./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f8d11b-1af6-47d4-9bde-2b90cfc390cf/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f8d11b-1af6-47d4-9bde-2b90cfc390cf/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f8d11b-1af6-47d4-9bde-2b90cfc390cf/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f8d11b-1af6-47d4-9bde-2b90cfc390cf/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f8d11b-1af6-47d4-9bde-2b90cfc390cf/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f8d11b-1af6-47d4-9bde-2b90cfc390cf/bin/uautomizer-WNIpwEf4Nt --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash be57a8909169924934bb5133fe0a47f53bebc905 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:00:15,219 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:00:15,222 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:00:15,255 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:00:15,255 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:00:15,257 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:00:15,264 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:00:15,268 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:00:15,270 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:00:15,276 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:00:15,277 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:00:15,279 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:00:15,280 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:00:15,283 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:00:15,286 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:00:15,288 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:00:15,293 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:00:15,294 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:00:15,299 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:00:15,307 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:00:15,309 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:00:15,310 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:00:15,314 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:00:15,315 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:00:15,324 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:00:15,325 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:00:15,325 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:00:15,327 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:00:15,328 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:00:15,330 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:00:15,331 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:00:15,332 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:00:15,334 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:00:15,336 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:00:15,338 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:00:15,338 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:00:15,339 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:00:15,340 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:00:15,340 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:00:15,341 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:00:15,342 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:00:15,343 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f8d11b-1af6-47d4-9bde-2b90cfc390cf/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-13 00:00:15,392 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:00:15,394 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:00:15,394 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:00:15,395 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:00:15,396 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:00:15,396 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:00:15,397 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:00:15,397 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:00:15,397 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:00:15,398 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:00:15,399 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:00:15,399 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:00:15,399 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 00:00:15,399 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:00:15,400 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 00:00:15,400 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:00:15,400 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:00:15,400 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:00:15,401 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 00:00:15,401 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:00:15,401 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:00:15,401 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:00:15,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:00:15,402 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:00:15,402 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:00:15,402 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 00:00:15,403 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:00:15,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 00:00:15,403 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 00:00:15,405 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:00:15,405 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_15f8d11b-1af6-47d4-9bde-2b90cfc390cf/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f8d11b-1af6-47d4-9bde-2b90cfc390cf/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be57a8909169924934bb5133fe0a47f53bebc905 [2021-10-13 00:00:15,673 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:00:15,697 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:00:15,700 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:00:15,701 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:00:15,702 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:00:15,703 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f8d11b-1af6-47d4-9bde-2b90cfc390cf/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c [2021-10-13 00:00:15,786 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f8d11b-1af6-47d4-9bde-2b90cfc390cf/bin/uautomizer-WNIpwEf4Nt/data/cb5300889/2cca34ee3a424f69ada593c68b9e202f/FLAG52f8dcc2f [2021-10-13 00:00:16,318 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:00:16,318 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f8d11b-1af6-47d4-9bde-2b90cfc390cf/sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c [2021-10-13 00:00:16,333 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f8d11b-1af6-47d4-9bde-2b90cfc390cf/bin/uautomizer-WNIpwEf4Nt/data/cb5300889/2cca34ee3a424f69ada593c68b9e202f/FLAG52f8dcc2f [2021-10-13 00:00:16,649 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f8d11b-1af6-47d4-9bde-2b90cfc390cf/bin/uautomizer-WNIpwEf4Nt/data/cb5300889/2cca34ee3a424f69ada593c68b9e202f [2021-10-13 00:00:16,651 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:00:16,653 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:00:16,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:00:16,658 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:00:16,661 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:00:16,662 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:00:16" (1/1) ... [2021-10-13 00:00:16,663 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bd46d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:16, skipping insertion in model container [2021-10-13 00:00:16,663 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:00:16" (1/1) ... [2021-10-13 00:00:16,670 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:00:16,711 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:00:17,029 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_15f8d11b-1af6-47d4-9bde-2b90cfc390cf/sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c[18004,18017] [2021-10-13 00:00:17,032 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:00:17,042 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:00:17,156 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_15f8d11b-1af6-47d4-9bde-2b90cfc390cf/sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c[18004,18017] [2021-10-13 00:00:17,162 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:00:17,194 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:00:17,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:17 WrapperNode [2021-10-13 00:00:17,195 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:00:17,196 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:00:17,197 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:00:17,197 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:00:17,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:17" (1/1) ... [2021-10-13 00:00:17,222 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:17" (1/1) ... [2021-10-13 00:00:17,269 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:00:17,270 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:00:17,271 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:00:17,271 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:00:17,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:17" (1/1) ... [2021-10-13 00:00:17,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:17" (1/1) ... [2021-10-13 00:00:17,283 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:17" (1/1) ... [2021-10-13 00:00:17,283 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:17" (1/1) ... [2021-10-13 00:00:17,296 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:17" (1/1) ... [2021-10-13 00:00:17,304 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:17" (1/1) ... [2021-10-13 00:00:17,307 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:17" (1/1) ... [2021-10-13 00:00:17,312 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:00:17,312 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:00:17,313 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:00:17,313 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:00:17,314 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:17" (1/1) ... [2021-10-13 00:00:17,330 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:00:17,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f8d11b-1af6-47d4-9bde-2b90cfc390cf/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:17,358 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f8d11b-1af6-47d4-9bde-2b90cfc390cf/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:17,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f8d11b-1af6-47d4-9bde-2b90cfc390cf/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 00:00:17,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:00:17,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:00:17,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:00:17,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:00:18,221 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:00:18,222 INFO L299 CfgBuilder]: Removed 160 assume(true) statements. [2021-10-13 00:00:18,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:00:18 BoogieIcfgContainer [2021-10-13 00:00:18,224 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:00:18,226 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 00:00:18,227 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 00:00:18,233 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 00:00:18,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:00:16" (1/3) ... [2021-10-13 00:00:18,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@159177c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:00:18, skipping insertion in model container [2021-10-13 00:00:18,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:17" (2/3) ... [2021-10-13 00:00:18,235 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@159177c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:00:18, skipping insertion in model container [2021-10-13 00:00:18,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:00:18" (3/3) ... [2021-10-13 00:00:18,237 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product31.cil.c [2021-10-13 00:00:18,244 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 00:00:18,244 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-13 00:00:18,303 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 00:00:18,310 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, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 00:00:18,311 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-13 00:00:18,330 INFO L276 IsEmpty]: Start isEmpty. Operand has 107 states, 103 states have (on average 1.5436893203883495) internal successors, (159), 106 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:00:18,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 00:00:18,346 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:00:18,346 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:00:18,347 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:00:18,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:18,352 INFO L82 PathProgramCache]: Analyzing trace with hash 872829117, now seen corresponding path program 1 times [2021-10-13 00:00:18,359 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:00:18,360 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762154851] [2021-10-13 00:00:18,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:00:18,361 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:00:18,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:00:18,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:00:18,592 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:00:18,592 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762154851] [2021-10-13 00:00:18,593 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762154851] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:00:18,593 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:00:18,611 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:00:18,613 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373352618] [2021-10-13 00:00:18,617 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 00:00:18,622 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:00:18,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 00:00:18,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 00:00:18,638 INFO L87 Difference]: Start difference. First operand has 107 states, 103 states have (on average 1.5436893203883495) internal successors, (159), 106 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:00:18,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:00:18,667 INFO L93 Difference]: Finished difference Result 208 states and 311 transitions. [2021-10-13 00:00:18,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 00:00:18,669 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-13 00:00:18,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:00:18,679 INFO L225 Difference]: With dead ends: 208 [2021-10-13 00:00:18,679 INFO L226 Difference]: Without dead ends: 103 [2021-10-13 00:00:18,683 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 00:00:18,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2021-10-13 00:00:18,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2021-10-13 00:00:18,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 100 states have (on average 1.47) internal successors, (147), 102 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:00:18,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 147 transitions. [2021-10-13 00:00:18,725 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 147 transitions. Word has length 16 [2021-10-13 00:00:18,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:00:18,725 INFO L470 AbstractCegarLoop]: Abstraction has 103 states and 147 transitions. [2021-10-13 00:00:18,726 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:00:18,726 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 147 transitions. [2021-10-13 00:00:18,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 00:00:18,727 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:00:18,728 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:00:18,728 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 00:00:18,728 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:00:18,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:18,729 INFO L82 PathProgramCache]: Analyzing trace with hash -340316278, now seen corresponding path program 1 times [2021-10-13 00:00:18,729 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:00:18,730 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313195376] [2021-10-13 00:00:18,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:00:18,730 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:00:18,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:00:18,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:00:18,841 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:00:18,842 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313195376] [2021-10-13 00:00:18,842 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313195376] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:00:18,842 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:00:18,842 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:00:18,843 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133613082] [2021-10-13 00:00:18,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:00:18,844 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:00:18,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:00:18,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:00:18,846 INFO L87 Difference]: Start difference. First operand 103 states and 147 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:00:18,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:00:18,857 INFO L93 Difference]: Finished difference Result 103 states and 147 transitions. [2021-10-13 00:00:18,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:00:18,858 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-13 00:00:18,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:00:18,859 INFO L225 Difference]: With dead ends: 103 [2021-10-13 00:00:18,860 INFO L226 Difference]: Without dead ends: 45 [2021-10-13 00:00:18,861 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:00:18,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-10-13 00:00:18,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2021-10-13 00:00:18,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 44 states have (on average 1.4545454545454546) internal successors, (64), 44 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:00:18,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2021-10-13 00:00:18,867 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 17 [2021-10-13 00:00:18,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:00:18,867 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2021-10-13 00:00:18,868 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:00:18,868 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2021-10-13 00:00:18,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-13 00:00:18,869 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:00:18,869 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:00:18,870 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 00:00:18,870 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:00:18,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:18,871 INFO L82 PathProgramCache]: Analyzing trace with hash 1163144762, now seen corresponding path program 1 times [2021-10-13 00:00:18,871 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:00:18,871 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057566965] [2021-10-13 00:00:18,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:00:18,872 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:00:18,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:00:19,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:00:19,008 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:00:19,008 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057566965] [2021-10-13 00:00:19,009 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057566965] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:00:19,009 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:00:19,009 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 00:00:19,010 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937156282] [2021-10-13 00:00:19,010 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 00:00:19,010 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:00:19,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 00:00:19,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-13 00:00:19,012 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:00:19,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:00:19,201 INFO L93 Difference]: Finished difference Result 146 states and 214 transitions. [2021-10-13 00:00:19,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 00:00:19,204 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 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 22 [2021-10-13 00:00:19,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:00:19,206 INFO L225 Difference]: With dead ends: 146 [2021-10-13 00:00:19,209 INFO L226 Difference]: Without dead ends: 107 [2021-10-13 00:00:19,210 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 48.9ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-13 00:00:19,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-10-13 00:00:19,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 64. [2021-10-13 00:00:19,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 63 states have (on average 1.4761904761904763) internal successors, (93), 63 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:00:19,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 93 transitions. [2021-10-13 00:00:19,231 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 93 transitions. Word has length 22 [2021-10-13 00:00:19,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:00:19,232 INFO L470 AbstractCegarLoop]: Abstraction has 64 states and 93 transitions. [2021-10-13 00:00:19,232 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:00:19,233 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 93 transitions. [2021-10-13 00:00:19,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 00:00:19,234 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:00:19,235 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:00:19,235 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-13 00:00:19,235 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:00:19,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:19,237 INFO L82 PathProgramCache]: Analyzing trace with hash -1300420088, now seen corresponding path program 1 times [2021-10-13 00:00:19,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:00:19,237 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416765651] [2021-10-13 00:00:19,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:00:19,238 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:00:19,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:00:19,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:00:19,381 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:00:19,381 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416765651] [2021-10-13 00:00:19,384 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416765651] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:00:19,385 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:00:19,385 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-13 00:00:19,386 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153610560] [2021-10-13 00:00:19,386 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 00:00:19,387 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:00:19,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 00:00:19,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-10-13 00:00:19,388 INFO L87 Difference]: Start difference. First operand 64 states and 93 transitions. Second operand has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:00:19,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:00:19,797 INFO L93 Difference]: Finished difference Result 425 states and 651 transitions. [2021-10-13 00:00:19,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-13 00:00:19,798 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-13 00:00:19,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:00:19,802 INFO L225 Difference]: With dead ends: 425 [2021-10-13 00:00:19,802 INFO L226 Difference]: Without dead ends: 367 [2021-10-13 00:00:19,803 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 134.5ms TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2021-10-13 00:00:19,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2021-10-13 00:00:19,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 166. [2021-10-13 00:00:19,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 165 states have (on average 1.4606060606060607) internal successors, (241), 165 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:00:19,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 241 transitions. [2021-10-13 00:00:19,844 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 241 transitions. Word has length 24 [2021-10-13 00:00:19,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:00:19,844 INFO L470 AbstractCegarLoop]: Abstraction has 166 states and 241 transitions. [2021-10-13 00:00:19,844 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:00:19,845 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 241 transitions. [2021-10-13 00:00:19,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-13 00:00:19,847 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:00:19,847 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:00:19,847 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-13 00:00:19,847 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:00:19,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:19,848 INFO L82 PathProgramCache]: Analyzing trace with hash 1375176786, now seen corresponding path program 1 times [2021-10-13 00:00:19,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:00:19,849 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686229071] [2021-10-13 00:00:19,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:00:19,849 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:00:19,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:00:19,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:00:19,902 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:00:19,902 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686229071] [2021-10-13 00:00:19,902 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686229071] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:00:19,903 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:00:19,903 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:00:19,903 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988436787] [2021-10-13 00:00:19,904 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:00:19,904 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:00:19,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:00:19,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:00:19,905 INFO L87 Difference]: Start difference. First operand 166 states and 241 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:00:19,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:00:19,942 INFO L93 Difference]: Finished difference Result 278 states and 406 transitions. [2021-10-13 00:00:19,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:00:19,946 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-10-13 00:00:19,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:00:19,948 INFO L225 Difference]: With dead ends: 278 [2021-10-13 00:00:19,948 INFO L226 Difference]: Without dead ends: 118 [2021-10-13 00:00:19,949 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:00:19,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2021-10-13 00:00:19,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2021-10-13 00:00:19,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 117 states have (on average 1.3333333333333333) internal successors, (156), 117 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:00:19,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 156 transitions. [2021-10-13 00:00:19,975 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 156 transitions. Word has length 25 [2021-10-13 00:00:19,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:00:19,977 INFO L470 AbstractCegarLoop]: Abstraction has 118 states and 156 transitions. [2021-10-13 00:00:19,977 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:00:19,977 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 156 transitions. [2021-10-13 00:00:19,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-10-13 00:00:19,982 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:00:19,982 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:00:19,983 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-13 00:00:19,983 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:00:19,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:19,984 INFO L82 PathProgramCache]: Analyzing trace with hash 1574439088, now seen corresponding path program 1 times [2021-10-13 00:00:19,984 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:00:19,985 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156188626] [2021-10-13 00:00:19,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:00:19,985 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:00:20,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:00:20,112 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:00:20,112 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:00:20,112 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156188626] [2021-10-13 00:00:20,112 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156188626] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:00:20,113 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1928339596] [2021-10-13 00:00:20,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:00:20,113 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:00:20,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f8d11b-1af6-47d4-9bde-2b90cfc390cf/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:20,119 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f8d11b-1af6-47d4-9bde-2b90cfc390cf/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:00:20,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f8d11b-1af6-47d4-9bde-2b90cfc390cf/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-13 00:00:20,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:00:20,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 00:00:20,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:00:20,529 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:00:20,529 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1928339596] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:00:20,530 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-13 00:00:20,530 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2021-10-13 00:00:20,530 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130953520] [2021-10-13 00:00:20,532 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 00:00:20,539 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:00:20,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:00:20,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:00:20,545 INFO L87 Difference]: Start difference. First operand 118 states and 156 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:00:20,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:00:20,629 INFO L93 Difference]: Finished difference Result 154 states and 205 transitions. [2021-10-13 00:00:20,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 00:00:20,630 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-10-13 00:00:20,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:00:20,630 INFO L225 Difference]: With dead ends: 154 [2021-10-13 00:00:20,630 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 00:00:20,634 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 37.5ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:00:20,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 00:00:20,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 00:00:20,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:00:20,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 00:00:20,635 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2021-10-13 00:00:20,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:00:20,635 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:00:20,636 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:00:20,636 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 00:00:20,636 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 00:00:20,638 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:00:20,639 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:00:20,639 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:00:20,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f8d11b-1af6-47d4-9bde-2b90cfc390cf/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:20,865 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f8d11b-1af6-47d4-9bde-2b90cfc390cf/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:00:20,867 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 00:00:20,870 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:00:20,872 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:00:20,873 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:00:20,874 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:00:20,874 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:00:20,875 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:00:20,879 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:00:20,880 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:00:20,881 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:00:20,898 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:00:20,908 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:00:20,909 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:00:20,910 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:00:20,911 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:00:20,912 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:00:20,912 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:00:20,913 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:00:20,914 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:00:20,929 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:00:20,930 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:00:20,931 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:00:20,944 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:00:20,944 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:00:20,946 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:00:20,953 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:00:20,954 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:00:20,954 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:00:20,955 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:00:20,955 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:00:20,956 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:00:20,957 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:00:20,957 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:00:20,958 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:00:20,958 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:00:20,966 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:00:20,967 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:00:20,968 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:00:20,969 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:00:20,969 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:00:20,979 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:00:20,980 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:00:20,988 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:00:20,989 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:00:20,989 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:00:21,494 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 954) no Hoare annotation was computed. [2021-10-13 00:00:21,494 INFO L853 garLoopResultBuilder]: At program point L168(lines 1 957) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-13 00:00:21,494 INFO L857 garLoopResultBuilder]: For program point L897(lines 897 901) no Hoare annotation was computed. [2021-10-13 00:00:21,495 INFO L857 garLoopResultBuilder]: For program point L897-2(lines 897 901) no Hoare annotation was computed. [2021-10-13 00:00:21,495 INFO L857 garLoopResultBuilder]: For program point L897-3(lines 897 901) no Hoare annotation was computed. [2021-10-13 00:00:21,495 INFO L857 garLoopResultBuilder]: For program point L897-5(lines 897 901) no Hoare annotation was computed. [2021-10-13 00:00:21,495 INFO L857 garLoopResultBuilder]: For program point L897-6(lines 897 901) no Hoare annotation was computed. [2021-10-13 00:00:21,495 INFO L857 garLoopResultBuilder]: For program point L897-8(lines 897 901) no Hoare annotation was computed. [2021-10-13 00:00:21,495 INFO L857 garLoopResultBuilder]: For program point L897-9(lines 897 901) no Hoare annotation was computed. [2021-10-13 00:00:21,495 INFO L857 garLoopResultBuilder]: For program point L897-11(lines 897 901) no Hoare annotation was computed. [2021-10-13 00:00:21,496 INFO L857 garLoopResultBuilder]: For program point L897-12(lines 897 901) no Hoare annotation was computed. [2021-10-13 00:00:21,496 INFO L857 garLoopResultBuilder]: For program point L897-14(lines 897 901) no Hoare annotation was computed. [2021-10-13 00:00:21,496 INFO L857 garLoopResultBuilder]: For program point L897-15(lines 897 901) no Hoare annotation was computed. [2021-10-13 00:00:21,496 INFO L857 garLoopResultBuilder]: For program point L897-17(lines 897 901) no Hoare annotation was computed. [2021-10-13 00:00:21,496 INFO L853 garLoopResultBuilder]: At program point L105(lines 101 107) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0) (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) [2021-10-13 00:00:21,496 INFO L853 garLoopResultBuilder]: At program point L700(lines 651 701) the Hoare annotation is: false [2021-10-13 00:00:21,496 INFO L857 garLoopResultBuilder]: For program point L932(lines 932 945) no Hoare annotation was computed. [2021-10-13 00:00:21,497 INFO L853 garLoopResultBuilder]: At program point L932-1(lines 1 957) the Hoare annotation is: (let ((.cse2 (not (= |ULTIMATE.start_getWaterLevel_#res| 0))) (.cse3 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 0))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0)) (.cse5 (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)) (.cse6 (= ~waterLevel~0 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse4 .cse3 .cse5 .cse6) (and .cse0 .cse1 .cse4 .cse5 .cse6 (not (= 0 ~systemActive~0))))) [2021-10-13 00:00:21,497 INFO L857 garLoopResultBuilder]: For program point L932-2(lines 932 945) no Hoare annotation was computed. [2021-10-13 00:00:21,497 INFO L853 garLoopResultBuilder]: At program point L932-3(lines 1 957) the Hoare annotation is: false [2021-10-13 00:00:21,497 INFO L857 garLoopResultBuilder]: For program point L932-4(lines 932 945) no Hoare annotation was computed. [2021-10-13 00:00:21,497 INFO L853 garLoopResultBuilder]: At program point L932-5(lines 1 957) the Hoare annotation is: false [2021-10-13 00:00:21,497 INFO L853 garLoopResultBuilder]: At program point L636(lines 631 639) the Hoare annotation is: false [2021-10-13 00:00:21,497 INFO L853 garLoopResultBuilder]: At program point L636-1(lines 631 639) the Hoare annotation is: false [2021-10-13 00:00:21,498 INFO L857 garLoopResultBuilder]: For program point L570(lines 570 574) no Hoare annotation was computed. [2021-10-13 00:00:21,498 INFO L853 garLoopResultBuilder]: At program point L636-2(lines 631 639) the Hoare annotation is: false [2021-10-13 00:00:21,498 INFO L853 garLoopResultBuilder]: At program point L636-3(lines 631 639) the Hoare annotation is: false [2021-10-13 00:00:21,498 INFO L853 garLoopResultBuilder]: At program point L636-4(lines 631 639) the Hoare annotation is: false [2021-10-13 00:00:21,498 INFO L853 garLoopResultBuilder]: At program point L636-5(lines 631 639) the Hoare annotation is: false [2021-10-13 00:00:21,498 INFO L860 garLoopResultBuilder]: At program point L141(lines 122 144) the Hoare annotation is: true [2021-10-13 00:00:21,498 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 954) no Hoare annotation was computed. [2021-10-13 00:00:21,499 INFO L853 garLoopResultBuilder]: At program point L176(lines 171 179) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-13 00:00:21,499 INFO L857 garLoopResultBuilder]: For program point L936(lines 936 942) no Hoare annotation was computed. [2021-10-13 00:00:21,499 INFO L853 garLoopResultBuilder]: At program point L903(lines 888 906) the Hoare annotation is: false [2021-10-13 00:00:21,499 INFO L853 garLoopResultBuilder]: At program point L903-1(lines 888 906) the Hoare annotation is: false [2021-10-13 00:00:21,499 INFO L857 garLoopResultBuilder]: For program point L936-2(lines 936 942) no Hoare annotation was computed. [2021-10-13 00:00:21,499 INFO L853 garLoopResultBuilder]: At program point L903-2(lines 888 906) the Hoare annotation is: false [2021-10-13 00:00:21,499 INFO L853 garLoopResultBuilder]: At program point L903-3(lines 888 906) the Hoare annotation is: false [2021-10-13 00:00:21,500 INFO L857 garLoopResultBuilder]: For program point L936-4(lines 936 942) no Hoare annotation was computed. [2021-10-13 00:00:21,500 INFO L853 garLoopResultBuilder]: At program point L903-4(lines 888 906) the Hoare annotation is: false [2021-10-13 00:00:21,500 INFO L853 garLoopResultBuilder]: At program point L903-5(lines 888 906) the Hoare annotation is: false [2021-10-13 00:00:21,500 INFO L857 garLoopResultBuilder]: For program point L672(lines 672 678) no Hoare annotation was computed. [2021-10-13 00:00:21,500 INFO L853 garLoopResultBuilder]: At program point L672-1(lines 672 678) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0)) (.cse3 (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)) (.cse4 (= ~waterLevel~0 1))) (or (and .cse0 .cse1 (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) .cse2 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 0)) .cse3 .cse4) (and .cse0 .cse1 (<= 2 ~waterLevel~0)) (and .cse0 .cse1 .cse2 .cse3 .cse4 (not (= 0 ~systemActive~0))))) [2021-10-13 00:00:21,500 INFO L853 garLoopResultBuilder]: At program point L839(lines 832 842) the Hoare annotation is: false [2021-10-13 00:00:21,500 INFO L853 garLoopResultBuilder]: At program point L839-1(lines 832 842) the Hoare annotation is: false [2021-10-13 00:00:21,501 INFO L853 garLoopResultBuilder]: At program point L839-2(lines 832 842) the Hoare annotation is: false [2021-10-13 00:00:21,501 INFO L857 garLoopResultBuilder]: For program point L778(lines 778 795) no Hoare annotation was computed. [2021-10-13 00:00:21,501 INFO L857 garLoopResultBuilder]: For program point L778-1(lines 778 795) no Hoare annotation was computed. [2021-10-13 00:00:21,501 INFO L857 garLoopResultBuilder]: For program point L778-2(lines 778 795) no Hoare annotation was computed. [2021-10-13 00:00:21,501 INFO L857 garLoopResultBuilder]: For program point L911(lines 911 917) no Hoare annotation was computed. [2021-10-13 00:00:21,502 INFO L853 garLoopResultBuilder]: At program point L911-1(lines 911 917) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0)) (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0) (= ~waterLevel~0 1)))) [2021-10-13 00:00:21,503 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 00:00:21,503 INFO L857 garLoopResultBuilder]: For program point L582(lines 582 586) no Hoare annotation was computed. [2021-10-13 00:00:21,503 INFO L853 garLoopResultBuilder]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2021-10-13 00:00:21,503 INFO L857 garLoopResultBuilder]: For program point L682(lines 682 695) no Hoare annotation was computed. [2021-10-13 00:00:21,503 INFO L857 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-10-13 00:00:21,503 INFO L853 garLoopResultBuilder]: At program point L848(lines 843 851) the Hoare annotation is: false [2021-10-13 00:00:21,504 INFO L853 garLoopResultBuilder]: At program point L848-1(lines 843 851) the Hoare annotation is: false [2021-10-13 00:00:21,504 INFO L857 garLoopResultBuilder]: For program point L782(lines 782 790) no Hoare annotation was computed. [2021-10-13 00:00:21,504 INFO L853 garLoopResultBuilder]: At program point L848-2(lines 843 851) the Hoare annotation is: false [2021-10-13 00:00:21,504 INFO L857 garLoopResultBuilder]: For program point L782-1(lines 782 790) no Hoare annotation was computed. [2021-10-13 00:00:21,504 INFO L857 garLoopResultBuilder]: For program point L782-2(lines 782 790) no Hoare annotation was computed. [2021-10-13 00:00:21,504 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 00:00:21,505 INFO L857 garLoopResultBuilder]: For program point L58(lines 58 62) no Hoare annotation was computed. [2021-10-13 00:00:21,505 INFO L857 garLoopResultBuilder]: For program point L58-1(lines 720 726) no Hoare annotation was computed. [2021-10-13 00:00:21,505 INFO L857 garLoopResultBuilder]: For program point L752(lines 752 769) no Hoare annotation was computed. [2021-10-13 00:00:21,505 INFO L857 garLoopResultBuilder]: For program point L752-1(lines 752 769) no Hoare annotation was computed. [2021-10-13 00:00:21,505 INFO L857 garLoopResultBuilder]: For program point L752-2(lines 752 769) no Hoare annotation was computed. [2021-10-13 00:00:21,506 INFO L857 garLoopResultBuilder]: For program point L653(lines 652 699) no Hoare annotation was computed. [2021-10-13 00:00:21,506 INFO L857 garLoopResultBuilder]: For program point L752-3(lines 752 769) no Hoare annotation was computed. [2021-10-13 00:00:21,506 INFO L857 garLoopResultBuilder]: For program point L752-4(lines 752 769) no Hoare annotation was computed. [2021-10-13 00:00:21,506 INFO L857 garLoopResultBuilder]: For program point L752-5(lines 752 769) no Hoare annotation was computed. [2021-10-13 00:00:21,506 INFO L853 garLoopResultBuilder]: At program point L720(lines 719 738) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0)) (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0) (= ~waterLevel~0 1)))) [2021-10-13 00:00:21,507 INFO L857 garLoopResultBuilder]: For program point L720-1(lines 720 726) no Hoare annotation was computed. [2021-10-13 00:00:21,507 INFO L857 garLoopResultBuilder]: For program point L654(lines 654 658) no Hoare annotation was computed. [2021-10-13 00:00:21,507 INFO L853 garLoopResultBuilder]: At program point L720-2(lines 719 738) the Hoare annotation is: false [2021-10-13 00:00:21,507 INFO L853 garLoopResultBuilder]: At program point L720-3(lines 719 738) the Hoare annotation is: false [2021-10-13 00:00:21,507 INFO L857 garLoopResultBuilder]: For program point L688(lines 688 694) no Hoare annotation was computed. [2021-10-13 00:00:21,507 INFO L853 garLoopResultBuilder]: At program point L688-1(lines 720 726) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0)) (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0) (= ~waterLevel~0 1)))) [2021-10-13 00:00:21,508 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 00:00:21,508 INFO L857 garLoopResultBuilder]: For program point L954(line 954) no Hoare annotation was computed. [2021-10-13 00:00:21,508 INFO L857 garLoopResultBuilder]: For program point L954-1(line 954) no Hoare annotation was computed. [2021-10-13 00:00:21,508 INFO L857 garLoopResultBuilder]: For program point L954-2(line 954) no Hoare annotation was computed. [2021-10-13 00:00:21,508 INFO L857 garLoopResultBuilder]: For program point L756(lines 756 764) no Hoare annotation was computed. [2021-10-13 00:00:21,509 INFO L857 garLoopResultBuilder]: For program point L756-1(lines 756 764) no Hoare annotation was computed. [2021-10-13 00:00:21,509 INFO L857 garLoopResultBuilder]: For program point L756-2(lines 756 764) no Hoare annotation was computed. [2021-10-13 00:00:21,509 INFO L857 garLoopResultBuilder]: For program point L756-3(lines 756 764) no Hoare annotation was computed. [2021-10-13 00:00:21,509 INFO L857 garLoopResultBuilder]: For program point L756-4(lines 756 764) no Hoare annotation was computed. [2021-10-13 00:00:21,509 INFO L857 garLoopResultBuilder]: For program point L756-5(lines 756 764) no Hoare annotation was computed. [2021-10-13 00:00:21,509 INFO L857 garLoopResultBuilder]: For program point L558(lines 558 562) no Hoare annotation was computed. [2021-10-13 00:00:21,510 INFO L857 garLoopResultBuilder]: For program point L558-3(lines 558 562) no Hoare annotation was computed. [2021-10-13 00:00:21,510 INFO L857 garLoopResultBuilder]: For program point L558-6(lines 558 562) no Hoare annotation was computed. [2021-10-13 00:00:21,510 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 00:00:21,510 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 954) no Hoare annotation was computed. [2021-10-13 00:00:21,510 INFO L853 garLoopResultBuilder]: At program point L627(lines 622 630) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= |ULTIMATE.start_getWaterLevel_#res| 0)))) (or (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0) (= ~waterLevel~0 1)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2))) [2021-10-13 00:00:21,511 INFO L853 garLoopResultBuilder]: At program point L627-1(lines 622 630) the Hoare annotation is: false [2021-10-13 00:00:21,511 INFO L853 garLoopResultBuilder]: At program point L627-2(lines 622 630) the Hoare annotation is: false [2021-10-13 00:00:21,511 INFO L857 garLoopResultBuilder]: For program point L132(lines 132 139) no Hoare annotation was computed. [2021-10-13 00:00:21,511 INFO L860 garLoopResultBuilder]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2021-10-13 00:00:21,511 INFO L853 garLoopResultBuilder]: At program point L727(lines 727 733) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0)) (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0) (= ~waterLevel~0 1)))) [2021-10-13 00:00:21,511 INFO L853 garLoopResultBuilder]: At program point L727-1(lines 727 733) the Hoare annotation is: false [2021-10-13 00:00:21,512 INFO L853 garLoopResultBuilder]: At program point L727-2(lines 727 733) the Hoare annotation is: false [2021-10-13 00:00:21,512 INFO L853 garLoopResultBuilder]: At program point L595(lines 590 598) the Hoare annotation is: false [2021-10-13 00:00:21,512 INFO L853 garLoopResultBuilder]: At program point L595-1(lines 590 598) the Hoare annotation is: false [2021-10-13 00:00:21,512 INFO L853 garLoopResultBuilder]: At program point L595-2(lines 590 598) the Hoare annotation is: false [2021-10-13 00:00:21,512 INFO L857 garLoopResultBuilder]: For program point L662(lines 662 668) no Hoare annotation was computed. [2021-10-13 00:00:21,513 INFO L853 garLoopResultBuilder]: At program point L662-1(lines 662 668) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0)) (.cse3 (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)) (.cse4 (= ~waterLevel~0 1))) (or (and .cse0 .cse1 (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) .cse2 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 0)) .cse3 .cse4) (and .cse0 .cse1 (<= 2 ~waterLevel~0)) (and .cse0 .cse1 .cse2 .cse3 .cse4 (not (= 0 ~systemActive~0))))) [2021-10-13 00:00:21,517 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 00:00:21,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:00:21 BoogieIcfgContainer [2021-10-13 00:00:21,539 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 00:00:21,540 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:00:21,540 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:00:21,540 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:00:21,540 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:00:18" (3/4) ... [2021-10-13 00:00:21,543 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 00:00:21,563 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-13 00:00:21,565 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-13 00:00:21,566 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-13 00:00:21,567 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-13 00:00:21,568 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 00:00:21,569 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 00:00:21,570 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 00:00:21,592 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == waterLevel) && 1 == systemActive) && waterLevel == 1 [2021-10-13 00:00:21,592 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) && tmp == systemActive [2021-10-13 00:00:21,593 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && !(tmp == 0)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && \result == waterLevel) && !(tmp == 0)) && tmp == waterLevel) && waterLevel == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) && !(0 == systemActive)) [2021-10-13 00:00:21,593 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && \result == waterLevel) && !(tmp == 0)) && tmp == waterLevel) && waterLevel == 1) || ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel)) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) && !(0 == systemActive)) [2021-10-13 00:00:21,594 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && \result == waterLevel) && !(tmp == 0)) && tmp == waterLevel) && waterLevel == 1) || ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel)) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) && !(0 == systemActive)) [2021-10-13 00:00:21,594 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) [2021-10-13 00:00:21,594 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) [2021-10-13 00:00:21,595 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) [2021-10-13 00:00:21,595 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) [2021-10-13 00:00:21,596 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) || (((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) [2021-10-13 00:00:21,687 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f8d11b-1af6-47d4-9bde-2b90cfc390cf/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 00:00:21,687 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:00:21,689 INFO L168 Benchmark]: Toolchain (without parser) took 5035.32 ms. Allocated memory was 102.8 MB in the beginning and 138.4 MB in the end (delta: 35.7 MB). Free memory was 72.1 MB in the beginning and 54.5 MB in the end (delta: 17.6 MB). Peak memory consumption was 53.0 MB. Max. memory is 16.1 GB. [2021-10-13 00:00:21,690 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 102.8 MB. Free memory is still 55.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:00:21,690 INFO L168 Benchmark]: CACSL2BoogieTranslator took 537.79 ms. Allocated memory is still 102.8 MB. Free memory was 72.1 MB in the beginning and 70.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:00:21,691 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.30 ms. Allocated memory is still 102.8 MB. Free memory was 70.1 MB in the beginning and 66.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:00:21,691 INFO L168 Benchmark]: Boogie Preprocessor took 41.44 ms. Allocated memory is still 102.8 MB. Free memory was 66.7 MB in the beginning and 64.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:00:21,692 INFO L168 Benchmark]: RCFGBuilder took 912.04 ms. Allocated memory was 102.8 MB in the beginning and 138.4 MB in the end (delta: 35.7 MB). Free memory was 64.1 MB in the beginning and 87.0 MB in the end (delta: -22.9 MB). Peak memory consumption was 22.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:00:21,692 INFO L168 Benchmark]: TraceAbstraction took 3312.81 ms. Allocated memory is still 138.4 MB. Free memory was 86.9 MB in the beginning and 63.9 MB in the end (delta: 22.9 MB). Peak memory consumption was 25.0 MB. Max. memory is 16.1 GB. [2021-10-13 00:00:21,692 INFO L168 Benchmark]: Witness Printer took 148.04 ms. Allocated memory is still 138.4 MB. Free memory was 63.9 MB in the beginning and 54.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:00:21,695 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 102.8 MB. Free memory is still 55.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 537.79 ms. Allocated memory is still 102.8 MB. Free memory was 72.1 MB in the beginning and 70.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 73.30 ms. Allocated memory is still 102.8 MB. Free memory was 70.1 MB in the beginning and 66.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 41.44 ms. Allocated memory is still 102.8 MB. Free memory was 66.7 MB in the beginning and 64.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 912.04 ms. Allocated memory was 102.8 MB in the beginning and 138.4 MB in the end (delta: 35.7 MB). Free memory was 64.1 MB in the beginning and 87.0 MB in the end (delta: -22.9 MB). Peak memory consumption was 22.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3312.81 ms. Allocated memory is still 138.4 MB. Free memory was 86.9 MB in the beginning and 63.9 MB in the end (delta: 22.9 MB). Peak memory consumption was 25.0 MB. Max. memory is 16.1 GB. * Witness Printer took 148.04 ms. Allocated memory is still 138.4 MB. Free memory was 63.9 MB in the beginning and 54.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 954]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 954]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 954]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 107 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 3215.4ms, OverallIterations: 6, TraceHistogramMax: 2, EmptinessCheckTime: 31.9ms, AutomataDifference: 831.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 627.4ms, InitialAbstractionConstructionTime: 13.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 460 SDtfs, 868 SDslu, 870 SDs, 0 SdLazy, 135 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 376.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 71 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 227.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=166occurred in iteration=4, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 112.6ms AutomataMinimizationTime, 6 MinimizatonAttempts, 244 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 76 NumberOfFragments, 388 HoareAnnotationTreeSize, 44 FomulaSimplifications, 1373 FormulaSimplificationTreeSizeReduction, 119.9ms HoareSimplificationTime, 44 FomulaSimplificationsInter, 128 FormulaSimplificationTreeSizeReductionInter, 497.2ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 57.9ms SsaConstructionTime, 327.1ms SatisfiabilityAnalysisTime, 693.5ms InterpolantComputationTime, 184 NumberOfCodeBlocks, 184 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 177 ConstructedInterpolants, 0 QuantifiedInterpolants, 414 SizeOfPredicates, 0 NumberOfNonLiveVariables, 382 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 23/28 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == waterLevel) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 662]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && \result == waterLevel) && !(tmp == 0)) && tmp == waterLevel) && waterLevel == 1) || ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel)) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) && !(0 == systemActive)) - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) && tmp == systemActive - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) || (((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 590]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 651]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && !(tmp == 0)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && \result == waterLevel) && !(tmp == 0)) && tmp == waterLevel) && waterLevel == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) && !(0 == systemActive)) - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 672]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && \result == waterLevel) && !(tmp == 0)) && tmp == waterLevel) && waterLevel == 1) || ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel)) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) && !(0 == systemActive)) - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) - InvariantResult [Line: 590]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 590]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-13 00:00:21,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f8d11b-1af6-47d4-9bde-2b90cfc390cf/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...