./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product41.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_cc40c3b1-54da-49db-8991-4828a1100d55/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc40c3b1-54da-49db-8991-4828a1100d55/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_cc40c3b1-54da-49db-8991-4828a1100d55/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc40c3b1-54da-49db-8991-4828a1100d55/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc40c3b1-54da-49db-8991-4828a1100d55/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_cc40c3b1-54da-49db-8991-4828a1100d55/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 6e630fd4f7f92b97a7712eadcda02cdabe0d357899fc48fb3e7885213e7a8b80 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 01:46:10,162 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 01:46:10,164 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 01:46:10,194 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 01:46:10,195 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 01:46:10,196 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 01:46:10,198 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 01:46:10,200 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 01:46:10,202 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 01:46:10,203 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 01:46:10,204 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 01:46:10,206 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 01:46:10,206 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 01:46:10,208 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 01:46:10,209 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 01:46:10,211 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 01:46:10,212 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 01:46:10,213 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 01:46:10,215 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 01:46:10,217 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 01:46:10,219 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 01:46:10,220 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 01:46:10,221 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 01:46:10,222 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 01:46:10,226 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 01:46:10,226 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 01:46:10,227 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 01:46:10,228 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 01:46:10,228 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 01:46:10,229 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 01:46:10,230 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 01:46:10,231 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 01:46:10,231 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 01:46:10,232 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 01:46:10,233 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 01:46:10,234 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 01:46:10,234 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 01:46:10,234 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 01:46:10,235 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 01:46:10,235 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 01:46:10,236 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 01:46:10,237 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc40c3b1-54da-49db-8991-4828a1100d55/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-07 01:46:10,259 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 01:46:10,259 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 01:46:10,260 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 01:46:10,260 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 01:46:10,261 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 01:46:10,261 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 01:46:10,261 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 01:46:10,261 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 01:46:10,262 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 01:46:10,262 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 01:46:10,262 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-07 01:46:10,262 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 01:46:10,262 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-07 01:46:10,263 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 01:46:10,263 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 01:46:10,263 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 01:46:10,263 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 01:46:10,263 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-07 01:46:10,263 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 01:46:10,264 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 01:46:10,264 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 01:46:10,264 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 01:46:10,264 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 01:46:10,264 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 01:46:10,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 01:46:10,265 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 01:46:10,265 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 01:46:10,265 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 01:46:10,265 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 01:46:10,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 01:46:10,266 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 01:46:10,266 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-07 01:46:10,266 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 01:46:10,266 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 01:46:10,266 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_cc40c3b1-54da-49db-8991-4828a1100d55/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc40c3b1-54da-49db-8991-4828a1100d55/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e630fd4f7f92b97a7712eadcda02cdabe0d357899fc48fb3e7885213e7a8b80 [2021-12-07 01:46:10,458 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 01:46:10,473 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 01:46:10,475 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 01:46:10,476 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 01:46:10,476 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 01:46:10,477 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc40c3b1-54da-49db-8991-4828a1100d55/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c [2021-12-07 01:46:10,523 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc40c3b1-54da-49db-8991-4828a1100d55/bin/uautomizer-DrprNOufMa/data/fdb45f2dd/13d528f99634486db169f73a59dd4009/FLAG3aed9f2ce [2021-12-07 01:46:10,953 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 01:46:10,953 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc40c3b1-54da-49db-8991-4828a1100d55/sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c [2021-12-07 01:46:10,963 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc40c3b1-54da-49db-8991-4828a1100d55/bin/uautomizer-DrprNOufMa/data/fdb45f2dd/13d528f99634486db169f73a59dd4009/FLAG3aed9f2ce [2021-12-07 01:46:10,973 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc40c3b1-54da-49db-8991-4828a1100d55/bin/uautomizer-DrprNOufMa/data/fdb45f2dd/13d528f99634486db169f73a59dd4009 [2021-12-07 01:46:10,974 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 01:46:10,975 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 01:46:10,976 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 01:46:10,977 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 01:46:10,979 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 01:46:10,979 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:46:10" (1/1) ... [2021-12-07 01:46:10,980 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@613d8b85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:46:10, skipping insertion in model container [2021-12-07 01:46:10,980 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:46:10" (1/1) ... [2021-12-07 01:46:10,986 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 01:46:11,022 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 01:46:11,209 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_cc40c3b1-54da-49db-8991-4828a1100d55/sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c[18234,18247] [2021-12-07 01:46:11,211 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:46:11,218 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 01:46:11,265 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_cc40c3b1-54da-49db-8991-4828a1100d55/sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c[18234,18247] [2021-12-07 01:46:11,266 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:46:11,278 INFO L208 MainTranslator]: Completed translation [2021-12-07 01:46:11,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:46:11 WrapperNode [2021-12-07 01:46:11,279 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 01:46:11,280 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 01:46:11,280 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 01:46:11,280 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 01:46:11,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:46:11" (1/1) ... [2021-12-07 01:46:11,296 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:46:11" (1/1) ... [2021-12-07 01:46:11,315 INFO L137 Inliner]: procedures = 55, calls = 154, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 251 [2021-12-07 01:46:11,315 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 01:46:11,316 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 01:46:11,316 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 01:46:11,316 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 01:46:11,322 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:46:11" (1/1) ... [2021-12-07 01:46:11,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:46:11" (1/1) ... [2021-12-07 01:46:11,325 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:46:11" (1/1) ... [2021-12-07 01:46:11,325 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:46:11" (1/1) ... [2021-12-07 01:46:11,329 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:46:11" (1/1) ... [2021-12-07 01:46:11,333 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:46:11" (1/1) ... [2021-12-07 01:46:11,335 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:46:11" (1/1) ... [2021-12-07 01:46:11,337 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 01:46:11,338 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 01:46:11,338 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 01:46:11,338 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 01:46:11,339 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:46:11" (1/1) ... [2021-12-07 01:46:11,345 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 01:46:11,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc40c3b1-54da-49db-8991-4828a1100d55/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:46:11,364 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc40c3b1-54da-49db-8991-4828a1100d55/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 01:46:11,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc40c3b1-54da-49db-8991-4828a1100d55/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 01:46:11,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 01:46:11,395 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-07 01:46:11,395 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-07 01:46:11,395 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-07 01:46:11,395 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-07 01:46:11,395 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-07 01:46:11,395 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-07 01:46:11,395 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-07 01:46:11,395 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-07 01:46:11,396 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-12-07 01:46:11,396 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-12-07 01:46:11,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 01:46:11,396 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-07 01:46:11,396 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-07 01:46:11,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 01:46:11,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 01:46:11,454 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 01:46:11,455 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 01:46:11,670 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 01:46:11,676 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 01:46:11,676 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-07 01:46:11,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:46:11 BoogieIcfgContainer [2021-12-07 01:46:11,677 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 01:46:11,679 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 01:46:11,679 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 01:46:11,681 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 01:46:11,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:46:10" (1/3) ... [2021-12-07 01:46:11,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f54d93b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:46:11, skipping insertion in model container [2021-12-07 01:46:11,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:46:11" (2/3) ... [2021-12-07 01:46:11,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f54d93b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:46:11, skipping insertion in model container [2021-12-07 01:46:11,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:46:11" (3/3) ... [2021-12-07 01:46:11,683 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product41.cil.c [2021-12-07 01:46:11,687 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 01:46:11,687 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-07 01:46:11,722 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 01:46:11,727 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 [2021-12-07 01:46:11,727 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-07 01:46:11,743 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 66 states have (on average 1.378787878787879) internal successors, (91), 72 states have internal predecessors, (91), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2021-12-07 01:46:11,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-07 01:46:11,749 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:46:11,749 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:46:11,750 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:46:11,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:46:11,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1799110499, now seen corresponding path program 1 times [2021-12-07 01:46:11,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:46:11,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326612185] [2021-12-07 01:46:11,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:46:11,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:46:11,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:11,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-07 01:46:11,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:11,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-07 01:46:11,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:11,923 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-07 01:46:11,924 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:46:11,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326612185] [2021-12-07 01:46:11,925 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326612185] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:46:11,925 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:46:11,925 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 01:46:11,926 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047527354] [2021-12-07 01:46:11,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:46:11,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-07 01:46:11,930 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:46:11,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-07 01:46:11,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-07 01:46:11,952 INFO L87 Difference]: Start difference. First operand has 84 states, 66 states have (on average 1.378787878787879) internal successors, (91), 72 states have internal predecessors, (91), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-07 01:46:11,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:46:11,976 INFO L93 Difference]: Finished difference Result 159 states and 216 transitions. [2021-12-07 01:46:11,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 01:46:11,977 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2021-12-07 01:46:11,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:46:11,984 INFO L225 Difference]: With dead ends: 159 [2021-12-07 01:46:11,984 INFO L226 Difference]: Without dead ends: 75 [2021-12-07 01:46:11,987 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-07 01:46:11,990 INFO L933 BasicCegarLoop]: 105 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, 105 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 [2021-12-07 01:46:11,991 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 01:46:12,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-12-07 01:46:12,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2021-12-07 01:46:12,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 59 states have (on average 1.305084745762712) internal successors, (77), 64 states have internal predecessors, (77), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2021-12-07 01:46:12,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 96 transitions. [2021-12-07 01:46:12,026 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 96 transitions. Word has length 32 [2021-12-07 01:46:12,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:46:12,026 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 96 transitions. [2021-12-07 01:46:12,026 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-07 01:46:12,026 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 96 transitions. [2021-12-07 01:46:12,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-12-07 01:46:12,029 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:46:12,029 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:46:12,029 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-07 01:46:12,029 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:46:12,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:46:12,030 INFO L85 PathProgramCache]: Analyzing trace with hash -843212119, now seen corresponding path program 1 times [2021-12-07 01:46:12,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:46:12,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522739412] [2021-12-07 01:46:12,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:46:12,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:46:12,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:12,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 01:46:12,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:12,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-07 01:46:12,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:12,108 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-07 01:46:12,108 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:46:12,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522739412] [2021-12-07 01:46:12,108 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522739412] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:46:12,108 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:46:12,108 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 01:46:12,109 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130902190] [2021-12-07 01:46:12,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:46:12,110 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:46:12,110 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:46:12,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:46:12,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:46:12,111 INFO L87 Difference]: Start difference. First operand 75 states and 96 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-07 01:46:12,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:46:12,142 INFO L93 Difference]: Finished difference Result 142 states and 187 transitions. [2021-12-07 01:46:12,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:46:12,142 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2021-12-07 01:46:12,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:46:12,144 INFO L225 Difference]: With dead ends: 142 [2021-12-07 01:46:12,144 INFO L226 Difference]: Without dead ends: 75 [2021-12-07 01:46:12,145 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:46:12,146 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 73 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 94 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 [2021-12-07 01:46:12,146 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [73 Valid, 94 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 01:46:12,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-12-07 01:46:12,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2021-12-07 01:46:12,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 59 states have (on average 1.2881355932203389) internal successors, (76), 64 states have internal predecessors, (76), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2021-12-07 01:46:12,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 95 transitions. [2021-12-07 01:46:12,157 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 95 transitions. Word has length 37 [2021-12-07 01:46:12,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:46:12,158 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 95 transitions. [2021-12-07 01:46:12,158 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-07 01:46:12,158 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 95 transitions. [2021-12-07 01:46:12,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-12-07 01:46:12,159 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:46:12,159 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:46:12,160 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-07 01:46:12,160 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:46:12,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:46:12,160 INFO L85 PathProgramCache]: Analyzing trace with hash 404070432, now seen corresponding path program 1 times [2021-12-07 01:46:12,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:46:12,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677039905] [2021-12-07 01:46:12,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:46:12,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:46:12,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:12,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 01:46:12,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:12,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-07 01:46:12,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:12,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-07 01:46:12,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:12,212 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-07 01:46:12,212 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:46:12,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677039905] [2021-12-07 01:46:12,212 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677039905] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:46:12,212 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:46:12,212 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 01:46:12,212 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399790775] [2021-12-07 01:46:12,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:46:12,213 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:46:12,213 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:46:12,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:46:12,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:46:12,214 INFO L87 Difference]: Start difference. First operand 75 states and 95 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-07 01:46:12,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:46:12,223 INFO L93 Difference]: Finished difference Result 115 states and 145 transitions. [2021-12-07 01:46:12,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:46:12,224 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 38 [2021-12-07 01:46:12,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:46:12,225 INFO L225 Difference]: With dead ends: 115 [2021-12-07 01:46:12,225 INFO L226 Difference]: Without dead ends: 66 [2021-12-07 01:46:12,225 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:46:12,226 INFO L933 BasicCegarLoop]: 82 mSDtfsCounter, 12 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 148 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 [2021-12-07 01:46:12,227 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 148 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 01:46:12,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2021-12-07 01:46:12,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2021-12-07 01:46:12,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 53 states have (on average 1.3018867924528301) internal successors, (69), 58 states have internal predecessors, (69), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2021-12-07 01:46:12,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 83 transitions. [2021-12-07 01:46:12,235 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 83 transitions. Word has length 38 [2021-12-07 01:46:12,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:46:12,235 INFO L470 AbstractCegarLoop]: Abstraction has 66 states and 83 transitions. [2021-12-07 01:46:12,235 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-07 01:46:12,235 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 83 transitions. [2021-12-07 01:46:12,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-12-07 01:46:12,236 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:46:12,236 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:46:12,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-07 01:46:12,236 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:46:12,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:46:12,237 INFO L85 PathProgramCache]: Analyzing trace with hash -611781306, now seen corresponding path program 1 times [2021-12-07 01:46:12,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:46:12,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049014324] [2021-12-07 01:46:12,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:46:12,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:46:12,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:12,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 01:46:12,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:12,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-07 01:46:12,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:12,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-07 01:46:12,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:12,300 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-07 01:46:12,300 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:46:12,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049014324] [2021-12-07 01:46:12,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049014324] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:46:12,300 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:46:12,301 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 01:46:12,301 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507863719] [2021-12-07 01:46:12,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:46:12,301 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:46:12,302 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:46:12,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:46:12,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:46:12,303 INFO L87 Difference]: Start difference. First operand 66 states and 83 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-07 01:46:12,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:46:12,327 INFO L93 Difference]: Finished difference Result 168 states and 216 transitions. [2021-12-07 01:46:12,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:46:12,327 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 42 [2021-12-07 01:46:12,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:46:12,329 INFO L225 Difference]: With dead ends: 168 [2021-12-07 01:46:12,329 INFO L226 Difference]: Without dead ends: 110 [2021-12-07 01:46:12,330 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:46:12,331 INFO L933 BasicCegarLoop]: 92 mSDtfsCounter, 52 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:46:12,331 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 148 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 01:46:12,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2021-12-07 01:46:12,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 108. [2021-12-07 01:46:12,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 85 states have (on average 1.2941176470588236) internal successors, (110), 92 states have internal predecessors, (110), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2021-12-07 01:46:12,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 136 transitions. [2021-12-07 01:46:12,344 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 136 transitions. Word has length 42 [2021-12-07 01:46:12,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:46:12,344 INFO L470 AbstractCegarLoop]: Abstraction has 108 states and 136 transitions. [2021-12-07 01:46:12,344 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-07 01:46:12,344 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 136 transitions. [2021-12-07 01:46:12,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-12-07 01:46:12,346 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:46:12,346 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:46:12,346 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-07 01:46:12,346 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:46:12,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:46:12,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1086611922, now seen corresponding path program 1 times [2021-12-07 01:46:12,347 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:46:12,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297845726] [2021-12-07 01:46:12,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:46:12,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:46:12,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:12,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 01:46:12,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:12,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-07 01:46:12,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:12,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-07 01:46:12,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:12,413 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-07 01:46:12,413 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:46:12,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297845726] [2021-12-07 01:46:12,413 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297845726] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:46:12,413 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:46:12,413 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 01:46:12,413 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105043168] [2021-12-07 01:46:12,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:46:12,414 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:46:12,414 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:46:12,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:46:12,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:46:12,415 INFO L87 Difference]: Start difference. First operand 108 states and 136 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-07 01:46:12,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:46:12,480 INFO L93 Difference]: Finished difference Result 213 states and 272 transitions. [2021-12-07 01:46:12,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 01:46:12,481 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 48 [2021-12-07 01:46:12,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:46:12,482 INFO L225 Difference]: With dead ends: 213 [2021-12-07 01:46:12,482 INFO L226 Difference]: Without dead ends: 113 [2021-12-07 01:46:12,483 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:46:12,484 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 36 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:46:12,484 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 400 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 01:46:12,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-12-07 01:46:12,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 107. [2021-12-07 01:46:12,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 84 states have (on average 1.2738095238095237) internal successors, (107), 91 states have internal predecessors, (107), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2021-12-07 01:46:12,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 133 transitions. [2021-12-07 01:46:12,495 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 133 transitions. Word has length 48 [2021-12-07 01:46:12,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:46:12,496 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 133 transitions. [2021-12-07 01:46:12,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-07 01:46:12,496 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 133 transitions. [2021-12-07 01:46:12,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-12-07 01:46:12,497 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:46:12,497 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:46:12,497 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-07 01:46:12,497 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:46:12,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:46:12,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1241687140, now seen corresponding path program 1 times [2021-12-07 01:46:12,498 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:46:12,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601597977] [2021-12-07 01:46:12,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:46:12,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:46:12,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:12,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 01:46:12,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:12,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-07 01:46:12,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:12,540 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-07 01:46:12,540 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:46:12,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601597977] [2021-12-07 01:46:12,540 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601597977] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:46:12,540 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:46:12,540 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 01:46:12,540 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754574499] [2021-12-07 01:46:12,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:46:12,541 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 01:46:12,541 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:46:12,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 01:46:12,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-07 01:46:12,541 INFO L87 Difference]: Start difference. First operand 107 states and 133 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-07 01:46:12,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:46:12,572 INFO L93 Difference]: Finished difference Result 230 states and 294 transitions. [2021-12-07 01:46:12,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 01:46:12,573 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 50 [2021-12-07 01:46:12,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:46:12,574 INFO L225 Difference]: With dead ends: 230 [2021-12-07 01:46:12,574 INFO L226 Difference]: Without dead ends: 131 [2021-12-07 01:46:12,575 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-07 01:46:12,576 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 33 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:46:12,576 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 344 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 01:46:12,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2021-12-07 01:46:12,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 110. [2021-12-07 01:46:12,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 87 states have (on average 1.264367816091954) internal successors, (110), 94 states have internal predecessors, (110), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2021-12-07 01:46:12,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 136 transitions. [2021-12-07 01:46:12,587 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 136 transitions. Word has length 50 [2021-12-07 01:46:12,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:46:12,587 INFO L470 AbstractCegarLoop]: Abstraction has 110 states and 136 transitions. [2021-12-07 01:46:12,587 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-07 01:46:12,587 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 136 transitions. [2021-12-07 01:46:12,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-12-07 01:46:12,588 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:46:12,589 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:46:12,589 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-07 01:46:12,589 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:46:12,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:46:12,589 INFO L85 PathProgramCache]: Analyzing trace with hash -818985314, now seen corresponding path program 1 times [2021-12-07 01:46:12,589 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:46:12,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382647718] [2021-12-07 01:46:12,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:46:12,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:46:12,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:12,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 01:46:12,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:12,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-07 01:46:12,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:12,629 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-07 01:46:12,629 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:46:12,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382647718] [2021-12-07 01:46:12,630 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382647718] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:46:12,630 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:46:12,630 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 01:46:12,630 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273415339] [2021-12-07 01:46:12,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:46:12,631 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 01:46:12,631 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:46:12,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 01:46:12,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 01:46:12,632 INFO L87 Difference]: Start difference. First operand 110 states and 136 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-07 01:46:12,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:46:12,661 INFO L93 Difference]: Finished difference Result 228 states and 289 transitions. [2021-12-07 01:46:12,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 01:46:12,662 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 50 [2021-12-07 01:46:12,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:46:12,663 INFO L225 Difference]: With dead ends: 228 [2021-12-07 01:46:12,663 INFO L226 Difference]: Without dead ends: 126 [2021-12-07 01:46:12,664 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 01:46:12,665 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 27 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:46:12,665 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 256 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 01:46:12,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2021-12-07 01:46:12,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 112. [2021-12-07 01:46:12,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 89 states have (on average 1.2584269662921348) internal successors, (112), 96 states have internal predecessors, (112), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2021-12-07 01:46:12,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 138 transitions. [2021-12-07 01:46:12,681 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 138 transitions. Word has length 50 [2021-12-07 01:46:12,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:46:12,681 INFO L470 AbstractCegarLoop]: Abstraction has 112 states and 138 transitions. [2021-12-07 01:46:12,682 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-07 01:46:12,682 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 138 transitions. [2021-12-07 01:46:12,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-12-07 01:46:12,684 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:46:12,684 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:46:12,684 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-07 01:46:12,684 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:46:12,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:46:12,685 INFO L85 PathProgramCache]: Analyzing trace with hash 1670543648, now seen corresponding path program 1 times [2021-12-07 01:46:12,685 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:46:12,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008542910] [2021-12-07 01:46:12,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:46:12,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:46:12,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:12,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 01:46:12,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:12,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-07 01:46:12,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:12,744 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-07 01:46:12,745 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:46:12,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008542910] [2021-12-07 01:46:12,745 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008542910] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:46:12,745 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:46:12,745 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 01:46:12,745 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114697820] [2021-12-07 01:46:12,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:46:12,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:46:12,746 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:46:12,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:46:12,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:46:12,747 INFO L87 Difference]: Start difference. First operand 112 states and 138 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-07 01:46:12,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:46:12,766 INFO L93 Difference]: Finished difference Result 261 states and 326 transitions. [2021-12-07 01:46:12,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:46:12,767 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 50 [2021-12-07 01:46:12,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:46:12,768 INFO L225 Difference]: With dead ends: 261 [2021-12-07 01:46:12,769 INFO L226 Difference]: Without dead ends: 157 [2021-12-07 01:46:12,769 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:46:12,771 INFO L933 BasicCegarLoop]: 88 mSDtfsCounter, 35 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:46:12,771 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 157 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 01:46:12,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2021-12-07 01:46:12,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2021-12-07 01:46:12,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 124 states have (on average 1.2338709677419355) internal successors, (153), 132 states have internal predecessors, (153), 18 states have call successors, (18), 15 states have call predecessors, (18), 14 states have return successors, (20), 17 states have call predecessors, (20), 18 states have call successors, (20) [2021-12-07 01:46:12,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 191 transitions. [2021-12-07 01:46:12,789 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 191 transitions. Word has length 50 [2021-12-07 01:46:12,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:46:12,789 INFO L470 AbstractCegarLoop]: Abstraction has 157 states and 191 transitions. [2021-12-07 01:46:12,790 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-07 01:46:12,790 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 191 transitions. [2021-12-07 01:46:12,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-12-07 01:46:12,791 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:46:12,792 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:46:12,792 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-07 01:46:12,792 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:46:12,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:46:12,793 INFO L85 PathProgramCache]: Analyzing trace with hash 1976434234, now seen corresponding path program 1 times [2021-12-07 01:46:12,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:46:12,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183848386] [2021-12-07 01:46:12,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:46:12,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:46:12,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:12,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-07 01:46:12,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:12,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-07 01:46:12,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:12,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-07 01:46:12,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:12,886 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-07 01:46:12,887 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:46:12,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183848386] [2021-12-07 01:46:12,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183848386] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:46:12,887 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:46:12,887 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:46:12,887 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964001645] [2021-12-07 01:46:12,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:46:12,888 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-07 01:46:12,888 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:46:12,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-07 01:46:12,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-07 01:46:12,888 INFO L87 Difference]: Start difference. First operand 157 states and 191 transitions. Second operand has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-07 01:46:13,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:46:13,152 INFO L93 Difference]: Finished difference Result 534 states and 683 transitions. [2021-12-07 01:46:13,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-07 01:46:13,152 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 54 [2021-12-07 01:46:13,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:46:13,155 INFO L225 Difference]: With dead ends: 534 [2021-12-07 01:46:13,156 INFO L226 Difference]: Without dead ends: 430 [2021-12-07 01:46:13,156 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2021-12-07 01:46:13,157 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 316 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-07 01:46:13,157 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [326 Valid, 518 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-07 01:46:13,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2021-12-07 01:46:13,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 400. [2021-12-07 01:46:13,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 316 states have (on average 1.2088607594936709) internal successors, (382), 337 states have internal predecessors, (382), 45 states have call successors, (45), 33 states have call predecessors, (45), 38 states have return successors, (64), 43 states have call predecessors, (64), 45 states have call successors, (64) [2021-12-07 01:46:13,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 491 transitions. [2021-12-07 01:46:13,186 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 491 transitions. Word has length 54 [2021-12-07 01:46:13,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:46:13,186 INFO L470 AbstractCegarLoop]: Abstraction has 400 states and 491 transitions. [2021-12-07 01:46:13,186 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-07 01:46:13,186 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 491 transitions. [2021-12-07 01:46:13,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-12-07 01:46:13,187 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:46:13,188 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:46:13,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-07 01:46:13,188 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:46:13,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:46:13,188 INFO L85 PathProgramCache]: Analyzing trace with hash -128825948, now seen corresponding path program 1 times [2021-12-07 01:46:13,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:46:13,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5410084] [2021-12-07 01:46:13,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:46:13,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:46:13,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:13,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-07 01:46:13,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:13,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-07 01:46:13,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:13,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:46:13,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:13,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-07 01:46:13,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:13,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-07 01:46:13,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:13,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-07 01:46:13,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:13,284 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 8 proven. 16 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-07 01:46:13,284 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:46:13,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5410084] [2021-12-07 01:46:13,284 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5410084] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 01:46:13,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [148550033] [2021-12-07 01:46:13,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:46:13,285 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:46:13,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc40c3b1-54da-49db-8991-4828a1100d55/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:46:13,286 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc40c3b1-54da-49db-8991-4828a1100d55/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:46:13,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc40c3b1-54da-49db-8991-4828a1100d55/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-07 01:46:13,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:13,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-07 01:46:13,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:46:13,542 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:46:13,543 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 01:46:13,688 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-07 01:46:13,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [148550033] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 01:46:13,689 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 01:46:13,689 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6, 6] total 14 [2021-12-07 01:46:13,689 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719646643] [2021-12-07 01:46:13,689 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 01:46:13,689 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-07 01:46:13,689 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:46:13,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-07 01:46:13,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-12-07 01:46:13,690 INFO L87 Difference]: Start difference. First operand 400 states and 491 transitions. Second operand has 14 states, 14 states have (on average 8.428571428571429) internal successors, (118), 10 states have internal predecessors, (118), 6 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (14), 8 states have call predecessors, (14), 6 states have call successors, (14) [2021-12-07 01:46:14,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:46:14,072 INFO L93 Difference]: Finished difference Result 631 states and 801 transitions. [2021-12-07 01:46:14,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-07 01:46:14,073 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 8.428571428571429) internal successors, (118), 10 states have internal predecessors, (118), 6 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (14), 8 states have call predecessors, (14), 6 states have call successors, (14) Word has length 85 [2021-12-07 01:46:14,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:46:14,073 INFO L225 Difference]: With dead ends: 631 [2021-12-07 01:46:14,073 INFO L226 Difference]: Without dead ends: 0 [2021-12-07 01:46:14,075 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 182 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=201, Invalid=611, Unknown=0, NotChecked=0, Total=812 [2021-12-07 01:46:14,076 INFO L933 BasicCegarLoop]: 148 mSDtfsCounter, 240 mSDsluCounter, 878 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 1026 SdHoareTripleChecker+Invalid, 667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-07 01:46:14,076 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [243 Valid, 1026 Invalid, 667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-07 01:46:14,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-07 01:46:14,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-07 01:46:14,077 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) [2021-12-07 01:46:14,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-07 01:46:14,077 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 85 [2021-12-07 01:46:14,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:46:14,077 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-07 01:46:14,077 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.428571428571429) internal successors, (118), 10 states have internal predecessors, (118), 6 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (14), 8 states have call predecessors, (14), 6 states have call successors, (14) [2021-12-07 01:46:14,077 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-07 01:46:14,078 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-07 01:46:14,079 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-07 01:46:14,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc40c3b1-54da-49db-8991-4828a1100d55/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-07 01:46:14,280 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc40c3b1-54da-49db-8991-4828a1100d55/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-07 01:46:14,285 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-07 01:46:15,747 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 337 343) no Hoare annotation was computed. [2021-12-07 01:46:15,747 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 337 343) the Hoare annotation is: true [2021-12-07 01:46:15,747 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 134 145) the Hoare annotation is: true [2021-12-07 01:46:15,747 INFO L858 garLoopResultBuilder]: For program point L138-1(lines 134 145) no Hoare annotation was computed. [2021-12-07 01:46:15,747 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 134 145) no Hoare annotation was computed. [2021-12-07 01:46:15,747 INFO L858 garLoopResultBuilder]: For program point L353(lines 353 361) no Hoare annotation was computed. [2021-12-07 01:46:15,747 INFO L854 garLoopResultBuilder]: At program point L386-2(lines 379 395) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse4 (not (= |old(~waterLevel~0)| 1)) .cse0) (let ((.cse5 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse4 (and (= ~pumpRunning~0 0) .cse5) .cse0 (and (<= 1 ~pumpRunning~0) .cse5) .cse2 .cse3)))) [2021-12-07 01:46:15,747 INFO L858 garLoopResultBuilder]: For program point L349(lines 349 366) no Hoare annotation was computed. [2021-12-07 01:46:15,748 INFO L854 garLoopResultBuilder]: At program point L411(lines 404 414) the Hoare annotation is: (let ((.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse4 (not (= |old(~waterLevel~0)| 1)) .cse0))) [2021-12-07 01:46:15,748 INFO L854 garLoopResultBuilder]: At program point L151(lines 146 154) the Hoare annotation is: (let ((.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse4 (not (= |old(~waterLevel~0)| 1)) .cse0))) [2021-12-07 01:46:15,748 INFO L858 garLoopResultBuilder]: For program point L469(lines 469 473) no Hoare annotation was computed. [2021-12-07 01:46:15,748 INFO L858 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2021-12-07 01:46:15,748 INFO L858 garLoopResultBuilder]: For program point L469-2(lines 469 473) no Hoare annotation was computed. [2021-12-07 01:46:15,748 INFO L858 garLoopResultBuilder]: For program point L114(lines 114 118) no Hoare annotation was computed. [2021-12-07 01:46:15,748 INFO L854 garLoopResultBuilder]: At program point L114-2(lines 110 121) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (<= 1 ~pumpRunning~0)) (.cse4 (<= 1 ~switchedOnBeforeTS~0)) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 (and .cse3 (= ~waterLevel~0 1) .cse4) .cse5) (or .cse0 .cse1 .cse2 (and .cse3 (<= ~waterLevel~0 2) .cse4) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse6 (not (= |old(~waterLevel~0)| 1)) .cse0) (or .cse6 .cse0 .cse2 .cse5))) [2021-12-07 01:46:15,748 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 310 336) no Hoare annotation was computed. [2021-12-07 01:46:15,749 INFO L854 garLoopResultBuilder]: At program point L69(lines 62 71) the Hoare annotation is: (let ((.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (not (= 1 ~systemActive~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (and (<= 1 ~pumpRunning~0) .cse2 (<= 1 ~switchedOnBeforeTS~0))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 (and .cse1 .cse2) .cse3 .cse4 .cse5) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse3 (and .cse1 (= ~waterLevel~0 1))) (or .cse3 .cse6 .cse7 .cse4 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse3 .cse6 .cse7 .cse4 .cse5)))) [2021-12-07 01:46:15,749 INFO L858 garLoopResultBuilder]: For program point L317(lines 317 323) no Hoare annotation was computed. [2021-12-07 01:46:15,749 INFO L858 garLoopResultBuilder]: For program point L317-2(lines 313 335) no Hoare annotation was computed. [2021-12-07 01:46:15,749 INFO L854 garLoopResultBuilder]: At program point L375(lines 370 377) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse4 .cse0 (and (<= 1 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse2 .cse3) (or .cse4 (not (= |old(~waterLevel~0)| 1)) .cse0))) [2021-12-07 01:46:15,749 INFO L854 garLoopResultBuilder]: At program point L82(line 82) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (<= 1 ~pumpRunning~0)) (.cse5 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (= ~waterLevel~0 1)) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5) .cse6) (or .cse0 .cse1 .cse2 (and .cse3 (<= ~waterLevel~0 2) .cse5) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse7 (not (= |old(~waterLevel~0)| 1)) .cse0 (and (= ~pumpRunning~0 0) .cse4)) (or .cse7 .cse0 .cse2 .cse6))) [2021-12-07 01:46:15,749 INFO L858 garLoopResultBuilder]: For program point L82-1(line 82) no Hoare annotation was computed. [2021-12-07 01:46:15,750 INFO L854 garLoopResultBuilder]: At program point L359(line 359) the Hoare annotation is: (let ((.cse7 (= 1 ~systemActive~0))) (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not .cse7)) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= |timeShift_processEnvironment_~tmp~2#1| 0)) (.cse3 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse4 (not (= |old(~waterLevel~0)| 1)) .cse0 (and .cse5 .cse6 .cse7 (= ~waterLevel~0 1))) (or .cse4 .cse0 .cse2 (and .cse5 .cse6 .cse7 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse3)))) [2021-12-07 01:46:15,750 INFO L854 garLoopResultBuilder]: At program point L475(lines 460 478) the Hoare annotation is: (let ((.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse5 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 (and .cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse4 (not (= |old(~waterLevel~0)| 1)) .cse0 (and .cse5 (= |timeShift_isHighWaterLevel_#res#1| 0) (= |timeShift_isHighWaterLevel_~tmp___0~1#1| 0) (= ~waterLevel~0 1))))) [2021-12-07 01:46:15,750 INFO L858 garLoopResultBuilder]: For program point L950(line 950) no Hoare annotation was computed. [2021-12-07 01:46:15,750 INFO L854 garLoopResultBuilder]: At program point L364(line 364) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (<= 1 ~pumpRunning~0)) (.cse4 (<= 1 ~switchedOnBeforeTS~0)) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 (and .cse3 (= ~waterLevel~0 1) .cse4) .cse5) (or .cse0 .cse1 .cse2 (and .cse3 (<= ~waterLevel~0 2) .cse4) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse6 (not (= |old(~waterLevel~0)| 1)) .cse0) (or .cse6 .cse0 .cse2 .cse5))) [2021-12-07 01:46:15,750 INFO L854 garLoopResultBuilder]: At program point L364-1(lines 345 369) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (= ~waterLevel~0 1)) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (= ~pumpRunning~0 0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (<= 1 ~pumpRunning~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5) .cse6) (or .cse0 .cse1 .cse2 (and .cse3 (<= ~waterLevel~0 2) .cse5) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse7 (not (= |old(~waterLevel~0)| 1)) .cse0 (and .cse8 .cse4)) (let ((.cse9 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse7 (and .cse8 .cse9) .cse0 (and .cse3 .cse9) .cse2 .cse6)))) [2021-12-07 01:46:15,750 INFO L854 garLoopResultBuilder]: At program point L67(line 67) the Hoare annotation is: (let ((.cse5 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse5 .cse8)) (.cse4 (= ~pumpRunning~0 0)) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or (and .cse4 .cse5 (= ~waterLevel~0 1)) .cse6 (not (= |old(~waterLevel~0)| 1)) .cse0) (or .cse0 .cse1 .cse2 .cse3 .cse7) (or (and .cse4 .cse5 .cse8) .cse6 .cse0 .cse2 .cse7)))) [2021-12-07 01:46:15,750 INFO L858 garLoopResultBuilder]: For program point L67-1(line 67) no Hoare annotation was computed. [2021-12-07 01:46:15,750 INFO L858 garLoopResultBuilder]: For program point L191(lines 191 197) no Hoare annotation was computed. [2021-12-07 01:46:15,750 INFO L854 garLoopResultBuilder]: At program point L183(lines 178 186) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (= ~waterLevel~0 1)) (.cse8 (= ~pumpRunning~0 0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5) .cse6) (or .cse0 .cse1 .cse2 (and .cse3 (<= ~waterLevel~0 2) .cse5) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse7 (not (= |old(~waterLevel~0)| 1)) .cse0 (and .cse8 .cse4)) (let ((.cse9 (<= |timeShift_getWaterLevel_#res#1| 2)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (<= 2 |timeShift_getWaterLevel_#res#1|))) (or (and .cse8 .cse9 .cse10 .cse11) (and .cse3 .cse9 .cse10 .cse11) .cse7 .cse0 .cse2 .cse6)))) [2021-12-07 01:46:15,750 INFO L854 garLoopResultBuilder]: At program point L951(lines 946 953) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse4 (not (= |old(~waterLevel~0)| 1)) .cse0) (or .cse4 .cse0 .cse2 .cse3))) [2021-12-07 01:46:15,751 INFO L858 garLoopResultBuilder]: For program point L84(lines 84 94) no Hoare annotation was computed. [2021-12-07 01:46:15,751 INFO L858 garLoopResultBuilder]: For program point L80(lines 80 97) no Hoare annotation was computed. [2021-12-07 01:46:15,751 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 310 336) the Hoare annotation is: (let ((.cse5 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse5 .cse8)) (.cse4 (= ~pumpRunning~0 0)) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or (and .cse4 .cse5 (= ~waterLevel~0 1)) .cse6 (not (= |old(~waterLevel~0)| 1)) .cse0) (or .cse0 .cse1 .cse2 .cse3 .cse7) (or (and .cse4 .cse5 .cse8) .cse6 .cse0 .cse2 .cse7)))) [2021-12-07 01:46:15,751 INFO L854 garLoopResultBuilder]: At program point L80-1(lines 72 100) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (= ~waterLevel~0 1)) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (<= 1 ~pumpRunning~0)) (.cse8 (= ~pumpRunning~0 0)) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5) .cse6) (or .cse0 .cse1 .cse2 (and .cse3 (<= ~waterLevel~0 2) .cse5) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse7 (not (= |old(~waterLevel~0)| 1)) .cse0 (and .cse8 .cse4)) (let ((.cse9 (< 1 |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1|)) (.cse10 (<= |timeShift_getWaterLevel_#res#1| 2)) (.cse11 (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| 2)) (.cse12 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse13 (<= 2 |timeShift_getWaterLevel_#res#1|))) (or .cse7 .cse0 (and .cse3 .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse9 .cse8 .cse10 .cse11 .cse12 .cse13) .cse2 .cse6)))) [2021-12-07 01:46:15,751 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 310 336) no Hoare annotation was computed. [2021-12-07 01:46:15,751 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 950) no Hoare annotation was computed. [2021-12-07 01:46:15,751 INFO L854 garLoopResultBuilder]: At program point L196(lines 187 200) the Hoare annotation is: (let ((.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse5 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 (and .cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse4 (not (= |old(~waterLevel~0)| 1)) .cse0 (and (= |timeShift_isHighWaterSensorDry_#res#1| 1) .cse5 (= ~waterLevel~0 1))))) [2021-12-07 01:46:15,751 INFO L858 garLoopResultBuilder]: For program point L324-1(lines 324 330) no Hoare annotation was computed. [2021-12-07 01:46:15,751 INFO L858 garLoopResultBuilder]: For program point L386(lines 386 392) no Hoare annotation was computed. [2021-12-07 01:46:15,751 INFO L858 garLoopResultBuilder]: For program point L225(line 225) no Hoare annotation was computed. [2021-12-07 01:46:15,751 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 204 233) no Hoare annotation was computed. [2021-12-07 01:46:15,751 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 204 233) the Hoare annotation is: true [2021-12-07 01:46:15,751 INFO L858 garLoopResultBuilder]: For program point L218(lines 218 222) no Hoare annotation was computed. [2021-12-07 01:46:15,752 INFO L861 garLoopResultBuilder]: At program point L218-1(lines 218 222) the Hoare annotation is: true [2021-12-07 01:46:15,752 INFO L858 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-12-07 01:46:15,752 INFO L861 garLoopResultBuilder]: At program point L214-2(lines 214 228) the Hoare annotation is: true [2021-12-07 01:46:15,752 INFO L861 garLoopResultBuilder]: At program point L210(line 210) the Hoare annotation is: true [2021-12-07 01:46:15,752 INFO L858 garLoopResultBuilder]: For program point L210-1(line 210) no Hoare annotation was computed. [2021-12-07 01:46:15,752 INFO L861 garLoopResultBuilder]: At program point L229(lines 204 233) the Hoare annotation is: true [2021-12-07 01:46:15,752 INFO L858 garLoopResultBuilder]: For program point L291-2(lines 291 298) no Hoare annotation was computed. [2021-12-07 01:46:15,752 INFO L858 garLoopResultBuilder]: For program point L510(lines 510 516) no Hoare annotation was computed. [2021-12-07 01:46:15,752 INFO L858 garLoopResultBuilder]: For program point L510-1(lines 510 516) no Hoare annotation was computed. [2021-12-07 01:46:15,752 INFO L861 garLoopResultBuilder]: At program point L539(lines 480 543) the Hoare annotation is: true [2021-12-07 01:46:15,752 INFO L854 garLoopResultBuilder]: At program point L502(line 502) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 1)) (and .cse0 .cse3 .cse1 .cse2 .cse4) (and .cse5 .cse3 .cse1 .cse2 .cse4) (and .cse5 .cse1 .cse2 .cse4 (<= 1 ~switchedOnBeforeTS~0)))) [2021-12-07 01:46:15,752 INFO L861 garLoopResultBuilder]: At program point L275(lines 267 277) the Hoare annotation is: true [2021-12-07 01:46:15,752 INFO L861 garLoopResultBuilder]: At program point L300(lines 281 303) the Hoare annotation is: true [2021-12-07 01:46:15,752 INFO L854 garLoopResultBuilder]: At program point L263(lines 259 265) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-07 01:46:15,752 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-07 01:46:15,752 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-07 01:46:15,753 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-07 01:46:15,753 INFO L854 garLoopResultBuilder]: At program point L536(lines 489 537) the Hoare annotation is: false [2021-12-07 01:46:15,753 INFO L854 garLoopResultBuilder]: At program point L941(lines 936 944) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-07 01:46:15,753 INFO L858 garLoopResultBuilder]: For program point L491(lines 490 535) no Hoare annotation was computed. [2021-12-07 01:46:15,753 INFO L858 garLoopResultBuilder]: For program point L520(lines 520 531) no Hoare annotation was computed. [2021-12-07 01:46:15,753 INFO L854 garLoopResultBuilder]: At program point L933(lines 929 935) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-07 01:46:15,753 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-07 01:46:15,753 INFO L854 garLoopResultBuilder]: At program point L512(line 512) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 1)) (and .cse0 .cse3 .cse1 .cse2 .cse4) (and .cse5 .cse3 .cse1 .cse2 .cse4) (and .cse5 .cse1 .cse2 .cse4 (<= 1 ~switchedOnBeforeTS~0)))) [2021-12-07 01:46:15,753 INFO L854 garLoopResultBuilder]: At program point L533(lines 490 535) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 1)) (and .cse0 .cse3 .cse1 .cse2 .cse4) (and .cse5 .cse3 .cse1 .cse2 .cse4) (and .cse5 .cse1 .cse2 .cse4 (<= 1 ~switchedOnBeforeTS~0)))) [2021-12-07 01:46:15,753 INFO L858 garLoopResultBuilder]: For program point L500(lines 500 506) no Hoare annotation was computed. [2021-12-07 01:46:15,753 INFO L858 garLoopResultBuilder]: For program point L500-1(lines 500 506) no Hoare annotation was computed. [2021-12-07 01:46:15,753 INFO L858 garLoopResultBuilder]: For program point L492(lines 492 496) no Hoare annotation was computed. [2021-12-07 01:46:15,754 INFO L854 garLoopResultBuilder]: At program point L926(lines 922 928) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-07 01:46:15,754 INFO L854 garLoopResultBuilder]: At program point L59(lines 54 61) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-07 01:46:15,754 INFO L858 garLoopResultBuilder]: For program point L526(lines 526 530) no Hoare annotation was computed. [2021-12-07 01:46:15,754 INFO L854 garLoopResultBuilder]: At program point L526-2(lines 520 531) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 1)) (and .cse0 .cse3 .cse1 .cse2 .cse4) (and .cse5 .cse3 .cse1 .cse2 .cse4) (and .cse5 .cse1 .cse2 .cse4 (<= 1 ~switchedOnBeforeTS~0)))) [2021-12-07 01:46:15,754 INFO L858 garLoopResultBuilder]: For program point L291(lines 291 298) no Hoare annotation was computed. [2021-12-07 01:46:15,754 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 122 133) no Hoare annotation was computed. [2021-12-07 01:46:15,754 INFO L858 garLoopResultBuilder]: For program point L126-1(lines 122 133) no Hoare annotation was computed. [2021-12-07 01:46:15,754 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 122 133) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (= ~waterLevel~0 1)) (or .cse1 .cse5 .cse2 .cse3 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse1 .cse5 .cse2 .cse3 .cse4))) [2021-12-07 01:46:15,754 INFO L858 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 415 423) no Hoare annotation was computed. [2021-12-07 01:46:15,754 INFO L861 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 415 423) the Hoare annotation is: true [2021-12-07 01:46:15,754 INFO L858 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 415 423) no Hoare annotation was computed. [2021-12-07 01:46:15,757 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:46:15,758 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-07 01:46:15,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 01:46:15 BoogieIcfgContainer [2021-12-07 01:46:15,787 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-07 01:46:15,788 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-07 01:46:15,788 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-07 01:46:15,788 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-07 01:46:15,788 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:46:11" (3/4) ... [2021-12-07 01:46:15,790 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-07 01:46:15,794 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-07 01:46:15,794 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-07 01:46:15,795 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-07 01:46:15,795 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-07 01:46:15,795 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-07 01:46:15,795 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2021-12-07 01:46:15,800 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 51 nodes and edges [2021-12-07 01:46:15,801 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-07 01:46:15,801 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-07 01:46:15,801 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-07 01:46:15,802 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-07 01:46:15,802 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-07 01:46:15,802 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-07 01:46:15,819 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || (pumpRunning == 0 && waterLevel == 1))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((1 <= pumpRunning && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((1 <= pumpRunning && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) [2021-12-07 01:46:15,820 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(2 <= \old(waterLevel))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) [2021-12-07 01:46:15,820 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(2 <= \old(waterLevel))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || (pumpRunning == 0 && waterLevel == 1))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((((1 <= pumpRunning && 1 < tmp) && \result <= 2) && tmp <= 2) && \old(waterLevel) == waterLevel) && 2 <= \result)) || (((((1 < tmp && pumpRunning == 0) && \result <= 2) && tmp <= 2) && \old(waterLevel) == waterLevel) && 2 <= \result)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) [2021-12-07 01:46:15,820 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(2 <= \old(waterLevel))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || (pumpRunning == 0 && waterLevel == 1))) && (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) [2021-12-07 01:46:15,820 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) [2021-12-07 01:46:15,820 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(2 <= \old(waterLevel))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || (pumpRunning == 0 && waterLevel == 1))) && ((((((((pumpRunning == 0 && \result <= 2) && \old(waterLevel) == waterLevel) && 2 <= \result) || (((1 <= pumpRunning && \result <= 2) && \old(waterLevel) == waterLevel) && 2 <= \result)) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) [2021-12-07 01:46:15,821 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || ((\result == 1 && pumpRunning == 0) && waterLevel == 1)) [2021-12-07 01:46:15,821 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || (((pumpRunning == 0 && \result == 0) && tmp___0 == 0) && waterLevel == 1)) [2021-12-07 01:46:15,821 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) [2021-12-07 01:46:15,821 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) [2021-12-07 01:46:15,821 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive))) && (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) [2021-12-07 01:46:15,821 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) [2021-12-07 01:46:15,840 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc40c3b1-54da-49db-8991-4828a1100d55/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-07 01:46:15,840 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-07 01:46:15,841 INFO L158 Benchmark]: Toolchain (without parser) took 4865.56ms. Allocated memory was 134.2MB in the beginning and 163.6MB in the end (delta: 29.4MB). Free memory was 95.0MB in the beginning and 68.5MB in the end (delta: 26.5MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. [2021-12-07 01:46:15,841 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 134.2MB. Free memory is still 112.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 01:46:15,841 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.76ms. Allocated memory is still 134.2MB. Free memory was 94.9MB in the beginning and 100.9MB in the end (delta: -6.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-07 01:46:15,842 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.87ms. Allocated memory is still 134.2MB. Free memory was 100.9MB in the beginning and 98.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-07 01:46:15,842 INFO L158 Benchmark]: Boogie Preprocessor took 21.44ms. Allocated memory is still 134.2MB. Free memory was 98.2MB in the beginning and 96.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-07 01:46:15,842 INFO L158 Benchmark]: RCFGBuilder took 339.43ms. Allocated memory is still 134.2MB. Free memory was 96.7MB in the beginning and 80.8MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-07 01:46:15,842 INFO L158 Benchmark]: TraceAbstraction took 4108.74ms. Allocated memory was 134.2MB in the beginning and 163.6MB in the end (delta: 29.4MB). Free memory was 80.8MB in the beginning and 74.8MB in the end (delta: 6.0MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2021-12-07 01:46:15,843 INFO L158 Benchmark]: Witness Printer took 52.75ms. Allocated memory is still 163.6MB. Free memory was 74.8MB in the beginning and 68.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-07 01:46:15,844 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 134.2MB. Free memory is still 112.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.76ms. Allocated memory is still 134.2MB. Free memory was 94.9MB in the beginning and 100.9MB in the end (delta: -6.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.87ms. Allocated memory is still 134.2MB. Free memory was 100.9MB in the beginning and 98.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.44ms. Allocated memory is still 134.2MB. Free memory was 98.2MB in the beginning and 96.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 339.43ms. Allocated memory is still 134.2MB. Free memory was 96.7MB in the beginning and 80.8MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 4108.74ms. Allocated memory was 134.2MB in the beginning and 163.6MB in the end (delta: 29.4MB). Free memory was 80.8MB in the beginning and 74.8MB in the end (delta: 6.0MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Witness Printer took 52.75ms. Allocated memory is still 163.6MB. Free memory was 74.8MB in the beginning and 68.5MB 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: 950]: 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 7 procedures, 84 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 843 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 824 mSDsluCounter, 3196 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2181 mSDsCounter, 173 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 921 IncrementalHoareTripleChecker+Invalid, 1094 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 173 mSolverCounterUnsat, 1015 mSDtfsCounter, 921 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 309 GetRequests, 245 SyntacticMatches, 1 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=400occurred in iteration=9, InterpolantAutomatonStates: 66, 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, 10 MinimizatonAttempts, 73 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 39 LocationsWithAnnotation, 724 PreInvPairs, 830 NumberOfFragments, 1930 HoareAnnotationTreeSize, 724 FomulaSimplifications, 347 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 39 FomulaSimplificationsInter, 3330 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 571 NumberOfCodeBlocks, 571 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 644 ConstructedInterpolants, 0 QuantifiedInterpolants, 1342 SizeOfPredicates, 3 NumberOfNonLiveVariables, 448 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 85/114 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: 480]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || (((pumpRunning == 0 && \result == 0) && tmp___0 == 0) && waterLevel == 1)) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || (pumpRunning == 0 && waterLevel == 1))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((1 <= pumpRunning && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((1 <= pumpRunning && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(2 <= \old(waterLevel))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 345]: Loop Invariant Derived loop invariant: ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(2 <= \old(waterLevel))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || (pumpRunning == 0 && waterLevel == 1))) && (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0) && waterLevel == 1) || ((((pumpRunning == 0 && 2 <= waterLevel) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2)) || ((((1 <= pumpRunning && 2 <= waterLevel) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2)) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= switchedOnBeforeTS) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(2 <= \old(waterLevel))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || (pumpRunning == 0 && waterLevel == 1))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((((1 <= pumpRunning && 1 < tmp) && \result <= 2) && tmp <= 2) && \old(waterLevel) == waterLevel) && 2 <= \result)) || (((((1 < tmp && pumpRunning == 0) && \result <= 2) && tmp <= 2) && \old(waterLevel) == waterLevel) && 2 <= \result)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(2 <= \old(waterLevel))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || (pumpRunning == 0 && waterLevel == 1))) && ((((((((pumpRunning == 0 && \result <= 2) && \old(waterLevel) == waterLevel) && 2 <= \result) || (((1 <= pumpRunning && \result <= 2) && \old(waterLevel) == waterLevel) && 2 <= \result)) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || ((\result == 1 && pumpRunning == 0) && waterLevel == 1)) - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive))) && (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 370]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) RESULT: Ultimate proved your program to be correct! [2021-12-07 01:46:15,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc40c3b1-54da-49db-8991-4828a1100d55/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