./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b018d444-78ca-4528-b24d-594eb81f1371/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b018d444-78ca-4528-b24d-594eb81f1371/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b018d444-78ca-4528-b24d-594eb81f1371/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b018d444-78ca-4528-b24d-594eb81f1371/bin/uautomizer-DrprNOufMa/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_b018d444-78ca-4528-b24d-594eb81f1371/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b018d444-78ca-4528-b24d-594eb81f1371/bin/uautomizer-DrprNOufMa --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 7fffab71bdab4f0e8e57248febe72260063a133a0cb2741fe9829d7065610e52 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 18:41:56,197 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 18:41:56,198 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 18:41:56,227 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 18:41:56,228 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 18:41:56,229 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 18:41:56,231 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 18:41:56,233 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 18:41:56,235 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 18:41:56,236 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 18:41:56,237 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 18:41:56,238 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 18:41:56,238 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 18:41:56,240 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 18:41:56,241 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 18:41:56,242 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 18:41:56,243 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 18:41:56,244 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 18:41:56,246 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 18:41:56,249 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 18:41:56,251 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 18:41:56,252 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 18:41:56,253 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 18:41:56,254 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 18:41:56,257 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 18:41:56,258 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 18:41:56,258 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 18:41:56,259 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 18:41:56,260 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 18:41:56,261 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 18:41:56,261 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 18:41:56,262 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 18:41:56,263 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 18:41:56,264 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 18:41:56,265 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 18:41:56,265 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 18:41:56,266 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 18:41:56,266 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 18:41:56,266 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 18:41:56,267 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 18:41:56,267 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 18:41:56,268 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b018d444-78ca-4528-b24d-594eb81f1371/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 18:41:56,290 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 18:41:56,290 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 18:41:56,291 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 18:41:56,291 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 18:41:56,291 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 18:41:56,291 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 18:41:56,292 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 18:41:56,292 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 18:41:56,292 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 18:41:56,292 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 18:41:56,292 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 18:41:56,292 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 18:41:56,293 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 18:41:56,293 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 18:41:56,293 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 18:41:56,293 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 18:41:56,293 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 18:41:56,293 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 18:41:56,294 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 18:41:56,294 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 18:41:56,294 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 18:41:56,294 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 18:41:56,294 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 18:41:56,294 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 18:41:56,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 18:41:56,294 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 18:41:56,294 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 18:41:56,295 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 18:41:56,295 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 18:41:56,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 18:41:56,295 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 18:41:56,295 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 18:41:56,295 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 18:41:56,296 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 18:41:56,296 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_b018d444-78ca-4528-b24d-594eb81f1371/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b018d444-78ca-4528-b24d-594eb81f1371/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7fffab71bdab4f0e8e57248febe72260063a133a0cb2741fe9829d7065610e52 [2021-12-06 18:41:56,480 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 18:41:56,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 18:41:56,497 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 18:41:56,498 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 18:41:56,499 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 18:41:56,500 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b018d444-78ca-4528-b24d-594eb81f1371/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c [2021-12-06 18:41:56,540 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b018d444-78ca-4528-b24d-594eb81f1371/bin/uautomizer-DrprNOufMa/data/ce5d6be60/2907925820824a37960e1b3e634aba9e/FLAGc6bfa74ef [2021-12-06 18:41:56,961 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 18:41:56,961 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b018d444-78ca-4528-b24d-594eb81f1371/sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c [2021-12-06 18:41:56,972 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b018d444-78ca-4528-b24d-594eb81f1371/bin/uautomizer-DrprNOufMa/data/ce5d6be60/2907925820824a37960e1b3e634aba9e/FLAGc6bfa74ef [2021-12-06 18:41:56,983 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b018d444-78ca-4528-b24d-594eb81f1371/bin/uautomizer-DrprNOufMa/data/ce5d6be60/2907925820824a37960e1b3e634aba9e [2021-12-06 18:41:56,986 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 18:41:56,987 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 18:41:56,989 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 18:41:56,989 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 18:41:56,992 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 18:41:56,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:41:56" (1/1) ... [2021-12-06 18:41:56,993 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b6e8bab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:41:56, skipping insertion in model container [2021-12-06 18:41:56,993 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:41:56" (1/1) ... [2021-12-06 18:41:56,998 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 18:41:57,031 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 18:41:57,253 WARN L230 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_b018d444-78ca-4528-b24d-594eb81f1371/sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c[18328,18341] [2021-12-06 18:41:57,256 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 18:41:57,265 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 18:41:57,328 WARN L230 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_b018d444-78ca-4528-b24d-594eb81f1371/sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c[18328,18341] [2021-12-06 18:41:57,329 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 18:41:57,347 INFO L208 MainTranslator]: Completed translation [2021-12-06 18:41:57,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:41:57 WrapperNode [2021-12-06 18:41:57,347 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 18:41:57,348 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 18:41:57,348 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 18:41:57,349 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 18:41:57,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:41:57" (1/1) ... [2021-12-06 18:41:57,371 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:41:57" (1/1) ... [2021-12-06 18:41:57,396 INFO L137 Inliner]: procedures = 55, calls = 157, calls flagged for inlining = 22, calls inlined = 18, statements flattened = 248 [2021-12-06 18:41:57,397 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 18:41:57,397 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 18:41:57,397 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 18:41:57,398 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 18:41:57,405 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:41:57" (1/1) ... [2021-12-06 18:41:57,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:41:57" (1/1) ... [2021-12-06 18:41:57,409 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:41:57" (1/1) ... [2021-12-06 18:41:57,409 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:41:57" (1/1) ... [2021-12-06 18:41:57,415 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:41:57" (1/1) ... [2021-12-06 18:41:57,420 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:41:57" (1/1) ... [2021-12-06 18:41:57,422 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:41:57" (1/1) ... [2021-12-06 18:41:57,424 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 18:41:57,425 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 18:41:57,425 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 18:41:57,425 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 18:41:57,426 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:41:57" (1/1) ... [2021-12-06 18:41:57,433 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 18:41:57,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b018d444-78ca-4528-b24d-594eb81f1371/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:41:57,453 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b018d444-78ca-4528-b24d-594eb81f1371/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 18:41:57,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b018d444-78ca-4528-b24d-594eb81f1371/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 18:41:57,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 18:41:57,482 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-06 18:41:57,482 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-06 18:41:57,482 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-06 18:41:57,482 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-06 18:41:57,482 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-06 18:41:57,482 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-06 18:41:57,482 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-06 18:41:57,482 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-06 18:41:57,482 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-12-06 18:41:57,482 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-12-06 18:41:57,483 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-12-06 18:41:57,483 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-12-06 18:41:57,483 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-12-06 18:41:57,483 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-12-06 18:41:57,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 18:41:57,483 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-06 18:41:57,483 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-06 18:41:57,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 18:41:57,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 18:41:57,537 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 18:41:57,538 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 18:41:57,771 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 18:41:57,778 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 18:41:57,778 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-06 18:41:57,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:41:57 BoogieIcfgContainer [2021-12-06 18:41:57,779 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 18:41:57,781 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 18:41:57,781 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 18:41:57,785 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 18:41:57,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 06:41:56" (1/3) ... [2021-12-06 18:41:57,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e45b06d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:41:57, skipping insertion in model container [2021-12-06 18:41:57,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:41:57" (2/3) ... [2021-12-06 18:41:57,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e45b06d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:41:57, skipping insertion in model container [2021-12-06 18:41:57,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:41:57" (3/3) ... [2021-12-06 18:41:57,788 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product31.cil.c [2021-12-06 18:41:57,793 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 18:41:57,793 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 18:41:57,830 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 18:41:57,836 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 [2021-12-06 18:41:57,836 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 18:41:57,850 INFO L276 IsEmpty]: Start isEmpty. Operand has 90 states, 66 states have (on average 1.378787878787879) internal successors, (91), 75 states have internal predecessors, (91), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2021-12-06 18:41:57,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-12-06 18:41:57,854 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:41:57,855 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:41:57,855 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:41:57,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:41:57,861 INFO L85 PathProgramCache]: Analyzing trace with hash 751018144, now seen corresponding path program 1 times [2021-12-06 18:41:57,870 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:41:57,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381769207] [2021-12-06 18:41:57,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:41:57,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:41:57,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:41:58,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:41:58,029 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:41:58,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381769207] [2021-12-06 18:41:58,030 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381769207] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:41:58,030 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:41:58,030 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 18:41:58,031 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280490178] [2021-12-06 18:41:58,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:41:58,034 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-06 18:41:58,035 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:41:58,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 18:41:58,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 18:41:58,056 INFO L87 Difference]: Start difference. First operand has 90 states, 66 states have (on average 1.378787878787879) internal successors, (91), 75 states have internal predecessors, (91), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:41:58,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:41:58,080 INFO L93 Difference]: Finished difference Result 172 states and 233 transitions. [2021-12-06 18:41:58,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 18:41:58,082 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-12-06 18:41:58,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:41:58,091 INFO L225 Difference]: With dead ends: 172 [2021-12-06 18:41:58,092 INFO L226 Difference]: Without dead ends: 81 [2021-12-06 18:41:58,095 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 18:41:58,098 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 18:41:58,099 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 18:41:58,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2021-12-06 18:41:58,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2021-12-06 18:41:58,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 59 states have (on average 1.305084745762712) internal successors, (77), 67 states have internal predecessors, (77), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2021-12-06 18:41:58,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 104 transitions. [2021-12-06 18:41:58,135 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 104 transitions. Word has length 19 [2021-12-06 18:41:58,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:41:58,135 INFO L470 AbstractCegarLoop]: Abstraction has 81 states and 104 transitions. [2021-12-06 18:41:58,136 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:41:58,136 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 104 transitions. [2021-12-06 18:41:58,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-12-06 18:41:58,137 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:41:58,137 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:41:58,137 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 18:41:58,138 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:41:58,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:41:58,138 INFO L85 PathProgramCache]: Analyzing trace with hash -950488096, now seen corresponding path program 1 times [2021-12-06 18:41:58,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:41:58,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018840560] [2021-12-06 18:41:58,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:41:58,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:41:58,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:41:58,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:41:58,190 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:41:58,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018840560] [2021-12-06 18:41:58,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018840560] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:41:58,191 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:41:58,191 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 18:41:58,191 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773006371] [2021-12-06 18:41:58,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:41:58,192 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 18:41:58,192 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:41:58,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 18:41:58,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:41:58,193 INFO L87 Difference]: Start difference. First operand 81 states and 104 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:41:58,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:41:58,205 INFO L93 Difference]: Finished difference Result 124 states and 158 transitions. [2021-12-06 18:41:58,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 18:41:58,205 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-12-06 18:41:58,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:41:58,207 INFO L225 Difference]: With dead ends: 124 [2021-12-06 18:41:58,207 INFO L226 Difference]: Without dead ends: 72 [2021-12-06 18:41:58,207 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:41:58,209 INFO L933 BasicCegarLoop]: 91 mSDtfsCounter, 16 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 18:41:58,209 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 161 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 18:41:58,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2021-12-06 18:41:58,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2021-12-06 18:41:58,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 53 states have (on average 1.320754716981132) internal successors, (70), 61 states have internal predecessors, (70), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2021-12-06 18:41:58,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 92 transitions. [2021-12-06 18:41:58,218 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 92 transitions. Word has length 20 [2021-12-06 18:41:58,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:41:58,218 INFO L470 AbstractCegarLoop]: Abstraction has 72 states and 92 transitions. [2021-12-06 18:41:58,218 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:41:58,218 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 92 transitions. [2021-12-06 18:41:58,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-06 18:41:58,219 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:41:58,219 INFO L514 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] [2021-12-06 18:41:58,219 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 18:41:58,219 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:41:58,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:41:58,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1341231340, now seen corresponding path program 1 times [2021-12-06 18:41:58,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:41:58,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129731151] [2021-12-06 18:41:58,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:41:58,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:41:58,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:41:58,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:41:58,281 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:41:58,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129731151] [2021-12-06 18:41:58,281 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129731151] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:41:58,281 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:41:58,281 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:41:58,282 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591665561] [2021-12-06 18:41:58,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:41:58,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 18:41:58,282 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:41:58,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 18:41:58,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-06 18:41:58,283 INFO L87 Difference]: Start difference. First operand 72 states and 92 transitions. Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:41:58,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:41:58,415 INFO L93 Difference]: Finished difference Result 239 states and 313 transitions. [2021-12-06 18:41:58,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 18:41:58,416 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-12-06 18:41:58,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:41:58,419 INFO L225 Difference]: With dead ends: 239 [2021-12-06 18:41:58,419 INFO L226 Difference]: Without dead ends: 174 [2021-12-06 18:41:58,420 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-06 18:41:58,421 INFO L933 BasicCegarLoop]: 111 mSDtfsCounter, 244 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 18:41:58,421 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [244 Valid, 399 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 18:41:58,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2021-12-06 18:41:58,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 168. [2021-12-06 18:41:58,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 123 states have (on average 1.3577235772357723) internal successors, (167), 141 states have internal predecessors, (167), 26 states have call successors, (26), 18 states have call predecessors, (26), 18 states have return successors, (27), 16 states have call predecessors, (27), 26 states have call successors, (27) [2021-12-06 18:41:58,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 220 transitions. [2021-12-06 18:41:58,443 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 220 transitions. Word has length 24 [2021-12-06 18:41:58,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:41:58,443 INFO L470 AbstractCegarLoop]: Abstraction has 168 states and 220 transitions. [2021-12-06 18:41:58,444 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:41:58,444 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 220 transitions. [2021-12-06 18:41:58,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-12-06 18:41:58,445 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:41:58,445 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:41:58,445 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 18:41:58,445 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:41:58,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:41:58,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1307370678, now seen corresponding path program 1 times [2021-12-06 18:41:58,446 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:41:58,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801948782] [2021-12-06 18:41:58,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:41:58,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:41:58,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:41:58,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:41:58,531 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:41:58,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801948782] [2021-12-06 18:41:58,532 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801948782] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:41:58,532 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:41:58,532 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 18:41:58,532 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086440418] [2021-12-06 18:41:58,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:41:58,533 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 18:41:58,533 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:41:58,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 18:41:58,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-12-06 18:41:58,534 INFO L87 Difference]: Start difference. First operand 168 states and 220 transitions. Second operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:41:58,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:41:58,702 INFO L93 Difference]: Finished difference Result 635 states and 876 transitions. [2021-12-06 18:41:58,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-06 18:41:58,702 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-12-06 18:41:58,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:41:58,709 INFO L225 Difference]: With dead ends: 635 [2021-12-06 18:41:58,710 INFO L226 Difference]: Without dead ends: 474 [2021-12-06 18:41:58,712 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2021-12-06 18:41:58,714 INFO L933 BasicCegarLoop]: 105 mSDtfsCounter, 189 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 18:41:58,714 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [189 Valid, 652 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 18:41:58,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2021-12-06 18:41:58,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 459. [2021-12-06 18:41:58,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 332 states have (on average 1.3343373493975903) internal successors, (443), 381 states have internal predecessors, (443), 75 states have call successors, (75), 51 states have call predecessors, (75), 51 states have return successors, (89), 45 states have call predecessors, (89), 75 states have call successors, (89) [2021-12-06 18:41:58,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 607 transitions. [2021-12-06 18:41:58,762 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 607 transitions. Word has length 28 [2021-12-06 18:41:58,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:41:58,762 INFO L470 AbstractCegarLoop]: Abstraction has 459 states and 607 transitions. [2021-12-06 18:41:58,762 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:41:58,762 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 607 transitions. [2021-12-06 18:41:58,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-12-06 18:41:58,765 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:41:58,765 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:41:58,765 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 18:41:58,766 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:41:58,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:41:58,766 INFO L85 PathProgramCache]: Analyzing trace with hash -983490225, now seen corresponding path program 1 times [2021-12-06 18:41:58,766 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:41:58,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179701625] [2021-12-06 18:41:58,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:41:58,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:41:58,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:41:58,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:41:58,799 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:41:58,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179701625] [2021-12-06 18:41:58,799 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179701625] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:41:58,799 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:41:58,799 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 18:41:58,800 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734319320] [2021-12-06 18:41:58,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:41:58,800 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 18:41:58,800 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:41:58,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 18:41:58,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:41:58,801 INFO L87 Difference]: Start difference. First operand 459 states and 607 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:41:58,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:41:58,823 INFO L93 Difference]: Finished difference Result 764 states and 1029 transitions. [2021-12-06 18:41:58,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 18:41:58,823 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-12-06 18:41:58,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:41:58,825 INFO L225 Difference]: With dead ends: 764 [2021-12-06 18:41:58,825 INFO L226 Difference]: Without dead ends: 312 [2021-12-06 18:41:58,827 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:41:58,828 INFO L933 BasicCegarLoop]: 53 mSDtfsCounter, 38 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 18:41:58,828 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 53 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 18:41:58,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2021-12-06 18:41:58,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 306. [2021-12-06 18:41:58,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 233 states have (on average 1.2446351931330473) internal successors, (290), 249 states have internal predecessors, (290), 36 states have call successors, (36), 36 states have call predecessors, (36), 36 states have return successors, (42), 36 states have call predecessors, (42), 36 states have call successors, (42) [2021-12-06 18:41:58,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 368 transitions. [2021-12-06 18:41:58,853 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 368 transitions. Word has length 30 [2021-12-06 18:41:58,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:41:58,853 INFO L470 AbstractCegarLoop]: Abstraction has 306 states and 368 transitions. [2021-12-06 18:41:58,853 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:41:58,854 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 368 transitions. [2021-12-06 18:41:58,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-12-06 18:41:58,856 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:41:58,856 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:41:58,857 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 18:41:58,857 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:41:58,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:41:58,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1206380235, now seen corresponding path program 1 times [2021-12-06 18:41:58,858 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:41:58,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458987619] [2021-12-06 18:41:58,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:41:58,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:41:58,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:41:58,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 18:41:58,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:41:58,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 18:41:58,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:41:58,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 18:41:58,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:41:58,950 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-12-06 18:41:58,950 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:41:58,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458987619] [2021-12-06 18:41:58,950 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458987619] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 18:41:58,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1042097613] [2021-12-06 18:41:58,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:41:58,951 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 18:41:58,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b018d444-78ca-4528-b24d-594eb81f1371/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:41:58,952 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b018d444-78ca-4528-b24d-594eb81f1371/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 18:41:58,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b018d444-78ca-4528-b24d-594eb81f1371/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 18:41:59,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:41:59,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-06 18:41:59,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:41:59,166 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 18:41:59,167 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 18:41:59,340 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:41:59,341 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1042097613] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 18:41:59,341 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 18:41:59,341 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 15 [2021-12-06 18:41:59,341 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691747790] [2021-12-06 18:41:59,342 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 18:41:59,342 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-06 18:41:59,343 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:41:59,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-06 18:41:59,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2021-12-06 18:41:59,344 INFO L87 Difference]: Start difference. First operand 306 states and 368 transitions. Second operand has 15 states, 15 states have (on average 5.933333333333334) internal successors, (89), 12 states have internal predecessors, (89), 4 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2021-12-06 18:41:59,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:41:59,492 INFO L93 Difference]: Finished difference Result 413 states and 495 transitions. [2021-12-06 18:41:59,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 18:41:59,493 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.933333333333334) internal successors, (89), 12 states have internal predecessors, (89), 4 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 53 [2021-12-06 18:41:59,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:41:59,493 INFO L225 Difference]: With dead ends: 413 [2021-12-06 18:41:59,493 INFO L226 Difference]: Without dead ends: 0 [2021-12-06 18:41:59,494 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2021-12-06 18:41:59,495 INFO L933 BasicCegarLoop]: 75 mSDtfsCounter, 136 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 18:41:59,495 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 351 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 18:41:59,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-06 18:41:59,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-06 18:41:59,496 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) [2021-12-06 18:41:59,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-06 18:41:59,496 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 53 [2021-12-06 18:41:59,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:41:59,497 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 18:41:59,497 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.933333333333334) internal successors, (89), 12 states have internal predecessors, (89), 4 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2021-12-06 18:41:59,497 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-06 18:41:59,497 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-06 18:41:59,499 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 18:41:59,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b018d444-78ca-4528-b24d-594eb81f1371/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 18:41:59,699 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b018d444-78ca-4528-b24d-594eb81f1371/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-12-06 18:41:59,701 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-06 18:42:00,373 INFO L861 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 832 839) the Hoare annotation is: true [2021-12-06 18:42:00,373 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 832 839) no Hoare annotation was computed. [2021-12-06 18:42:00,373 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 832 839) no Hoare annotation was computed. [2021-12-06 18:42:00,373 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 748 754) no Hoare annotation was computed. [2021-12-06 18:42:00,373 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 748 754) the Hoare annotation is: true [2021-12-06 18:42:00,373 INFO L858 garLoopResultBuilder]: For program point L590-1(lines 586 597) no Hoare annotation was computed. [2021-12-06 18:42:00,374 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 586 597) the Hoare annotation is: true [2021-12-06 18:42:00,374 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 586 597) no Hoare annotation was computed. [2021-12-06 18:42:00,374 INFO L858 garLoopResultBuilder]: For program point L944(lines 944 950) no Hoare annotation was computed. [2021-12-06 18:42:00,374 INFO L858 garLoopResultBuilder]: For program point L940(lines 940 953) no Hoare annotation was computed. [2021-12-06 18:42:00,374 INFO L854 garLoopResultBuilder]: At program point L940-1(lines 932 956) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= |timeShift_getWaterLevel_#res#1| 0))) (.cse3 (not (= |timeShift___utac_acc__Specification4_spec__1_~tmp~9#1| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 .cse2 .cse3 (= ~waterLevel~0 1))) (or .cse0 (and .cse1 .cse2 .cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 2 |old(~waterLevel~0)|))))) [2021-12-06 18:42:00,374 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 724 747) no Hoare annotation was computed. [2021-12-06 18:42:00,374 INFO L854 garLoopResultBuilder]: At program point L796(line 796) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2021-12-06 18:42:00,375 INFO L854 garLoopResultBuilder]: At program point L635(lines 630 638) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= |timeShift_getWaterLevel_#res#1| 0)))) (and (or .cse0 (and .cse1 .cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 .cse2 (= ~waterLevel~0 1))))) [2021-12-06 18:42:00,375 INFO L854 garLoopResultBuilder]: At program point L792(line 792) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2021-12-06 18:42:00,375 INFO L854 garLoopResultBuilder]: At program point L788(line 788) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2021-12-06 18:42:00,375 INFO L858 garLoopResultBuilder]: For program point L788-1(line 788) no Hoare annotation was computed. [2021-12-06 18:42:00,375 INFO L858 garLoopResultBuilder]: For program point L962(line 962) no Hoare annotation was computed. [2021-12-06 18:42:00,375 INFO L854 garLoopResultBuilder]: At program point L801(line 801) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (not (= 0 ~systemActive~0)))) (and (or (and .cse0 (= ~waterLevel~0 1) .cse1) .cse2 (not (= |old(~waterLevel~0)| 1))) (or .cse2 (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (<= 2 |old(~waterLevel~0)|))))) [2021-12-06 18:42:00,376 INFO L854 garLoopResultBuilder]: At program point L801-1(lines 782 806) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (not (= 0 ~systemActive~0)))) (and (or (and .cse0 (= ~waterLevel~0 1) .cse1) .cse2 (not (= |old(~waterLevel~0)| 1))) (or .cse2 (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (<= 2 |old(~waterLevel~0)|))))) [2021-12-06 18:42:00,376 INFO L858 garLoopResultBuilder]: For program point L735-1(lines 735 741) no Hoare annotation was computed. [2021-12-06 18:42:00,376 INFO L858 garLoopResultBuilder]: For program point L566(lines 566 570) no Hoare annotation was computed. [2021-12-06 18:42:00,376 INFO L854 garLoopResultBuilder]: At program point L566-2(lines 562 573) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2021-12-06 18:42:00,376 INFO L854 garLoopResultBuilder]: At program point L963(lines 958 965) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2021-12-06 18:42:00,376 INFO L854 garLoopResultBuilder]: At program point L856(lines 851 859) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2021-12-06 18:42:00,376 INFO L858 garLoopResultBuilder]: For program point L728-1(lines 727 746) no Hoare annotation was computed. [2021-12-06 18:42:00,376 INFO L858 garLoopResultBuilder]: For program point L790(lines 790 798) no Hoare annotation was computed. [2021-12-06 18:42:00,377 INFO L858 garLoopResultBuilder]: For program point L786(lines 786 803) no Hoare annotation was computed. [2021-12-06 18:42:00,377 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 724 747) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 (= ~waterLevel~0 1))) (or .cse0 (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 2 |old(~waterLevel~0)|))))) [2021-12-06 18:42:00,377 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 724 747) no Hoare annotation was computed. [2021-12-06 18:42:00,377 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 962) no Hoare annotation was computed. [2021-12-06 18:42:00,377 INFO L861 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2021-12-06 18:42:00,377 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2021-12-06 18:42:00,377 INFO L858 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2021-12-06 18:42:00,378 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 52 81) the Hoare annotation is: true [2021-12-06 18:42:00,378 INFO L861 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2021-12-06 18:42:00,378 INFO L861 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2021-12-06 18:42:00,378 INFO L858 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2021-12-06 18:42:00,378 INFO L861 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true [2021-12-06 18:42:00,378 INFO L858 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-12-06 18:42:00,378 INFO L858 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2021-12-06 18:42:00,378 INFO L854 garLoopResultBuilder]: At program point L927(lines 915 929) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~0#1|) .cse0 (= |ULTIMATE.start_valid_product_#res#1| ~waterLevel~0) .cse1 (= ~waterLevel~0 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2021-12-06 18:42:00,379 INFO L854 garLoopResultBuilder]: At program point L184(lines 179 187) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-06 18:42:00,379 INFO L858 garLoopResultBuilder]: For program point L696(lines 696 702) no Hoare annotation was computed. [2021-12-06 18:42:00,379 INFO L858 garLoopResultBuilder]: For program point L919(lines 919 925) no Hoare annotation was computed. [2021-12-06 18:42:00,379 INFO L858 garLoopResultBuilder]: For program point L919-1(lines 919 925) no Hoare annotation was computed. [2021-12-06 18:42:00,379 INFO L854 garLoopResultBuilder]: At program point L696-2(lines 690 703) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~0#1|) .cse0 (= |ULTIMATE.start_valid_product_#res#1| ~waterLevel~0) .cse1 (= ~waterLevel~0 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2021-12-06 18:42:00,379 INFO L854 garLoopResultBuilder]: At program point L176(lines 172 178) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-06 18:42:00,379 INFO L858 garLoopResultBuilder]: For program point L680(lines 680 686) no Hoare annotation was computed. [2021-12-06 18:42:00,380 INFO L858 garLoopResultBuilder]: For program point L680-1(lines 680 686) no Hoare annotation was computed. [2021-12-06 18:42:00,380 INFO L854 garLoopResultBuilder]: At program point L705(lines 660 707) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~0#1|) .cse0 (= |ULTIMATE.start_valid_product_#res#1| ~waterLevel~0) .cse1 (= ~waterLevel~0 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2021-12-06 18:42:00,380 INFO L854 garLoopResultBuilder]: At program point L672(line 672) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~0#1|) .cse0 (= |ULTIMATE.start_valid_product_#res#1| ~waterLevel~0) .cse1 (= ~waterLevel~0 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2021-12-06 18:42:00,380 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-06 18:42:00,380 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-06 18:42:00,380 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-06 18:42:00,380 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2021-12-06 18:42:00,380 INFO L858 garLoopResultBuilder]: For program point L140-2(lines 140 147) no Hoare annotation was computed. [2021-12-06 18:42:00,381 INFO L854 garLoopResultBuilder]: At program point L169(lines 165 171) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-06 18:42:00,381 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-06 18:42:00,381 INFO L861 garLoopResultBuilder]: At program point L124(lines 117 126) the Hoare annotation is: true [2021-12-06 18:42:00,381 INFO L854 garLoopResultBuilder]: At program point L921(line 921) the Hoare annotation is: false [2021-12-06 18:42:00,381 INFO L858 garLoopResultBuilder]: For program point L661(lines 660 707) no Hoare annotation was computed. [2021-12-06 18:42:00,381 INFO L861 garLoopResultBuilder]: At program point L149(lines 130 152) the Hoare annotation is: true [2021-12-06 18:42:00,381 INFO L858 garLoopResultBuilder]: For program point L690(lines 690 703) no Hoare annotation was computed. [2021-12-06 18:42:00,381 INFO L854 garLoopResultBuilder]: At program point L682(line 682) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~0#1|) .cse0 (= |ULTIMATE.start_valid_product_#res#1| ~waterLevel~0) .cse1 (= ~waterLevel~0 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2021-12-06 18:42:00,382 INFO L861 garLoopResultBuilder]: At program point L711(lines 650 715) the Hoare annotation is: true [2021-12-06 18:42:00,382 INFO L858 garLoopResultBuilder]: For program point L670(lines 670 676) no Hoare annotation was computed. [2021-12-06 18:42:00,382 INFO L858 garLoopResultBuilder]: For program point L670-1(lines 670 676) no Hoare annotation was computed. [2021-12-06 18:42:00,382 INFO L858 garLoopResultBuilder]: For program point L662(lines 662 666) no Hoare annotation was computed. [2021-12-06 18:42:00,382 INFO L854 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-06 18:42:00,382 INFO L854 garLoopResultBuilder]: At program point L708(lines 659 709) the Hoare annotation is: false [2021-12-06 18:42:00,382 INFO L858 garLoopResultBuilder]: For program point L578-1(lines 574 585) no Hoare annotation was computed. [2021-12-06 18:42:00,382 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 574 585) no Hoare annotation was computed. [2021-12-06 18:42:00,383 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 574 585) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)))) [2021-12-06 18:42:00,383 INFO L854 garLoopResultBuilder]: At program point L766(line 766) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0)) [2021-12-06 18:42:00,383 INFO L858 garLoopResultBuilder]: For program point L764(lines 764 772) no Hoare annotation was computed. [2021-12-06 18:42:00,383 INFO L858 garLoopResultBuilder]: For program point L760(lines 760 777) no Hoare annotation was computed. [2021-12-06 18:42:00,383 INFO L854 garLoopResultBuilder]: At program point L911(lines 896 914) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0)) [2021-12-06 18:42:00,383 INFO L858 garLoopResultBuilder]: For program point L905(lines 905 909) no Hoare annotation was computed. [2021-12-06 18:42:00,383 INFO L858 garLoopResultBuilder]: For program point L905-2(lines 905 909) no Hoare annotation was computed. [2021-12-06 18:42:00,383 INFO L854 garLoopResultBuilder]: At program point L775(line 775) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0)) [2021-12-06 18:42:00,383 INFO L858 garLoopResultBuilder]: For program point L775-1(lines 756 780) no Hoare annotation was computed. [2021-12-06 18:42:00,384 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 756 780) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0)) [2021-12-06 18:42:00,384 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 756 780) no Hoare annotation was computed. [2021-12-06 18:42:00,384 INFO L854 garLoopResultBuilder]: At program point L644(lines 639 647) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0)) [2021-12-06 18:42:00,384 INFO L854 garLoopResultBuilder]: At program point L770(line 770) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0)) [2021-12-06 18:42:00,384 INFO L861 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 840 850) the Hoare annotation is: true [2021-12-06 18:42:00,384 INFO L861 garLoopResultBuilder]: At program point L603(lines 598 606) the Hoare annotation is: true [2021-12-06 18:42:00,384 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 840 850) no Hoare annotation was computed. [2021-12-06 18:42:00,384 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 840 850) no Hoare annotation was computed. [2021-12-06 18:42:00,388 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-12-06 18:42:00,389 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 18:42:00,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 06:42:00 BoogieIcfgContainer [2021-12-06 18:42:00,409 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 18:42:00,409 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 18:42:00,410 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 18:42:00,410 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 18:42:00,410 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:41:57" (3/4) ... [2021-12-06 18:42:00,413 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-06 18:42:00,419 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-12-06 18:42:00,419 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-06 18:42:00,419 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-06 18:42:00,419 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-06 18:42:00,419 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-06 18:42:00,420 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-06 18:42:00,420 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2021-12-06 18:42:00,420 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2021-12-06 18:42:00,427 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2021-12-06 18:42:00,427 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-06 18:42:00,428 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-06 18:42:00,428 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-06 18:42:00,429 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-06 18:42:00,429 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 18:42:00,430 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 18:42:00,447 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2021-12-06 18:42:00,448 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && pumpRunning == 0) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2021-12-06 18:42:00,448 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel == tmp && pumpRunning == 0) && \result == waterLevel) && splverifierCounter == 0) && waterLevel == 1) || ((pumpRunning == 0 && 2 <= waterLevel) && splverifierCounter == 0) [2021-12-06 18:42:00,449 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel)) [2021-12-06 18:42:00,449 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive)) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 1)) && ((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(2 <= \old(waterLevel))) [2021-12-06 18:42:00,450 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && !(\result == 0)) && \old(waterLevel) == waterLevel)) || !(2 <= \old(waterLevel))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || ((pumpRunning == 0 && !(\result == 0)) && waterLevel == 1)) [2021-12-06 18:42:00,450 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel == tmp && pumpRunning == 0) && \result == waterLevel) && splverifierCounter == 0) && waterLevel == 1) || ((pumpRunning == 0 && 2 <= waterLevel) && splverifierCounter == 0) [2021-12-06 18:42:00,451 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (((pumpRunning == 0 && !(\result == 0)) && !(tmp == 0)) && waterLevel == 1)) && ((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && !(\result == 0)) && !(tmp == 0)) && \old(waterLevel) == waterLevel)) || !(2 <= \old(waterLevel))) [2021-12-06 18:42:00,451 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || 0 == systemActive [2021-12-06 18:42:00,451 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel)) [2021-12-06 18:42:00,451 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || 0 == systemActive [2021-12-06 18:42:00,452 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel)) [2021-12-06 18:42:00,477 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b018d444-78ca-4528-b24d-594eb81f1371/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 18:42:00,477 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 18:42:00,478 INFO L158 Benchmark]: Toolchain (without parser) took 3490.85ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 65.7MB in the beginning and 73.8MB in the end (delta: -8.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-06 18:42:00,478 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 100.7MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 18:42:00,479 INFO L158 Benchmark]: CACSL2BoogieTranslator took 358.86ms. Allocated memory is still 100.7MB. Free memory was 65.5MB in the beginning and 70.7MB in the end (delta: -5.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-06 18:42:00,479 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.28ms. Allocated memory is still 100.7MB. Free memory was 70.7MB in the beginning and 68.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 18:42:00,479 INFO L158 Benchmark]: Boogie Preprocessor took 27.16ms. Allocated memory is still 100.7MB. Free memory was 68.2MB in the beginning and 66.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 18:42:00,480 INFO L158 Benchmark]: RCFGBuilder took 354.40ms. Allocated memory is still 100.7MB. Free memory was 66.9MB in the beginning and 50.6MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-06 18:42:00,480 INFO L158 Benchmark]: TraceAbstraction took 2627.92ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 50.2MB in the beginning and 80.1MB in the end (delta: -29.9MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. [2021-12-06 18:42:00,480 INFO L158 Benchmark]: Witness Printer took 68.11ms. Allocated memory is still 121.6MB. Free memory was 80.1MB in the beginning and 73.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-06 18:42:00,482 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 100.7MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 358.86ms. Allocated memory is still 100.7MB. Free memory was 65.5MB in the beginning and 70.7MB in the end (delta: -5.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.28ms. Allocated memory is still 100.7MB. Free memory was 70.7MB in the beginning and 68.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.16ms. Allocated memory is still 100.7MB. Free memory was 68.2MB in the beginning and 66.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 354.40ms. Allocated memory is still 100.7MB. Free memory was 66.9MB in the beginning and 50.6MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2627.92ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 50.2MB in the beginning and 80.1MB in the end (delta: -29.9MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. * Witness Printer took 68.11ms. Allocated memory is still 121.6MB. Free memory was 80.1MB in the beginning and 73.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 962]: 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 9 procedures, 90 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 627 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 623 mSDsluCounter, 1729 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1181 mSDsCounter, 117 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 469 IncrementalHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 117 mSolverCounterUnsat, 548 mSDtfsCounter, 469 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 151 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=459occurred in iteration=4, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 27 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 668 PreInvPairs, 726 NumberOfFragments, 561 HoareAnnotationTreeSize, 668 FomulaSimplifications, 310 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 42 FomulaSimplificationsInter, 2645 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 227 NumberOfCodeBlocks, 227 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 272 ConstructedInterpolants, 0 QuantifiedInterpolants, 735 SizeOfPredicates, 0 NumberOfNonLiveVariables, 363 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 48/54 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 1 specifications checked. All of them hold - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && !(\result == 0)) && \old(waterLevel) == waterLevel)) || !(2 <= \old(waterLevel))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || ((pumpRunning == 0 && !(\result == 0)) && waterLevel == 1)) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || 0 == systemActive - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: ((((waterLevel == tmp && pumpRunning == 0) && \result == waterLevel) && splverifierCounter == 0) && waterLevel == 1) || ((pumpRunning == 0 && 2 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel)) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: (((tmp == systemActive && pumpRunning == 0) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 958]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel)) - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || 0 == systemActive - InvariantResult [Line: 915]: Loop Invariant Derived loop invariant: ((((waterLevel == tmp && pumpRunning == 0) && \result == waterLevel) && splverifierCounter == 0) && waterLevel == 1) || ((pumpRunning == 0 && 2 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel)) - InvariantResult [Line: 932]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (((pumpRunning == 0 && !(\result == 0)) && !(tmp == 0)) && waterLevel == 1)) && ((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && !(\result == 0)) && !(tmp == 0)) && \old(waterLevel) == waterLevel)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive)) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 1)) && ((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(2 <= \old(waterLevel))) RESULT: Ultimate proved your program to be correct! [2021-12-06 18:42:00,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b018d444-78ca-4528-b24d-594eb81f1371/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE