && 1bv32 == tmp) && systemActive == 1bv32) && \result == 0bv32) && tmp == 0bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && 1bv32 == tmp) && \result == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp == 0bv32) && tmp___0 == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && !(waterLevel == 2bv32)) && \result == 1bv32) && systemActive == 1bv32) && !(tmp == 0bv32)) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((tmp == 0bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32)) || (((((((tmp == 0bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32)) || (((((tmp == 0bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32)) || (((((tmp == 0bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: (((((((((tmp == 0bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp == 0bv32) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) || (((((((splverifierCounter == 0bv32 && tmp == 0bv32) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32)) || (((((tmp == 0bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32)) || (((((tmp == 0bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: ((((((((((splverifierCounter == 0bv32 && 2bv32 == tmp___0) && 1bv32 == pumpRunning) && tmp == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 1bv32 == \result) || ((((((((((tmp == 0bv32 && splverifierCounter == 0bv32) && 2bv32 == tmp___0) && 1bv32 == pumpRunning) && tmp == 0bv32) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 1bv32 == \result) - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((tmp == 0bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32)) || (((((tmp == 0bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !~bvslt32(~bvadd64(waterLevel, 1bv32), 2bv32)) && \result == 0bv32) && systemActive == 1bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && \result == 0bv32) && !~bvslt32(~bvadd64(waterLevel, 1bv32), 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((((splverifierCounter == 0bv32 && tmp == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || ((((((((tmp == 0bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp == 0bv32) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && tmp == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && tmp == 0bv32) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((((((tmp == 0bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp == 0bv32) && tmp == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 675]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 675]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 675]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-07 02:10:24,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73017a19-40e2-466c-b7db-a6f3b0dd1d44/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