./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd3224-220d-407b-bda9-569ea936b1fd/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd3224-220d-407b-bda9-569ea936b1fd/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd3224-220d-407b-bda9-569ea936b1fd/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd3224-220d-407b-bda9-569ea936b1fd/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd3224-220d-407b-bda9-569ea936b1fd/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd3224-220d-407b-bda9-569ea936b1fd/bin/uautomizer-j4sWxH34Be --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 2ec66100f9e2ac4db263cd9becb832e73074b4f7ebe73780c502623dad07d2b6 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 20:29:50,236 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:29:50,238 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:29:50,278 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:29:50,279 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:29:50,281 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:29:50,283 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:29:50,285 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:29:50,288 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:29:50,290 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:29:50,291 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:29:50,293 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:29:50,294 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:29:50,295 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:29:50,297 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:29:50,299 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:29:50,301 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:29:50,302 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:29:50,305 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:29:50,309 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:29:50,311 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:29:50,313 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:29:50,315 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:29:50,316 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:29:50,321 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:29:50,322 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:29:50,323 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:29:50,324 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:29:50,325 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:29:50,326 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:29:50,327 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:29:50,328 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:29:50,329 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:29:50,331 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:29:50,332 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:29:50,333 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:29:50,334 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:29:50,335 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:29:50,335 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:29:50,337 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:29:50,338 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:29:50,339 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd3224-220d-407b-bda9-569ea936b1fd/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 20:29:50,370 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:29:50,371 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:29:50,371 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:29:50,372 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:29:50,373 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:29:50,374 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:29:50,374 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:29:50,375 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:29:50,375 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:29:50,375 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:29:50,376 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:29:50,376 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:29:50,377 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 20:29:50,377 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 20:29:50,378 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 20:29:50,378 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:29:50,379 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:29:50,379 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:29:50,380 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 20:29:50,380 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:29:50,380 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:29:50,381 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 20:29:50,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:29:50,382 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:29:50,382 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 20:29:50,383 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 20:29:50,383 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:29:50,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 20:29:50,384 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 20:29:50,385 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 20:29:50,385 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 20:29:50,385 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:29:50,385 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_a0dd3224-220d-407b-bda9-569ea936b1fd/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd3224-220d-407b-bda9-569ea936b1fd/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ec66100f9e2ac4db263cd9becb832e73074b4f7ebe73780c502623dad07d2b6 [2021-10-21 20:29:50,687 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:29:50,720 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:29:50,725 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:29:50,726 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:29:50,727 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:29:50,728 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd3224-220d-407b-bda9-569ea936b1fd/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c [2021-10-21 20:29:50,804 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd3224-220d-407b-bda9-569ea936b1fd/bin/uautomizer-j4sWxH34Be/data/5c5ca3841/f83b634fcd67449ba026ca0cca0f38f5/FLAG36fbb0015 [2021-10-21 20:29:51,522 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:29:51,523 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd3224-220d-407b-bda9-569ea936b1fd/sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c [2021-10-21 20:29:51,539 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd3224-220d-407b-bda9-569ea936b1fd/bin/uautomizer-j4sWxH34Be/data/5c5ca3841/f83b634fcd67449ba026ca0cca0f38f5/FLAG36fbb0015 [2021-10-21 20:29:51,831 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd3224-220d-407b-bda9-569ea936b1fd/bin/uautomizer-j4sWxH34Be/data/5c5ca3841/f83b634fcd67449ba026ca0cca0f38f5 [2021-10-21 20:29:51,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:29:51,838 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:29:51,840 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:29:51,840 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:29:51,845 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:29:51,846 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:29:51" (1/1) ... [2021-10-21 20:29:51,847 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ccd7e29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:29:51, skipping insertion in model container [2021-10-21 20:29:51,847 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:29:51" (1/1) ... [2021-10-21 20:29:51,855 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:29:51,912 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:29:52,232 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_a0dd3224-220d-407b-bda9-569ea936b1fd/sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c[14184,14197] [2021-10-21 20:29:52,259 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:29:52,271 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:29:52,350 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_a0dd3224-220d-407b-bda9-569ea936b1fd/sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c[14184,14197] [2021-10-21 20:29:52,374 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:29:52,401 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:29:52,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:29:52 WrapperNode [2021-10-21 20:29:52,402 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:29:52,403 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:29:52,403 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:29:52,404 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:29:52,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:29:52" (1/1) ... [2021-10-21 20:29:52,440 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:29:52" (1/1) ... [2021-10-21 20:29:52,492 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:29:52,492 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:29:52,493 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:29:52,493 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:29:52,503 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:29:52" (1/1) ... [2021-10-21 20:29:52,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:29:52" (1/1) ... [2021-10-21 20:29:52,524 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:29:52" (1/1) ... [2021-10-21 20:29:52,525 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:29:52" (1/1) ... [2021-10-21 20:29:52,536 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:29:52" (1/1) ... [2021-10-21 20:29:52,550 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:29:52" (1/1) ... [2021-10-21 20:29:52,561 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:29:52" (1/1) ... [2021-10-21 20:29:52,565 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:29:52,574 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:29:52,574 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:29:52,574 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:29:52,575 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:29:52" (1/1) ... [2021-10-21 20:29:52,584 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:29:52,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd3224-220d-407b-bda9-569ea936b1fd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:29:52,608 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd3224-220d-407b-bda9-569ea936b1fd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 20:29:52,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd3224-220d-407b-bda9-569ea936b1fd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 20:29:52,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:29:52,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 20:29:52,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:29:52,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:29:53,692 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:29:53,693 INFO L299 CfgBuilder]: Removed 102 assume(true) statements. [2021-10-21 20:29:53,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:29:53 BoogieIcfgContainer [2021-10-21 20:29:53,695 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:29:53,697 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 20:29:53,698 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 20:29:53,702 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 20:29:53,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 08:29:51" (1/3) ... [2021-10-21 20:29:53,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bf47acf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:29:53, skipping insertion in model container [2021-10-21 20:29:53,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:29:52" (2/3) ... [2021-10-21 20:29:53,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bf47acf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:29:53, skipping insertion in model container [2021-10-21 20:29:53,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:29:53" (3/3) ... [2021-10-21 20:29:53,708 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product16.cil.c [2021-10-21 20:29:53,715 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 20:29:53,716 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-21 20:29:53,789 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 20:29:53,801 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, 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 [2021-10-21 20:29:53,802 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-21 20:29:53,823 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 67 states have (on average 1.5671641791044777) internal successors, (105), 70 states have internal predecessors, (105), 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) [2021-10-21 20:29:53,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-21 20:29:53,830 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:29:53,831 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:29:53,832 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:29:53,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:29:53,843 INFO L82 PathProgramCache]: Analyzing trace with hash -262370748, now seen corresponding path program 1 times [2021-10-21 20:29:53,854 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:29:53,854 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594026139] [2021-10-21 20:29:53,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:29:53,856 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:29:54,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:29:54,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:29:54,231 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:29:54,231 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594026139] [2021-10-21 20:29:54,232 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594026139] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:29:54,232 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:29:54,233 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:29:54,244 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166070784] [2021-10-21 20:29:54,253 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-21 20:29:54,257 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:29:54,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-21 20:29:54,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 20:29:54,282 INFO L87 Difference]: Start difference. First operand has 71 states, 67 states have (on average 1.5671641791044777) internal successors, (105), 70 states have internal predecessors, (105), 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) [2021-10-21 20:29:54,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:29:54,326 INFO L93 Difference]: Finished difference Result 136 states and 203 transitions. [2021-10-21 20:29:54,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 20:29:54,328 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 [2021-10-21 20:29:54,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:29:54,355 INFO L225 Difference]: With dead ends: 136 [2021-10-21 20:29:54,355 INFO L226 Difference]: Without dead ends: 67 [2021-10-21 20:29:54,359 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 [2021-10-21 20:29:54,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2021-10-21 20:29:54,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2021-10-21 20:29:54,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 64 states have (on average 1.453125) internal successors, (93), 66 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) [2021-10-21 20:29:54,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 93 transitions. [2021-10-21 20:29:54,405 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 93 transitions. Word has length 16 [2021-10-21 20:29:54,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:29:54,406 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 93 transitions. [2021-10-21 20:29:54,406 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) [2021-10-21 20:29:54,406 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2021-10-21 20:29:54,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-21 20:29:54,408 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:29:54,408 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:29:54,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 20:29:54,408 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:29:54,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:29:54,409 INFO L82 PathProgramCache]: Analyzing trace with hash -1309127645, now seen corresponding path program 1 times [2021-10-21 20:29:54,410 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:29:54,410 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27180593] [2021-10-21 20:29:54,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:29:54,411 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:29:54,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:29:54,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:29:54,518 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:29:54,518 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27180593] [2021-10-21 20:29:54,519 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27180593] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:29:54,519 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:29:54,519 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:29:54,520 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877351259] [2021-10-21 20:29:54,521 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:29:54,521 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:29:54,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:29:54,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:29:54,523 INFO L87 Difference]: Start difference. First operand 67 states and 93 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) [2021-10-21 20:29:54,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:29:54,541 INFO L93 Difference]: Finished difference Result 67 states and 93 transitions. [2021-10-21 20:29:54,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:29:54,542 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 [2021-10-21 20:29:54,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:29:54,544 INFO L225 Difference]: With dead ends: 67 [2021-10-21 20:29:54,544 INFO L226 Difference]: Without dead ends: 33 [2021-10-21 20:29:54,545 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:29:54,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-21 20:29:54,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-21 20:29:54,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.4375) internal successors, (46), 32 states have internal predecessors, (46), 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) [2021-10-21 20:29:54,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2021-10-21 20:29:54,554 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2021-10-21 20:29:54,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:29:54,555 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2021-10-21 20:29:54,555 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) [2021-10-21 20:29:54,556 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2021-10-21 20:29:54,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-21 20:29:54,557 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:29:54,558 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] [2021-10-21 20:29:54,558 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 20:29:54,560 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:29:54,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:29:54,568 INFO L82 PathProgramCache]: Analyzing trace with hash -915815930, now seen corresponding path program 1 times [2021-10-21 20:29:54,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:29:54,573 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330164189] [2021-10-21 20:29:54,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:29:54,573 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:29:54,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:29:54,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:29:54,696 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:29:54,697 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330164189] [2021-10-21 20:29:54,698 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330164189] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:29:54,698 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:29:54,699 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:29:54,699 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479627930] [2021-10-21 20:29:54,700 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:29:54,701 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:29:54,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:29:54,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:29:54,703 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 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) [2021-10-21 20:29:54,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:29:54,755 INFO L93 Difference]: Finished difference Result 87 states and 126 transitions. [2021-10-21 20:29:54,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:29:54,756 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 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 [2021-10-21 20:29:54,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:29:54,758 INFO L225 Difference]: With dead ends: 87 [2021-10-21 20:29:54,759 INFO L226 Difference]: Without dead ends: 60 [2021-10-21 20:29:54,759 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:29:54,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2021-10-21 20:29:54,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 56. [2021-10-21 20:29:54,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 55 states have (on average 1.4727272727272727) internal successors, (81), 55 states have internal predecessors, (81), 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) [2021-10-21 20:29:54,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 81 transitions. [2021-10-21 20:29:54,776 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 81 transitions. Word has length 22 [2021-10-21 20:29:54,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:29:54,776 INFO L470 AbstractCegarLoop]: Abstraction has 56 states and 81 transitions. [2021-10-21 20:29:54,777 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 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) [2021-10-21 20:29:54,777 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 81 transitions. [2021-10-21 20:29:54,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-21 20:29:54,779 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:29:54,779 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] [2021-10-21 20:29:54,780 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-21 20:29:54,780 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:29:54,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:29:54,781 INFO L82 PathProgramCache]: Analyzing trace with hash 9705803, now seen corresponding path program 1 times [2021-10-21 20:29:54,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:29:54,783 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673458568] [2021-10-21 20:29:54,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:29:54,783 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:29:54,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:29:54,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:29:54,946 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:29:54,947 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673458568] [2021-10-21 20:29:54,947 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673458568] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:29:54,948 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:29:54,949 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 20:29:54,949 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968761990] [2021-10-21 20:29:54,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 20:29:54,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:29:54,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:29:54,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:29:54,954 INFO L87 Difference]: Start difference. First operand 56 states and 81 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 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) [2021-10-21 20:29:55,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:29:55,091 INFO L93 Difference]: Finished difference Result 209 states and 317 transitions. [2021-10-21 20:29:55,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 20:29:55,092 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 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 23 [2021-10-21 20:29:55,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:29:55,095 INFO L225 Difference]: With dead ends: 209 [2021-10-21 20:29:55,095 INFO L226 Difference]: Without dead ends: 159 [2021-10-21 20:29:55,096 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 54.7ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-21 20:29:55,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2021-10-21 20:29:55,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 100. [2021-10-21 20:29:55,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 99 states have (on average 1.4444444444444444) internal successors, (143), 99 states have internal predecessors, (143), 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) [2021-10-21 20:29:55,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 143 transitions. [2021-10-21 20:29:55,118 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 143 transitions. Word has length 23 [2021-10-21 20:29:55,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:29:55,119 INFO L470 AbstractCegarLoop]: Abstraction has 100 states and 143 transitions. [2021-10-21 20:29:55,119 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 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) [2021-10-21 20:29:55,120 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 143 transitions. [2021-10-21 20:29:55,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-21 20:29:55,121 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:29:55,122 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] [2021-10-21 20:29:55,122 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-21 20:29:55,122 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:29:55,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:29:55,123 INFO L82 PathProgramCache]: Analyzing trace with hash -1869425907, now seen corresponding path program 1 times [2021-10-21 20:29:55,124 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:29:55,124 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148924497] [2021-10-21 20:29:55,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:29:55,125 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:29:55,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:29:55,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:29:55,214 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:29:55,215 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148924497] [2021-10-21 20:29:55,215 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148924497] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:29:55,215 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:29:55,215 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 20:29:55,216 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237743024] [2021-10-21 20:29:55,217 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 20:29:55,217 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:29:55,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:29:55,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:29:55,218 INFO L87 Difference]: Start difference. First operand 100 states and 143 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 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) [2021-10-21 20:29:55,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:29:55,318 INFO L93 Difference]: Finished difference Result 244 states and 363 transitions. [2021-10-21 20:29:55,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 20:29:55,320 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 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 [2021-10-21 20:29:55,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:29:55,320 INFO L225 Difference]: With dead ends: 244 [2021-10-21 20:29:55,321 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 20:29:55,326 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 33.1ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:29:55,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 20:29:55,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 20:29:55,327 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) [2021-10-21 20:29:55,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 20:29:55,328 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2021-10-21 20:29:55,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:29:55,329 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:29:55,330 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 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) [2021-10-21 20:29:55,330 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 20:29:55,331 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 20:29:55,334 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:29:55,334 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:29:55,335 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:29:55,335 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-21 20:29:55,338 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 20:29:55,343 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:29:55,353 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:29:55,354 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:29:55,358 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:29:55,373 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:29:55,382 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:29:55,394 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:29:55,395 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:29:55,395 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:29:55,396 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:29:55,397 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:29:55,397 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:29:55,398 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:29:55,407 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:29:55,411 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:29:55,419 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:29:55,434 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:29:55,442 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:29:55,454 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:29:55,455 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:29:55,456 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:29:55,457 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:29:55,458 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:29:55,459 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:29:55,460 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:29:55,461 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:29:55,462 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:29:55,463 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:29:55,464 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:29:55,471 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:29:55,472 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:29:55,473 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:29:55,567 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 643) no Hoare annotation was computed. [2021-10-21 20:29:55,567 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 20:29:55,569 INFO L853 garLoopResultBuilder]: At program point L763(lines 758 766) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0)) [2021-10-21 20:29:55,569 INFO L853 garLoopResultBuilder]: At program point L763-1(lines 758 766) the Hoare annotation is: false [2021-10-21 20:29:55,569 INFO L857 garLoopResultBuilder]: For program point L697(lines 697 705) no Hoare annotation was computed. [2021-10-21 20:29:55,569 INFO L853 garLoopResultBuilder]: At program point L763-2(lines 758 766) the Hoare annotation is: false [2021-10-21 20:29:55,569 INFO L857 garLoopResultBuilder]: For program point L697-1(lines 697 705) no Hoare annotation was computed. [2021-10-21 20:29:55,570 INFO L857 garLoopResultBuilder]: For program point L697-2(lines 697 705) no Hoare annotation was computed. [2021-10-21 20:29:55,570 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 470) no Hoare annotation was computed. [2021-10-21 20:29:55,571 INFO L857 garLoopResultBuilder]: For program point L466-3(lines 466 470) no Hoare annotation was computed. [2021-10-21 20:29:55,571 INFO L857 garLoopResultBuilder]: For program point L466-6(lines 466 470) no Hoare annotation was computed. [2021-10-21 20:29:55,571 INFO L853 garLoopResultBuilder]: At program point L913(lines 862 914) the Hoare annotation is: false [2021-10-21 20:29:55,571 INFO L857 garLoopResultBuilder]: For program point L864(lines 863 912) no Hoare annotation was computed. [2021-10-21 20:29:55,572 INFO L857 garLoopResultBuilder]: For program point L865(lines 865 869) no Hoare annotation was computed. [2021-10-21 20:29:55,572 INFO L860 garLoopResultBuilder]: At program point L634(lines 615 637) the Hoare annotation is: true [2021-10-21 20:29:55,572 INFO L853 garLoopResultBuilder]: At program point L601(lines 597 603) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-21 20:29:55,573 INFO L853 garLoopResultBuilder]: At program point L535(lines 530 538) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-21 20:29:55,573 INFO L853 garLoopResultBuilder]: At program point L535-1(lines 530 538) the Hoare annotation is: false [2021-10-21 20:29:55,574 INFO L853 garLoopResultBuilder]: At program point L535-2(lines 530 538) the Hoare annotation is: false [2021-10-21 20:29:55,574 INFO L853 garLoopResultBuilder]: At program point L552-2(lines 552 566) the Hoare annotation is: false [2021-10-21 20:29:55,574 INFO L853 garLoopResultBuilder]: At program point L668(lines 668 674) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-21 20:29:55,574 INFO L853 garLoopResultBuilder]: At program point L668-1(lines 668 674) the Hoare annotation is: false [2021-10-21 20:29:55,575 INFO L853 garLoopResultBuilder]: At program point L668-2(lines 668 674) the Hoare annotation is: false [2021-10-21 20:29:55,575 INFO L853 garLoopResultBuilder]: At program point L503(lines 498 506) the Hoare annotation is: false [2021-10-21 20:29:55,575 INFO L853 garLoopResultBuilder]: At program point L503-1(lines 498 506) the Hoare annotation is: false [2021-10-21 20:29:55,575 INFO L853 garLoopResultBuilder]: At program point L503-2(lines 498 506) the Hoare annotation is: false [2021-10-21 20:29:55,575 INFO L857 garLoopResultBuilder]: For program point L883(lines 883 889) no Hoare annotation was computed. [2021-10-21 20:29:55,576 INFO L853 garLoopResultBuilder]: At program point L883-1(lines 883 889) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-21 20:29:55,576 INFO L857 garLoopResultBuilder]: For program point L553(line 553) no Hoare annotation was computed. [2021-10-21 20:29:55,576 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 20:29:55,576 INFO L853 garLoopResultBuilder]: At program point L75(lines 1 920) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-21 20:29:55,576 INFO L857 garLoopResultBuilder]: For program point L901(lines 901 907) no Hoare annotation was computed. [2021-10-21 20:29:55,577 INFO L853 garLoopResultBuilder]: At program point L901-1(lines 661 667) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-21 20:29:55,577 INFO L857 garLoopResultBuilder]: For program point L835(lines 835 848) no Hoare annotation was computed. [2021-10-21 20:29:55,577 INFO L853 garLoopResultBuilder]: At program point L835-1(lines 1 920) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-21 20:29:55,577 INFO L857 garLoopResultBuilder]: For program point L835-2(lines 835 848) no Hoare annotation was computed. [2021-10-21 20:29:55,577 INFO L853 garLoopResultBuilder]: At program point L835-3(lines 1 920) the Hoare annotation is: false [2021-10-21 20:29:55,578 INFO L857 garLoopResultBuilder]: For program point L835-4(lines 835 848) no Hoare annotation was computed. [2021-10-21 20:29:55,578 INFO L853 garLoopResultBuilder]: At program point L835-5(lines 1 920) the Hoare annotation is: false [2021-10-21 20:29:55,578 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 643) no Hoare annotation was computed. [2021-10-21 20:29:55,578 INFO L853 garLoopResultBuilder]: At program point L754(lines 747 757) the Hoare annotation is: false [2021-10-21 20:29:55,578 INFO L853 garLoopResultBuilder]: At program point L754-1(lines 747 757) the Hoare annotation is: false [2021-10-21 20:29:55,579 INFO L853 garLoopResultBuilder]: At program point L754-2(lines 747 757) the Hoare annotation is: false [2021-10-21 20:29:55,579 INFO L857 garLoopResultBuilder]: For program point L556(lines 556 560) no Hoare annotation was computed. [2021-10-21 20:29:55,579 INFO L857 garLoopResultBuilder]: For program point L556-1(lines 661 667) no Hoare annotation was computed. [2021-10-21 20:29:55,579 INFO L857 garLoopResultBuilder]: For program point L490(lines 490 494) no Hoare annotation was computed. [2021-10-21 20:29:55,579 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 20:29:55,579 INFO L857 garLoopResultBuilder]: For program point L839(lines 839 845) no Hoare annotation was computed. [2021-10-21 20:29:55,580 INFO L857 garLoopResultBuilder]: For program point L839-2(lines 839 845) no Hoare annotation was computed. [2021-10-21 20:29:55,580 INFO L857 garLoopResultBuilder]: For program point L839-4(lines 839 845) no Hoare annotation was computed. [2021-10-21 20:29:55,580 INFO L857 garLoopResultBuilder]: For program point L625(lines 625 632) no Hoare annotation was computed. [2021-10-21 20:29:55,581 INFO L860 garLoopResultBuilder]: At program point L625-1(lines 625 632) the Hoare annotation is: true [2021-10-21 20:29:55,582 INFO L857 garLoopResultBuilder]: For program point L873(lines 873 879) no Hoare annotation was computed. [2021-10-21 20:29:55,582 INFO L853 garLoopResultBuilder]: At program point L873-1(lines 873 879) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-21 20:29:55,582 INFO L857 garLoopResultBuilder]: For program point L807(lines 807 813) no Hoare annotation was computed. [2021-10-21 20:29:55,582 INFO L853 garLoopResultBuilder]: At program point L807-1(lines 807 813) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-21 20:29:55,582 INFO L857 garLoopResultBuilder]: For program point L643(line 643) no Hoare annotation was computed. [2021-10-21 20:29:55,583 INFO L857 garLoopResultBuilder]: For program point L643-1(line 643) no Hoare annotation was computed. [2021-10-21 20:29:55,583 INFO L857 garLoopResultBuilder]: For program point L643-2(line 643) no Hoare annotation was computed. [2021-10-21 20:29:55,583 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 20:29:55,583 INFO L857 garLoopResultBuilder]: For program point L478(lines 478 482) no Hoare annotation was computed. [2021-10-21 20:29:55,583 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 643) no Hoare annotation was computed. [2021-10-21 20:29:55,583 INFO L857 garLoopResultBuilder]: For program point L693(lines 693 710) no Hoare annotation was computed. [2021-10-21 20:29:55,584 INFO L857 garLoopResultBuilder]: For program point L693-1(lines 693 710) no Hoare annotation was computed. [2021-10-21 20:29:55,584 INFO L857 garLoopResultBuilder]: For program point L693-2(lines 693 710) no Hoare annotation was computed. [2021-10-21 20:29:55,584 INFO L853 garLoopResultBuilder]: At program point L661(lines 660 679) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-21 20:29:55,586 INFO L857 garLoopResultBuilder]: For program point L661-1(lines 661 667) no Hoare annotation was computed. [2021-10-21 20:29:55,586 INFO L853 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-21 20:29:55,586 INFO L853 garLoopResultBuilder]: At program point L661-2(lines 660 679) the Hoare annotation is: false [2021-10-21 20:29:55,586 INFO L853 garLoopResultBuilder]: At program point L661-3(lines 660 679) the Hoare annotation is: false [2021-10-21 20:29:55,586 INFO L857 garLoopResultBuilder]: For program point L893(lines 893 908) no Hoare annotation was computed. [2021-10-21 20:29:55,601 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 20:29:55,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 08:29:55 BoogieIcfgContainer [2021-10-21 20:29:55,627 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 20:29:55,629 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:29:55,629 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:29:55,629 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:29:55,630 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:29:53" (3/4) ... [2021-10-21 20:29:55,634 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 20:29:55,661 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-21 20:29:55,662 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-21 20:29:55,663 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-21 20:29:55,664 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-21 20:29:55,665 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-21 20:29:55,666 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 20:29:55,667 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 20:29:55,713 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 [2021-10-21 20:29:55,780 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd3224-220d-407b-bda9-569ea936b1fd/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 20:29:55,780 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:29:55,782 INFO L168 Benchmark]: Toolchain (without parser) took 3943.67 ms. Allocated memory was 79.7 MB in the beginning and 123.7 MB in the end (delta: 44.0 MB). Free memory was 42.3 MB in the beginning and 92.7 MB in the end (delta: -50.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:29:55,783 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 79.7 MB. Free memory is still 59.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:29:55,784 INFO L168 Benchmark]: CACSL2BoogieTranslator took 562.17 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 42.1 MB in the beginning and 64.7 MB in the end (delta: -22.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 20:29:55,784 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.60 ms. Allocated memory is still 96.5 MB. Free memory was 64.7 MB in the beginning and 61.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:29:55,785 INFO L168 Benchmark]: Boogie Preprocessor took 73.29 ms. Allocated memory is still 96.5 MB. Free memory was 61.7 MB in the beginning and 59.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:29:55,785 INFO L168 Benchmark]: RCFGBuilder took 1121.75 ms. Allocated memory is still 96.5 MB. Free memory was 59.4 MB in the beginning and 55.2 MB in the end (delta: 4.3 MB). Peak memory consumption was 29.9 MB. Max. memory is 16.1 GB. [2021-10-21 20:29:55,786 INFO L168 Benchmark]: TraceAbstraction took 1929.44 ms. Allocated memory was 96.5 MB in the beginning and 123.7 MB in the end (delta: 27.3 MB). Free memory was 55.2 MB in the beginning and 99.0 MB in the end (delta: -43.8 MB). Peak memory consumption was 53.3 MB. Max. memory is 16.1 GB. [2021-10-21 20:29:55,787 INFO L168 Benchmark]: Witness Printer took 151.89 ms. Allocated memory is still 123.7 MB. Free memory was 99.0 MB in the beginning and 92.7 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-21 20:29:55,789 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 79.7 MB. Free memory is still 59.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 562.17 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 42.1 MB in the beginning and 64.7 MB in the end (delta: -22.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 88.60 ms. Allocated memory is still 96.5 MB. Free memory was 64.7 MB in the beginning and 61.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 73.29 ms. Allocated memory is still 96.5 MB. Free memory was 61.7 MB in the beginning and 59.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1121.75 ms. Allocated memory is still 96.5 MB. Free memory was 59.4 MB in the beginning and 55.2 MB in the end (delta: 4.3 MB). Peak memory consumption was 29.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1929.44 ms. Allocated memory was 96.5 MB in the beginning and 123.7 MB in the end (delta: 27.3 MB). Free memory was 55.2 MB in the beginning and 99.0 MB in the end (delta: -43.8 MB). Peak memory consumption was 53.3 MB. Max. memory is 16.1 GB. * Witness Printer took 151.89 ms. Allocated memory is still 123.7 MB. Free memory was 99.0 MB in the beginning and 92.7 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.3 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: 643]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 643]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 643]: 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, 71 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1812.7ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 18.4ms, AutomataDifference: 437.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 231.1ms, InitialAbstractionConstructionTime: 16.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 310 SDtfs, 300 SDslu, 260 SDs, 0 SdLazy, 57 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 89.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 95.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=100occurred in iteration=4, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 74.3ms AutomataMinimizationTime, 5 MinimizatonAttempts, 63 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 94 NumberOfFragments, 116 HoareAnnotationTreeSize, 32 FomulaSimplifications, 1297 FormulaSimplificationTreeSizeReduction, 131.5ms HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 86.4ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 39.7ms SsaConstructionTime, 294.5ms SatisfiabilityAnalysisTime, 411.0ms InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 187 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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: 758]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 668]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 668]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 661]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 625]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 668]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-21 20:29:55,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dd3224-220d-407b-bda9-569ea936b1fd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...